Entries |
Document | Title | Date |
20080208522 | Angle measuring device - The invention relates to a angle measuring device measuring the tightening angle of an operation tool for tightening screwed connections. The angle measuring device is releasabley mounted to the operating tool. | 08-28-2008 |
20080228437 | ESTIMATION OF GLOBAL POSITION OF A SENSOR NODE - Methods and apparatuses for locating a sensor node are disclosed. A representative apparatus, among others, includes a processing unit that receives sensor node data and object trajectory information data for an object. The sensor node data is related to the object's trajectory, and a data point in the object trajectory information data comprises a time stamp and the coordinates of a position. The position corresponds the location of the object at the given time. The processing unit is adapted to correlate at least a portion of the sensor node data with at least a portion of the object trajectory information data to determine an absolute position of the sensor node. | 09-18-2008 |
20080243426 | ATTITUDE DETECTION SYSTEM AND METHOD - Systems and methods for real-time determination of an angle and range to a surface are provided. In one embodiment, such a system may include a transmitter for producing an output beam, a scanner for redirecting the output beam into a scan pattern towards a surface, a receiver for receiving a beam scattered from the surface, and a processor adapted to receive continuous tangential angle data from the scanner, and range data from the receiver, in order to determine a real-time angle and range to the surface. | 10-02-2008 |
20080243427 | Displacement measuring apparatus and load measuring apparatus of rotating member - An encoder | 10-02-2008 |
20080275665 | ABSOLUTE ANGLE DETECTING DEVICE - Disclosed is an absolute angle detecting device that requires an angle corresponding to one step of a cyclic gray code in order to perform initialization and to determine the errors of a detecting element. The disclosure provides an absolute angle detecting device for detecting the absolute angle of a rotating body. The absolute angle detecting device includes: a storage unit that stores an N-bit cyclic gray code, which is a combination of binary digits ‘1’ and ‘0’; N detecting elements that are arranged along a code pattern; and a data determining unit that compares an N-bit code string output from the N detecting elements with the N-bit cyclic gray code. In the cyclic gray code, when N is an even number, the number of is included in the code string in each step is N/2 or (N+2)/2. When N is an odd number, the number of is included in the code string in each step is any one of (N+1)/2, (N−1)/2, (N+1)/2, and (N+3)/2. | 11-06-2008 |
20080300822 | ABSOLUTE ANGLE CALCULATION APPARATUS - The absolute angle calculation apparatus includes a calculation circuit calculating an absolute angular position based on a spatially modulated component in a photoelectrically-converted signal string. The calculation circuit includes a photoelectrically-converted signal string storage storing previous and current photoelectrically-converted signal strings obtained, for interpolating the absolute angular position, within a set time shorter than an absolute angle calculation time required to calculate the absolute angular position; a correlation detection circuit detecting a correlation between the previous and current photoelectrically-converted signal strings in the photoelectrically-converted signal string storage and detecting a shift amount therebetween; and an interpolation calculation circuit interpolating an inter-pattern absolute angular position equivalent value based on the shift amount obtained by the current measurement. The calculation circuit calculates an interpolated angle based on the shift amount and the absolute angular position equivalent value, adds the calculated interpolated angle obtained at the current measurement to the absolute angular position obtained at the previous measurement to calculate a current absolute angular position. | 12-04-2008 |
20080312865 | Method of Detecting a Reference Zone Arranged on the Periphery of a Toothed Disk Fastened to a Rotary Component, with a View to Determining the Angular Position of Said Rotary Component - The invention relates to a method of detecting a reference zone formed on the periphery of a toothed disk integral with a rotary part, for the purpose of determining the angular position of said rotary part. According to this detection method, when a reference zone is expected and at the time of the detection of a tooth (n) at a time t | 12-18-2008 |
20090012742 | ENERGY BASED POSITION AND SPEED SELF-SENSING METHOD AND APPARATUS FOR SYNCHRONOUS MACHINE - An envelope of a voltage may be extracted using an operator to calculate a position and speed of a rotor. A position and speed sensing method may include supplying voltage to a rotor, extracting an envelope of the voltage using an operator, and calculating a rotor angle of the rotor based on the extracted envelope. A position and speed sensing apparatus may include a rotor, and a controller to extract an envelope of a voltage supplied to the rotor using an operator and to calculate a rotor angle of the rotor based on the extracted envelope. | 01-08-2009 |
20090018795 | MUSCLE TRAINING APPRATUS AND METHOD - The invention is directed to a muscle trainer and methods for exercising a weaker of two sets of opposing muscles of a person moving an implement, such as a golf club, wherein, if the two sets of opposing muscles were of appropriate strength, the two sets of opposing muscles would desirably apply forces in opposite directions to the implement to assist in maintaining an ideal movement of the implement. In various embodiments, the invention provides methods for training the opposing sets of muscles to consistently move the implement in an ideal way to accomplish a useful or recreational function. The methods include: (a) moving the muscle trainer through an actual motion; (b) determining a difference between the actual motion and an ideal motion, where the difference indicates a dominating force direction in which the muscle trainer is being urged by the stronger or dominating set of muscles; (c) applying an external force to the muscle trainer to urge the muscle trainer in the dominating force direction; and (d) using the weaker or non-dominating set of muscles to urge the muscle trainer against the external force to thereby exercise the non-dominating set of muscles. | 01-15-2009 |
20090099811 | DEVICE AND METHOD FOR ESTIMATING A SIDE-SLIP ANGLE OF AN AIRCRAFT - A device for estimating a side-slip angle (β | 04-16-2009 |
20090105986 | APPARATUS AND METHOD FOR MAPPING AN AREA OF INTEREST - An apparatus and method are provided for mapping an area of interest using polar coordinates or Cartesian coordinates. The apparatus includes a range finder, an azimuth angle measuring device to provide a heading and an inclinometer to provide an angle of inclination of the range finder as it relates to primary reference points and points of interest. A computer is provided to receive signals from the range finder, inclinometer and azimuth angle measurer to record location data and calculate relative locations between one or more points of interest and one or more primary reference points. The method includes mapping of an area of interest to locate points of interest relative to one or more primary reference points and to store the information in the desired manner. The device may optionally also include an illuminator which can be utilized to paint the area of interest to indicate both points of interest and primary points of reference during and/or after data acquisition. | 04-23-2009 |
20090119061 | 3D MULTI-DEGREE OF FREEDOM DETECTING DEVICE AND METHOD FOR USING THE SAME - A 3D multi-degree of freedom detecting device includes a first electromagnetic radiation source, a second electromagnetic radiation source, a first sensing module, and at least one second sensing module. The first electromagnetic radiation source is used to generate first electromagnetic radiations, and the first electromagnetic radiation source is a point source. The second electromagnetic radiation source is used to generate second electromagnetic radiations, and the second electromagnetic radiation source is a point source. The first sensing module has a plurality of first sensing elements for receiving different radiation energies generated by the first electromagnetic radiations and the second electromagnetic radiations from different spatial angles. The at least one second sensing module has a plurality of second sensing elements for receiving different radiation energies generated by the first electromagnetic radiations and the second electromagnetic radiations from different spatial angles. | 05-07-2009 |
20090187371 | Storage medium storing information processing program and information processing apparatus - A game apparatus stores, when an output value is equal to a boundary value of a predetermined range, boundary angle data representing a boundary angle corresponding to a tilt angle of an input device. The game apparatus obtains, from an input device, data including a value changed in accordance with a tilt angle of the input device so as to calculate the tilt angle of the input device. Thereafter, when a tilt angle calculated in a tilt calculation step is greater than the boundary angle represented by the boundary angle data, the boundary angle data is updated such that the tilt angle calculated in the tilt calculation step becomes a new boundary angle. The output value is calculated based on a ratio of the tilt angle calculated in the tilt calculation step to the boundary angle represented by the boundary angle data. | 07-23-2009 |
20090187372 | SIN-COS SENSOR ARRANGEMENT, INTEGRATED CIRCUIT AND METHOD THEREFOR - A Sin-Cos sensor arrangement comprises a Sin-Cos sensor operably coupled to signal processing logic via a hardware interface. The hardware interface is arranged to provide the signal processing logic with analogue sine and cosine waveforms indicative of fine position data and binary counterparts of the analogue sine and cosine waveforms (Phase_A and Phase_B indicative of rough position data. The signal processing logic is arranged to determine a position and speed of the Sin-Cos sensor by compensating for inaccuracies between analogue sine and cosine waveforms and their binary counterparts. In this manner, a fully software-based solution provides a fast, efficient and high accuracy position and speed estimation based on the processing of the analogue sine and cosine signals and the digital representation thereof of the Sin-Cos sensor. | 07-23-2009 |
20090198471 | Method and device of autonomous determination of angle of drift of the moving object - The present technical solution provided is intended for the accurate determination of angle of drift only by the means located inside the moving object, without applying any radiations and gyroscopes as well as without using any sources of information and orientation on the Earth and on any other heavenly bodies. The determination of such kind is provided for the first time and is considered to be of paramount importance for the navigational and meteorological purposes. The present solution is based on the determination of the horizontal projections of the linear acceleration vector by means of the sensors of said acceleration, they being developed by the authors earlier. | 08-06-2009 |
20090216485 | DOOR MONITORING SYSTEM - A system for monitoring an angle of a door is provided comprising: an angle measuring device for measuring an angle of a door and transmitting a signal representing the measured angle; a computer for receiving from the angle measuring device the signal representing the measured angle; and computer software for determining and at least one of displaying and recording the measured angle based on the signal received by the computer. | 08-27-2009 |
20090254301 | Systems and Methods for Detecting Angular Position - Methods and systems for detecting an angular position of a rotating device are disclosed, including sensing and counting high-resolution transitions of a high-resolution digital sensor in response to the rotating device rotating; sensing low-resolution transitions of a low-resolution digital sensor in response to the rotating device rotating, the low-resolutions transitions being spaced apart at uneven angles; determining an angular position of the rotating device in response to determining a number of high-resolution transitions between pairs of low-resolution transitions. | 10-08-2009 |
20090276180 | Measuring Device with Two-channel Sampling - The present invention relates to a shaft encoder device, comprising magnetic sensor means designed to detect the magnetic field of a magnetic field generating means stationary with respect to the shaft, a light source, optical sensor means designed to detect light emitted from the light source and reflected or transmitted by an encoder disk stationary with respect to the shaft, and signal processing means designed to receive first data from the magnetic sensor means and second data from the optical sensor means, and to determine an angle of rotation of the shaft from the received first data and/or to determine the angle of rotation of the shaft from the received second data. | 11-05-2009 |
20090292501 | DEVICE FOR DETECTING THE ANGULAR POSITION OF A ROTOR OF A POLYPHASE ROTARY ELECTRICAL MACHINE AND ROTARY ELECTRICAL MACHINE CONTAINING SUCH A DEVICE - A device for detecting the angular position of a rotor of a polyphase rotary electrical machine contains a stator and a plurality of magnetic field sensors ( | 11-26-2009 |
20090299686 | POINTING DEVICE AND METHOD FOR DETERMINING ROTATIONAL ANGLE OF POINTING DEVICE - The invention discloses a pointing device comprising a first sensing unit, a second sensing unit and a processing unit. The first sensing unit is utilized for sensing a first rotational angle of the pointing device relative to an absolute coordinate system. The second sensing unit is utilized for sensing a second rotational angle of the pointing device relative to the absolute coordinate system. The processing unit is utilized for receiving the first and second rotational angles, calculating an absolute difference between the first and second rotational angles and judging whether the absolute difference is smaller than a predetermined threshold. If it is YES, the processing unit outputs the first rotational angle; otherwise, the processing unit calibrates the first rotational angle by the second rotational angle and then outputs the calibrated rotational angle. | 12-03-2009 |
20090312982 | ALIGNMENT CORRECTION SYSTEM AND METHOD OF USE - A system and method is provided for correcting alignment of a product on a tool and, more particularly, to a system and method for correcting alignment of a wafer on a chuck of a tool. The system is a tool comprising at least one contact near a circumference of the tool and a grounded contact proximate to the at least one contact. The method comprises measuring current on each branch of a circuit and calculating an angle of a wafer based on a difference in the current on each branch of the circuit. | 12-17-2009 |
20090326859 | PREDICTIVE ANGULAR SENSOR READOUT - A sensor readout includes a selector circuit, a predictor circuit, and a select controller. The selector circuit receives a plurality of actual sensor inputs. Each actual sensor input is provided to the selector circuit along a corresponding channel. The selector circuit also passes a selected sensor input. The predictor circuit receives the selected sensor input into a signal history and generates predicted sensor inputs. The select controller receives the predicted sensor inputs, determines which of the predicted sensor inputs is most changed from the actual sensor inputs as the most changed input, and directs the selector circuit to pass a next signal on a the channel having the most changed input. | 12-31-2009 |
20100004895 | ADAPTIVE RESOLVER COMPENSATION CONTROLLER - An adaptive technique for identification and compensation of errors in resolver output signals which can increase the accuracy of position estimates of the resolver angle is disclosed. | 01-07-2010 |
20100036640 | DEVICE FOR SENSING A RADIAL POSITION SPREAD OVER MORE THAN 90 DEGREES - The invention produces contactless radial position sensors having an equivalent angular aperture greater than 90°, and substantially eliminates the spurious microvibrations due to the imperfections of the current sensors. For this, the invention uses at least four independent sensors and an electronic device capable of virtually placing in series said sensors in groups of two or three in order to spread the equivalent angular aperture of said groups of sensors. | 02-11-2010 |
20100088062 | ROTATION ANGLE DETECTION DEVICE - A rotation angle detecting device comprises a first rotation detecting unit ( | 04-08-2010 |
20100088063 | Method and Apparatus for Precision Azimuth Measurement - Method and apparatus for precise measurement of azimuth. An angular rate sensor is rotated so its sensitive axis periodically aligns with the horizontal component of the earth's spin rate (north). A preferably sinusoidal signal is analyzed with respect to the relative angle of the sensor and a desired direction in order to determine the azimuth of that direction. | 04-08-2010 |
20100106454 | METHOD AND SYSTEM FOR ROTATION TRACKING OF A TURBOMACHINE COMPONENT - Disclosed is a method for tracking rotation of a turbomachine component including locating at least one tilt sensor at the turbomachine component and rotating the turbomachine component about a central axis to observe a portion of interest on the turbomachine component. The at least one tilt sensor detects an angle of rotation of the turbomachine component and transmits the angle of rotation from the at least one tilt sensor to a device which converts the angle of rotation to an indicia of the portion of interest. Further disclosed is a rotor including at least one tilt sensor and a system for tracking rotation of a turbomachine component including at least one tilt sensor and a device. | 04-29-2010 |
