| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 702152000 | 3D position | 73 |
| 20090138231 | INSPECTION ARTIFACTS, SYSTEMS AND METHODS FOR FUSING MULTI-MODALITY INSPECTION DATA - An inspection artifact includes a central portion and multiple optical and coordinate measurement machine (CMM) alignment features arranged on the central portion. The optical and CMM alignment features are configured to align the coordinates for an optical or a CMM measurement system to a common coordinate system. Another inspection artifact includes a central portion and multiple computed tomography (CT) alignment features arranged on the central portion. The CT alignment features are configured to align the coordinates for a CT system to a common coordinate system. | 05-28-2009 |
| 20130080111 | SYSTEMS AND METHODS FOR EVALUATING PLANE SIMILARITY - Systems and methods for determining plane similarity are provided. In one embodiment a system comprises a sensor configured to acquire a plurality of frames of data, and a processing unit coupled to the sensor, the processing unit configured to process the plurality of frames of data. The processing unit is further configured to store the plurality of frames of data on at least one memory device, read a first frame of data from the plurality of frames stored on the at least one memory device, and read a second frame of data from the plurality of frames stored on the at least one memory device. Additionally, the processing unit is configured to extract a first plane from the first frame of data, extract a second plane from the second frame of data, and calculate a divergence to measure a similarity between the first plane and the second plane. | 03-28-2013 |
| 20090171618 | Surveying system - The present invention provides a surveying system, which comprises a surveying instrument | 07-02-2009 |
| 20100042361 | METHOD AND APPARATUS FOR AN AIRCRAFT LOCATION POSITION SYSTEM - A computer implemented method for identifying location information of an unknown point on an aircraft. The unknown point on the aircraft is identified. A plurality of reference points is identified for the aircraft located in a three-dimensional model of the aircraft, wherein the plurality of reference points have known locations described using a three-dimensional coordinate system to form a plurality of identified reference points. The plurality of identified reference points is displayed on a set of images of the aircraft. A measurement of distance to each of the plurality of identified reference points is obtained to form a plurality of measurements in response to displaying the plurality of identified reference points on the set of images. The location information of the unknown point is identified using the plurality of measurements. | 02-18-2010 |
| 20130073253 | STATE ESTIMATION APPARATUS AND OFFSET UPDATE METHOD - A state estimation apparatus has a plurality of sensors including a three-dimensional magnetic sensor for detecting magnetic components. A Kalman filter is used to update a state vector based on an observation residual. The state vector has components representing a plurality of state variables which include a state variable for estimating an offset of the magnetic data. A central point calculation unit assumes that coordinates indicated by a predetermined number of the magnetic data probabilistically distribute in the vicinity of a spherical surface, and calculates a central point of the spherical surface. The Kalman filter updates the state variable for estimating an offset of the magnetic data using the central point of the spherical surface. | 03-21-2013 |
| 20090030648 | Apparatus and Method of Measuring Workpieces - A method and apparatus for measuring a surface using a surface sensing device mounted on a scanning head on a member of a coordinate positioning apparatus. The coordinate positioning apparatus may be operated to produce relative movement between the scanning head and the surface profile and the scanning head includes a drive for producing rotational movement of the surface sensing probe about one or more axis. A desired measurement profile on the surface which the surface sensing device will track and the desired motion of the orientation of the surface sensing device as the surface' sensing device follows the measurement profile are defined. This data is used to derive the required path of the relative motion between the member of the coordinate positioning apparatus and the surface, such that the surface sensing device prescribes a trajectory along the measurement profile. | 01-29-2009 |
| 20090030647 | System and Method for Using Structured Shapes to Increase Laser Scanner Accuracy - A system and method for determining the rectangular coordinate position of a first object spaced apart from and opposing a second object by placing at least three three-dimensional structures at different known locations on the top surface of the first object and a corresponding number of pulse transceivers at known locations on the bottom surface of the second object, directing a series of pulses having a known speed from each of the transceivers along a path crossing the highest point of a corresponding one of the structures, determining the shortest and second shortest distances travelled by the transmitted pulses and using that data together with other known data to locate edges of the first object and calculate the rectangular coordinate position of the first object with respect to the second object. | 01-29-2009 |
| 20090043533 | METHODS AND SYSTEMS FOR AUTOMATED PLY BOUNDARY AND ORIENTATION INSPECTION - A method for determining the positional laydown accuracy of an automated lamination machine during fabrication of a multiple layered part is described. The method includes measuring a position of a placement head of the lamination machine in a coordinate system, determining a location of a ply edge with respect to the placement head, transforming the location of the ply edge into the coordinate system, based on the measured head position, transforming the location of the ply edge from the coordinate system into a second coordinate system that is associated with the part being fabricated, and comparing actual ply edge location in the second coordinate system to an expected ply edge location defined in the second coordinate system, the second coordinate system associated with the part being fabricated, to determine the laydown accuracy of the machine. | 02-12-2009 |
| 20110295552 | METHOD AND APPARATUS FOR FORMING BEARING COURSE OF TRAFFIC ROUTE - In the method an existing surface of a bearing course ( | 12-01-2011 |
| 20090299688 | METHOD FOR DETERMINING A VIRTUAL TOOL CENTER POINT - In order to determine a virtual sensor tool center point sensor TCP of a light section sensor, the invention provides that: the sensor TCP is placed in sufficient concordance with a point on a line on a surface a so-called feature of a reference part with a known location; a normal to the surface of the reference part is determined; the Z direction of the sensor is brought in concordance with the normal of the surface of the reference part, and; a defined alignment of the sensor with the line of the feature is determined. | 12-03-2009 |
