Entries |
Document | Title | Date |
20080290823 | Method of Controlling a Roller Blind Actuator - A method of controlling an electromechanical actuator (ACT) comprising a motor (MOT) for maneuvering a mobile appliance (LD) of a building in a first direction (DIR | 11-27-2008 |
20080315802 | Elevator Control Device - An elevator control device that drives a cage in a high-efficient speed pattern without using a load detector such as a conventional scale device. The elevator control device includes: a current detector for detecting a current that is supplied to a motor from an inverter; a speed detector for detecting a rotation speed of the motor; a speed pattern generator for generating an elevator speed pattern a motor speed control device for controlling the speed so that a speed detection value follows a speed command value of the speed pattern; and a motor current control device for controlling a current that is supplied to the motor with respect to the inverter by using a current detection value and the speed detection value on the basis of the speed command value. The motor current control device has a duty detector for detecting a duty that is a ratio of an on-time of the inverter within a given sampling period, and the speed pattern generator changes the speed pattern of the motor based on a duty detection value detected by the duty detector. | 12-25-2008 |
20090128063 | METHOD FOR DRIVING VIBRATION CUTTER - A method for driving a vibration cutter includes inputting an alternate current in an actuator section to vibrate a plate-like blade connected to the actuator section, wherein the blade section is vibrated in a plate face direction and a thickness direction of the blade section. | 05-21-2009 |
20090273306 | FAN SPEED CONTROL CIRCUIT - The fan speed control circuit and system of the present invention includes a capacitor or internally triggered triac to enable current to flow across the terminals of an electrical switch for a fan motor when the switch is in the open and OFF position to permit continued operation of a fan so that the system complies with the ASHRAE 62.2 standard. The capacitor may be of a fixed value so that the speed of the fan motor is reduced to a fixed level when the switch is open and OFF. Alternatively, a potentiometer and internally triggered triac arrangement may be used to permit adjustment of the level to which the speed of the fan drops to when the switch is actuated to the open and OFF position. The present invention is a viable less expensive option to prior art microprocessor based fan speed control circuits. | 11-05-2009 |
20090284188 | Method and Apparatus to Facilitate Controlling the Connection of a Mains to a Movable Barrier Operator Power Supply - A movable barrier operator having control circuitry ( | 11-19-2009 |
20100019700 | Operating method and system for hybrid vehicle - A hybrid power plant for efficiently propelling a vehicle is described. In particular, an internal combustion motor and a generator capable of producing electrical energy is mechanically coupled to the internal combustion motor. An electrical motor is powered by the generator and a controller is coupled to the generator, providing control of the rate of electricity provided to the electrical motor by the generator. Here the electrical motor facilitates rotation of a wheel of the vehicle and the internal combustion motor is operated at an idle or near-idle speed to provide sufficient energy to be converted into electrical energy by the generator, thereby enabling the electrical motor to propel the vehicle in excess of sixty miles per hour, without engaging the internal combustion motor to the wheel and without drawing energy from the battery. | 01-28-2010 |
20100084998 | FLAT PANEL DISPLAY DEVICE - The present disclosure provides a flat panel display device. A flat panel display device includes a display panel, a stand, and a multi-angle adjusting device. The multi-angle adjusting device includes a first shell fixed on the stand, a second shell cooperatively defining a receiving space with the first shell, a holder, a first motor, a second motor, and a third motor. The holder, the first, the second, and the third motors are received in the receiving space. The first motor is connected between the first shell and the holder, and rotates the holder about a first direction along the stand. The second motor is connected between the holder and the second shell, and moves about a second direction perpendicular to the first direction relative to the first shell. The third motor is connected between the second shell and the display panel, and rotates about a third direction which is perpendicular to the first and second directions. | 04-08-2010 |
20100090622 | ELECTRONIC DEVICE AND MONITOR OPENING MECHANISM FOR AN ELECTRONIC DEVICE - A monitor opening mechanism includes a first rotating shaft rotatably connected to a host and having a first toothed portion. A stepper motor is disposed in the host and includes a second rotating shaft having a second toothed portion engaging the first toothed portion. A fine-tuning control circuit board is electrically connected to the stepper motor. A first fine-tuning key is electrically connected to the fine-tuning control circuit board. When the first fine-tuning key is operated, the fine-tuning control circuit board drives the second rotating shaft to rotate, forcing the monitor to rotate with respect to the host in a first direction. A second fine-tuning key is electrically connected to the fine-tuning control circuit board. When the second fine-tuning key is operated, the fine-tuning control circuit board drives the second rotating shaft to rotate, forcing the monitor to rotate with respect to the host in a second direction. | 04-15-2010 |
20100141184 | FAN AND SPEED CONTROL CIRCUIT THEREOF - A fan includes a speed control circuit and a motor electrically connected with the speed control circuit. The speed control circuit includes an inputting circuit and a transforming circuit electrically connected with the inputting circuit. The inputting circuit supplies a constant current to the transforming circuit. The transforming circuit transforms the constant current to a fluctuating current and outputs the fluctuating current to the motor of the fan. The fluctuating current causes a rotation with a fluctuating speed to the motor of the fan. | 06-10-2010 |