20100114523 | STEERING WHEEL POSITION SENSOR - A position sensor assembly for determining the absolute angular position of a motor vehicle steering wheel includes a housing, an input gear driven by a rotary input, and a pickup gear coupled to the input gear. A cam having a spiroidal profile is generated about the rotational axis of the input gear and is rotatable with the input gear. A cam follower is coupled with the housing and engages the spiroidal profile, wherein rotation of the spiroidal profile as the input gear turns causes the cam follower to move along the spiroidal profile. A first sensor is associated with the pickup gear such that rotation of the pickup gear provides an output signal from the first sensor. A second sensor is associated with the cam follower such that motion of the cam follower produces an output signal from the second sensor. A processor receives output signals from the first and second sensors to produce a signal proportional to the angular position of the input gear. | 05-06-2010 |
20100114524 | ROTATION ANGLE DETECTION APPARATUS - A rotation angle detection apparatus has angle detection means that has detection circuits each including a detection element part having a coil and a resistor and that also has inductance changing means that changes the inductance of the coil in accordance with the rotation of a rotation measurement target. The rotation angle detection apparatus further has reference pulse voltage generating means for causing the detection circuits to generate output signals; and calculating means for calculating the output signals of the detection circuits. The calculating means obtains an integral by integrating, for a predetermined time, a transient output voltage occurring when a reference pulse voltage generated by the reference pulse voltage generating means is input to the detection circuits. The calculating means then detects, based on the integral, a rotation angle of the rotation measurement target, whereby the number of components of the rotation angle detection apparatus can be reduced and error factors of the output signal of the detection circuits can be reduced. As a result, the logic circuits and amplifier circuits can be simplified and hence the cost of the rotation angle detection apparatus can be reduced. | 05-06-2010 |
20100131233 | METHOD AND APPARATUS FOR DRIVER HANDS OFF DETECTION FOR VEHICLES WITH ACTIVE FRONT STEERING SYSTEM - A system and method for detecting the absence of contact between the hands of a driver of a vehicle and a steering wheel of the vehicle that have particular application in ensuring the proper functioning of various components of the driver assist steering systems and maintaining driver attentiveness. The method for detecting a no-contact condition between the hands of the driver of the vehicle and the steering wheel includes generating a model of the no-contact condition using a second-order transfer function. The method further includes obtaining a set of model-generated steering dynamics by estimating a plurality of parameters of the second-order transfer function and a set of measured steering dynamics using a plurality of sensors. The set of model-generated steering dynamics and the set of measured steering dynamics are then compared and the no-contact condition is detected based on this comparison. | 05-27-2010 |
20100174507 | METHOD AND SYSTEM FOR MEASURING ANGLES BASED ON 360 DEGREE IMAGES - A system for measuring angles includes a housing and an imaging device disposed in the housing. The system also includes a first optical element disposed in the housing and configured to receive light propagating from a first target along a first optical path and direct the light toward the imaging device and receive light propagating from a second target along a second optical path and direct the light toward the imaging device. The system further includes a processor in electrical communication with the imaging device and configured to receive data from the imaging device, compute a 360° angular map based on the received data, and determine an angular separation between the first target and the second target. | 07-08-2010 |
20100185412 | ROTATION ANGLE DETECTOR AND PROCESS FOR DETECTING ROTATION ANGLE - A rotation angle detector for detecting an absolute rotation angle of a detectable rotation body to be rotated a multiple number thereof comprises a first rotation body to be rotated as a cycle of a rotation angle Tc corresponding to a rotation of the detectable rotation body, a first detecting unit for detecting the rotation angle of the first rotation body, a second rotation body to be rotated due to the first rotation body or the detectable rotation body and to be rotated as a cycle of a rotation angle Tm with corresponding to the rotation of the detectable rotation body, that is different from the cycle of the rotation angle Tc regarding the first rotation body. The rotation angle detector further comprises a second detecting unit for detecting the rotation angle of the second rotation body and a rotation angle detecting unit for detecting the absolute rotation angle of the detectable rotation body with reference to a first continuous signal for the angle to be detected by using the first detecting unit and to a second continuous signal for the angle to be detected by using the second detecting unit. The individual rotation bodies are rotated corresponding to the rotation of the detectable rotation body, and a rotation angle of the detectable rotation body to be rotated in a period of the individual rotation bodies to be rotated as 360 degrees is defined as the individual cycles of the rotation angle respectively. In a case where either one of the first rotation body or the second rotation body is assumed to be as a main rotation body, the other one thereof is assumed to be a substitutive, rotation body, the detecting unit for detecting the rotation angle of the main rotation body is defined as a main detecting unit and the detecting unit for detecting the rotation angle of the substitutive rotation body is defined as a substitutive detecting unit regarding the first detecting unit and the second detecting unit, the rotation angle detecting unit detects a number of rotations regarding the main rotation body with reference to a difference of phases ΔT between the first continuous signal for the angle and the second continuous signal for the angle, and calculates the absolute rotation angle of the detectable rotation body to be rotated the multiple number thereof with reference to the individual continuous signals for the angle and the number of rotations to be detected by using the main detecting unit. | 07-22-2010 |
20100235138 | Engine Flexible Drive Elongation Measurement - A system and method is provided for determining changes in the angular position of a driven pulley, with respect to a driving pulley, when the driven and driving pulleys are synchronously linked by a flexible drive member such as a toothed belt or a chain. From these determined changes in the angular positions, the system and method can determine the condition of the flexible drive member and can output an appropriate signal when the condition of the flexible drive member has exceed a pre-defined value. Further, the system and method can detect a variety of other undesired conditions in the operation of an engine and/or the relative angular position information can be used to alter operation of the engine to improve the engine's operating efficiency and/or reduce the emissions created during operation of the engine. | 09-16-2010 |
20100241394 | METHOD AND SYSTEM FOR CALCULATING MISALIGNMENT OF ROTATIONAL BODY - A system and method for calculating misalignment of a rotational body includes: deriving radial displacement amounts of the rotational body for at least four or more measurement points; selecting three arbitrary points among all the measurement points to calculate a circle; calculating circle values for all the measurement points from the calculated circle; calculating differences between the calculated circle values and the radial displacement amounts as error amounts at the measurement points; summing the error amounts to derive a total error amount value; repeating calculation for combinations of three measurement points to calculate each total error amount value; selecting a calculated circle with a minimum total error amount value as a most probable circle; and calculating deviation between the center of the most probable circle and the center of rotation of the rotational body as misalignment data of the most probable circle. | 09-23-2010 |
20100250184 | ROTATION ANGLE DETECTION APPARATUS - An arithmetic processing means detects a change in a rotation angle of one or more rotations from the direction of a change in the sign of one of sensor output signals and the sign of the other sensor output signal, and generates multiple rotation angle information from information about the detected change in the rotation angle of one or more rotations and rotation angle information about one rotation calculated from the sensor output signals. | 09-30-2010 |
20100286950 | MEASURING THE ANGLE BETWEEN A FIRST MEMBER AND A SECOND MEMBER UNDER DYNAMIC CONDITIONS - Method and system for measuring an angle between a first member and a second member under dynamic conditions is provided. A first and second acceleration sensor and an angle measuring device (goniometer) are connected to the first and second member. Under dynamic and static conditions, the angle (α) is measured by the goniometer. Under static conditions, the inclination angle of the first member is measured using the first acceleration sensor and the inclination angle of the second member using the second acceleration sensor and the angle (α′) between the first and second members is calculated. Then the deviation is calculated between the angle (α) and the angle (α′). An error correction factor is calculated from the deviation between both angles (α,α′). The error correction factor is applied to future and/or previous measurements of the angle (α) between the first and second member done by the goniometer | 11-11-2010 |
20100292954 | METHOD AND DEVICE FOR DETECTING ROTATING ANGLE OF REFLECTOR - A device for detecting a rotating angle of a reflector includes a light emitting module, a photosensitive element, a microprocessor and a timer; the photosensitive element is used to sense time at which a beam emitted directly from the light emitting module is reflected by the rotatable reflector, and time at which a beam emitted from the light module is reflected to a target by the reflector, reflected to the reflector by the target and then reflected by the reflector, a rotating angle of the reflector is calculated by a time difference between these two times. Whereby, the accuracy of the detection of the reflector's rotating angle can be increased and the production cost of the device can be reduced. | 11-18-2010 |
20100318321 | PEDESTAL NAVIGATION SYSTEM - This invention provides a pedestal for a TV, video or cine camera comprising a base supported on at least three steerable wheel units, a steering system for the wheel units for maintaining the wheel units in parallel alignment with one another, a monitoring system for the wheel units and the steering system, and means for determining the distance moved by each wheel unit and the angle steered in relation to a fixed axis defined on the base. The monitoring system having processor means for calculating from the distances moved by every one of at least three wheels and the angle steered by every one of the at least three wheels in relation to the fixed axis, the trajectory distance traveled and any change of orientation of the pedestal to enable the position and orientation of the pedestal to be determined in relation to a previously known position and orientation. | 12-16-2010 |
20100324863 | METHOD AND SYSTEM FOR CORRELATING WEAPON FIRING EVENTS WITH SCORING EVENTS - An exemplary embodiment, the present invention sets forth a method for correlating at least one weapon firing event to at least one scoring event. The method comprising: receiving information relating to a first scoring event; receiving information relating to a first weapon firing event; calculating an angle between a reference line, extending from location of the first weapon event to the location of the first scoring event, and the reference direction at the first computing device; comparing the time of the first scoring event to the time of the weapon firing event at the first computing device; comparing the angle of incidence for the projectile to the calculated angle at the first computing device; and identifying whether the weapon firing event and the scoring event are an unambiguous, one-to-one pairings at the first computing device. | 12-23-2010 |
20100324864 | Apparatus and Imaging Method with Synthetic Aperture for Determining an Incident Angle and/or a Distance - The invention relates to an imaging method with synthetic aperture for determining an incident angle and/or a distance of a sensor from at least one object in space, wherein at each of a number of aperture points one echo profile is sensed. Advantageously, for several angles assumed as the incident angle, one phase correction value and/or one distance correction value is calculated, adapted profiles are generated based on the echo profiles by adapting the phase with the phase correction value for each assumed angle and/or by shifting the distance with the distance correction value, for the assumed angle, the adapted profiles are summed or integrated, and a probability distribution is derived, and a probability value for the incident angle and/or for the distance is determined therefrom. A determination of the incident angle is also possible independently of the distance, wherein it is possible to only consider velocities or accelerations. | 12-23-2010 |
20100332181 | SYSTEM AND METHOD FOR DETERMINING ANGULAR DIFFERENCES ON A POTENTIALLY MOVING OBJECT - A boresight alignment system is disclosed. The system comprises a frame movement sensor operable to determine a reference position on an object, a frame alignment sensor operable to determine a first boresight position on the object, a data acquisition processing unit in communication with the frame movement and frame alignment sensors and a display processing unit in communication with the data acquisition processing unit. The display processing unit is operable to display near real time attitude data measured by the frame movement and frame alignment sensors. The data acquisition processing unit comprises program instructions to correct for angular differences with respect to a reference position. | 12-30-2010 |
20110010127 | ERROR CALCULATION METHOD FOR ANGLE DETECTION DEVICE - An angle detection device formed in the shape of a disk includes: a graduation plate having a plurality of graduation lines being provided radially from the center toward the circumference thereof: and two detectors being disposed along the circumference of the graduation plate in a manner to be opposite to each other in a radial direction, the detectors detecting the graduation lines. The angle detection device is configured to calculate a center error based on angles detected by the detectors. | 01-13-2011 |
20110010128 | METHOD FOR DETERMINING A TWIST ANGLE - A method for determining an angle between a first shaft section and a second shaft section is provided. The 0° position of the first shaft section is determined by a first shaft signal, and the 0° position of the second shaft section is determined by a second shaft signal. The first shaft signal and the second shaft signal are subsequently each decomposed using Fourier analysis into frequency components of harmonic oscillations, wherein frequencies are calculated for the first shaft signal, and frequencies are calculated for the second shaft signal. The frequencies are each calculated as complex pointers from absolute value and phase of the order thereof wherein each pointer describes the angular velocity of the particular frequency. For each frequency, the particular angle of the complex number is then divided by the order, wherein standardized complex pointers are calculated. The standardized complex pointers are added complexly. | 01-13-2011 |
20110015894 | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING STATE OF COMPONENTS THEREIN - An electronic device includes a cover, a main body, an angle measuring apparatus, a memory for storing working states of components of the electronic device; a presetting unit configured to preset relationship of predetermined working states of components in the electronic device and corresponding angle ranges between the main body and the cover; an angle measuring unit configured to control the angle measuring apparatus to detect current angle value between the main body and the cover; a state determining unit configured to determine the predetermined working state of components of the electronic device; a control unit configured to determine whether the current working state of the components is the same as the determined working state; and an updating unit configured to record the determined working state as the updated working state of the components when the current state of the components is different from the determined working state. | 01-20-2011 |