| 20090187373 | PORTABLE COORDINATE MEASUREMENT MACHINE WITH INTEGRATED LINE LASER SCANNER - A portable coordinate measurement machine for measuring the position of an object in a selected volume comprises includes an a positionable articulated arm having a plurality of jointed arm segments. The arm includes a measurement probe having an integrated line laser scanner mounted thereon. The laser may be a fiber coupled laser. Wireless data transfer and communication capability for the CMM is also possible. | 07-23-2009 |
| 20090222237 | Geographical data collecting device - The present invention provides a geographical data collecting device, comprising a distance measuring unit | 09-03-2009 |
| 20090287450 | VISION SYSTEM FOR SCAN PLANNING OF ULTRASONIC INSPECTION - A system and method for the analysis of composite materials. Structured light measurements are used to determine the 3-dimensional shape of an object, which is then analyzed to minimize the number of scans when performing laser ultrasound measurements. | 11-19-2009 |
| 20100138185 | DEVICE FOR THREE-DIMENSIONALLY MEASURING BLOCK AND SYSTEM HAVING THE DEVICE - The 3D measurement device for measuring a block includes: a first sensor for sensing location information of itself; one or more second sensors for measuring relative distances from the block; and an absolute location calculation unit for calculating absolute location values at respective points of the block using the location information sensed by the first sensor and the relative distances measured by the second sensors. | 06-03-2010 |
| 20100145653 | METHOD AND APPARATUS FOR DIMENSIONALLY MEASURING BY MEANS OF COORDINATE MEASURING INSTRUMENTS - A method and an apparatus for dimensionally measuring parts by means of a coordinate measuring instrument. In order enable measurement of parts that are made of different materials with great accuracy, a computerized tomography sensor is integrated into the coordinate measuring instrument. | 06-10-2010 |
| 20080249737 | OSCILLATING SCANNING PROBE WITH CONSTANT CONTACT FORCE - A method for scanning a surface of a workpiece using a scanning probe | 10-09-2008 |
| 20080228438 | METHOD OF RECOGNIZING AND TRACKING A SPATIAL POINT - The present invention relates to a method of recognizing and tracking a spatial point, and more particularly to a method of using a point light source and a spatial point recognition device to measure the coordinates of the point light source and the coordinates of the convergent point of the spatial point recognition device based on the principle of parallax of human eyes, as as to achieve the purpose of recognizing the position of a spatial point. Further, the spatial point recognition device is capable of moving the convergent point, such that the coordinates of the convergent point are superimposed onto the coordinates of the point light source, so as to achieve the purpose of tracking a spatial point automatically. At the same time, the spatial point recognition device can also receive the coordinates of a new convergent point to reset the position of the convergent point, so as to achieve the purpose of resetting the convergent point. | 09-18-2008 |
| 20080288207 | METHOD FOR GENERATING PSEUDO-RANDOM PATTERN DESIGNS FOR OPTICAL POSITION DETERMINATION SYSTEMS - A method for generating a pseudo-random pattern of dots to be patterned on a surface including the steps of receiving surface input parameters for the surface, selecting dot locations for the pseudo-random pattern of dots for at least a portion of the surface based on the surface input parameters, and outputting coordinates for dot centers based on the dot locations. | 11-20-2008 |
| 20090177438 | Apparatus and method for relocating an articulating-arm coordinate measuring machine - A measurement apparatus, system and method for measuring objects which is easily relocatable about the object is described. The system uses an articulated-arm coordinate measuring machine (CMM) and a laser tracker. A retroreflector for use with the laser tracker is located on the arm of the articulated-arm (CMM). A common coordinate frame of reference can be determined for the CMM and the laser tracker so that the CMM can be moved. Also, points hidden from the laser tracker can be measured for example with the CMM. | 07-09-2009 |
| 20090187374 | WIRELESS POSITION SENSING IN THREE DIMENSIONS USING ULTRASOUND - According to various embodiments, the invention provides a method for establishing communication between a computer program in a computing system and a controller held in a hand of a user, comprising: capturing image data in a capture area in front of a display, the capturing configured to identify a two-dimensional location of the controller in the capture area; and capturing one-way sound communication between a location proximate to the display and a location at the controller, the sound communication being used to compute a third-dimensional location of the controller in the capture area. | 07-23-2009 |
| 20110144941 | POSITION DETERMINATION BASED ON PROPAGATION DELAY DIFFERENCES OF MULTIPLE SIGNALS RECEIVED AT MULTIPLE SENSORS - Methods and systems to determine at multi-dimensional coordinates of an object based on propagation delay differences of multiple signals received from the object by each of a plurality of sensors. The signals may include optical signals in a human visible spectrum, which may be amplitude modulated with corresponding frequency tones. An envelope may be detected with respect to each of the sensors, and signals within each envelope may be separated. A phase difference of arrival may be determined for each of the signals, based on a difference in propagation delay times of the signal with respect to multiple sensors. The phase differences of arrival may be converted to corresponding distance differences between a corresponding transmitter and the corresponding sensors. A linear distance and a perpendicular offset distance may be determined from a combination the distance differences, a distance between the corresponding transmitters, and a distance between the corresponding sensors. | 06-16-2011 |
| 20090082992 | METHOD FOR DETERMINING POSITIONS OF POINTS TO BE MEASURED - A position determination method for a set of new points to be surveyed, using a geodetic device and reference points whose positions in an absolute coordinate system are known. The position determination is effected by referencing the new points relative to a set of reference points and measurement of the reference points and of the new points in a relative coordinate system for referencing by the geodetic device—relative measured quantities being registered. Furthermore, the new points and the reference points are updated by successive addition in each case of the measured new points and reference points to the set of new points and set of reference points, respectively, and updating the position determination of the new points taking into account all of the respective actual reference points is effected if a specified minimum coefficient of determination for the referencing is ensured by the actual set of reference points. | 03-26-2009 |