20100156328 | METHOD OF CONTROLLING MOTOR IN IMAGE READING APPARATUS - Disclosed herein is a method of controlling a motor in an image reading apparatus. It may be possible to optimize the drive current of the motor for driving the movement of the scanning module by using information associated with, for example, the time it takes for the scanning module to return to a home or rest position after the scanning module is moved from the home position to a predetermined position. Such optimized drive current can result in improvements in the reading performance of an image by the image reading apparatus and reduction of power consumption. | 06-24-2010 |
20100253249 | FAN ARRANGEMENT - A fan arrangement ( | 10-07-2010 |
20100253250 | CURRENT CONTROLLER FOR AN ELECTRIC MACHINE - A current controller for an electric machine that includes an input, an output, a threshold generator and a comparator. The threshold generator stores a scaling factor and includes a PWM module that operates on a reference voltage to generate a threshold voltage. The duty cycle of the PWM module is then defined by the scaling factor. The comparator compares a voltage at the input against the threshold voltage and causes an overcurrent signal to be generated at the output when the voltage at the input exceeds the threshold voltage. | 10-07-2010 |
20110001441 | Motor Control Unit and Vehicle Steering Apparatus - A motor control unit controls a motor including a rotor and a stator facing the rotor. A current drive unit drives the motor at an axis current value of a rotating coordinate system that rotates in accordance with a control angle that is a rotational angle used in a control. An addition angle calculation unit calculates an addition angle to be added to the control angle. A control angle calculation unit obtains, at every predetermined calculation cycle, a present value of the control angle by adding the addition angle that is calculated by the addition angle calculation unit to an immediately preceding value of the control angle. An angular speed calculation unit calculates an angular speed of the rotor. An addition angle correction unit corrects the addition angle based on the angular speed calculated by the angular speed calculation unit. A filtering unit filters the angular speed calculated by the angular speed calculation unit. | 01-06-2011 |
20110031905 | Single General Purpose Input/Output (GPIO) Pin Motor Control Circuit - System and method for operating a motor using a single general purpose input/output (GPIO) pin of a controller. In one embodiment, a control circuit may include a first terminal coupled to a GPIO pin of a controller. The first terminal can be configured to receive, and output, at least one or more signals. The control circuit may include a plurality of elements coupled to the first terminal, and motor driver circuit output terminal, such that the control circuit may be configured to output one more control signals to the motor driver circuit output terminal for control the motor driver circuit. Motor driver control signals may be based, at least in part, on one or more signals received from the first terminal. | 02-10-2011 |
20110043143 | Speed and Power Control Mechanisms for Battery Powered DC Motor - A speed and power control mechanisms for battery powered DC motors including a plurality of batteries structured to be configured in series, parallel, or series/parallel wiring configurations/combinations, a selectable switch, relay, or contractor structured to wire the batteries in the series, parallel, or series/parallel wiring configurations/combinations based on the setting of the selectable switch, relay, or contractor to deliver various selected voltage levels, and thus various selected power and speed levels to a motor. | 02-24-2011 |
20110074316 | INDUCTION ACTIVATED COVER ASSEMBLY - An induction activated cover assembly includes a main body, a cover, a covering plate and two pivots. The main body has an opening vertically penetrating the main body. A lateral connecting groove is formed on a top surface of the main body. Two through holes are formed on two ends of the connecting groove respectively. The cover is pivotably disposed on the main body. A lateral connecting body is formed on a rear end of the cover, and the connecting body has a connecting body opening facing downward. Two pivot bores are formed on two ends of the connecting body. The covering plate encloses the connecting body opening. A receiving room is defined between the connecting body and the covering plate for the pivots to be received therein. Each pivot inserts through one of the pivot bores and its corresponding through hole to pivot the cover on the main body. | 03-31-2011 |
20110095710 | METHOD FOR CONTROLLING AN ELECTRIC DISCONNECTING SWITCH MOTOR - Device for controlling an electric disconnecting switch motor, including a power supply circuit for supplying power to motor from a network voltage source, said circuit including a static converter controlled to output a voltage having a predetermined value to motor; and one or more configuration components, the actuation of which enables the configuration of said circuit with a view to setting the direction of the current (i) that flows in motor, characterised in that control of static converter and control of configuration components are provided by two separate control units, each outputting control instructions, the control instructions of one of the two control units being activated on the basis of a validation instruction from the other control unit. | 04-28-2011 |
20110156618 | BATTERY SYSTEM AND ELECTRIC VEHICLE INCLUDING THE SAME - A battery system includes a plurality of battery cells and a plurality of printed circuit boards. A cell characteristics detecting circuit having a cell characteristics detecting function for detecting cell characteristics of the plurality of battery cells is mounted on each of the printed circuit boards. As well as the cell characteristics detecting circuit, a control-related circuit having a function different from the cell characteristics detecting function of each battery cell is mounted on the printed circuit board. | 06-30-2011 |
20110169432 | METHOD AND APPARATUS FOR CONTROLLING THE POSITION OF AN ELECTRIC MOTOR - A method is provided for controlling a position of an electric dc brush motor ( | 07-14-2011 |
