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| Number | Title | Issue Date |
| 8148932 | System and method for driving a drawer in a refrigerator A system and method for driving a drawer of a refrigerator are provided. This system allows a drawer to be automatically withdrawn from and/or inserted into a main body of the refrigerator. This system also allows a drawer which has been stopped during the withdrawa... | 04/03/2012 |
| 8102138 | Electric power steering apparatus and method of assembling the same A motor control apparatus includes a steering column having inserted therein a steering shaft to which steering torque is transmitted, a reduction gear box coupled to the steering shaft, and an electric motor that transmits a steering assisting force to the steering... | 01/24/2012 |
| 7928684 | Drive device for movable furniture parts An article of furniture includes a drive device for moving a movable furniture part. The drive device includes an electric drive unit and a coupling device for at least temporarily transmitting a force of the electric drive unit to the movable furniture part, and th... | 04/19/2011 |
| 7633258 | Arrangement with a movable portion of an article of furniture An arrangement with a movable portion of an article of furniture, in particular a drawer (3) or the like, includes a drive unit (5) and a regulating device (1) for regulating the drive unit (5). The arrangement has a preferably analog for... | 12/15/2009 |
| 7622881 | Method and apparatus for estimating system inertia where number of motor rotations are restricted A method and apparatus for estimating inertia wherein a load has a limited range of load travel, the method comprising the steps of identifying an intermediate position along the range of load travel that is separated from a first end of the range of load travel, wi... | 11/24/2009 |
| 7508155 | Controller A controller includes a first data acquiring portion for acquiring a time constant of a position control circuit based on a position command value to a drive source and an actual position value, during operation of a controlled object; a second data acquiring portio... | 03/24/2009 |
| 7357025 | Micromachined apparatus with co-linear drive arrays A mass includes a first set of drive fingers interdigitated with a first array of fixed drive fingers and a second set of drive fingers interdigitated with a second array of fixed drive fingers. Each array of fixed drive fingers is affixed to a substrate using a plu... | 04/15/2008 |
| 7359166 | Method and control system for controlling electric motors There is described a method for controlling an electric motor comprising an operating relay having relay windings with respective first and second relay contacts and a control means, which motor via current conductors is connected to said relay and a power source wh... | 04/15/2008 |
| 7352110 | Tool head comprising piezoelectric actuators A tool head includes a holder for accommodating a tool and two actuators each of which is connected to the holder via a web. On the one hand, the actuators enable the holder to be deflected by a few micrometers from a resting position and, on the other hand, enable ... | 04/01/2008 |
| 7348751 | Apparatus for deciding position of traction A hauling unit hauls a subject to bend or rotate the subject. A control unit outputs a control signal that corresponds to a target value that is input by an operating unit. The control unit controls a variation amount of the control signal output in a predetermined ... | 03/25/2008 |
| 7347094 | Coupling apparatus for inertial sensors A coupling apparatus allows anti-phase movements of inertial sensor element frames along parallel axes but substantially prevents in-phase movements of the frames. The coupling apparatus includes a bar coupled between first and second sensor element frames and at le... | 03/25/2008 |
| 7330009 | Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation A method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing oscillation of the motor rotational speed are disclosed. A motor drive controller includes a drive motor, a detector, and a motor drive controller. The drive mo... | 02/12/2008 |
| 7325361 | Apparatus and method for providing a modular sliding door mechanism A modular drive assembly for a sliding door, comprising: a guide track having a hinge slidably received therein; a pair of pulleys disposed on either end of the guide track; a pair of cables each having an end that is secured to the hinge and the other end is secure... | 02/05/2008 |
| 7302848 | Force compensated comb drive A force compensated comb drive for a microelectromechanical system includes a MEMS mechanism for providing an output signal representative of a physical quantity; a comb drive for actuating the MEMS mechanism; a comb drive circuit for providing a drive signal to the... | 12/04/2007 |
| 7301299 | Injection molding machine and a control method of an injection molding machine An injection molding machine has a control device which controls an input to an incorporated motor. The control device sets a setting value a setting value of the motor to be held for a predetermined setting time. Additionally, the control device determines a reduct... | 11/27/2007 |
| 7287428 | Inertial sensor with a linear array of sensor elements An inertial sensor includes at least one pair of sensor elements arranged in a linear array. Each sensor element has a frame and a movable mass suspended within the frame. The frames of each pair of sensor elements may be coupled so that the frames are allowed to mo... | 10/30/2007 |
| 7282884 | Procedure for driving a moveable part of an item of furniture A method of driving a moveable part and, in particular, a drawer by a drive unit and, in particular, an electric drive unit. At least over a partial length of track (S2), forming part of the total track traversed by the moveable part, the force exerted on... | 10/16/2007 |
| 7275332 | Multi-axis positioning apparatus An apparatus for supporting a platform (84) relative to a base (82), has first, second, and third flexible shaft couplings (80). Each flexible shaft coupling (80) is mechanically coupled between the platform (84) and the base (8... | 10/02/2007 |
| 7216539 | Micromachined apparatus with split vibratory masses Each of a number of resonator masses is split into two separate lobes or masses joined together by a short flexure. The short flexure allows the separate lobes or masses to rotate slightly as they resonate so as to substantially relieve longitudinal stresses in cert... | 05/15/2007 |
| 7204144 | Micromachined apparatus with drive/sensing fingers in coupling levers Resonator structures include a plurality of resonator masses interconnected by a plurality of levers so as to resonate in anti-phase with one another. The levers include a plurality of lever fingers interdigitated with corresponding fixed fingers affixed to an under... | 04/17/2007 |