| 20090099812 | Method and Apparatus for Position-Context Based Actions - A method and apparatus for utilizing acceleration data to identify an orientation of a mobile device. The orientation of the mobile device used to perform position-context dependent actions. | 04-16-2009 |
| 20080319707 | ADAPTIVE MULTI-AXIS SENSOR ARRAY - A sensor array made up of 2 n piezoelectric oscillators (preferably paired quartz oscillators) is provided in which n equals the number of axes of interest and each one of the pairs of oscillators has a principle axis directed oppositely from the other of its pair. A controller which preferably includes a microprocessor, makes use of the dynamic relationships of the sensors in the array to adaptively assess the magnitude of weighting factors needed to correct the output signal from each oscillator for environmental and systematic effects to provide optimum frequency and phase output for computing position, velocity, and acceleration. Preferably, a seventh reference oscillator is provided in the center of the array which is canted relative to each of the three orthogonal axes by 45°. This adaptive sensor array is capable of determining position within one meter along any of the x, y, and z axes without the need for any external (e.g., GPS) signal. In addition, unlike other sensor systems, it is capable of providing local vertical on a continuous basis. The array can also determine if an object is moving in any translational or rotational direction, within the measurement capabilities of the system. | 12-25-2008 |
| 20090210193 | Person location detection apparatus and air conditioner - A person location detecting apparatus according to the present invention includes a light emitting section for radiating a projection light and a TOF method distance image sensor for receiving a reflected light from a room space of the projection light to output distance information in accordance with a distance to an object in the room space from each of a plurality of light receiving sections, and further includes a distance change detecting section for detecting a distance change to the object in the room space based on the distance information from the TOF method distance image sensor and a person distinguishing section for distinguishing a person by specifying a shape of a detected distance change area to detect a direction and distance to the distance change area that is specified as a shape of a person as a location of a person. | 08-20-2009 |
| 20090248353 | SYSTEM AND METHOD FOR SIMULATING MOVEMENT OF AN IMAGE MEASURING MACHINE - A method for simulating movement of an image measuring machine is provided. The method includes obtaining vertex coordinates of the image measuring machine and features that need to be generated, creating an initial model of the image measuring machine. The features comprise parts of a top cover, a lens, a workplace, and a holder of the image measuring machine. The method further includes obtaining a displacement of each part of the image measuring machine, calculating new vertex coordinates of each part, generating the features of the top cover, the lens, the workplace, and the holder according to the new vertex coordinates, so as to create a new model of the image measuring machine, and displaying the new model of the image measuring machine on a display device. | 10-01-2009 |
| 20090076771 | SYSTEM AND METHOD FOR FOCUSING DISCRETE POINTS ON AN UNDER-MEASURED OBJECT - A method for focusing discrete points on an under-measured object is provided. The method includes: (a) receiving an image of the object, selecting measurement points on the image, and obtaining X, Y coordinate values of the measurement points; (b) searching a solid point on the under-measured object according to the X, Y coordinate value of one of the measurement points, wherein the solid point corresponds to the measuring point; (c) emitting a laser light to the solid point for computing a vertical distance “h” between the laser aid and the solid point; (d) computing a Z coordinate value of the measurement point according to the “h”; repeating step (b) to step (d) until all the Z coordinate values of the measurement points have been computed; and (e) focusing the solid points according to the X, Y and Z coordinate values of the measurement points. A related system is also provided. | 03-19-2009 |
| 20090043535 | SYSTEM AND METHOD FOR SCANNING AND OBTAINING POINTS OF AN OBJECT - A computer-implemented method for scanning and obtaining points of an object is provided. The method includes defining a measuring distance between two points of an object and scanning the measuring distance according to an optimal measuring position. If coordinate values of each of the scanned points are valid, then the method send the obtained coordinate values to an electronic device if the obtained coordinate values are valid. | 02-12-2009 |
| 20090070065 | POSITION MEASUREMENT SYSTEM, POSITION MEASUREMENT METHOD AND COMPUTER READABLE MEDIUM - The position measurement system includes: an image capturing unit capturing first reference points which are three reference points on a plane arranged on a target and whose positional relation with each other is specified, and a second reference point which is a single reference point at a distance away from the plane and whose positional relation with the first reference points is specified; an identifying unit identifying images of the first and second reference points based on the positional relation among the images; and a calculating unit calculating a three-dimensional position and triaxial angles of the target based on the positional relation between the images of the first and second reference points. The calculating unit specifies the plane including the first reference points on the target from the images of the first reference points and a normal direction of the plane according to the image of the second reference point. | 03-12-2009 |
| 20100318322 | Methods and Systems for Locating Targets - A system target location includes one or more sensors operable to determine a location of a target and generate a set of coordinates corresponding to the target. The system further includes a system controller operable to receive one or more sets of coordinates from the one or more sensors, generate a combined estimate of the target location, and validate that each of the sets of coordinates correspond to the same target. | 12-16-2010 |