20110040522 | VELOCITY DETECTION DEVICE AND SERVOMOTOR - A velocity detection device includes a rotational direction discriminator calculating an x coordinate or a y coordinate in temporary coordinates on a line between an origin of the coordinates and a point obtained by rotating the actual second coordinates by as much as a rotational angle a in a direction of a coordinate axis, the rotational direction discriminator discriminating a rotational direction from the actual first coordinates to the actual second coordinates based on either a sign of the x or y coordinate in the temporary coordinates; and a processor calculating calculational second coordinates represented by a multiplication, addition or subtraction between the actual first coordinates and one of the trigonometric function values to make calculational second coordinates closer to the actual second coordinates, and calculating the velocity of the moving body based on the temporary angles corresponding to the trigonometric function value used for the calculational second coordinates. | 02-17-2011 |
20110077902 | SERVO CONTROL CIRCUIT FOR DETECTING ANALYTES VIA NANOPARTICLE-LABELED SUBSTANCES WITH ELECTROMAGNETIC READ-WRITE HEADS - A circuit for controlling an electromagnetic head module to detect antigens on a biosample track comprising a processor for receiving position-error-servo signal from the PES read sensor, a write head for magnetizing nanoparticles attached to antigens, and a read sensor for detecting the nanoparticle-labeled antigens. The circuit may further comprise an X-axis actuator for controlling the head module in the direction perpendicular to the track and an Y-axis actuator coupled to the head module and the X-axis actuator for controlling the head module in the direction of the track. Target antigens are attached to the biosample track and nanoparticles via antibodies. | 03-31-2011 |
20110077903 | Apparatus and method sensing motion - Provided is a motion sensing apparatus that measures a first angle using at least one first rotational angle sensor, estimates a second angle using at least one second rotational angle sensor and at least one 2-axis angular velocity sensor that is different from the at least one first rotational angle sensor, and estimates a third angle using at least one third rotational angle sensor and the at least one 2-axis angular velocity sensor. | 03-31-2011 |
20110087456 | ROTATION ANGLE DETECTION DEVICE AND ELECTRIC POWER STEERING SYSTEM - Bridge circuits have half bridges formed of sensor elements, which vary respective impedances in accordance with a rotating magnetic field generated by a rotary object. A control unit acquires output signals produced from intermediate points of the half bridges, and calculates a rotation angle of the rotary object based on the output signals. The control unit determines that the output signal is abnormal, if a calculation value of the output signal calculated based on at least four output signals is outside a predetermined range. The control unit thus determines which one of the output signals has become abnormal due to failure or the like. | 04-14-2011 |
20110106489 | ROTATION MEASURING MECHANISM, SHEET CONVEYANCE APPARATUS, ORIGINAL READING APPARATUS, AND IMAGE FORMING APPARATUS - A rotation measuring mechanism capable of measuring a rotation amount and a displacement amount of a rotary member in a direction perpendicular to the rotation axis is provided. An exemplary combination of the rotation measuring mechanism includes a detection target rotating in synchrony with the rotary member and range sensors. Each time the detection target rotates once, each sensor outputs one cycle of a sine wave. The amplitude of the sine wave output from the sensor varies in accordance with the displacement of the detection target together with the rotary member in the direction perpendicular to the axis, thereby obtaining the rotation amount and the displacement amount of the rotary member. | 05-05-2011 |
20110125457 | TRAILER ARTICULATION ANGLE ESTIMATION - A method for operating a vehicle includes acquiring position information including an azimuth angle between a non-contacting sensor and a wheeled axle of an attached trailer, determining a trailer tongue length correlated to the position information, determining a track width of the attached trailer correlated to the position information, and calculating a trailer hitch articulation angle corresponding to the trailer tongue length and the track width of the attached trailer. | 05-26-2011 |
20110137609 | ROTATION ANGLE DETECTING UNIT - The object is to make it possible to stably supply use voltage after writing initial calibration parameters into magnetic sensor, while stably supporting a circuit board and keeping the size of a rotation angle detecting sensor to a minimum. A shaft ( | 06-09-2011 |
20110153268 | OBJECT SENSOR - A method for determining an object angle, especially for a driver assistance system in a motor vehicle, includes the steps of determining directional angles of the object with respect to two sensors, determining the object angle based on the directional angles, determining a cross-misalignment angle as the difference of the determined directional angles, determining a validity signal indicating the validity of the object angle based on the cross-misalignment angle and compensating for the influence of a relative misalignment of the sensors on the determined object angle based on the cross-misalignment angle. | 06-23-2011 |
20110184691 | ABSOLUTE HIGH RESOLUTION SEGMENT OR REVOLUTION COUNTER - An absolute high resolution linear segment or revolution counter as a one-chip-solution with self sustained, economical intermediate solutions, preferably as absolute magnetic multi turn, having a Wiegand element for counting the revolutions or segments, respectively and for the energy supply of the counter and memory as well as processing electronics, whereby the additional sensor for the fine resolution and a μ-controller are part of the overall IC is disclosed. | 07-28-2011 |
20110196648 | Multiturn Rotary Encoder - A multiturn rotary encoder includes a singleturn code disk which is joined in rotatably fixed manner to a shaft and which has a code track that is scannable by a singleturn scanning unit to ascertain the absolute position within one revolution of the shaft, a multiturn unit for measuring revolution data which are suitable for ascertaining the number of revolutions performed by the shaft, and an evaluation unit which is connected to the multiturn unit via at least two digital interfaces for transmitting the revolution data. The revolution data include at least two data words which have a different rate of change during rotation of the shaft, the interface for transmitting the data word having the highest rate of change to the evaluation unit is a parallel interface, and the interface for transmitting the data word having the lowest rate of change to the evaluation unit is a serial interface. | 08-11-2011 |
20110202308 | ENCODER SYSTEM, SIGNAL PROCESSING METHOD, AND TRANSMISSION SIGNAL GENERATION AND OUTPUT DEVICE - An encoder system includes: a first single-rotation absolute encoder that outputs a first signal corresponding to an angular position of a first rotatable shaft; a power transmission device that transmits the power of the first shaft to a second rotatable shaft with a predetermined transmission ratio; a second single-rotation absolute encoder that outputs a second signal corresponding to an angular position of the second shaft; and a signal processing section that generates data related to the rotation count of the first shaft based on at least the first signal and the second signal. | 08-18-2011 |
20110208475 | ABSOLUTE ANGLE CODING AND ANGLE MEASURING DEVICE - An absolute angle coding that includes a first code sequence disposed within 360°, wherein the first code sequence has a first length and is disposed N | 08-25-2011 |
20110218761 | ABSOLUTE POSITION MEASURING DEVICE - An absolute angle coding that includes a first cyclically continued code sequence that cyclically continues a first code sequence a multiple number of times, wherein the first code sequence is disposed within 360° and includes a first succession of code elements that defines a first angle sector. The code further includes a second cyclically continued code sequence that cyclically continues a second code sequence a multiple number of times, wherein the second code sequence is disposed within 360° and includes a second succession of code elements that defines a second angle sector, wherein the first cyclically continued sequence and the second cyclically continued code sequence in combination unambiguously absolutely encode the 360°. The first angle sector is not equal to the second angle sector, and at least one of the second code sequences of the second cyclically continued code sequence is embodied only partially within said 360° and with a succeeding second code sequence forms a joint. | 09-08-2011 |
20110238367 | ROTATIONAL ANGLE DETECTING DEVICE - A rotational angle detecting device includes a magnetic member, a magnetic sensor and a processing unit. The magnetic sensor includes a sensor element disposed to rotate relative to the magnetic member in accordance with a rotation of a rotating object and outputting signals according to a change in a magnetic field caused as rotating relative to the magnetic member. The processing unit is capable of processing output values of the sensor element. The processing unit acquires the output value at every angle of rotation of the rotating object, estimates a waveform for one cycle of the signals as an estimation waveform from the acquired output values, and normalizes an amplitude of the estimation waveform. Further, the processing unit calculates a rotational angle of the rotating object by a trigonometric function operation based on the output value and the normalized amplitude. | 09-29-2011 |
20110246133 | ROTATOR SENSOR - A rotation sensor includes: a magnetism generator; a sensor chip having a magneto-resistance element region and a Hall element region; and a detection circuit for detecting a relative rotation angle with reference to the magnetism generator according to output signals from each magneto-resistance element and each Hall element to detect. A phase difference is provided between output signals from the magneto-resistance elements. A phase difference is provided between output signals from the Hall elements. The magneto-resistance element region and the Hall element region at least partially overlap with each other. The detection circuit includes a comparison section, an angle computing section, and an output section. The comparison section compares an output level from each Hall element with a predetermined threshold value level, and provides a comparison result for each Hall element. The angle computing section calculates a calculation angle corresponding to the relative rotation angle with using an output signal from each magneto-resistance element. The output section compares the calculation angle with a predetermined threshold value, and provides a comparison result for each magneto-resistance element. The output section outputs a signal corresponding to the relative rotation angle based on a comparison result from the output section and a comparison result from the comparison section. | 10-06-2011 |
20110257931 | REVOLUTION COUNTER AND METHOD FOR DETERMINING THE NUMBER OF REVOLUTIONS OF A SHAFT - A revolution counter for determining the number of revolutions of a shaft, the revolution counter including sensors, with which position values that define an angular position of a shaft are generated, and a determination unit that receives the position values from the sensors and generates decision signals from the position values, wherein the decision signals determine counting sectors within one revolution of the shaft. The revolution counter further includes a counting control unit that receives the counting sectors from the determination unit, wherein the counting control unit, which as a function of a chronological order of the counting sectors operates the revolution counter in a first mode of operation or in a second mode of operation. The counting control unit switches over to the second mode of operation, which is an energy-saving pulsed mode, if after a defined length of time no change in one of the counting sectors takes place, and switches over to the first mode of operation if a change in one of the counting sectors does take place. The determination unit determines an uncertainty range between each pairing of the counting sectors and the counting control unit does not take the uncertainty ranges which adjoins one of the counting sectors that has led to a switchover to the second mode of operation into account for the switchover from the second mode of operation to the first mode of operation. | 10-20-2011 |
20110264405 | METHOD AND SYSTEM FOR MEASURING ANGLES BASED ON 360 DEGREE IMAGES - A surveying apparatus includes a support structure and a reflective surface mechanically coupled to the support structure. The reflective surface is configured to receive panoramic data over a 360° field of view. The surveying apparatus also includes an optical system mechanically coupled to the support structure and optically coupled to the reflective surface. The surveying apparatus further includes an imaging system mechanically coupled to the support structure and optically coupled to the optical system and a processor. The processor is configured to receive data from the imaging system and compute an angular measurement based on the received data. | 10-27-2011 |
20110288816 | Method and Apparatus for Dimensional Measurement - A non-contacting, out-of-plane measurement apparatus for measuring distances, angles and related geometric quantities, and for computing other quantities based on the measurements, is provided. The measurement apparatus can measure distances to target points of interest and can also measure angles therebetween, including angles with respect to at least one or two degrees of freedom so as to compute information determining vector segments between a reference point and the points of interest, then, to compute lengths and areas and volumes of objects of interest defined by the points of interest. In some cases, areas of polygons can be measured as sums of cross-products of the computed vectors to the points of interest located at the vertices of the polygons. Also, computing constituent triangular projections onto a polygon of interest using said apparatus then summing said constituent triangular projections so as to arrive at an area of said polygon. The apparatus and its methods are extendable to non-planar and three-dimensional calculations as well. In this way, the apparatus, or its user, are not required to be located at any special place or in-plane with the object (e.g., plane of a polygon) being measured. | 11-24-2011 |
20110288817 | Method of Servicing Wind Power Plant Using Azimuth Angle - The invention concerns a method for the determination of an azimuth angle for servicing purposes (α | 11-24-2011 |
20110301913 | ROTATION ANGLE DETECTOR - A rotation angle detector is provided with a frame-shaped yoke which includes a first wall and a second wall in parallel. A rotation axis of a detection subject extends inside of the frame-shaped yoke. A magnetic flux vector is uniformed in a direction orthogonal to the first wall, whereby even if a position of a Hall element deviates, the detected magnetic flux density is less varied. A robustness of the detector is enhanced. A distance between the Hall element and a second inner surface of the second wall is shorter than that between the Hall element and a first inner surface of the first wall. A length of the second inner surface is longer than a length of the first inner surface. At a vicinity of the second wall, the area in which the magnetic flux vector is uniformed can be enlarged. Thus, the robustness is further enhanced. | 12-08-2011 |
20120010848 | METHOD FOR DETERMINING THE ROTATION SPEED OF A SUPERCHARGER IN AN INTERNAL COMBUSTION ENGINE - A method for determining the rotation speed of at least one supercharger in an internal combustion engine; the method includes detecting, by means of a microphone, the intensity of a sound signal generated by the rotation of the supercharger and determining the evolution of the frequency content of the sound signal over time; determining, completely irrespective of the sound signal, a first estimation of the rotation speed of the supercharger by means of which an interval of plausible frequencies for the rotation speed of the supercharger may be determined; determining a second estimation of the rotation speed of the supercharger according to the frequency content of the sound signal within the interval of plausible frequencies and validating the second estimation of the rotation speed of the supercharger by means of the first estimation of the rotation speed of the supercharger. | 01-12-2012 |
20120010849 | RESOLVER SIGNAL CONVERTER AND RESOLVER SIGNAL CONVERSION METHOD - A resolver signal converter and a resolver signal conversion method amplify and perform analogue-digital conversion on a sine wave output from a resolver; thereafter, among frequency components of the sine wave output, pass and thereby extract a predetermined bandwidth of which the center frequency is the frequency of an excitation signal, by means of a band-pass filter; sample the sine wave output while synchronizing the sine wave output with a reference signal which is based on the excitation signal; and generate a detection angle signal sine value from the sampled signal. Similarly, a detection angle signal cosine value is generated from a cosine wave output from the resolver. A detection angle is calculated based on the detection angle signal sine value and the detection angle signal cosine value. Accordingly, an influence, on an input resolver signal, of disturbance noise such as noise caused due to a magnetic field generated by a motor and switching noise caused due to PWM driving, is eliminated, and frequency dependence of arithmetic processing is eliminated. As a result, detection angle errors are reduced. | 01-12-2012 |