| 7203281 | Encapsulated stator assembly for an x-ray tube An encapsulated stator assembly for use in stator-driven devices is disclosed. The encapsulated stator assembly includes a stator and a covering portion that envelops the stator. The purpose of the covering portion is multi-fold: first, the covering portion serves a... | 04/10/2007 |
| 7157873 | Systems and methods for reducing torque disturbance in devices having an endless belt A system for reducing torque disturbance includes a motor mechanically coupled to an endless belt. The motor is operable to drive the belt, and the belt has a seam that causes a torque disturbance to the system. The system includes a data structure having a set of v... | 01/02/2007 |
| 7089792 | Micromachined apparatus utilizing box suspensions A micromachined gyroscope makes use of Coriolis acceleration to detect and measure rotation rate about a plane normal to the surface of a substrate. Specifically, various resonating structures are suspended within a frame. The resonating structures include phase and... | 08/15/2006 |
| 7050862 | Servo controlling device and method When a position/speed feedback changes while a control system for driving a feed axis uses an integration gain during a shaft stopping, the control system goes unstable to cause a torque instruction to vibrate or diverge. In addition, only a single, narrow-range fee... | 05/23/2006 |
| 7032451 | Micromachined sensor with quadrature suppression Quadrature suppression is provided by placing a resonator mass adjacent to a quadrature suppression electrode. The resonator mass is capable of moving substantially parallel to the quadrature suppression electrode and includes a notch formed adjacent to a portion of... | 04/25/2006 |
| 7023152 | Driving control device for actuator A driving control device for an actuator comprises a driving device to drive an actuator having an electric motor (30) and a driving control device (50) to control the rotation of the electric motor (30) by controlling the driving device. The dr... | 04/04/2006 |
| 7005973 | Electrical actuator assembly for hinged vehicle safety devices A school bus has a stop sign hinged on an electrical actuator assembly that is attached to the side of the bus. The actuator assembly includes an electric motor that pivots the hinged stop sign from a stored position adjacent the bus to an operative position extendi... | 02/28/2006 |
| 6964195 | Micromachined vibratory gyroscope and method with electronic coupling Micromachined vibratory gyroscope and method in which the vibrating masses are coupled electronically, e.g. by electronically adjusting the resonance frequency of one or more of the masses so that all of the masses have the same resonance frequency. ... | 11/15/2005 |
| 6940210 | Inertial rotation device An inertial positioning device comprising: a base plate (10); a top plate (20) for mounting an element to be rotated; a rotation member (16) having a column (18) on which the top plate is mounted in frictional engagement for slip-stick ro... | 09/06/2005 |
| 6861814 | Control parameter automatic adjustment apparatus A control parameter automatic adjustment apparatus acquires a movable range of a drive shaft of a drive system, and automatically generates a test movement program to automatically adjust a control parameter to the drive system even though the movable range changes.... | 03/01/2005 |
| 6678582 | Method and control device for avoiding collisions between cooperating robots A method of avoiding collisions between a robot and at least one other object such as another robot is provided in which the user does not need to make any provisions in a robot program for avoiding collisions and defining common work-areas. Furthermore, ... | 01/13/2004 |
| 6513958 | Vehicle lamp system A vehicle lamp system 1 having a leveling mechanism 2 for controlling the posture of a reflector RF and a stepping motor 3 as a driving source of the leveling mechanism. The lamp system has a detector 5 which may determine whether an external force, such ... | 02/04/2003 |
| 6452354 | Closed loop control system for producing a sealed pouch A system for maintaining a desired sealing force is provided, which incorporates a closed loop control system. The system includes a platen, which has a surface for making contact with one or more items to be sealed, a motor for producing a linear movemen... | 09/17/2002 |
| 6204620 | Method of controlling an intelligent assist device A method of controlling a powered manipulator (10) is disclosed. The powered manipulator (10) includes at least one motor (12), at least one force sensor (14) on a manual control handle (16) and a microprocessor (18) combined with the plurality of the for... | 03/20/2001 |
| 6204619 | Dynamic control algorithm and program for power-assisted lift device A dynamic control system for a power-assist device has a statics formulator for determining a set of static torques for the lift system based on force data from the lift system. The control system further includes a dynamics formulator for determining a s... | 03/20/2001 |
| 6181983 | Method of command control for a robot manipulator Beginning with a successive commanded end-effector destination shift, the method of the invention, which includes a calculation corresponding to a special algorithm of inverse kinematics using the Jacobi Matrix in the control of a manipulator, effects an ... | 01/30/2001 |
| 6157155 | Robot path planning method where bending owing to load is taken into consideration The present invention relates to a robot path planning method for determining the path of a robot, taking into consideration the bending effect of the robot path when heavy tools are load onto the robot. Specifically, straight line P'-Q' to be actually dr... | 12/05/2000 |
| 6097168 | Position control apparatus and method of the same, numerical control program preparation apparatus and method of the same, and methods of controlling numerical control machine tool A position control apparatus has a target setting unit for setting a target position in a direction of the control axis of the controlled object able to be moved in directions of a plurality of control axes by moving unit; a position control unit for inde... | 08/01/2000 |
| 6064169 | Motor amplitude control circuit in conductor-on-insulator tuning fork gyroscope A control system for a tuning fork gyroscope uses motor frequency to control motor amplitude. The tuning fork gyroscope has a drive signal input and an output signal from which motor frequency is determined. A phase/frequency detector generates an error s... | 05/16/2000 |
| 6040665 | Electric brake device An electric brake device includes a disc rotor which is rotatable together with a wheel of an automotive vehicle. An output rod is provided to press a friction pad onto the disc rotor so as to exert a braking force on the wheel. A brake motor is provided ... | 03/21/2000 |