| 20110040523 | METHOD AND PROGRAM FOR IDENTIFYING ERRORS - A method for identifying geometric errors with respect to at least two translational axes and at least one rotational axis of a machine using a control device is disclosed. The method comprises the steps of: measuring positions of a jig in three-dimensional space using a position measurement sensor, wherein a measurement is carried out when the jig being indexed around the rotational axis by a plurality of angles is located at the positions; approximating a plurality of measured values of the positions measured in the measuring step to a circular arc; and calculating an error in regard to a center position of the rotational axis and/or a tilt error in the rotational axis, and tilt errors in the translational axes, based on the circular arc resulting from the approximating step. | 02-17-2011 |
| 20110119026 | PORTABLE COORDINATE MEASUREMENT MACHINE WITH INTEGRATED LINE LASER SCANNER - A portable coordinate measurement machine for measuring the position of an object in a selected volume comprises includes an a positionable articulated arm having a plurality of jointed arm segments. The arm includes a measurement probe having an integrated line laser scanner mounted thereon. The laser may be a fiber coupled laser. Wireless data transfer and communication capability for the CMM is also possible. | 05-19-2011 |
| 20110144942 | METHOD OF USING TELEMETRY TO DETECT AT LEAST ONE SUSPENDED THREADLIKE OBJECT, THE OBJECT LYING IN THE DETECTION FIELD OF A TELEMETER MOUNTED ON BOARD A VEHICLE - A method of detecting at least one suspended threadlike object by telemetry, the object lying in the detection field of a telemeter on board a vehicle. The method wherein in step iii), for each vertical plane taken into consideration, and for each set of at least four candidate points close to the vertical plane in question, using the least squares method to calculate the values of three parameters a, b, and c of a catenary having an equation of the form: | 06-16-2011 |
| 20100131234 | SYSTEM AND METHOD FOR MEASURING AND MAPPING A SURFACE RELATIVE TO A REFERENCE - A system and method for measuring the displacement of a surface relative to a base reference, as well as for mapping the displacement of the surface relative to the base reference. A laser scanner generates point cloud data in respect of a measure of the spatial orientation of a distal surface relative to a reference point to define a three-dimensional image of the surface. Reference data is stored in respect of the spatial orientation of a base reference relative to the surface. processing means to process said point cloud data and said base reference data to determine the relative displacement of said surface with respect to said base reference. A system comprising: data processing means to obtain point cloud data defining a surface in a co-ordinate system coinciding with a base reference and to generate displacement data in respect of the displacement between each point of said point cloud and a related point of said base reference; comparison means to compare the displacement data against a prescribed threshold; and display means to graphically display the result of the comparison. | 05-27-2010 |
| 20110178763 | USE OF INCLINOMETERS TO IMPROVE RELOCATION OF A PORTABLE ARTICULATED ARM COORDINATE MEASURING MACHINE - A method of relocating a portable articulated arm coordinate measuring machine (AACMM) from a first location to a second location, wherein the AACMM has, at the first location, a first origin point and a first frame of reference and, at the second location, a second origin point and a second frame of reference, the method including the steps of: measuring an amount of tilt of the portable AACMM along two perpendicular directions, each of which are approximately perpendicular to a gravity vector, with the portable AACMM in each of the first and second locations; measuring a first target and a second target with the portable AACMM in the first location to obtain, in the first frame of reference, a first set of x, y, and z coordinates and a second set of x, y, and z coordinates; measuring the first target and the second target with the portable AACMM in the second location to obtain, in the second frame of reference, a third set of x, y, and z coordinates and a fourth set of x, y, and z coordinates; and finding x, y, and z coordinates of the second origin point with respect to the first frame of reference, wherein the x, y, and z coordinates of the second origin point are found using the first, second, third, and fourth sets of x, y, and z coordinates but without using additional x, y, and z coordinates of a third target measured with the AACMM at the first location and at the second location. | 07-21-2011 |
| 20110178765 | MULTI-FUNCTIONAL COORDINATE MEASUREMENT MACHINES - A portable articulated arm coordinate measuring machine (AACMM) includes a manually positionable arm portion having opposed first and second ends, the arm portion including connected arm segments, each arm segment including at least one position transducer for producing a position signal, a measurement device attached to a first end of the AACMM, and an electronic circuit which receives the position signals from the transducers and provides data corresponding to a position of the measurement device. Implementing the portable AACMM includes identifying a source device from which data is received by determining a transmission path through which the data is transmitted, the source device removably attached to the first end of the AACMM, determining a data type of the data based upon identification of the source device, performing an action on the data responsive to the data type, and outputting results of performing the action to a destination device. | 07-21-2011 |
| 20110178764 | Portable Articulated Arm Coordinate Measuring Machine with Multi-Bus Arm Technology - A portable articulated arm coordinate measuring machine (AACMM) with multi-bus arm technology that includes a manually positionable articulated arm portion, a measurement device, and an electronic circuit. The electronic circuit is configured to receive a position signal from the arm portion and to provide data corresponding to a position of the measurement device. The AACMM further includes a probe end, an accessory device, an encoder data bus, and a first device data bus. The encoder data bus is coupled to the arm portion and the electronic circuit, and the encoder data bus is configured to send the position signal to the electronic circuit. The first device data bus is coupled to the accessory device and the electronic circuit. The first device data bus is configured to operate simultaneously with and independently of the encoder data bus for sending accessory device data from the accessory device to the electronic circuit. | 07-21-2011 |