20110241576 | ULTRASONIC SYSTEM CONTROLS, TOOL RECOGNITION MEANS AND FEEDBACK METHODS - An ultrasonic electro-mechanical resonant system and instrument that provides improvements in the design and implementation of a feedback system. The disclosed configuration and orientation of coils enhance the motional or velocity feedback signals while minimizing the effects of transformer coupling. A two coil and a three coil approach is disclosed that takes advantage of non-homogeneous magnetic fields. An asymmetrical arrangement enables velocity signals to be coupled into the coils without requiring additional signal conditioning or capacitive elements. | 10-06-2011 |
20110254472 | POWER TOOL HAVING A NON-LINEAR TRIGGER-SPEED PROFILE - A power tool including a motor, an input unit such as a variable-speed trigger switch, and a controller is provided. The controller controls the speed of the motor as a function of the input level indicated by the electrical signal from the input unit. The function is a first expression within a first predetermined range of the input level and a second expression within a second predetermined range of the input level, where the second expression corresponds to a polynomial of a second degree or higher and is different from the first expression | 10-20-2011 |
20110273116 | Driving circuits, power devices and electric devices including the same - A power device includes a switching device and a control unit. The switching device has a control terminal and an output terminal. The control unit is configured to control a rising time required for a driving voltage for controlling the switching device to reach a target level such that a voltage between the control terminal and the output terminal is maintained less than or equal to a critical voltage. When the voltage between the control terminal and the output terminal is greater than the critical voltage, leakage current is generated between the control terminal and the output terminal. | 11-10-2011 |
20110285328 | Electric Motor Assist Bicyle - Methods, systems and apparatus for an electric motor assist bicycle having a hub motor mounted to the front or rear hub to provide electric motor assist, and to function as a generator to charge batteries. The motor can be either a molded or wound magnetic flux channel transverse wound stator permanent magnet motor. The bicycle hub motor includes an electronic controller mounted to the frame of the bicycle and coupled with feedback electronics for monitoring a timing, speed and direction and coupling a signal to a processing unit for adjusting the drive electronics driving the phase windings. The pedal crank arm housing of the electric motor assist bicycle can include battery access ports with batteries stacked inside the bicycle seat tube and the down tube and a strain gauge to measure the rider pedaling effort and produce a signal in response. | 11-24-2011 |
20110298398 | DRIVING SYSTEM FOR FAN AND METHOD OF DRIVING FAN - A driving system for a fan that enables an increase in motor current that may be supplied to excitation windings at the time of a maximum static pressure without increasing the rotational speed excessively when an amount of maximum air flow is provided. The fan driving system includes a drive signal generating circuit that generates drive signals, a motor driving circuit that supplies a motor current to the motor in accordance with the drive signals, a current detecting circuit (resistance) that detects the motor current, and a drive signal changing circuit. The drive signal changing circuit changes the drive signals generated by the drive signal generating circuit to restrict an increase in the motor current when the motor current becomes larger than a threshold. | 12-08-2011 |
20120007526 | Rotation Speed Control Circuit, Rotation Speed Control Method and Fan System - A rotation speed control circuit for controlling a rotation speed of a fan includes: a rotation speed detector, for generating a rotation speed voltage according to a rotation speed signal corresponding to the rotation speed; a sample and hold element, coupled to the rotation speed detector, for sampling and storing the rotation speed voltage; an error amplifier, coupled to the sample and hold element, for controlling a voltage of a filter capacitor according to the rotation speed voltage and a reference voltage, to adjust an error voltage; and a pulse width modulation signal generator, coupled to the filter capacitor, for generating a pulse width modulation signal according to the error voltage and a triangle wave. | 01-12-2012 |
20120068633 | VARIABLE SPEED SWITCH AND ELECTRIC POWER TOOL WITH THE VARIABLE SPEED SWITCH MOUNTED THERETO - A variable speed switch includes a switch main body portion which is accommodated in a housing of an electric power tool and mounted to the housing so as to be capable of relative movement, and a load sensor which is provided in the switch main body portion and capable of outputting an electric signal in proportion to the amount of distortion caused by a pressing force. The switch operating portion is mounted on the surface of the housing so as to be capable of relative displacement with respect to the housing and transmits a pressing force applied to the switch operating portion to the load sensor, with the maximum displacement amount of the switch operating portion being set to equal to or less than 5 mm. | 03-22-2012 |
20120112669 | POWER CONVERTING APPARATUS FOR ELECTRIC MOTOR VEHICLE PROPULSION - A power converting apparatus for electric motor vehicle propulsion is provided that is suitable for a use in which power regeneration from an inverter unit to a power storing unit or power supply from the power storing unit to the inverter unit is frequently used. The apparatus includes a converter unit that receives input of a power supply voltage from the outside, converts the power supply voltage into a direct current of a predetermined value, and outputs the direct current, the inverter unit that is connected to an output side of the converter unit and drives an electric motor, and the power storing unit that is connected to the output side of the converter unit. A converter control unit included in the converter unit generates a current command for the converter unit and controls charging and discharge currents to and from the power storing unit based on this current command. | 05-10-2012 |