20120022828 | MONITORING A MICROGENERATOR CIRCUIT OF A ROTARY ENCODER DEVICE - A rotary encoder device for scanning a rotatable shaft includes a microgenerator circuit, which converts the kinetic energy of the shaft into an electrical voltage, and a monitoring circuit, which is designed to output an error signal that indicates a malfunction of the microgenerator circuit. The error signal is issued when the electrical voltage meets a predetermined criterion with respect to a reference threshold. | 01-26-2012 |
20120041711 | Enhanced Rotation Measurement - An apparatus is provided comprising a detector, a memory, and a logic component. The detector is configured to receive a rotary motion input signal and a counter signal and to send a plurality of time values based on the input signal and the counter signal. The memory stores the plurality of time values in an ordered sequence and is coupled to the detector. The logic component selects time values stored in the memory by skipping a predefined number of time values in the ordered sequence, reads the selected time values to determine a coherent set of data values, and sends the coherent set of data values. | 02-16-2012 |
20120041712 | COORDINATE MEASURING MACHINE (CMM) AND METHOD OF COMPENSATING ERRORS IN A CMM - The present invention relates to a coordinate measuring machine comprising a stationary base, a probe head, at least one linear drive mechanism for moving in a first direction, the linear drive mechanism having a linear guide and a movable member being supported for movement along the guide by bearings. The linear drive mechanism further comprises at least a first pre-calibrated integral sensor-package having at least two displacement sensors each for measuring a distance from the movable member to the guide in a direction being non-parallel with respect to the first direction, wherein the sensed distances indicate a translational displacement of the movable member from an ordinary bearing position in a direction perpendicular to the first direction and a rotational displacement of the movable member. | 02-16-2012 |
20120046907 | TRAINING AID - A training method and apparatus for improving a physical technique, action, move or routine includes a portable electronic device which may be unobtrusively worn by the user. The portable electronic device includes motion sensor such as an accelerometer and/or gyroscope to determine the orientation and movement of the device. By monitoring the output of the motion sensor and applying the values according to predetermined movements, the user may be immediately provided positive and negative feedback. The device may be worn by the user during exercise or a sporting event without interfering with the user's movement. | 02-23-2012 |
20120116717 | ROTATION ANGLE DETECTION DEVICE AND ELECTRIC POWER STEERING APPARATUS USING SAME - A rotation angle detection device uses a control unit to acquire output signals Vx | 05-10-2012 |
20120130674 | DIAGNOSTIC SYSTEM AND METHOD FOR AN ELECTRIC POWER STEERING SYSTEM - A diagnostic system and method for an electric power steering system are provided. The diagnostic system includes a first microprocessor that determines a first relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from first and second position sensors. A second microprocessor determines a second relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from third and fourth position sensors. The first microprocessor determines whether the first relative position value is an acceptable value based on a difference between the first relative position value and the second relative position value. | 05-24-2012 |
20120143563 | ROTATION ANGLE DETECTION DEVICE - A first rotation angle computing unit computes a first rotation angle corresponding to a rotation angle of a rotor based on an output signal of a first magnetic sensor and an output signal of a second magnetic sensor. A second rotation angle computing unit computes a second rotation angle corresponding to the rotation angle of the rotor based on the output signal of the second magnetic sensor and an output signal of a third magnetic sensor. A rotation angle selection unit determines a final rotation angle using the first rotation angle and the second rotation angle. | 06-07-2012 |
20120150486 | APPARATUS FOR MEASURING THE SHAPE AND AREA OF A SHIP BLOCK - Provided is an apparatus for measuring a shape and area of a ship block, which may accurately recognize a piling location of a ship block by measuring a shape and area of the ship block piled up in a yard. The apparatus for measuring a shape and area of a ship block includes a direction angle sensor, a range finder, a radio frequency identification (RFID) reader and a block shape and area measuring system. The block shape and area measuring system includes a block shape and area measuring server, a vector calculating module, a coordinate calculating module, a shape and area extraction module and a memory module. | 06-14-2012 |
20120173194 | COMPUTING DEVICE AND METHOD OF COMPENSATING CENTER POSITION OF MECHANICAL ARMS - In a method of compensating the center position of a mechanical arm which has a first probe, a second probe, and a platform, a first test point and a second test point are selected on an electronic product and coordinates of the two points are acquired. A distance R between the first probe and the mechanical arm is received, and an angle θ between the platform and a line formed according to the two points is computed to obtain compensated coordinates of the mechanical arm. The mechanical arm moves to the location of the compensated coordinates, and thus locating the first probe and the second probe respectively at the first test point and the second test point. | 07-05-2012 |
20120173195 | INERTIAL SENSOR AIDED HEADING AND POSITIONING FOR GNSS VEHICLE NAVIGATION - An apparatus and method for providing an improved heading estimate of a mobile device in a vehicle is presented. First, the mobile device determines if it is mounted in a cradle attached to the vehicle; if so, inertia sensor data may be valid. While in a mounted stated, the mobile device determines whether it has been rotated in the cradle; if so, inertia sensor data may no longer be reliable and a recalibration to determine a new relative orientation between the vehicle and the mobile device is needed. If the mobile device is mounted and not recently rotated, heading data from multiple sensors (e.g., GPS, gyroscope, accelerometer) may be computed and combined to form the improved heading estimate. This improved heading estimate may be used to form an improved velocity estimate. The improved heading estimate may also be used to compute a bias to correct a gyroscope. | 07-05-2012 |
20120173196 | SYSTEM FOR DETERMINATION OF DOWNHOLE POSITION - A measurement means for a downhole tool for determining the orientation of the axis of a downhole tool in relation to true north. It includes a gyro sensor capable of measuring angular rate, a rotation means for rotating the gyro sensor about a sensor axis, a measurement means to detect the angular rate at the gyro sensor as it is rotated to form a series of readings, and a processor capable of interpreting the signal amplitude from the series of readings and determining the points of greatest signal amplitude. The processor is also being capable of comparing the phase difference between the actual readings taken against what would be generated with the sensor pointing true north thus providing a downhole tool axis angular deviation from true north. The rotation means rotates the gyro sensor in discrete steps. | 07-05-2012 |
20120179418 | MOTION ANALYSIS DEVICE AND MOTION ANALYSIS METHOD - A motion analysis device includes two posture angle sensors attached to a measurement object at locations distant from each other, a data acquisition section, a posture angle correction section, and a deformation amount calculation section. The data acquisition section acquires data of a first posture angle and a second posture angle respectively detected by the posture angle sensors. The posture angle correction section corrects a difference between the first posture angle and the second posture angle after starting a motion of the measurement object in accordance with a difference between the first posture angle and the second posture angle before starting the motion of the measurement object. The deformation amount calculation section calculates a deformation amount of the measurement object based on a difference between the first posture angle and the second posture angle corrected by the posture angle correction section. | 07-12-2012 |
20120191409 | SYSTEMS AND METHODS FOR IMPROVED COORDINATE ACQUISITION MEMBER COMPRISING CALIBRATION INFORMATION - Apparatus, systems and methods for an improved probe for a coordinate measurement machine (PCMM) is disclosed herein. The probe comprises a machine readable unique serial number, which the PCMM can read from the probe to identify the probe and obtain information relating to calibration of the probe by matching the unique serial number with unique serial number stored with the information relating calibration. The coordinate information device further comprises modules configured to store and provide the machine readable unique serial number, and also information relating to calibrating the probe. | 07-26-2012 |
20120197591 | ANGLE DETECTION APPARATUS - According to one embodiment, in the angle detection apparatus, the first A-D converter unit receives the first signal, and performs analog-to-digital conversion of the first signal. The second A-D converter unit receives the second signal orthogonal to the first signal, and performs analog-to-digital conversion of the second signal. The first delay circuit receives a third signal outputted by the first A-D converter unit, and performs a phase adjustment of the third signal. The second delay circuit receives a fourth signal outputted by the second A-D converter unit, and performs a phase adjustment of the fourth signal. The phase detection adjustment unit monitors phases of signals outputted by the first and second delay circuits, and gives phase adjustment commands to the first and second delay circuits, when a phase shift occurs. | 08-02-2012 |
20120203501 | DRAIN CLEANING APPARATUS WITH ELECTRONIC CABLE MONITORING SYSTEM - A drain cleaning machine with an electronic cable monitoring system is disclosed which comprises a frame supporting a rotatable drum which is driven by a motor through an endless belt. The drum contains a flexible drain cleaning cable which is rotatable with the drum and axially displaceable into and out from the drum, and the frame supports a cable feeding device through which the cable extends and by which the cable is displaced into and out of the drum. An electronic cable monitoring system is configured to assess an amount of cable payed out from and retracted into the drum. A process determines an amount and direction of relative movement between a rotatable drum and a cable follower member and generates a signal representative of an amount of cable payed out or retracted into the drum. | 08-09-2012 |
20120209562 | ASSEMBLY AND METHOD FOR DETERMINING AN ANGULAR POSITION - An assembly and a method determine the angular position of a rotating machine by way of an inductive sensor. From the excitation signal for a primary winding of a sensor and voltages induced in the two secondary windings of the sensor, three more signals are derived using phase shifters and polarity sign determination units. The six signals in total are sampled using a sample and hold sampling unit and provided to a processor for evaluation, which then calculates the current angular position of the rotating machine at the sampling time. | 08-16-2012 |
20120232839 | ROTATION ANGLE DETECTION APPARATUS - A first third harmonic component removing portion calculates an approximate value (sin θ) | 09-13-2012 |
20120259579 | METHOD AND APPARATUS FOR DETERMINING ORIENTATION USING A PLURALITY OF ANGULAR RATE SENSORS AND ACCELEROMETERS - A method and apparatus for determining the orientation of an object relative to a coordinate system. The apparatus includes a body providing a reference for a local coordinate system. A rotatable sensor array is provided having more than one sensor and a rotational axis about which the rotatable sensor array rotates. A rotational drive system is provided for rotating the rotatable sensor array both to precise positions relative to the local coordinate system and at a precise rate relative to the local coordinate system. An angular position indicator to measure the angular position of the rotatable sensor array. | 10-11-2012 |
20120259580 | METHOD FOR DETERMINING THE DISPLACEMENT OF A RADIAL PISTON MACHINE - A method of determining displacement of a radial piston machine ( | 10-11-2012 |
20120271590 | METHOD AND APPARATUS FOR ROBOT CALIBRATIONS WITH A CALIBRATING DEVICE - Described herein is a method and apparatus for performing calibrations on robotic components. In one embodiment, a method for performing robotic calibrations includes moving the calibrating device across a target (e.g., a wafer chuck). Next, the method includes measuring distances between light spots from the sensors and a perimeter of the target using the sensors located on the calibrating device. Next, the method includes determining a displacement of the calibrating device relative to a center of the target. Then, the method includes determining a rotation angle of the calibrating device relative to a system of coordinates of the target. Next, the method includes calibrating a robot position of the robot based on the displacement and rotation angle of the calibrating device with respect to the target. | 10-25-2012 |
20120278033 | METHOD FOR THE DETERMINATION OF AN ABSOLUTE POSITION ANGLE OF A CAPACITIVE MOTION ENCODER - Method for the determination of the position angle of a capacitive motion encoder ( | 11-01-2012 |
20120290257 | USING SPATIAL INFORMATION WITH DEVICE INTERACTION - The amount of resources needed for an electronic device to track and/or interact with a user is reduced by utilizing a predicted relative position of that user. In some embodiments, a full 360° scan is performed using at least one image capture element to locate a primary direction to a user of the device. Once this direction is determined, a smaller range (e.g., 45°) centered around that direction can be used to capture, analyze, or provide information for the user. As the user moves, the determined direction is updated and the range adjusted accordingly. If the user moves outside the range, the device can increase the size of the range until the user is located, and the range can again be decreased around the determined direction. Such approaches limit the amount of image or audio information that must be captured and/or analyzed to track the relative position of a user. | 11-15-2012 |
20120290258 | METHOD FOR MEASURING AND ALIGNING A ROTARY CYLINDRICAL APPARATUS - A method for measuring and aligning a rotary cylindrical or other rotationally symmetrical apparatus, such as a kiln or a drum. The apparatus to be measured and aligned has a shell and at least one supporting ring. As the rotary apparatus is rotating under process conditions, measurement points are measured on the surface of the rotating object's shell in the axial direction on both sides of each supporting ring on the same circumferential line. Regression circles are calculated from the measured points, center points are determined for the calculated circles and a straight line and its center point are determined between the center points of the circles calculated on both sides of each supporting ring. A reference straight line is calculated for the center line of the shell and the object's shell is aligned to be straight by transferring the determined center points of the shell to the calculated reference line. | 11-15-2012 |
20120330604 | SYSTEM AND METHOD FOR MONITORING ROTATING DEVICE - A system for use in monitoring operation of a rotating device is described herein. The system includes at least one sensor, an input device, a display device, and a processor. The sensor is configured to sense a position of a component coupled to the rotating device, and to generate a signal indicative of the position of the component with respect to a reference. The input device is configured to generate a signal indicative of a user selection input. The processor is coupled in communication with the sensor, the input device, and the display device, and is programmed to calculate a plurality of timebased position values associated with a relative position of the component with respect to a predefined period of time. A plurality of orbital position values associated with a relative position of the component are calculated by the processor. The processor graphically presents at least one of a plurality of timebased traces corresponding to the calculated plurality of timebased position values and a plurality of orbit traces corresponding to the calculated plurality of orbital position values in response to a user selection input via said input device. | 12-27-2012 |
20120330605 | SYSTEMS AND METHODS FOR USE IN MONITORING OPERATION OF A ROTATING DEVICE - A system for use in monitoring operation of a rotating device includes at least one first sensor that senses a position of a first component coupled to the rotating device, and at least one second sensor that senses a position of a second component coupled to the rotating device. A processor coupled to the first sensor and the second sensor calculates a first plurality of property values of the first component based on the first component position, and a second plurality of property values of the second component based on the second component position. The processor graphically presents a first display including at least one trace based on the first plurality of component property values, graphically presents a second display including at least one trace based on the second plurality of component property values, and synchronizes the trace in the first display with the trace in the second display. | 12-27-2012 |