| 20110153269 | METHODS AND APPARATUS FOR FILTERING NOISE IN A THREE-DIMENSIONAL POSITION MEASUREMENT SYSTEM - A method of filtering noise in a three-dimensional position measurement system comprising receiving distance data representative of the respective distances between at least four spatially dispersed known points and an unknown point, performing triangulation calculations to determine at least two solutions to the three dimensional position of the unknown point relative to the known points, calculating a symmetrical bounding surface such as a sphere or cube which just encloses the said solutions, comparing the maximum dimension of the bounding surface with a first predetermined error threshold, and if the maximum dimension is less than the first error threshold, determining the centre position of the bounding surface and outputting the centre position as a noise-filtered position for the unknown point. | 06-23-2011 |
| 20100332182 | OPERATION DETERMINING SYSTEM, OPERATION DETERMINING DEVICE AND COMPUTER READABLE MEDIUM - An operation determining system includes: a position measuring unit that measures a position of a moving object with time; and an operation determining unit that determines that there is an operation of the object in a detection area when an intersecting angle between entering and exiting vectors of the object with respect to the detection area, the intersecting angle being calculated based on the position of the object measured by the position measuring unit, is equal to or higher than a certain value. | 12-30-2010 |
| 20120278034 | ANALYTICAL COMPUTATION OF A GEOMETRIC NORMALIZATION FACTOR FOR TOF-PET - A method, including: determining a line of response for an imaging apparatus, the line of response being defined by respective locations of a pair of detector crystals of the imaging apparatus; defining an array of emission points corresponding to the determined line of response; determining, for each point in the array of emission points corresponding to the line of response, a solid angle subtended by surfaces of the pair of detector crystals that define the line of response; averaging the determined solid angles to generate an average solid angle; determining a depth of interaction factor dependent upon penetration of a gamma ray in the pair of detector crystals of the imaging apparatus; and calculating a geometric corrective factor for the determined line of response by multiplying a reciprocal of the average solid angle by the determined depth of interaction factor. | 11-01-2012 |
| 20100305899 | METHOD AND APPARATUS FOR ACCURATE ACQUISITION OF INERTIAL SENSOR DATA - The subject matter disclosed herein relates to a system and method for receiving a plurality of signals generated by a plurality of sensors adapted to detect physical movement of a mobile device with respect to a plurality of coordinate axes. A time at which at least one of the received signals is digitized is delayed to provide an output of digitized versions of the received plurality of signals synchronized with respect to a common point in time. | 12-02-2010 |
| 20080243428 | System to test electronic part and method of controlling the same - Disclosed herein are a system to test an electronic part and a method of controlling the same, which are capable of automatically detecting a position of a socket according to a variation in a position of the socket to efficiently test the electronic part. The system to test an electronic part using a robot to automatically test the electronic part includes: a distance measuring unit measuring a distance between a socket mounted on a substrate to test the electronic part and a reference block to provide a reference position; a position measuring unit detecting positional information of the reference block; and a controller calculating positional information of the socket using the measured distance between the socket and the reference block on the basis of the detected positional information of the reference block and controlling the robot using the calculated positional information of the socket. | 10-02-2008 |
| 20080275666 | Region-In-Object Measuring System, Computing Device for Measuring a Region-In-Object, Program for Measuring Region-In-Object and Computer Readable Recording Medium on Which the Program Is Recorded - A region-in object measuring system comprises a reference object ( | 11-06-2008 |
| 20080201101 | Auto-Referenced System and Apparatus for Three-Dimensional Scanning - A system, apparatus and method for three-dimensional scanning and digitization of the surface geometry of objects are claimed. The system comprises a hand-held apparatus that is auto-referenced. The system is auto-referenced since it does not need any positioning device to provide the 6 degree of freedom transformations that are necessary to integrate 3D measurements in a global coordinate system while the apparatus is manipulated to scan the surface. The system continuously calculates its own position and orientation from the reflection of a projected laser pattern on an object's surface and 2D positioning features originating from the observation of target positioning features. Using the described system, it is possible to simultaneously build and match a 3D representation of the positioning features while accumulating the 3D surface points describing the surface geometry. | 08-21-2008 |
| 20110077904 | MOTION RECOGNITION SYSTEM USING FOOTWEAR FOR MOTION RECOGNITION - There is provided a motion recognition system using footwear for motion recognition. The motion recognition system includes footwear for motion recognition and an information processing terminal. The footwear for motion recognition includes a pressure sensor, a height sensor and a three-axis acceleration sensor, measures variations in foot pressure, height and acceleration according to a user's motion, preprocesses signals measured by the sensors, and transmits the preprocessed signals. The information processing terminal analyses the signals received from the footwear for motion recognition, obtains information regarding the user's center of gravity, position within three-dimensional space and feet movements, and provides application services based on the obtained information. | 03-31-2011 |
| 20090299687 | Reverse engineering disk inspection - A method of inspecting gas turbine engine rotor disks for reverse engineering includes establishing a plurality of datums for providing a local coordinate system, establishing rim face and primary rim slot data, manually verifying coordinate measuring machine probe indexing relative to probe locations on a rotor disk programming coordinate measuring machine probing of the primary rim slot as a function of the manually verified coordinate measuring machine probe indexing along a plurality of scan lines that are substantially parallel to each other, obtaining coordinate measuring machine probing data from coordinate measuring machine probing of a plurality of sample rotor disks, outputting dimension data as a function of average values of coordinate measuring machine probing data for the plurality of sample rotor disks, and outputting tolerance data as a function of dimension data value ranges for the plurality of sample rotor disks. | 12-03-2009 |
| 20110119025 | MANIPULABLE AID FOR DIMENSIONAL METROLOGY - A manipulable aid which is separate and distinct from the probe of a CMM permits a CMM operator to more directly interact with a CMM measurement volume to align a workpiece, configure a measurement path, and/or program a dimensional metrology application. | 05-19-2011 |