20120194105 | VOLTAGE DETERMINATION DEVICE AND CLOCK CONTROL DEVICE - A voltage determination device includes a reference voltage generation circuit; a determination target voltage line; a first voltage line; a second voltage line; and a switching circuit disposed between the first voltage line and the second voltage line. The switching circuit is provided for performing a switching operation according to a level of the determination target voltage. The voltage determination device includes a determining circuit for determining the level of the determination target voltage, and a control unit is provided for controlling a level of an electric current flowing between the first voltage line and the second voltage line. The control unit controls a resistivity between the switching circuit and the second voltage line so that the level of the electric current is maintained at a specific level when the determining circuit determines the level of the determination target voltage. | 08-02-2012 |
20120194106 | FIRST-FAIL-SAFE ELECTROMOTIVE FURNITURE DRIVE - A first-fail-safe electromotive furniture drive includes at least one drive unit having at least one motor; at least one actuating device having at least two actuating units, each of which includes a motor contact element and a safety contact element; at least one supply unit; and at least one safety device. The furniture drive is equipped with a reporting device for displaying the functioning and a failure of the at least two actuating units and the safety device. The furniture drive includes at least one safety actuating device. | 08-02-2012 |
20120206070 | FIRST-FAIL-SAFE ELECTROMOTIVE FURNITURE DRIVE - A first-fail-safe electromotive furniture drive includes at least one drive unit having at least one motor; at least one actuating device having at least two actuating units, each of which includes a motor contact element and a safety contact element; at least one supply unit; and at least one safety device. The furniture drive is equipped with a reporting device for displaying the functioning and a failure of the at least two actuating units and the safety device. | 08-16-2012 |
20120256565 | Method for Installing Actuation Mechanism for Extending and Retracting Retractable Room for Recreational Vehicle - A slide-out or retractable room for a mobile living quarters, such as a recreational vehicle, is provided with actuating assemblies mounted on opposite side walls of the slide-out room and the adjacent wall of the main living area. The actuating assemblies include a pair of parallel gear racks mounted on the side wall, which are engaged by pinions rotated by torque shafts mounted on the main living quarters. Each torque shaft is rotated by a separate motor. A roller engages a bearing surface on the lower portion of the gear racks. Accordingly, the slide-out room is extended and retracted by rotating the torque shafts to cause the gear racks and the attached slide-out room to extend and retract. The weight of the slide-out room is supported by the rollers, thereby supporting the slide-out room off of the floor of the main living quarters as it extends and retracts. | 10-11-2012 |
20130015786 | SWITCHING POWER SUPPLY CIRCUITAANM Sakae; NorioAACI ShigaAACO JPAAGP Sakae; Norio Shiga JPAANM Yabuki; ToshioAACI ShigaAACO JPAAGP Yabuki; Toshio Shiga JPAANM Ohshita; KazuhiroAACI ShigaAACO JPAAGP Ohshita; Kazuhiro Shiga JP - A reactor, a diode, and a switching element connected to a path constitute a booster circuit, and another reactor, another diode, and another switching element connected to another path constitute another booster circuit. The booster circuits also function as a power factor correction circuit for correcting a power factor of the input side. Swing chokes are adopted as the reactors. | 01-17-2013 |
20130038249 | Drive System and Machine - The present invention relates to a drive system with energy recovery for driving a machine, in particular for driving a crane, wherein the drive system includes at least one fuel cell unit, at least one capacitive energy storage unit and at least one drive motor, and wherein the fuel cell unit and the energy storage unit are connected in parallel and feed at least one drive motor. According to the invention, the capacitive energy storage unit is dimensioned such that the differential voltage occurring during operation between the fuel cell unit and the capacitive energy storage unit is minimized to such an extent that the current caused by the voltage within the parallel connection of fuel cell unit and energy storage unit does not exceed a defined safe limit value, wherein the fuel cell unit and the energy storage unit are directly coupled with each other and with the remaining drive components without DC/DC converter. The invention furthermore relates to a machine which includes the drive system according to the invention. | 02-14-2013 |
20130076271 | ELECTRIC POWER TOOL - An electric power tool of the present invention includes: a lighting unit; a motor that drives a tool element; a setting switch that is turned ON/OFF to change an operation mode setting and a lighting mode setting; a setting switching unit that changes the operation mode setting and the lighting mode setting corresponding to a manner of operation provided to the setting switch; a motor control unit that controls the motor according to a control method for one of the operation modes currently set by the setting switching unit; and a lighting control unit that controls the lighting unit corresponding to one of the lighting modes currently set by the setting switching unit. When the setting switch is turned on, the setting switching unit changes one of the operation mode setting and the lighting mode setting corresponding to a duration time of an ON state of the setting switch. | 03-28-2013 |
20130088176 | Method For Use In Controlling Free Piston Stirling Coolers And Heat Pumps Driven By A Linear Alternator - A method for use in controlling a free piston Stirling machine having a cold end and a warm end and driven by a linear motor having an armature winding to which a drive voltage is applied. The method comprises (a) sensing internal mechanical collisions; (b) repeatedly sensing the temperature of the cold end, the temperature of the warm end and the drive voltage; (c) storing, as associated data, a value representing drive voltage, the temperature of the cold end and the temperature of the warm end at the time of sensed collisions; and (d) limiting the drive voltage to less than the drive voltage that was sensed at a collision and is stored in association with stored warm end and cold end temperatures that are proximate currently sensed warm end and cold end temperatures. | 04-11-2013 |
20130093364 | WIPER MOTOR CONTROL - The invention relates to a wiper motor control for controlling a wiper motor that moves a wiper arm in a pendulum motion between two turning positions, said wiper motor control being designed to control a speed of the wiper arm dependent on a position of the wiper arm. The speed of the wiper arm in turning regions, which comprise the turning positions, follows a specified progression independent of the speed of the wiper arm between the turning regions. | 04-18-2013 |