20120330606 | SYSTEMS AND METHODS FOR USE IN MONITORING OPERATION OF A ROTATING DEVICE - A system for use in monitoring operation of a rotating device includes at least one sensor configured to sense a position of a component coupled to a rotating device with respect to a predefined axis and generate a signal indicative of the component position. A processor is programmed to calculate a plurality of property values of the component based at least partially on the position, and graphically present at least one time-based waveform based on at least a portion of the component property values. The processor is also programmed to graphically present at least one orbit plot based on at least a portion of the plurality of component property values, and synchronize the time-based waveform with the orbit plot. The time-based waveform is indicative of a position of the component along the axis, and the orbit plot is indicative of a position of the component within a predefined plane. | 12-27-2012 |
20130006578 | Device and Method for Detecting Light Reflection and Electronic Device Using the Same - The present disclosure discloses a device for detecting light reflection in an electronic device having a display device includes a light angle detection module for detecting an incident angle of light beam emitted from a light source corresponding to the display device, a vision angle detecting module for detecting a visual angle of a user corresponding to the display device, and a processing module for determining the light source affects the user when the incident angle is smaller than a first default value and the visual angle is smaller than a second default value. | 01-03-2013 |
20130030755 | METHOD FOR DETERMINING INFORMATION REPRESENTATIVE OF THE POSITION OF A REAL TOOTH ON A TOOTHED TARGET RIGIDLY ATTACHED IN ROTATION TO A SHAFT OF AN INTERNAL COMBUSTION ENGINE AND ASSOCIATED DEVICE - A method an device for determining information representative of the position of a real tooth of a toothed target rigidly attached in rotation to a shaft of an internal combustion engine, the toothed target including n real teeth and m missing teeth forming a reference area and the engine being equipped with a sensor for detecting the passage of the real teeth of the toothed target in front of the sensor and with a unit capable of measuring, for each tooth k, the period of time, called period (T(k)) of the tooth k, separating the tooth k from the preceding tooth k−1. For the tooth k, the following ratio is calculated: | 01-31-2013 |
20130030756 | METHOD AND APPARATUS FOR ANGLE MEASUREMENT - An apparatus for angle measurement that includes a graduation carrier with a code track disposed concentrically to a center point of the graduation carrier. The apparatus includes a first scanning unit having a first interface and a second scanning unit having a second interface, wherein the first and second scanning units ascertain angle values of the graduation carrier by scanning the code track. The apparatus further includes a control unit having: 1) a device interface that is in communication with a follower electronics unit, 2) a control unit interface that is in communication with the first and second interfaces and 3) a processing unit. By which the processing unit, angle values of the first and second scanning units can be requested and processed into a corrected angle value, and the corrected angle value can be transmitted to the follower electronics unit via the device interface. | 01-31-2013 |
20130035896 | ROTATION ANGLE DETECTION DEVICE - Angular widths of respective magnetic poles of a detection rotor are stored and divisions are set for respective magnetic pole pairs. Based on output signals from first and second magnetic sensors, a rotation angle computation unit computes first and second rotation angles that are rotation angles within the corresponding division. Based on the angular widths, the rotation angle computation unit identifies the magnetic pole sensed by the first magnetic sensor and computes a first absolute rotation angle using the first rotation angle. Based on the identified magnetic pole and the second rotation angle, the rotation angle computation unit computes a second absolute rotation angle. The rotation angle of the detection rotor is computed based on the first and second absolute angles. | 02-07-2013 |
20130035897 | ION BEAM INCIDENT ANGLE DETECTION ASSEMBLY AND METHOD - In an ion implanter, a detector assembly is employed to monitor the ion beam current and incidence angle at the location of the work piece or wafer. The detector assembly includes a plurality of pairs of current sensors and a blocker panel. The blocker panel is coupled to the detector array to move together with the detector array. The blocker panel is also disposed a distance away from the sensors to allow certain of the beamlets that comprise the ion beam to reach the sensors. Each sensor in a pair of sensors measures the beam current incident thereon and the incident angle is calculated using these measurements. In this manner, beam current and incidence angle variations may be measured at the work piece site and be accommodated for, thereby avoiding undesirable beam current profiles. | 02-07-2013 |
20130041622 | SENSOR ASSEMBLY FOR ROTATING DEVICES AND METHODS FOR FABRICATING - A sensor assembly is described herein. The sensor assembly includes a housing that includes an inner surface that defines a cavity within the housing, and a proximity sensor positioned within the cavity. The proximity sensor includes a first connector, a second connector, and a substantially planar sensing coil that extends between the first connector and the second connector. The sensing coil extends outwardly from the first connector such that the second connector is radially outwardly from the first connector. | 02-14-2013 |
20130060516 | TRACE-GENERATING DEVICES AND METHODS THEREOF - A trace-generating device for generating information on trace of motion is disclosed. The device comprises a first module to calculate an initial roll angle (φ) and an initial pitch angle (θ) in response to an output of an accelerometer, a second module to calculate an initial magnetic vector ({right arrow over (m)} | 03-07-2013 |
20130060517 | Wireless Dongle Angular Position Sensor - An apparatus comprising a connector, a transceiver connected to the connector, and a processor configured to detect the connector's angular position relative to the transceiver based on a Hall voltage (V | 03-07-2013 |
20130060518 | Variable Reluctance Resolver and Rotation Angle Detecting Device - Two excitation coils (excitation A coil, excitation B coil) and two detection coils (detection A coil, detection B coil) are provided. The excitation A coil and the excitation B coil are excited at frequencies that are different from each other. The number of turns of the detection A coil and the detection B coil are respectively set with two sine waves using the number m | 03-07-2013 |
20130060519 | ENCODER TO DETERMINE THE POSITION OF A PISTON IN A HYDRAULIC OR A PNEUMATIC CYLINDER - A method to determine a position of a piston reciprocating inside a hydraulic cylinder or a pneumatic cylinder between a first end position and a second end position, with the piston parting the cylinder in first and second chambers, and with at least one of the chambers at least partly filled with a fluid. The method includes the steps of driving a wheel structure of a hydraulic motor or a pneumatic motor by the force of the fluid led to or from the first or second chamber, driving a shaft encoder by the hydraulic motor or the pneumatic motor, measuring at least one parameter corresponding to a rotation or an angular displacement of the wheel structure using the shaft encoder, and calculating the position of the piston. | 03-07-2013 |
20130080110 | Digital Angle Meter - An angle measuring device or system can include a wrench or a bracket, for example, and a digital angle meter. The a wrench or bracket can include a head or head plate portion for engaging a nut, a bolt, or crankshaft, a central axis about which the wrench or bracket rotates during use, and a longitudinal axis perpendicular to the central axis. The digital angle meter can be attached to the wrench or bracket and include a housing, a processor, and at least one gyrometer. The at least one gyrometer including a first axis extending parallel to the longitudinal axis for determining the rotational orientation of the wrench or bracket relative to a reference position. | 03-28-2013 |
20130096872 | CIRCUIT ARRANGEMENT AND METHOD FOR EVALUATING SIGNALS OF A CRANKSHAFT SENSOR AND OF A CAMSHAFT SENSOR OF AN INTERNAL COMBUSTION ENGINE - A circuit assemblage and a method for evaluating signals of a crankshaft sensor and of a camshaft sensor of an internal combustion engine are provided, the times at which the signals occur being evaluated. A position signal of a shaft of the internal combustion engine is formed from the times. Storage units are provided which simultaneously store the occurrence times of the signals of the crankshaft sensor and the occurrence times of signals of the camshaft sensor. A decision unit is provided as to whether the position signal is formed from the occurrence times of the signals of the crankshaft sensor or from the occurrence times of the signals of the camshaft sensor. | 04-18-2013 |
20130096873 | Acquisition of Information for a Construction Site - Systems and methods for acquiring information for a construction site are provided. One system includes a base unit positioned within a construction site by a user. A computer subsystem of the base unit determines a position of the base unit with respect to the construction site. The system also includes a measurement unit moved within the construction site by a user. The measurement unit includes one or more elements configured to interact with light in a known manner. An optical subsystem of the base unit directs light to the element(s) and detects the light after interacting with the element(s). The computer subsystem is configured to determine a position and pose of the measurement unit with respect to the base unit based on the detected light. The measurement unit includes a measurement device used by the measurement unit or the base unit to determine information for the construction site. | 04-18-2013 |
20130096874 | GEODETIC SURVEYING SYSTEM AND METHOD FOR OPERATING A GEODETIC SURVEYING SYSTEM - A geodetic surveying system, comprising: a first measurement unit and a second measurement unit. Each of the first and the second measurement unit is configured to perform a measurement for acquiring positioning data of the respective measurement unit. The system further comprises a first inclinometer for acquiring inclination data of the first inclinometer which represent a vertical inclination measured at the first measurement unit; and a second inclinometer for acquiring inclination data of the second inclinometer, which represent a vertical inclination measured at the second measuring unit. The geodetic surveying system is configured to determine a relative orientation angle between the first inclinometer and the second inclinometer in a horizontal plane relative to a vertical adjustment of the geodetic surveying system, depending on the inclination data of the first inclinometer and the second inclinometer. | 04-18-2013 |
20130116969 | Method and Device for Determining an Axle Geometry of a Vehicle - A method for determining characteristics of an axle geometry of a vehicle including the following: steering a wheel mounted on an axle of the vehicle to various steering positions having different steering angles; determining the spatial position of the wheel at the different steering positions; determining the particular axis of rotation of the wheel in the different steering positions from the results of the determination of the spatial position; modeling a parametric model of the steering axis; adapting the parametric model of the steering axis to the axes of rotation of the wheel determined from the measurement of the spatial position; and determining characteristics of the axle geometry from the adapted parametric model of the steering axis. | 05-09-2013 |
20130132026 | MEASUREMENT METHOD FOR A SURFACE-MEASURING MEASURING MACHINE - Measurement method where a code projection which is dependent on a three-dimensional position of a code carrier relative to a sensor arrangement is generated on a sensor arrangement, and at least part of the code projection is captured. An angular position of the code carrier with reference to the defined axis of rotation is ascertained and a current measurement position of the measurement component relative to a base is determined, wherein, a position value for at least one further degree of freedom of the code carrier relative to the sensor arrangement is ascertained on the basis of the code projection and is taken into account to determine the current measurement position, and a relative position of the connecting element with respect to the holder and/or the deformation thereof is determined from the position value in the form of a change in shape or size. | 05-23-2013 |
20130132027 | METHOD AND APPARATUS FOR AUTOMATION OF VEHICLE WHEEL ALIGNMENT MEASUREMENTS - Methods and apparatus for a vehicle wheel alignment service procedure and an for acquisition of vehicle measurements, which imparts a gravity-induced rolling movement to a vehicle on a vehicle support structure to transition the vehicle from a first vehicle support surface over a descending roll ramp to a resting position on a second vehicle support surface. | 05-23-2013 |
20130144553 | ENCODER, DRIVING DEVICE, AND ROBOT APPARATUS - An encoder includes: a first scale which has a first index portion; a second scale which has a second index portion; a first detection unit which outputs a first signal based on the first index portion, regarding first relative rotation between a fixing member and a first rotating member; a second detection unit which outputs a second signal based on the second index portion, regarding second relative rotation between the fixing member and a second rotating member; and a signal-processing unit which calculates information regarding the first relative rotation on the basis of the first signal and which calculates information regarding the second relative rotation on the basis of the second signal. | 06-06-2013 |
20130151194 | FLEXIBLE CRANK ANGLE POSITION SENSING - A flexible crank angle position sensing device and data structure is provided. The device allows a user to enter specific data into a data structure relating to an encoder wheel used to determine the position of the crank shaft. The specific data is stored in the device and can be recalled for use in specific engine implementations. Furthermore, a user can enter data to describe other encoder wheels associated with a cam shaft of an engine. A data structure relating to a cam shaft encoder wheel relates to the data structure relating to the crank shaft encoder wheel such that various positional information, regarding both the cam shaft and crank shaft, can be detected by the device. | 06-13-2013 |
20130151195 | SYSTEM AND METHOD FOR COMPENSATING ORIENTATION OF A PORTABLE DEVICE - A system for compensating orientation of a portable device is provided with a processing unit for: determining a roll rotation angle of the portable device in a mobile reference system associated thereto; and applying a rotation matrix, which is a function of the roll rotation angle, for transforming relative displacements of the mobile device in the mobile reference system into corresponding displacements in a fixed reference system, of an inertial type, thus compensating the orientation of the portable device. The processing unit determines the roll rotation angle, in the presence of dynamic acceleration, by means of: acquisition of a roll angular velocity of the portable device by a gyroscopic sensor fixed with respect thereto; and time integration of the same roll angular velocity. | 06-13-2013 |
20130158945 | ANGLE DETECTOR - An angle detector detects an operation angle of an electric actuator having an electric motor. The electric motor generates rotation force when being energized. The angle detector includes a controller. The controller calculates an average current flowing through the electric motor during operation of the electric actuator. The controller calculates the operation angle of the electric actuator from a predetermined formula by using the average current. | 06-20-2013 |
20130158946 | MODELLING OF HAND AND ARM POSITION AND ORIENTATION - The present invention provides a method for modelling a position and orientation of a hand with as small a number of sensors as possible. A first sensor is attached on a phalanx distalis of a finger. The first sensor is adapted to provide information on at least five degrees of freedom that correspond to three translations, yaw and pitch. A second sensor is placed at a fixed position relative to a dorsum or palm of the hand. The second sensor is adapted to provide information on at least six degrees of freedom that correspond to three translations, yaw, pitch and roll with respect to a point of the dorsum or palm of the hand. A position and orientation of each of the first and second sensors is detected. A first distance between said point and a metacarpal-phalangeal joint of the finger, a second distance between the metacarpal-phalangeal joint and a proximal interphalangeal joint, a third distance between the proximal interphalangeal joint and a distal interphalangeal joint, and a fourth distance between the distal interphalangeal joint and the first sensor are measured. A position and orientation of each of the three joints is calculated on the basis of the measured first to fourth distances, the detected position and orientation of the first sensor, and the detected position and orientation of the second sensor. | 06-20-2013 |