| 20110307212 | METHOD AND APPARATUS FOR MEASURING WORKPIECE ON MACHINE TOOL - A measuring head attached to a machine tool is swiveled by a predetermined angle. A reference sphere is then measured by the measuring head from a first direction and a second direction. Accordingly, coordinates of a center point of the reference sphere are acquired. First machine coordinates of the measuring head are coordinates when the measuring head measures the center point of the reference sphere from a first direction. Second machine coordinates of the measuring head are coordinates when the measuring head measures the center point of the reference sphere from a second direction. A 3-dimensional offset of the measuring head is acquired, based on the first machine coordinates and the second machine coordinates of the measuring head. Subsequently, the workpiece is measured by the measuring head, by using the 3-dimensional offset of the measuring head. As a result, the 3-dimensional offset of the measuring head is acquired, and thereby the workpiece can be measured by the measuring head because the measurement function intrinsic to the measuring head is effectively used without separately using another measuring instrument. | 12-15-2011 |
| 20090043534 | Dimensional measurement probe - A probe for measuring the dimensions of objects on a coordinate positioning machine such as a machine tool has a workpiece-contacting stylus | 02-12-2009 |
| 20100153061 | HAND-HELD DEVICE AND METHOD FOR DETECTING THE SPATIAL POSITION OF A WORKING POINT OF A MANIPULATOR - According to the present invention a portable hand-held device ( | 06-17-2010 |
| 20100094586 | Sensing System - A sensing system is adapted to sense a pointer and calculate a location of the pointer. The sensing system includes a panel, a reflective element, an image sensor and a processor connected to the image sensor. The panel has a first plane and a first area located at the first plane. The first area is quadrangular and has a first boundary, a second boundary, a third boundary and a fourth boundary connected in order. The reflective element is disposed at the first boundary and located on the first plane. A second plane of the reflective element which is a reflective mirror plane is substantially perpendicular to the first plane and mirrors the first area to form a second area. The image sensor sensing the first and the second areas is disposed at a corner at which the third boundary and the fourth boundary intersects and located on the first plane. | 04-15-2010 |
| 20100250185 | Method for detection of gravitational anomalies - A method and system for detecting gravitational anomalies comprises measuring surface structures, measuring gravitational field characteristics, and estimating the effect of the surface structures on the gravitational measurements. The estimations are then used to derive a representation of nearby non visible features such as changes in rock density, voids, or oil and gas deposits. The surface structures may be measured by a video camera, with the video sequence being processed to estimate 3D positions of structures relative to the measurement point. Other methods may be used, such as lidar or acoustic techniques as appropriate. The method may be applied above ground and also has efficacy in borehole and sewer surveying applications. | 09-30-2010 |
| 20090198472 | PROBE STRAIGHTNESS MEASURING METHOD - A probe straightness measuring method includes: placing a measurement jig having a measurement reference surface with a known profile error on a stage surface of an XY stage so that the measurement reference surface is slanted in a moving direction of the XY stage; measuring a displaced position of the measurement piece by a displacement detector of the probe each time the XY stage is moved for a predetermined distance while controlling a driving actuator so that the measurement piece of a probe touches the measurement reference surface at a constant pressure; and calculating a straightness error of a measurement-piece moving mechanism on a basis of a measured position of the measurement piece obtained in the measuring, a nominal position of the measurement piece obtained by a calculation and a slant angle of the measurement reference surface. | 08-06-2009 |
| 20100010773 | Sensing System - A sensing system is adapted to sense a pointer and calculate a location of the pointer. The sensing system includes a panel, a reflective element, an image sensor and a processor connected to the image sensor. The panel has a first plane and a first area located at the first plane. The first area is quadrangular and has a first boundary, a second boundary, a third boundary and a fourth boundary connected in order. The reflective element is disposed at the first boundary and located on the first plane. A second plane of the reflective element which is a reflective plane is substantially perpendicular to the first plane and mirrors the first area to form a second area. The image sensor sensing the first and the second areas is disposed at a corner at which the third boundary and the fourth boundary intersects and located on the first plane. | 01-14-2010 |
| 20080300823 | METHODS AND SYSTEMS FOR MANUFACTURING LARGE COMPONENTS - Methods and systems for fabricating a composite structure are provided. The method includes receiving data representing a portion of a surface of the structure, measuring a surface of the structure, the measured surface corresponding to the received surface wherein the measuring is performed with the structure in a flexed condition, and determining a difference in a first and a second direction between the measured surface and the received surface at areas that correspond to the measured surface. The method also includes determining a difference in a third direction, transmitting to a morphing algorithm the determined differences in the first, second, and third directions, and determining a position in the first, second, and third directions of a point on the surface in the flexed condition that corresponds to a respective point on the received surface when the structure is placed in the nominal condition. | 12-04-2008 |
| 20110131008 | POSITIONING DEVICE WITH EXTENSIBLE CORD AND METHOD - A positioning device includes a computer including a stored design file, such as a CAD file, for positioning a selected portion of the design on a workpiece. In a first embodiment, a base unit houses an extensible cable including a free end for placement by a user at a design point on the workpiece. A turn carriage freely rotates about a turn axis to follow cable movement. In output mode, the user is directed to move the cable free end toward the portion of the design and a cable tensioning motor adjusts the tension in the cable sufficiently to indicate when cable free end is at a distance to the portion of the design. Other embodiments include: a turn carriage servoed motor for rotating the turn carriage to follow the cable; and a pitch carriage and servoed motor for rotating the pitch carriage for following the cable. | 06-02-2011 |