20130093365 | METHOD FOR OPERATING A CLOSING DEVICE, AND A CLOSING DEVICE - The invention relates to a method for operating a closing device, wherein a closing element ( | 04-18-2013 |
20130134908 | POWER SUPPLY SYSTEM AND VEHICLE EQUIPPED WITH POWER SUPPLY SYSTEM - A power supply system includes: a first electrical storage device; a charging device charging the first electrical storage device with external power from an external power supply; a second electrical storage device supplying an auxiliary load with a voltage lower than an output voltage of the first electrical storage device; a first converter stepping down a voltage of power from the first electrical storage device and supplying the auxiliary load and the second electrical storage device with a voltage; a second converter having a capacity smaller than that of the first converter and charging the second electrical storage device with the external power; and a controller, when the external power is charged, controlling charging power from the charging device to the first electrical storage device and charging power from the second converter to the second electrical storage device based on a state of charge of the second electrical storage device. | 05-30-2013 |
20130147402 | DRIVING CONTROL DEVICE OF OPENING AND CLOSING BODY FOR VEHICLE - There is provided a driving control device of an opening and closing body, which drives the opening and closing body in a closed state by a motor through an idling section thereof. The device includes a calculation section for calculating a rotation speed difference between a rotation speed of the motor in the idling section and a current rotation speed of the motor; and an insertion detection section for detecting insertion of a foreign member based on the calculated rotation speed difference and a predetermined threshold value. The threshold value monotonously decreases according to an increase in the rotation amount of the motor to coincide with a fully-closed state threshold value at a predetermined rotation amount of the motor within an error range of the rotation amount corresponding to the fully-closed state, and to maintain the fully-closed state threshold value to a maximum rotation amount in the error range. | 06-13-2013 |
20130169195 | UHV slit - Advanced Design Consulting, Inc. (ADC) has designed a slit where high accuracy is required. The system consists of vertical and horizontal slit mechanisms, a double sided flange which houses them, stepper motors with linear encoders, limit (home position) switches and electrical connections including internal wiring for a drain current measurement system. The total slit size is adjustable from 0 to 30 mm both vertically and horizontally depending on the flange size. Each of the four blades are individually controlled and motorized. | 07-04-2013 |
20130169196 | BRUSHLESS MOTOR SPEED CONTROL SYSTEM - This system provides a wide range of smooth and precisely controlled low and high speeds for pan-tilt-zoom surveillance cameras, in which a brushless motor is controlled by a Microcontroller in a low speed mode by sinusoidal synchronous commutation, in a high speed mode by block commutation, and in in a transition phase from the low speed mode to the high speed mode by modulating integrated pulse-width modulation (PWM) square waves with sine waves. PID and lookup table registers are used by a microcontroller for a smooth transition from high speed mode to low speed mode, and from low speed mode to high speed mode, phase locking a sine position during transitions, in order to give a surveillance camera an ability to quickly move from one target to another at up to 100 degrees per second yet track objects that are moving very slowly. | 07-04-2013 |
20130169197 | SYSTEM AND METHOD FOR CONTROLLING POWER TRUNK - Disclosed is a system for controlling a power trunk in a trunk-equipped vehicle, including: a motor configured to transfer power to the trunk to drive the trunk; a velocity sensing unit configured to sense a velocity of the motor; a control unit configured to compute a current trunk position and an operational velocity based on information on the velocity of the motor sensed by the velocity sensing unit and control the motor based on the computed position and the operational velocity, wherein a predetermined target velocity and the operational velocity are compared, and a difference between the target velocity and the operational velocity is compensated using a proportional integral derivative (PID) control scheme. It is possible to constantly control an open/close velocity of a power trunk regardless of a change of external environments when a power trunk is opened or closed in a vehicle having a power trunk system. | 07-04-2013 |
20130181638 | MEDICAL IMAGE DIAGNOSIS APPARATUS AND TOP-BOARD MOVING UNIT - According to one embodiment, a top-board moving unit includes a top-board moving motor, a drive-signal generating means and a charge-discharge means. The top-board moving motor moves, in a prescribed direction, a top board on which a subject is placed. The drive-signal generating means generates drive signals for operating the top-board moving motor. The charge-discharge means charges and discharges regenerative electric power generated in the top-board moving motor. | 07-18-2013 |
20130200823 | MOTOR FOR HAIR GROOMING APPARATUS - A motor is provided which includes a pivotable portion having a permanent magnet mounted thereto, and first and second lamination arms, wherein the magnet induces positive and negative polarities in the first and second lamination arms, respectively. The motor further includes a fixed portion including an “E” shaped lamination having three lamination arms and a coil wound about one of the three lamination arms. When a current flowing in a first direction is applied to the coil, a first magnetic field is induced that affects polarity of at least on of the three lamination arms and thus generates a force that causes the first portion to pivot in a first direction. When the current flows in a second direction, a second magnetic field is induced that affects polarity of at least one of the three lamination arms and causes the first portion to pivot in a second direction. | 08-08-2013 |