20130218517 | Rotation Angle Sensor for Absolute Rotation Angle Determination Even Upon Multiple Revolutions - A rotation angle sensor for detecting an absolute rotation angle upon single or multiple revolutions includes a magnetic field sensor and an encoder arrangement. The magnetic field sensor detects at least two orthogonal magnetic field variables. The encoder arrangement is rotatable depending on the absolute rotation angle relative to the magnetic field sensor, such that the magnetic field detected by the magnetic field sensor is dependent on a relative angular position of the encoder arrangement with respect to the magnetic field sensor. The encoder arrangement is furthermore displaceable relative to the magnetic field sensor. The relative angular position and the relative translational position of the encoder arrangement with respect to the magnetic field sensor is determined from the at least two orthogonal magnetic field variables. The absolute rotation angle is determined by means of the relative angular position and the relative translational position. | 08-22-2013 |
20130226512 | MAGNETO-INDUCTIVE POSITIONING USING A ROTATING MAGNETIC FIELD - A method and system for locating the position of a source that emits a rotating magnetic field. Three or more receivers are deployed or positioned in known position relative to each other, which may be along a common axis in some cases. Phase differences between the magnetic fields measured by the receivers are detected. The phase shifts are used to determine the location of the source. With three receivers, a range and bearing angle relative to a middle receiver may be determined. With five or more receivers, a range and two bearing angles may be determined, thereby providing a three-dimensional position. | 08-29-2013 |
20130226513 | NORMAL-LINE DETECTION METHOD, NORMAL-LINE DETECTION DEVICE, AND MACHINE TOOL HAVING NORMAL-LINE DETECTION FUNCTION - A method for finding the normal vector of a measurement surface of a measurement target measures distances to the measurement target using at least one distance detector and calculates the normal vector. The normal vector is found by calculating the exterior product of a first vector which connects a first measurement point and a second measurement point and a second vector which connects a third measurement point and a fourth measurement point and is shifted in parallel such that an end thereof is set at any one of the first and second measurement points. | 08-29-2013 |
20130245993 | ALIGNMENT CORRECTION SYSTEM AND METHOD OF USE - A system and method is provided for correcting alignment of a product on a tool and, more particularly, to a system and method for correcting alignment of a wafer on a chuck of a tool. The system is a tool including at least one contact near a circumference of the tool and a grounded contact proximate to the at least one contact. | 09-19-2013 |
20130245994 | APPARATUS FOR DETERMINING THE ANGULAR POSITION OF THE ROTOR OF AN ELECTRIC MACHINE - An apparatus for determining the position of the rotor of an electric machine in relation to the stator. The machine has multiple phases, each of which includes at least one pole winding with a magnetizable core. The apparatus includes devices for detecting measurement signals that are characterized by the momentary degrees of magnetization of the pole winding cores. The degrees of magnetization are influenced by the angular position of the magnetic field of the rotor. The devices are also used to detect the currents in the phases and determine the angular position of the rotor from the detected measurement signals, taking into account a contribution of the phase currents to the degrees of magnetization of the pole winding cores. | 09-19-2013 |
20130253881 | PROCESS FOR DETERMINING THE POSITION OF THE ROTOR OF AN ELECTRIC MACHINE - A process for determining the position, in particular the angular position, of the rotor of an electric machine in relation to the stator. A first measured value of the position is determined according to a first method. Another measured value is simultaneously determined according to at least one other measurement method, and a mean value for the position of the rotor is determined from the measured values. Preferably, the mean value is determined taking into account weighting factors that take into consideration different spreads of the measured values. | 09-26-2013 |
20130262025 | EXTENDED RANGE ABSOLUTE POSITION SENSING - A device for absolute position sensing includes a motor having a motor sensor configured to provide a signal indicative of an angular position or change in angular position of a rotor of the motor. The device also includes an actuator having an actuator sensor disposed at a set-point along a linear range of motion of the actuator configured to provide a signal indicative of a linear position of the actuator. The device further includes a controller configured to receive the signals from the rotor sensor and the actuator sensor and responsively calculate an absolute position of the actuator. | 10-03-2013 |
20130268234 | METHOD AND DEVICE FOR DETERMINING THE ABSOLUTE POSITION OF A MOVABLE BODY - In a method for determining absolute position of a mobile element in reference to two magneto-sensitive sensors, having a source of a magnetic field fastened to the element, a first sensor signal and a second sensor signal are measured with one magneto-sensitive sensor each. An amplitude ratio of the respective sensor signals and the off-set values about the respective zero point of the sensor signals are determined from the minimum and maximum values of the sensor signals, and from these values, scaled sensor signals are calculated that form a sum signal and a difference signal, which are scaled, with the determination of the minimum and the maximum values occurring by a relative movement of the element over a full range of motion, and an absolute position is calculated via the scaled sum signal and the scaled difference signal. | 10-10-2013 |
20130289936 | DEVICE FOR DETECTING MULTI-TURN ABSOLUTE ROTATION ANGLE AND METHOD FOR DETECTING THE SAME - There is provided a method for calculating with high accuracy a multi-turn absolute rotation angle of a motor rotating shaft coupled to a motor output shaft. In a rotation angle detection device according to this invention, a rotation angle θ | 10-31-2013 |
20130297252 | SENSOR FOR MEASURING ANGULAR POSITION, AND MEASUREMENT COMPENSATION METHOD - Method for compensating a reference measurement including a measurement of angular position α and a measurement of time T | 11-07-2013 |
20130304416 | METHOD FOR DETERMINING A PIVOTING ANGLE OF A WHEEL UNIT MOUNTED ONTO A SNAP-IN INFLATION VALVE - A method for determining a pivoting angle (α) of a wheel unit ( | 11-14-2013 |
20130346019 | SIGNAL PROCESSING DEVICE OF SCANNING-TYPE DISTANCE MEASUREMENT DEVICE, SIGNAL PROCESSING METHOD, AND SCANNING-TYPE DISTANCE MEASUREMENT DEVICE - A signal processing device of a scanning-type distance measurement device includes: a distance calculation unit for, on the basis of a predetermined correlation relationship between measured light and reflection light, calculating, for each predetermined scan angle, the distance from the scanning-type distance measurement device to an object; a to-be-monitored object determination unit for performing a to-be-monitored object determination process, in which, when the distance calculation unit calculates a distance within a to-be-monitored region for N number of scans (N is an integer equal to or greater than 2) consecutively in a specific scan angle direction, it is determined that there is an object to be monitored in the specific scan angle direction; and a signal output unit which, when it is determined by the to-be-monitored object determination unit that there is an object to be monitored, outputs a to-be-monitored object detection signal. | 12-26-2013 |
20140005976 | Measuring system for registering the absolute rotation angle of a rotating, measured object | 01-02-2014 |
20140012537 | POSITION DETECTION APPARATUS AND MANUFACTURING METHOD OF THE SAME - A position detection apparatus includes a magnetic generator, a magnetic detector, a storage, and a rotation angle calculator. The rotation angle calculator calculates a relative rotation angle of the magnetic generator with respect to the magnetic detector based on a voltage output from the magnetic detector and a relational expression of θ=sin | 01-09-2014 |
20140019085 | Systems and Methods for Sensing and Tracking Radiation Blocking Objects on a Surface - Various system and methods for estimating the position of one or more radiation blocking objects on a surface are disclosed. A plurality of radiation sources and radiation sensors are positioned about the surface. A plurality of sectors corresponding to the position of at least some of the radiation blocking objects relative to each of the radiation sensors is determined based on a radiation intensity signal for each radiation sensor. The position of the radiation blocking objects is estimated by analyzing various combinations of the sectors. In some embodiments, the size of a radiation blocking object may be estimated based on characteristics of a polygon corresponding to a combination of sectors. | 01-16-2014 |
20140039829 | POSITION DETECTOR - A position detector includes a Hall element that detects a magnetic flux density and a temperature detection element that detects the temperature of the Hall element. In a rotation angle calculation process, a temperature correction value a is calculated by substituting a detection temperature t of the temperature detection element and a reference maximum voltage V | 02-06-2014 |
20140046625 | METHOD FOR DETERMINING AN ANGLE OF ROTATION - A method for determining an angle of rotation between a sensor array and a magnetic field of a magnet, whereby the magnetic field is formed substantially parallel and perpendicular to the rotation axis, and the magnet is arranged rotationally symmetric relative to the rotation axis. A first measurement signal and a second measurement signal are generated by the two subsensors of the first magnetic field sensor unit, and the first measurement signal is assigned a first relation and the second measurement signal is assigned a second relation. A third measurement signal and a fourth measurement signal are generated by the two subsensors of the second magnetic field sensor unit, whereby the third measurement signal is assigned a third relation and the fourth measurement signal is assigned a fourth relation. The angle of rotation is then determined. | 02-13-2014 |
20140046626 | ISING MODEL QUANTUM COMPUTATION DEVICE AND ISING MODEL QUANTUM COMPUTATION METHOD - This computation device and method exponentially shortens a computation time of an NP-complete problem or the like mapped into an Ising model by exponentially shortening a computation time of the Ising mode. For each pair of a plurality of slave lasers, by controlling the intensity, the polarization, and the phase of light exchanged between two slave lasers using an attenuator and a wave plate, the magnitude and the sign of pseudo Ising interaction between two slave lasers are implemented. Then, after the plurality of slave lasers arrive at a steady state, by measuring the polarization of light generated by each slave laser with left-handed circular polarization and right-handed circular polarization used as bases, a pseudo spin of each slave laser is measured. | 02-13-2014 |
20140074427 | METHOD AND APPARATUS FOR MONITORING THE CONDITION OF ELECTROMECHANICAL SYSTEMS - A method, apparatus and computer program for monitoring the condition of electromechanical systems in which electrical rotating machinery is used. The method includes measuring current and/or voltage signals, measuring an angular position of a rotating shaft of interest of the electromechanical systems or estimating the value of discrete angular position of a rotating shaft, synchronizing the current and/or voltage signals to the scaled angular displacement of the rotating shaft, dividing the synchronous electrical signals into intervals corresponding to each completed rotation of the rotating shaft, averaging a number of intervals of synchronous electrical signals to obtain an average synchronous electrical signal, extracting characteristic data of the magnitude from the values of the average synchronous electrical signal, and comparing the extracted characteristic data with a threshold limit to alarm the user when the limit is exceeded. | 03-13-2014 |
20140156221 | ANGULAR POSITION ENCODER FOR A ROTATING SHAFT - An angular position encoder for a rotating shaft is disclosed, in particular for application on the rotor shaft in wind turbines. A materialized measure in the form of a roller chain is arranged around the circumference of the shaft. A scanning head in the form of a sensor is arranged at a distance from the materialized measure and scans the surface of the materialized measure as the shaft is rotating. A measurement value evaluation unit processes recorded measurement values to give positional and/or speed data on the shaft. A method for determination and measurement of the rotor speed or position for a rotating shaft by means of the angular position encoder is also disclosed which includes determination and measurement of the rotor speed or position, creating or mapping at least one reference pattern or map of the chain, and a comparing the pattern and an actual measurement value. | 06-05-2014 |
20140163921 | ROTATION ANGLE DETECTION DEVICE - In a rotation angle detection device, each of an angular interval between a first magnetic sensor and a second magnetic sensor and an angular interval between the second magnetic sensor and a third magnetic sensor is 60° in electrical angle. When two magnetic sensors including the second magnetic sensor among the three magnetic sensors are operating properly, if the two properly operating magnetic sensors including the second magnetic sensor sense one and the same magnetic pole for a prescribed number of multiple consecutive sampling periods, the rotation angle is computed based on the output signals from the two magnetic sensors. When only the second magnetic sensor malfunctions, if the first and the third magnetic sensors sense one and the same magnetic pole for the prescribed number of multiple consecutive sampling periods, the rotation angle is computed based on the output signals from the two properly operating magnetic sensors. | 06-12-2014 |
20140163922 | ROTATION ANGLE DETECTION DEVICE - In a rotation angle detection device, when a condition that two sensors among three magnetic sensors sense one and the same magnetic pole for three consecutive sampling periods is satisfied, a rotation angle is computed based on output signals from the two sensors, sampled at three sampling timings. When the output signals sampled at the three sampling timings satisfy a prescribed requirement, an angular width error correction value corresponding to the magnetic pole sensed by the two sensors and amplitudes are computed, and stored in association with the magnetic pole. If the condition is not satisfied, the rotation angle is computed based on the information stored in a memory and the output signals from two sensors among the three magnetic sensors, the two magnetic sensors including one of the three magnetic sensors, which detects the magnetic pole of which the angular width error correction value is stored in the memory. | 06-12-2014 |
20140163923 | PHASE DIFFERENCE DETECTOR AND ROTATION ANGLE DETECTION DEVICE INCLUDING THE SAME - In a phase difference detector, a first phase difference computation unit computes a value of E(i)·C corresponding to one and the same given magnetic pole sensed by the two magnetic sensors with use of six output signals sampled at three different timings while the two magnetic sensors are sensing the given magnetic pole when a rotary body is rotating. E is an angular width error correction value, and C is a phase difference between two signals. The first phase difference computation unit executes this process until values of E(i)·C corresponding to all the magnetic poles are computed. After that, the first phase difference computation unit computes the phase difference between the output signals with use of the values of E(i)·C corresponding to all the magnetic poles and the number (m) of the magnetic poles. | 06-12-2014 |
20140172359 | ROTATION ANGLE DETECTION DEVICE - A rotation angle detection device includes resolvers | 06-19-2014 |
20140244210 | SYSTEM AND METHOD FOR REAL TIME DETERMINATION OF 3 AXIS ORIENTATION FROM REFERENCE VECTORS WITH VECTOR MISALIGNMENT ESTIMATION - A computer implemented method, program and system for determining the attitude of a vehicle from two sets of local frame and body frame reference vectors utilizing solution equations for Euler sequence angles associated with rotation of a vehicle about a local frame reference vector. In particular, the method, computer program and system determines the attitude at a rate amenable for real time system use in conjunction with a wide array of sensor input sources such as star tracking devices, and provides estimators for the error in the reference vectors usable for surveillance of sensory input quality by flight management systems. | 08-28-2014 |
20140278221 | Self-Contained Holonomic Tracking Method and Apparatus for Non-Destructive Inspection - A self-contained, holonomic motion tracking solution for supplementing the acquisition of inspection information on the surface of a structure, thereby enabling the real-time production of two-dimensional images from hand-held and automated scanning by holonomic-motion of non-destructive inspection (NDI) sensor units (e.g., NDI probes). The systems and methods disclosed enable precise tracking of the position and orientation of a holonomic-motion NDI sensor unit (hand-held or automated) and conversion of the acquired tracking data into encoder pulse signals for processing by a NDI scanning system. | 09-18-2014 |