| 20120323525 | LONGITUDE/LATITUDE TEN-DIMENSION XYZ DIGITAL-DISPLAYING SPECTROMETER - A longitude/latitude ten-dimension XYZ digital-displaying spectrometer includes an imaging device combined with the digital-displaying spectrometer to work with a Z axis position processing unit and a coordinate processing unit and arranged in information connection with a plurality of displaying elements to allow of calculation of Z0° in horizontal of East, West, South, North, and the circumference with respect to the horizontal level of the compass through the combination of the imaging device with the processing units and displaying of the angles through the displaying elements, so as to provide an improvement of precise reading of the angles in the ten dimensions. | 12-20-2012 |
| 20130013251 | CRANE MANEUVERING ASSISTANCE - A system for tracking movable crane components to assist maneuvering the crane within a jobsite includes a computing device having a processor which calculates a 3D geospatial location and orientation of a 3D coordinate system for an upperworks that has an origin chosen along an axis of rotation between the upperworks and a lowerworks. The processor calculates a 3D position of the origin of the upperworks based on local coordinates and transforms the 3D position of the origin of the upperworks from the local coordinates to global 3D coordinates using absolute position sensing data from first and second positioning sensors attached to the crane (for instance on the upperworks and the hook, respectively) and using global 3D coordinates specific to the jobsite where the crane is located. The upperworks 3D coordinate system is useable to determine line segments in the upperworks 3D coordinate system for various movable components. | 01-10-2013 |
| 20110161046 | SYSTEM AND METHOD FOR VERIFYING A PROBE TIP - A computing system and method verifies a probe tip of a coordinate measuring machine. The computing system simulates a virtual sphere and calculates coordinates of the center of the virtual sphere. The coordinates of first real contact points of the real sphere is obtained to calculate coordinates of the center of the real sphere and coordinates of the ideal contact points of the real sphere. The computing system obtains coordinates of second real contact points of the real sphere is obtained according to the coordinates of the ideal contact points of the real sphere. The radius of the probe tip is calculated according to the coordinates of second real contact points of the real sphere. The computing system determines if the calculated radius of the probe tip falls in an allowable range. | 06-30-2011 |
| 702153000 | 3D orientation | 14 |
| 20100145654 | APPARATUS OF CHASING POSTURE OF MOVING MATERIAL OBJECT, METHOD OF CHASING POSTURE OF MOVING MATERIAL OBJECT, APPARATUS OF CHASING POSTURE OF TOOTHBRUSH AND METHOD OF CHASING POSTURE OF TOOTHBRUSH USING THE SAMELECTRIC TOOTHBRUSH AND METHOD FOR CONTROLLING THEREOF - An apparatus for tracking an posture of a moving object in a three-dimensional space having a z-axis facing a reference surface of the moving object, an x-axis perpendicular to the z-axis in a virtual vertical plane including the z-axis, and a y-axis perpendicular to the x-axis in a virtual horizontal plane including the x-axis is described. A reference surface direction determination unit detects which direction the reference surface is facing with the x-axis as an axis of rotation. The x-axis deviation determination unit detects how far an x-axis direction of the moving object is relatively deviated from a magnetic north direction. The determination unit determines the posture of the moving object based on how far the x-axis of the moving object is deviated and which direction the reference surface is facing in response to detection signals of the reference surface direction determination unit and the x-axis deviation determination unit. | 06-10-2010 |
| 20090287451 | METHOD AND SYSTEM FOR AZIMUTH MEASUREMENTS USING GYRO SENSORS - A method and system for azimuth measurements using one or more gyro sensors is disclosed. The method includes acquiring a first data from each of the gyro sensors with an input axis aligned to a first angular orientation and acquiring a second data from each of the gyro sensors with the input axis flipped to a second angular orientation opposite to the first angular orientation. An earth rate component at the first angular orientations is determined based on a difference between the first data and the second data to cancel out bias of each of the gyro sensors. The method may include acquiring a third data of the gyro sensor with the input axis aligned to the same angular orientation as the first angular orientation. An average of the first data and the third data may be used instead of the first data for determining the earth rate component. | 11-19-2009 |
| 20090024353 | Method of measuring pose of mobile robot and method and apparatus for measuring position of mobile robot using the same - A method of measuring pose of mobile robot, and method and apparatus for measuring for measuring position of mobile robot using the same are provided. The apparatus for measuring the pose of a mobile robot includes an accelerometer measuring acceleration of the mobile robot in a forward direction, a uniform-motion-determining unit determining whether the mobile robot belongs to a uniform motion section, an acceleration section, or a deceleration section, and a pose-calculating unit calculating a pitch and a roll of the mobile robot in the uniform motion section, using the relationship between the measured acceleration in the forward direction and the acceleration due to gravity. | 01-22-2009 |
| 20090171619 | SURVEYING PROCEDURE AND SYSTEM FOR A HIGH-RISE STRUCTURE - The invention concerns a surveying procedure for a structure ( | 07-02-2009 |
| 20080281555 | METHOD AND DEVICE FOR DETECTING A SUBSTANTIALLY INVARIANT ROTATION AXIS - A method for detecting a substantially invariant rotation axis of a motion of a mobile body equipped with at least one inertial or magnetic sensor with three sensitive axes that includes acquiring physical measurements with respect to the three sensitive axes of the sensor, the physical measurements including at least three samples at different times, estimating a substantially invariant rotation axis in the physical measurements space, and identifying the estimated axis as the substantially invariant rotation axis of the motion. In one aspect, the method is applicable for estimating the motion of a mobile body rotating about a substantially invariant axis. | 11-13-2008 |