20130234627 | APPARATUS AND METHOD FOR ASYMMETRICAL COAST CONTROL OF AN ENDODONTIC MOTOR - An apparatus for controlling asymmetrical coasting of an endodontic reciprocating motor includes a controller operatively connected to the endodontic motor. The controller may include a processing unit that is configured to direct the rotation of the endodontic motor in the forward direction for a coast time and configured to direct the rotation of the endodontic motor in the reverse direction for a coast time. The forward coast time is separately calculated from the reverse coast time. A method for asymmetrically coasting a reciprocating endodontic motor includes rotating an endodontic motor in a forward direction and calculating a forward coast time for the forward direction and coasting the endodontic motor in the forward direction for the calculated forward coast time. After coasting the endodontic motor in the forward direction, the endodontic motor is rotated in a reverse direction. The reverse coast time is different than the forward coast time. | 09-12-2013 |
20130307439 | ACTUATION CONTROL AND CONTROL METHOD, PARTICULARLY FOR ELECTRICAL DISCONNECTORS - An actuation control, for electrical disconnectors, including a device for driving the actuation motor of a movable element of an electrical disconnector, elements for detecting operating parameters of the disconnector, a device for processing the operating and control parameters of the driving device, elements for storing the operating parameters, which are connected to the processing and control device in order to receive from it and store the processed operating parameters, and interface elements of the actuation control, for its activation for opening or closing the disconnector. | 11-21-2013 |
20140015448 | ELECTRONIC DEVICE HAVING A MOTION DETECTOR - A computer is provided that includes a lid having a display and a motion detector to detect motion or movement of a user. | 01-16-2014 |
20140091735 | Fan Conducted Noise Reduction - Apparatus and methods for reducing unwanted conducted noise generated by a DC load | 04-03-2014 |
20140091736 | ELECTRIC VEHICLE - An electric vehicle ( | 04-03-2014 |
20140097770 | MOTOR DRIVING APPARATUS WITH ROTATIONAL SPEED LIMITATION FUNCTION AND FAN APPARATUS WITH ROTATIONAL SPEED LIMITATION FUNCTION - A motor driving apparatus is applied to a fan and motor mechanism and a voltage supply unit. The motor driving apparatus includes a motor driving unit, a voltage division resistor, a first resistor, a first switch unit, a second resistor, a second switch unit, a third resistor, a third switch unit, a transistor switch, and a pulse width modulation unit. The first switch unit, the second switch unit, and the third switch unit are configured to select the rotational speed upper limitation of the fan and motor mechanism for suppressing noise. | 04-10-2014 |
20140125255 | MOTOR CONTROL DEVICE - A motor control device which controls rotation of a motor to which an object to be controlled is connected through a link mechanism, the motor control device comprising: a parameter input means configured to input information about operation start and end positions of the object to be controlled and parameters necessary for controlling the motor including at least rotation speed information of the motor; a position detection means configured to detect a position of the object to be controlled; and a driving control means configured to calculate a deceleration start position from the information about the operation start and end positions to drive the motor, and to perform a subtraction operation on the target rotation speed when it is detected that the object to be controlled has reached the deceleration start position to drive the motor. | 05-08-2014 |
20140125256 | VARIABLE SPEED SWITCH AND ELECTRIC POWER TOOL WITH THE VARIABLE SPEED SWITCH MOUNTED THERETO - A variable speed switch includes a switch main body portion which is accommodated in a housing of an electric power tool and mounted to the housing so as to be capable of relative movement, and a load sensor which is provided in the switch main body portion and capable of outputting an electric signal in proportion to the amount of distortion caused by a pressing force. The switch operating portion is mounted on the surface of the housing so as to be capable of relative displacement with respect to the housing and transmits a pressing force applied to the switch operating portion to the load sensor, with the maximum displacement amount of the switch operating portion being set to equal to or less than 5 mm. | 05-08-2014 |
20140191689 | VEHICLE DRIVING DEVICE - The rear wheel driving device | 07-10-2014 |
20140197762 | MOTOR-DRIVING DEVICE OF AN ELECTRIC CAULKING GUN - A motor-driving device of an electric caulking gun has a micro-controller unit (MCU), a direction-changing module, a motor and a speed sensor. The direction-changing module and the speed sensor are electrically connected to the MCU. The direction-changing module is electrically connected to the motor, and the speed sensor detects a speed of the motor. The MCU is built in with a speed determination procedure comparing an actual speed of the motor acquired from the speed sensor with a preset speed. If the actual speed is lower than the preset speed, it indicates that the resistance at a tube nozzle of the electrical caulking gun increases and the direction-changing module increases the speed of the motor to maintain a preset caulk discharge rate. Given the motor-driving device, the operational inconvenience arising from the unstable caulk discharge rate of conventional electric caulking gun can be tackled. | 07-17-2014 |
20140197763 | Electrically Adjustable Antenna Control System and Method - An electrically adjustable antenna control system includes a controller, an actuation mechanism controlled by the controller, and a feedback loop connected to both of the controller and actuation mechanism. Herein, the controller includes a control board and its imbedded program. The actuation mechanism includes a DC geared motor controlled by the control board and embedded program and an electrically adjustable antenna phase shifter driven by the geared motor. The feedback loop has a travel plate electrically coupled to both of the control board and DC geared motor and a counter device installed on the geared motor. The present invention also provides an electrically adjustable antenna control method realized by the above-mentioned electrically adjustable antenna control system. | 07-17-2014 |