20140278222 | COMPUTING A MAGNETIC HEADING - Techniques for computing a magnetic heading based on sensor data are described herein. An example of a device in accordance with the present techniques includes a magnetic sensor to collect sensor output data and a heading computation engine to compute a magnetic heading based on the sensor output data. The heading computation engine includes logic to measure a level of noise in the sensor output data. The heading computation engine also includes logic to determine whether to average the sensor output data based, at least in part, on the level of noise. The heading computation engine also includes logic to determine an applied sensor output based on the sensor output data. The heading computation engine also includes logic to compute a magnetic heading based, at least in part, on the applied sensor output. | 09-18-2014 |
20140278223 | DEVICE AND METHOD FOR DETECTING ABSOLUTE MULTI-TURN ROTATION ANGLE - The invention provides a device and method for detecting an absolute multi-turn rotation angle. The device comprises a housing, a cover plate and a rotating shaft, the rotating shaft being placed go through the housing. The rotating shaft is fixed with a main gear, the main gear is meshed with driven gears having a teeth number smaller than that of the main gear, the driven gears comprise a large driven gear and a small driven gear, the main gear is externally meshed with the large driven gear, the driven gears are connected with a two-stage speed reduction device which enables the rotating shaft to rotate multiple circles to slow down to a circle-number gear and enables the circle-number gear to rotate one circle only, both the driven gears and the circle-number gear are provided with bearings, the bearings have magnets therein, and the two magnets are relatively fixed with the driven gears and the circle-number gear, respectively, the top edges of the bearings fit with a PCB board, angle sensing chips which are fixed on the PCB board are above the magnets, the angle sensing chips are apart from the upper surfaces of the magnets by a fixed distance, the cover plate is fixed on the housing, and the housing and the cover plate fix the position of the PCB board by means of fitting. By the device and the method, the solution of the detected rotation angels is high; in addition, the algorithm is simple, and the fault-proofing capability is high. | 09-18-2014 |
20140278224 | Method and device for contactless sensing rotation and angular position using orientation tracking - Method and device for contactless sensing rotation and angular position using orientation tracking. 2.1 To improve the accuracy and possible resolution of a magnetic positioning system, a method and a device using a special tracking technique is proposed. 2.2 The method and the device are using multiple magnetic field sensing elements at different positions below a magnetic target. The sensed signals are used to select or combine the sensing elements for a best approach to the actual orientation of the magnet. This allows putting out the related orientation of the approach as a coarse value and the remaining displacement as a fine value. 2.3 A device using this method allows highly accurate measurement of angular positions controlling or tolerating the placement of a magnet as the input source. | 09-18-2014 |
20140303928 | Hand Tool Device - A hand tool device comprises a computing unit and at least one locating device configured to receive two orthogonal polarization directions of at least one reflected locating signal. The computing unit is configured to determine, from two received polarization directions of the reflected locating signal, an item of orientation information of a concealed, elongate object. | 10-09-2014 |
20140365167 | ANGLE DETECTION DEVICE AND ANGLE DETECTION METHOD - An angle detection device includes a vector generating unit that generates a vector based on the sine wave signals output by a plurality of sensors, a vector rotating unit that rotate the vector based on the vector and reference sine waves with different phases, a sign determining unit that determines whether the rotated vector is located in a positive direction or in a negative direction with respect to a predetermined reference angle and outputs a result of determination as a sign determination signal, and an angle counter that increments or decrements a count value of angular data of a predetermined bit length based on the sign determination signal, and outputs the count value as angular data. A deadband with a predetermined reference angle as a center is provided for a process performed by the sign determining unit to determine one of the positive direction and the negative direction. | 12-11-2014 |
20150012242 | PLANAR MOTOR ROTOR DISPLACEMENT MEASURING DEVICE AND ITS MEASURING METHOD - A planar motor rotor displacement measuring device and its measuring method are provided. The motor is a moving-coil type planar motor. The device comprises probes, two sets of sine sensors, two sets of cosine sensors, a signal lead wire and a signal processing circuit. The method is arranging two sets of magnetic flux density sensors within a magnetic field pitch τ along two vertical movement directions in the rotor located in the sine magnetic field area. Sampled signals of the four sets of sensors are respectively processed with a frequency multiplication operation, four subdivision signals are obtained, the zero-crossing points of the four subdivision signals are detected, and then two sets of orthogonal pulse signals are generated. The pulse number of the orthogonal pulse signals is counted, and phase difference of the two sets of orthogonal pulse signals is respectively detected. | 01-08-2015 |
20150019163 | ORIENTATION SENSING COMPUTING DEVICES - A computing device including orientation sensors is provided herein. The computing device includes a base and a lid pivotally attached to the base. The computing device also includes an orientation sensing system configured to determine an orientation of the base and the lid relative to an environment of the computing device. | 01-15-2015 |
20150032409 | METHOD AND APPARATUS FOR CALCULATING AZIMUTH - A method and an apparatus for calculating azimuth, and a method and an apparatus for determining an offset from geomagnetic field are provided. An apparatus for calculating azimuth includes a magnetic sensor configured to sense magnetic field, a data selecting unit configured to select offset data items, an offset calculating unit configured to calculate an offset by a geometrical method that uses the selected offset data items, and an azimuth calculating unit configured to calculate an azimuth by using the calculated offset. | 01-29-2015 |
20150046117 | METHOD FOR CONTACTLESSLY MEASURING A RELATIVE POSITION BY MEANS OF A 3D HALL SENSOR HAVING MEASUREMENT SIGNAL STORE - The present invention relates to a method for contactlessly measuring a relative position of a magnetic field source ( | 02-12-2015 |
20150057970 | METHOD AND DEVICE FOR DETERMINING A ROTOR POSITION OF AN ELECTRONICALLY COMMUTATED ELECTRIC MACHINE - A method is disclosed for determining a rotor position of an electrically excited electrical machine by injecting voltage test signals at a plurality of space vector angles with a fundamental frequency which lies in a frequency range in which there is a difference in admittance in space vector angles; calculating resulting values of an excitation current indicator variable as Fourier coefficients of the excitation current resulting from the voltage test signal with reference to the fundamental frequency of the voltage test signal at the corresponding space vector angles; and determining the rotor position on the basis of the profile of the excitation current indicator variable. | 02-26-2015 |
20150066426 | ROTATING FIELD SENSOR - A first, a second, and a third computing circuit respectively generate a first post-computation signal with a second harmonic component reduced as compared with first and second signals, a second post-computation signal with the second harmonic component reduced as compared with third and fourth signals, and a third post-computation signal with the second harmonic component reduced as compared with fifth and sixth signals. A fourth and a fifth computing circuit respectively generate a fourth post-computation signal with a third harmonic component reduced as compared with the first and second post-computation signals, and a fifth post-computation signal with the third harmonic component reduced as compared with the second and third post-computation signals. A sixth computing circuit determines a detected angle value based on the fourth and fifth post-computation signals. | 03-05-2015 |
20150066427 | CALIBRATED HARDWARE SENSORS FOR ESTIMATING REAL-WORLD DISTANCES - In some embodiments, methods and systems are provided for assisting a user in determining a real-world distance. Hardware-based sensors (e.g., present in a mobile electronic device) may allow for a fast low-power determination of distances. In one embodiment, one or more telemetry-related sensors may be incorporated into a device. For example, data detected by a frequently-calibrated integrated accelerometer may be used to determine a tilt of the device. A device height may be estimated based on empirical data or based on a time difference between a signal (e.g., a sonar signal) emitted towards the ground and a corresponding detected signal. A triangulation technique may use the estimated tilt and height to estimate other real-world distances (e.g., from the device to an endpoint or between endpoints). | 03-05-2015 |
20150088453 | DEVICE AND METHOD FOR DETERMINING THE ATTITUDE OF A SATELLITE, AND SATELLITE CARRYING SUCH A DEVICE - A device for determining the attitude or variation in attitude of a satellite fitted with an attitude control system comprising at least one inertial actuator. The inertial actuator comprises a rotary element mounted to rotate about an axis of rotation. The rotation of the rotary element is controlled to generate a torque to control controlling the attitude of the satellite. The angular sensor of the device measures the angular rotation of the rotary element about its axis of rotation. The computation unit determines the attitude or variation in attitude of the satellite induced by the rotation of the rotary element as a function of the measurements of angular rotation of the rotary element by the angular sensor. A satellite carrying such a device and a method for determining the attitude or variation in attitude. | 03-26-2015 |
20150094979 | MISALIGNMENT CALCULATION SYSTEM - A misalignment calculation system comprising a misalignment calculator for calculating a misalignment occurring in butt welding of end portions of a first steel pipe and a second steel pipe by using profile data measured in a circumferential direction on the first steel pipe end portion by presetting a first angle datum, and profile data measured in a circumferential direction on the second steel pipe end portion by presetting a second angle datum. The misalignment calculator calculates the misalignment amount in a state in which an angle formed between the first and second angle datums is adjusted to an input angle and in which the center of profile data showing an external surface geometry at the first steel pipe end portion is aligned with the center of the profile data showing an external surface geometry at an end portion of the second steel pipe so that misalignment can be evaluated. | 04-02-2015 |
20150094980 | VEHICLE POSITIONING - The invention relates to an inertial unit for being attached to a rotatable part of a vehicle, the rotatable part being coupled to a power equipment of the vehicle, the inertial unit including: at least one acceleration sensor and/or at least one magnetometer arranged to detect a tilting angle of the rotatable part, and/or at least one counter device arranged to detect rotations of the rotatable part, and at least one gyroscope arranged to detect directions at a rim level of the rotatable part for providing angular information for positioning. | 04-02-2015 |
20150112634 | ANGLE DETECTION DEVICE AND ANGLE DETECTION METHOD - An angle detection device which includes multiple sensors to output multiple sinusoidal signals having different phases according to the rotation angle of a rotating body; a rotation calculation device to detect the rotation angle based on the multiple sinusoidal signals and detect an amplitude of the multiple sinusoidal signals to output the amplitude of the multiple sinusoidal signals as amplitude signal; and an amplitude comparison device to compare the amplitude signal with a predetermined amplitude target value and output an amplitude error signal indicating the comparison result; wherein the error of amplitude of the multiple sinusoidal signals is corrected by increasing or decreasing a drive input of a sensor driving unit based on the amplitude error signal. | 04-23-2015 |
20150134293 | CAPSIZE RISK LEVEL CALCULATION SYSTEM - Provided is a capsize risk level calculation system which can calculate a capsize risk level providing an index of the capsize risk on an oscillation of hull without using hull information. This system includes an acceleration sensor detecting a reciprocating motion in an up-down direction of a vessel as an oscillation in an up-down direction of a virtual oscillation center axis; an angular velocity sensor detecting a simple pendulum motion in a rolling direction around the vessel center axis as a simple pendulum motion of the vessel COG around the oscillation center axis; and an arithmetic part calculating a capsize risk level from an oscillation radius connecting between the oscillation center axis and the vessel COG, and a capsize limit oscillation radius connecting between the oscillation center axis and the vessel metacenter, which are obtained on the results of detection by the acceleration sensor and the angular velocity sensor. | 05-14-2015 |
20150134294 | ATTITUDE CALCULATION APPARATUS AND ATTITUDE CALCULATION METHOD - An attitude calculation apparatus includes a gyro sensor that detects angular velocity in a first coordinate system for an inertial coordinate system, of a living body or a moving object which moves by using energy of the living body as a power source, an attitude change calculation unit that calculates an attitude change of the moving object on the basis of the angular velocity which is input at a first frequency f1, and an attitude update unit that updates an attitude of the moving object on the basis of the attitude change which is input at a second frequency f2, in which the first frequency and the second frequency satisfy f1>f2≧20 Hz. | 05-14-2015 |
20150142376 | PERPENDICULAR GRADIOMETRIC ANGLE SENSORS, SYSTEMS AND METHODS - Embodiments relate to magnetic field sensors, such as gradiometric magnetic field angle sensors with generally on-axis arrangements of sensor elements relative to a rotation axis of a magnet. In one embodiment, an angle sensor is arranged on-axis with respect to the rotation axis of a magnet that generates a magnetic field that can be detected by the angle sensor and analyzed to determine an angular position of the magnet. The sensor can comprise a plurality of sensor elements, such as two sensor elements, arranged on a substrate or die in a sensor package. As it rotates, the magnet generates a magnetic field, such as an inhomogenous magnetic field having a component perpendicular to the rotation axis and acting on the angle sensor. The plurality of sensor elements can detect this and other components, for example as a gradiometric sensor in which each element senses at least one component at its respective location, and the signals from the elements are compared to estimate or determine an angular position or degree of movement of the magnet. | 05-21-2015 |
20150142377 | ENCODER SYSTEM, SIGNAL PROCESSING METHOD, AND TRANSMISSION SIGNAL GENERATION AND OUTPUT DEVICE - An encoder system includes a signal processing circuit including: (1) a first position data detection circuit that detects first position data representing positional displacement in rotation of an input shaft through first predetermined signal processing based on a first detection signal input from a first absolute position encoder; (2) a second position data detection circuit that detects second position data representing positional displacement in rotation of an output shaft through second predetermined signal processing based on a second detection signal input from a second absolute position encoder; (3) a position data combination circuit that combines the first and second position data to generate combined position data representing the number of rotations of the input shaft and the positional displacement within one rotation of the input shaft; and (4) a position data comparing and collating circuit that compares and collates the first and second position data. | 05-21-2015 |
20150149112 | Multiturn Rotary Encoder - A multiturn rotary encoder includes: a single-turn unit, including a code carrier that is able to be scanned by a single-turn scanner in order to generate single-turn position signals, and a single-turn evaluation unit for processing the single-turn position signals to form at least one single-turn code word that indicates the absolute position of an input shaft within one revolution; a first multiturn unit dependent on a power supply, including at least a first multiturn code carrier that is able to be scanned by a first multiturn scanner in order to generate first multiturn position signals, and a first multiturn evaluation unit for processing the first multiturn position signals to form a first multiturn code word that indicates the number of revolutions executed by the input shaft; and a second multiturn unit independent of a power supply, including at least a second multiturn code carrier that is able to be scanned by a second multiturn scanner in order to generate second multiturn position signals, and a second multiturn evaluation unit for processing the second multiturn position signals to form a second multiturn code word which likewise indicates the number of revolutions executed by the input shaft. The value of the first multiturn code word of the first multiturn unit in an initialization phase after the power supply of the multiturn rotary encoder has been switched on is able to be referenced with the value of the second multiturn code word. | 05-28-2015 |