| 20080270068 | Method for Estimating Movement of a Solid - The method estimates movement of a solid mobile in a medium capable of generating disturbances defined by a three-variable vector, wherein the movement is defined by a six-variable vector and the solid is equipped with at least one sensor sensitive to acceleration having at least three sensitive axes and at least one sensor sensitive to the magnetic field having at least three sensitive axes. The method for estimating the movement of a solid includes a step of calculating a nine-variable vector consisting of the six-variable movement vector and of the three-variable disturbance vector and a step of weighting the nine-variable vector capable of transforming the nine-variable vector into a vector with not more than five variables to be estimated. | 10-30-2008 |
| 20080306708 | SYSTEM AND METHOD FOR ORIENTATION AND LOCATION CALIBRATION FOR IMAGE SENSORS - A system and method employing position measurement sensors and point sources of light to determine the location and orientation of video cameras in a simulation arena environment. In an embodiment, one or more accelerometers, gyroscopes, and/or magnetometers associated with each video camera may be used to determine the angular orientation of the video camera. The location of a camera is determined by measuring the distance from the camera to at least two known points, where the known points may be point sources of light, other cameras, or a combination thereof. Camera angular orientation information and camera location information may be combined to provide a complete set of data defining the position of each video camera. | 12-11-2008 |
| 20080215287 | MAGNETIC DATA PROCESSING DEVICE, METHOD, AND PROGRAM, AND MAGNETIC PROCESSING SYSTEM - A magnetic data processing device sequentially receives magnetic data samples each of which is three-dimensional vector data represented by a linear combination of fundamental vectors and which are outputted from a three-dimensional magnetic sensor. The magnetic data processing device defines a statistical population which includes a plurality of the magnetic data samples sequentially inputted and which signifies a rotation of the three-dimensional magnetic sensor of a predetermined range, and operates when a distribution of the magnetic data samples of the statistical population is flat, for deducing a direction perpendicular to a plane which approximates the flat distribution of the statistical population, as vertical-direction data representing a vertical direction. | 09-04-2008 |
| 20100131235 | WORK SYSTEM AND INFORMATION PROCESSING METHOD - In a work system which measures 3D information of a target object by a light-section method, high measurement precision is realized. The invention includes a robot arm, a hand position detection member which is arranged at the distal end portion of the robot arm, a slit laser projector which irradiates slit light, a camera which is fixed at a position independent of the robot arm, and senses an image of the target object, and a computer which calculates a light-section plane of the slit light based on a light-section line formed on the hand position detection member which is included in image data of the target object obtained by image sensing by the camera, and calculates the position and orientation of the target object based on the calculated light-section plane and the light-section line formed on the target object. | 05-27-2010 |
| 20110010129 | POSITIONING SYSTEM AND METHOD USING OPTICALLY TRACKED ANCHOR POINTS - A method and system for determining the location and attitude (roll, pitch, and yaw) of a moving object relative to an external reference frame by tracking unique two-dimensional patterns in the external reference frame from the moving object with displacement sensors. The displacement sensors lock onto the unique two-dimensional patterns by means of a steering mechanism which steers an optical path element capable of deviating the optical path using the displacement information from the relative movement of the two-dimensional patterns. The system is able to detect position and attitude to sub-millimeter accuracy without a physical connect between the moving object and the external reference frame and without a physical connection between the moving object and the external reference frame. | 01-13-2011 |
| 20100004896 | Method and apparatus for interpreting orientation invariant motion - Techniques for interpreting orientation invariant motion are disclosed. Unlike a prior art controller (e.g., a WII game controller) that has a specific physical design to induce or force a user to grip the controller in a consistent way, a disclosed controller does not have such a physical design and allow a user to grip the controller in any way that is comfortable to the user (e.g., around an axis z), one or more transformation or rotations are designed to transform or rotate readings from inertial sensors housed in the controller to readings independent from how the controller is being gripped by a user. | 01-07-2010 |
| 20110307213 | SYSTEM AND METHOD OF SENSING ATTITUDE AND ANGULAR RATE USING A MAGNETIC FIELD SENSOR AND ACCELEROMETER FOR PORTABLE ELECTRONIC DEVICES - A system for determining motion information including attitude and angular rate of a dynamic object. The system includes a magnetic-field sensing device to measure in the body coordinate frame of reference an intensity and/or direction of a magnetic field in three substantially orthogonal directions; an acceleration-sensing device adapted to measure total acceleration of the object in the body coordinate frame of reference; and a processor adapted to calculate attitude and angular rate by combining total acceleration measurement data and magnetic field measurement data with the kinematic model in a filter. | 12-15-2011 |
| 20120059624 | METHOD AND APPARATUS FOR DYNAMIC 6DOF MEASUREMENT - A method and apparatus is disclosed that modulates the position of one target tracked by a position measuring instrument, measures the path of the target, fits the parameters of a mathematical representation of the time varying path to the path of the target measured as a function of time, and obtains the position, orientation and velocity of the object on which the apparatus is mounted. Key aspects of the modulating nest and the improved method for determining the best fit mathematical representation of the path of the target resulting from the combined effect of the modulation and the motion of the object are disclosed. | 03-08-2012 |
| 20120084051 | METHOD AND ARRANGEMENT FOR MAGNETICALLY DETERMINING A POSITION - A method and an arrangement for magnetically determining a position using a permanent magnet is described, wherein the vector and local gradient of the magnetic flux density of the permanent magnet is measured using a position sensor, and the position and orientation of the magnetic dipole of the the permanent magnet relative to the position sensor is calculated from the measured values. A spherical permanent magnet having homogenous magnetization is used in the method and the arrangement, preventing previously present cross-sensitivity between the position and orientation determination, and allowing measurement without prior calibration. | 04-05-2012 |