20140197764 | DEVICE FOR STABLE SUBSEA ELECTRIC POWER TRANSMISSION TO RUN SUBSEA HIGH SPEED DC MOTORS OR OTHER SUBSEA DC LOADS - Device for operative connection between a subsea step out cabie far end and subsea toads such as pumps, compressors and control systems, distinctive in that the device is a subsea DC provider (SDCP), and it comprises: a SDCP unit for altering alternating current power received from the step out cable to direct current power for delivery to said loads, a gas and/or liquid filled vessel into which said unit is arranged, and the device is a SDCP for subsea location at a far end of a subsea step out cable connected to at least one AC power source at the step out cable near end, and the step out length is long, which means long enough to cause, stability problems at frequency and power levels feasible for subsea pump and compressor motors, and where the device via the step out cable receives input electrical power at a low enough frequency to have stable transmission and the device, operativeSy connected to the subsea motors, delivers a DC output electrical amperage and voltage feasible for operation of connected pump and compressor motors. System for subsea pressure boosting of hydrocarbon fluid or other fluid, comprising the device. | 07-17-2014 |
20140333230 | Device for recovering, storing and retrieving electricity for a handling door - The device for recovering, storing and retrieving electricity from the decelerations of an electromechanical system such as a flexible curtain of a handling door is made up of a management interface (IG) connected to a frequency inverter (VF) and to a control logic board (CC) controlling the opening and closing of the flexible curtain of a handling door, the management interface (IG) including at least two power capacitors (C | 11-13-2014 |
20140333231 | OPERATING METHOD OF A POWER SUPPLY AND COMMUNICATION ENTITY AND AN ACTUATOR INTENDED TO BE PART OF A HOME-AUTOMATION SYSTEM - Method of operating a power supply and communication entity intended to form part of a system with at least one home-automation actuator comprising an electric motor for driving a movable element in a building, the power supply and communication entity comprising two electrical terminals for linking to the actuator, making it possible to power the actuator and allowing communication between the actuator and the power supply and communication entity, the method comprising two mutually exclusive modes of operation, a command execution mode and a communication mode, to each mode of operation there corresponding a specific power supply signal, the method comprising the steps: —choice of a mode of operation; —generation between the terminals of a power supply signal specific to the mode of operation chosen. | 11-13-2014 |
20140354191 | INVERTER DEVICE FOR DRIVING ELECTRIC MOTOR - An object of the present invention is to provide an inverter device for driving an electric motor, which allows control stability and efficiency to be ensured over a wide region of the speed of the electric motor. The inverter device includes a rotational-speed detection section which detects a rotational speed of the electric motor, a carrier-frequency calculation section which calculates a carrier frequency on the basis of the detected rotational speed, and a carrier-frequency switching section which switches, on the basis of the calculated carrier frequency, the carrier frequency used for performing PWM control on the electric motor. The carrier-frequency calculation section calculates, as the carrier frequency, a frequency increased with an increase in the electric-motor rotational speed detected by the rotational-speed detection section. | 12-04-2014 |
20150091475 | EFFICIENT ENERGY RECOVERY IN DISK DRIVE DURING POWER LOSS - A back electromotive force of a rotating motor is converted into a voltage for a load by driving, in accordance with a duty cycle, at least one switching circuit that couples the back electromotive force to a load through a rectifying circuit. An error signal is generated that is a difference between the load voltage and a reference voltage. The duty cycle is controlled as a function of the error signal to cause the load voltage to approach the reference voltage. | 04-02-2015 |
20150298551 | ELECTRIC POWER CONVERSION CONTROL DEVICE FOR VEHICLE, CONTROL METHOD, AND VEHICLE EQUIPPED THEREWITH - Disclosed is an electric power conversion control device, in which when an overvoltage abnormality of an electric power system is detected, and it is detected that a vehicle is not in collision, a switching control unit stops the switching of an inverter, whereby an element of the inverter is prevented from being subjected to an overvoltage. In a case where an overvoltage abnormality of the electric power system is detected, and when it is detected that the vehicle is in collision, the switching control unit performs the switching of the inverter, whereby electrical energy of the electric power system is rapidly consumed by a motor generator. Accordingly, it is possible to properly control the switching of an electric converter depending on whether an overvoltage abnormality occurs and a vehicle is in collision. | 10-22-2015 |
20150306976 | REVERSE EQUIPMENT FOR MOTORCYCLE - Disclosed is a reversing device for a motorcycle, including: a housing having first and second output holes; a first output shaft installed in the housing through the first output hole; a second output shaft installed in the housing through the second output hole; a motor supplying power to the first output shaft or the second output shaft; a first solenoid supplying operating power to the first output shaft; a second solenoid supplying operating power to the second output shaft; a decelerating part decelerating the power of the motor to transmit the decelerated power to the second output shaft; and a controller transmitting a driving signal to the motor, the first solenoid or the second solenoid. | 10-29-2015 |
20150321581 | SEAT DRIVING APPARATUS - A seat driving apparatus includes: a rotary motor; operation members arranged so as to correspond to positional adjustment mechanisms; clutch mechanisms arranged so as to correspond to the positional adjustment mechanisms and selectively connecting the corresponding positional adjustment mechanism with the rotary motor; switch cam members sharing a same first rotary axis so as to be pivotally supported thereabout, respectively joined to the operation members so as to be driven therewith, and respectively including switch cam portions; a switch lever pivotally supported about a second rotary axis, including a pressed portion and regulation portions, causing the pressed portion to be pressed by the corresponding switch cam portion, and causing the regulation portion to block turning tracks of other switch cam portions; and a switch electrifying the rotary motor through a polarity coping with a turning direction in response to the turning of the switch lever. | 11-12-2015 |