20150308827 | ROLL ANGLE ESTIMATION DEVICE AND TRANSPORT APPARATUS - Arithmetic circuitry of a roll angle estimation device estimates a roll angle, a pitch angle a pitch angular velocity of the moving body and at least one offset error of angular velocity detectors and acceleration detectors. In a current estimation operation, the arithmetic circuitry estimates the roll angle, the pitch angle, and the pitch angular velocity and the at least one offset error, based on detection values of the angular velocity detectors, detection values of the acceleration detectors, a detection value by the velocity detector, estimated values of the roll angle, pitch angle, and pitch angular velocity from a previous estimation operation, and an estimated value of the at least offset error from the previous estimation operation. | 10-29-2015 |
20150314166 | USE OF GYROSCOPES IN PERSONAL FITNESS TRACKING DEVICES AND BICYCLING ACTIVITIES - Biometric monitoring devices, including various technologies that may be implemented in such devices, are discussed herein. Additionally, techniques for utilizing gyroscopes in biometric monitoring devices are provided. Such techniques may, in some implementations, involve obtaining swimming metrics regarding stroke cycle count, lap count, and stroke type. Such techniques may also, in some implementations, involve obtaining performance metrics for bicycling activities. | 11-05-2015 |
20150316371 | METHOD FOR DETERMINING THE ABSOLUTE POSITION OF A LINEAR ACTUATOR - A method for determining the absolute position of a linear actuator is described. In the process, the rotational angle position of the rotor of the corresponding electric motor of the linear actuator is determined by a first sensor. In addition, the rotary angle position of a transmitter wheel of a second sensor coupled to the rotor is determined by means of a special transmission ratio. The absolute position of the linear actuator is derived from the differential value of the determined rotary angle positions. The method can be implemented in a simple and inexpensive manner. | 11-05-2015 |
20150338239 | ABSOLUTE ENCODER - Provided is an absolute encoder that includes a scale in which a plurality of marks including a plurality of types of marks is arrayed with a gap and a period; a detector including a plurality of elements and configured to detect marks of the plurality of marks with the plurality of elements; and a processor configured to: generate a data sequence by quantizing periodic signals with a plurality of periods obtained by the detector with respect to each of the plurality of periods, and generate a first position data based on the data sequence; generate a second position data corresponding to a phase of a signal obtained by decreasing values of the periodic signals with respect to both end portions thereof; and generate data representing the absolute position based on the first position data and the second position data. | 11-26-2015 |
20150345929 | METHOD FOR DEFINING THE CURVE OF A TUBULAR STRUCTURE - A method for determining the bend of a tubular structure, including determining the inclination of first and second rigid objects fixed in distinct locations along the tubular structure. The method includes supplying accelerometers (A | 12-03-2015 |
20150354958 | THE CALCULATION METHOD REQUIRING A ROTARY INFORMATION, THE ROTATIONAL CALCULATION PROGRAM THE MAGNETIC GYROSCOPE AND THE MOBILE DEVICE - A rotary information computation method eliminate measurement lag of a magnetic gyroscope. This method determines the angular velocity vector of a moving body divided into the magnitude and direction (rotation axis vector) thereof. The method for computing the rotation axis vector is altered depending on whether the rotational mode of the moving body is a stationary axis rotational mode or a free axis rotational mode. If in stationary axis rotational mode, the rotation axis vector is determined by the outer product of two difference vectors. If in free axis rotational mode, the determination is made by calculating the outer product of a difference vector and a radius vector on the basis of a set instantaneous rotational coordinate system. At such time, the rotation axis vector (ni−1) calculated at a time (ti−1) is used (i.e, as feedback) to compute the rotation axis vector (ni) at the following time (=ti−1+Δt). | 12-10-2015 |
20150354962 | Method and Apparatus for Handling Vertical Orientations of Devices for Constraint Free Portable Navigation - The present disclosure relates to a method and apparatus for enhancing a navigation solution of a device within a platform (such as for example person, vehicle or vessel), wherein the mobility of the device may be constrained or unconstrained within the platform, and wherein the device can be tilted to any orientation including vertical or near vertical orientations, while still providing a seamless navigation solution. This method can enhance navigation solutions utilizing measurements from sensors (such as, for example, accelerometers, gyroscopes, magnetometers, etc.), whether in the presence or in the absence of absolute navigational information (such as, for example, GNSS or WiFi positioning). | 12-10-2015 |
20160003615 | SYSTEM AND METHODS FOR A SMART WATER BOTTLE CONVERTER - A method and system may track liquid consumption by a user from a liquid container using a flexible, network-connected, smart band. The smart band may detect orientations of the liquid container and identify sips taken by a user based on a pattern in the detected orientations. The smart band may also estimate a liquid consumption metric based on characteristics of the identified sips such as the duration of the sip. The identified sip as well as sip characteristics and the liquid consumption metric may be displayed on the smart band, and also may be transmitted to a server for storage and for display on another network-enabled device. | 01-07-2016 |
20160010984 | COMPUTER-IMPLEMENTED METHODS AND COMPUTER SYSTEMS/MACHINES FOR IDENTIFYING DEPENDENT AND VEHICLE INDEPENDENT STATES | 01-14-2016 |
20160018220 | METHOD AND CONTROL UNIT FOR DETERMINING AN ANGLE BETWEEN LONGITUDINAL AXES OF A VEHICLE COMBINATION - A method for determining an angle between a longitudinal axis of a first, leading component vehicle and a longitudinal axis of a second, trailing component vehicle. For at least one wheel axle or wheel axle group of the first, leading component vehicle a travel speed and/or an angular speed of the wheel axle or wheel axle group concerned is determined, and for at least one wheel axle or wheel axle group of the second, trailing component vehicle a travel speed and/or an angular speed of the wheel axle or wheel axle group concerned is determined. From the travel speeds and/or angular speeds determined for the wheel axles or wheel axle groups of the first, leading component vehicle and of the second, trailing component vehicle, the angle between the longitudinal axes of the first, leading component vehicle and the second, trailing component vehicle is then calculated. | 01-21-2016 |
20160020066 | Device and Method for Computing Angular Range for Measurement of Aberrations and Electron Microscope - A device which computes an angular range of illumination of an electron beam in which aberrations in an optical system can be measured efficiently by a tableau method. The device ( | 01-21-2016 |
20160054114 | ALL-IN-ONE INTEGRATED SENSING DEVICE FOR MACHINE CONTROL - An integrated sensing device with a suite of sensors assists construction machine operators in finding the correct level to dig a ditch/trench. The sensing device includes a gravity sensor to determine angles, a laser distance meter (LDM), and a laser receiver for detecting a known jobsite elevation. The sensing device is mounted to the dipper stick of an excavator; the gravity sensor detects the angle of the stick, and the laser receiver detects a laser plane of light that represents a known jobsite elevation. The LDM is aimed at another member of the machine that moves in a predetermined path as the bucket is rotated, to and the distance between the LDM and the target member is used to calculate the vertical elevation of the working tool edge. A display graphically shows the operator the proper dig depth and the present position of the working tool edge. | 02-25-2016 |
20160057269 | OFFSET ESTIMATION APPARATUS, OFFSET ESTIMATION METHOD, AND COMPUTER READABLE MEDIUM - To quickly and accurately measure offset of an angular velocity sensor mounted in a mobile device, provided is an offset estimation apparatus including an acquiring section that acquires an output signal of an angular velocity sensor mounted in a mobile device; an offset estimating section that estimates an offset of the angular velocity sensor based on a first AC component included in the output signal of the angular velocity sensor in a period during which a level of the first AC component cycles; a hold state judging section that judges a hold state of the mobile device; and a control section that controls whether the offset estimating section estimates the offset of the angular velocity sensor, according to a judgment result of the hold state judging section. | 02-25-2016 |
20160061635 | MAGNETIC POLE POSITION DETECTION DEVICE OF PERMANENT MAGNET-TYPE SYNCHRONOUS MOTOR - A magnetic pole position detection device of a permanent magnet-type synchronous motor detects, through a current draw-in operation, an amount of deviation between an origin of a magnetic pole position of a permanent magnet that makes up a rotor of a permanent magnet-type synchronous motor, and an origin of an output signal of a magnetic pole position sensor, and correcting the output signal of the magnetic pole position sensor on the basis of the amount of deviation, to thereby detect a true magnetic pole position. The detection device computes a phase current I | 03-03-2016 |
20160084648 | Three Dimensional Angle Measuring Device - The invention disclosed a three dimensional angle measuring device for measuring and correcting horizontal, vertical and other angle states of an object. The invention includes a housing, a key module, a power module, a display module, an information processing module, a buzzing module and a sensor module, wherein the power module is connected with the information processing module and the key module, the information processing module is connected with the key module, the display module, the information processing module, the buzzing module and the sensor module. The invention has characteristics of high measurement precision, easy operation and more functions. When in use, it just needs to place the invention on a test plane, then the present angle can be displayed precisely, and the precision can reach ±0.10°; the invention also has functions such as calibration, locking, resetting and calculator, thus avoiding daily tedious operation. | 03-24-2016 |
20160102996 | PHASE-LOCKED LOOP (PLL)-TYPE RESOLVER/CONVERTER METHOD AND APPARATUS - An apparatus and method for determining an angle ψ an estimate of a true angle θ from a resolver excitation signal V | 04-14-2016 |
20160103001 | METHOD OF INTERPOLATING READ-OUT SIGNAL OF INCREMENTAL ENCODER - A rotation angle “θ” is calculated by means of an operational equation below by using a count value Ttrig i of a clock signal stored at a timing of the rise of a trigger signal output during the scanning operation of a three-dimensional scanner 1, a count value “i” of the pulsed angle signal counted immediately before the counting, count values Ti and Ti+1 of the clock signal stored at a timing of the rise of the respective angle signals which rise before and after the rising, and an angular pitch “λ” which is an angle of one pitch of plenty of slits acting as a main scale and disposed at regular intervals formed along a circular circumference of a dial board 11. | 04-14-2016 |
20160103207 | ANGLE ESTIMATING APPARATUS AND ANGLE ESTIMATING METHOD - A receiving circuit uses a weight set by calibration to weight signals incident to receiving elements. A storing unit stores a measured value of a mode vector reflecting characteristics of the receiving circuit in an error-free state of the weight for the receiving circuit characteristics and further correlates and stores an incident signal angle estimated by an estimating unit, and for the error-free state, a calculation result of an evaluation value by an evaluation function capable of calculating the evaluation value, which varies according to the incident signal angle and error. A detecting unit calculates the evaluation value based on the stored measured value of the mode vector and the evaluation function and detects an occurrence of the error based on comparison of the calculated evaluation value and the stored evaluation value, when the estimated incident signal angle corresponds to a value close to the stored incident signal angle. | 04-14-2016 |
20160134213 | ESTIMATION SYSTEM FOR ROTOR INFORMATION - Disclosed is a rotor information estimation system including a resolver configured to measure a rotor location of a motor; a proportional-integral observer based on the motor and configured to estimate the rotor location of the motor; and an error calculator configured to calculate an error of the rotor location measured by the resolver using the rotor location estimated by the proportional-integral observer. The proportional-integral observer may estimate rotor information of the motor by performing an operation on the calculated error based on a characteristic of the motor. | 05-12-2016 |
20160138505 | METHOD FOR SIMULATING A CRANKSHAFT SIGNAL OF AN INTERNAL COMBUSTION ENGINE FROM A CAMSHAFT SIGNAL OF THE INTERNAL COMBUSTION ENGINE - In a method for simulating a crankshaft signal of an internal combustion engine from a camshaft signal, in a normal operating mode of the engine, for at least one rotational speed range and/or for at least one operating state of the engine all tooth times of the teeth of a crankshaft position encoder wheel are trained, and, from these, for each tooth a correction factor is calculated for the corresponding rotational speed range and/or operating state, and in an emergency operating mode of the engine, the crankshaft position is determined from the camshaft signal, and subsequently the crankshaft signal is simulated by determining an average period duration of each tooth of the crankshaft position encoder wheel from the camshaft signal, and multiplying in each case by the correction factor for this tooth. | 05-19-2016 |
20160161254 | IC FOR SENSOR, SENSOR DEVICE, ELECTRONIC DEVICE, AND MOVING OBJECT - An IC for a sensor includes a detection unit which detects an angular velocity signal of a moving object based on a signal from a sensor element, an AD conversion unit which converts an analog signal from the detection unit into a digital signal, and a posture variation calculating unit which calculates a variation in posture of the moving object during a predetermined period based on the signal from the AD conversion unit. | 06-09-2016 |
20160169680 | Method and Apparatus for Calculating Rotation Angle of Device | 06-16-2016 |
20160169707 | ROTATING FIELD SENSOR | 06-16-2016 |
20160175647 | EXERCISE ANALYSIS DEVICE, EXERCISE ANALYSIS SYSTEM, EXERCISE ANALYSIS METHOD, DISPLAY DEVICE, AND RECORDING MEDIUM | 06-23-2016 |
20160175648 | EXERCISE ANALYSIS DEVICE, EXERCISE ANALYSIS SYSTEM, EXERCISE ANALYSIS METHOD, DISPLAY DEVICE, AND RECORDING MEDIUM | 06-23-2016 |
20160175649 | EXERCISE ANALYSIS DEVICE, EXERCISE ANALYSIS METHOD, PROGRAM, RECORDING MEDIUM, AND EXERCISE ANALYSIS SYSTEM | 06-23-2016 |
20160175650 | INCLINATION DETERMINATION DEVICE, INCLINATION DETERMINATION SYSTEM, INCLINATION DETERMINATION METHOD, EXERCISE ANALYSIS DEVICE, EXERCISE ANALYSIS SYSTEM, EXERCISE ANALYSIS METHOD, AND RECORDING MEDIUM | 06-23-2016 |
20160187129 | MOBILE DEVICE IN-VEHICLE LOCALIZATION USING INERTIAL SENSORS - Methods of determining a position of a mobile device in a vehicle are disclosed. An angular velocity of the vehicle, at a turning time while the vehicle is turning, may be determined according to input from an inertial sensor system of a first mobile device. A longitudinal acceleration, at the turning time, of linear acceleration along a longitudinal axis of the vehicle, may be determined according to input from the inertial sensor system. A lateral acceleration, at the turning time, of linear acceleration along a lateral axis perpendicular to the longitudinal axis, also may be determined according to input from the inertial sensor system. A first distance from the first mobile device to a rear axle of the vehicle may be calculated, based at least in part on the angular velocity, the longitudinal acceleration and the lateral acceleration. | 06-30-2016 |
20160377427 | DIGITAL CIRCUITRY AND METHOD FOR CALCULATING INCLINOMETER ANGLES - A method is disclosed for performing calculations for an inclinometer device, as is a digital circuitry for performing such calculations. The circuitry comprises an interface for receiving detection signals from a sensor device and a CORDIC unit for performing calculation of inclinometer output values characterizing a resultant vector. The CORDIC calculation unit is configured to perform a calculation for resolving the angle between a resultant vector and a programmable reference value using hyperbolic CORDIC calculation. Pre-rotation may be performed for a vector before hyperbolic CORDIC arctangent calculation phases. | 12-29-2016 |
20180022386 | ANGLE SENSOR AND ANGLE SENSOR SYSTEM | 01-25-2018 |
20180023975 | Method of Determining A Direction of Rotation and Valid Transitions of Quadrature Pulses | 01-25-2018 |