20150330011 | DRIVE MOTOR FOR DRUM WASHING MACHINE, DRUM WASHING MACHINE HAVING SAME, AND DRIVE METHOD THEREOF - A drive motor includes: a double stator including a stator core, a first coil wound on one side of the stator core, and a second coil wound around the other side of the stator core; and a double rotor including a rotor support connected to a drum via a rotating shaft, an outer rotor fixed to the rotor support and arranged with a gap on the outer surface of the stator, and an inner rotor fixed to the rotor support and arranged with a gap on the inner surface of the stator. The drive motor drives to rotate two rotors of the double rotor by applying a drive power to the first and second coils at wash and rinsing strokes, and drives to rotate only one rotor of the double rotor by applying the drive power to only one of the first and second coils at a dehydration stroke. | 11-19-2015 |
20160041555 | MOTOR CONTROLLER - This application describes the software invented to control a dual electric motor system. The dual electric motor system is a Chorus Motor system applied to electric drive for aircraft taxi. The software uses closed-loop control together with several other control laws to operate the motors. Knowledge of the current operating state of the motors, together with knowledge of the commands given to taxi forward, taxi in reverse, or brake in reverse, is used to configure the motors to optimal operating parameters. The software architecture is described along with the pilot interface and many details of software implementation. | 02-11-2016 |
20160045090 | SYSTEM AND METHOD OF RESETTING POWER IN A CLEANING SYSTEM - A cleaning system including a body; a motor; a switch; an unit removable from the body; and a power reset device. The switch configured to provide power to the motor upon receiving a first input, and prohibit power to the motor upon receiving a second input. The power reset device configured to prohibit power to the motor upon removal of the removable unit from the body, and provide power to the motor upon replacement of the removable unit onto the body and the switch receiving a third input. | 02-18-2016 |
20160060801 | METHOD OF BRAKING A ROTATING DRUM - A method of braking a rotating drum in a laundry treating apparatus having a rotating drum rotatably driven by a single-phase permanent split capacitor (PSC) motor includes energizing a first winding of the PSC motor to apply a first rotational force to the drum to effect a rotation of the drum in a first direction and energizing a second winding of the PSC motor to apply a braking force. | 03-03-2016 |
20160141752 | ANTENNA ARRAY CONTROL APPARATUS, METHOD, AND SYSTEM - The embodiments of the present application disclose an antenna array control apparatus, method, and system. The apparatus includes a link establishing unit, multiple modems, and multiple AISG interfaces, and the AISG interfaces are configured to receive an antenna array configuration signal; the multiple modems are connected to the link establishing unit, and the modems are configured to decode the antenna array configuration signal to obtain an antenna array configuration instruction; and the link establishing unit is connected to multiple electric motors and configured to establish a communications link between each electric motor and one modem according to the antenna array configuration instruction. The multiple AISG interfaces are used in the apparatus as control ports, and a communications link between an antenna array and the multiple AISG interfaces can be connected in multiple manners, so that multiple antenna arrays are more flexibly controlled. | 05-19-2016 |
20160161943 | ELECTRONIC DEVICE HAVING A MOTION DETECTOR - A computer is provided that includes a lid having a display and a motion detector to detect motion or movement of a user. | 06-09-2016 |
20160185259 | VEHICLE SEAT CONTROLLER - A vehicle seat controller includes a feedback controller, a speed instruction value setting unit, and an entrapment determination unit. The feedback controller performs speed feedback control so that a rotation speed of the motor follows a speed instruction value based on a difference of the speed instruction value and an actual speed of the rotation speed of the motor. The speed instruction value setting unit sets the speed instruction value in accordance with a position of the vehicle seat. The entrapment determination unit determines entrapment of a foreign object entrapped by the vehicle seat when the vehicle seat is motor-driven. When the entrapment determination unit makes a foreign object entrapment determination, the speed instruction value setting unit changes the speed instruction value for an entrapment position of the vehicle seat to a low speed value that is smaller than a predetermined initial value. | 06-30-2016 |
20160190955 | DC POWER-SUPPLY DEVICE AND REFRIGERATION-CYCLE APPLICATION DEVICE INCLUDING THE SAME - To provide a DC power-supply device that can suppress voltage unbalance of a plurality of capacitors serially connected between both terminals of a load, achieve stable drive of the load and long life of the capacitors, and contribute to high reliability, in a configuration in which an alternating current is converted into a direct current and is supplied to a load, and a refrigeration-cycle application device including the DC power-supply device. The DC power-supply device includes a rectifier circuit, a reactor connected to an input or an output side of the rectifier circuit, a first capacitor and a second capacitor serially connected between output terminals to a load, a charging unit that selectively charges one or both of the first capacitor and the second capacitor, and further includes a control unit that controls the charging unit so that voltage unbalance between the first capacitor and the second capacitor is suppressed. | 06-30-2016 |
20190144029 | MOTOR CONTROL APPARATUS, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL METHOD | 05-16-2019 |
20190144030 | MOTOR CONTROL APPARATUS, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL METHOD | 05-16-2019 |