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| Number | Title | Issue Date |
| 7070117 | Feedback apparatus for air-conditioning actuator for vehicle A feedback apparatus for a vehicle air-conditioning actuator is provided. The feedback apparatus includes a cover plate including a thin plate resistor formed on the bottom thereof, a small case combined with the cover plate, including an assembly protruding portion... | 07/04/2006 |
| 7061202 | Automobile servomotor controller An automobile servomotor controller includes a master control unit having a master control circuit for transmitting a designation signal and a slave unit having a motor and a control circuit which controls driving of a motor by outputting an operation signal to a dr... | 06/13/2006 |
| 7032975 | Medical or dental treatment chair The invention relates to a medical or dental treatment chair (1) having a seat part (2), a back part (4), a carrier part (16) arranged on the back part (4), an intermediate lever (23) which with its one end is pivotably conn... | 04/25/2006 |
| 6853160 | Air conditioning valve actuator for a motor vehicle An air conditioning valve actuator for a motor vehicle operating on an electric step motor with a permanent magnet capable of delivering mechanical power at least equal to 50 mW, and a reduction unit for decreasing the amplitude of the angular pitch and increase the... | 02/08/2005 |
| 6545441 | Actuator for driving a driven member An actuator system having a controller, a motor, and a feedback device, wherein an output shaft of the motor is connected to the feedback device. The controller directs the application of power to the motor and the feedback device produces a signal indica... | 04/08/2003 |
| 6060856 | Motor operated valve apparatus DC motor-driven valve apparatus, comprising, in combination a valve unit having fluid input and output porting, the valve unit having a valve shaft rotatable between primary and secondary positions corresponding to different flow states; a reversible DC m... | 05/09/2000 |
| 5990586 | Multi-actuator having position controller Feedback potentiometer-type servoactuator uses the ring gear of a planetary gear system to drive the wiper across a resistive arc of less than 360° where the actuator has a travel of multiple turns. The ring gear is supported by spaced struts in the actu... | 11/23/1999 |
| 5856733 | Positioning apparatus The upper limit value and lower limit value of a control target value are alternately supplied to a single D/A converter in synchronism with a clock, an analog output from the D/A converter is compared with an output from a PBR serving as a position detec... | 01/05/1999 |
| 5389864 | Actuator with motor and feedback driven by a common power supply An actuator system has a motor and an output shaft connected to a potentiometer that provides shaft position information. The motor and potentiometer are electrically connected to a common power supply. A microcomputer controls the application of power to... | 02/14/1995 |
| 4871011 | Air-conditioning equipment for vehicle An air-conditioning equipment for a vehicle includes first and second local shutter control units each having a motor for moving a shutter, a drive circuit for driving the motor, a controlling device responsive to a heat load signal to control the drive c... | 10/03/1989 |
| 4758770 | Servosystem for controlling the voltage in X-ray generators A servosystem for controlling the voltage in X-ray generators includes a system for controlling the voltage of the primary of a high voltage transformer for feeding the X-ray tubes. A servosystem controls the position and adjustment of acceleration, unifo... | 07/19/1988 |
| 4616164 | Feedback servo actuator A feedback potentiometer type servoactuator having a plastic housing shell with small high RPM low voltage motor and non-metallic gear reduction train for driving an output shaft. The shell and cover plate provide structural support for gear journalling a... | 10/07/1986 |
| 4583032 | Linear motion encoder A linear motion encoder which employs a potentiometer type motion detector. It includes an elongated rectangular or cylindrical housing in which are one or two rails for guiding an insulated block to move lengthwise of the housing while being moved by a s... | 04/15/1986 |
| 4530243 | Method for determining the position of a measuring sensor or a probe In an improved method for determining the position of a measuring sensor or probe (1), such as a probe for ultrasonic examination of an object (2), use is made of at least two mutually crossing bars (3a, 3b, 3c) of electrically conducting material in cons... | 07/23/1985 |
| 4190792 | Positioning control system A position control system capable of relatively great positioning accuracy includes a universal electric motor and a gear box for transferring the motion of the motor and an object being positioned. The position control system includes a conductive brush ... | 02/26/1980 |
| 4159445 | Multiple purpose feedback control system Multiple purpose feedback control system comprising and characterized by a detecting means for detecting the controlled variable and converting the detected variable into a feedback signal output; a signal converting means for receiving the feedback signa... | 06/26/1979 |
| 4129815 | Postal meter actuator Actuator for operating the arcuately moving levers of a postal meter in accordance with output signals from a computing postal scale. The actuator includes drive shoes which engage the levers and are driven along a linear path generally parallel to the ar... | 12/12/1978 |
| 4128797 | Chair for dental treatment A chair for dental treatment having a seat proper with operating mechanisms, comprising power circuits for driving the respective operating mechanisms, position detectors for detecting the movements of the seat proper, a power supply connected to said pos... | 12/05/1978 |
| 3939388 | Self-balancing instrument A multi-range, self-balancing instrument using a Zener diode circuit and a phase compensating circuit is disclosed. The Zener diode circuit is capable of generating a white noise, which is effectively applied to the self-balancing system whereby the dead ... | 02/17/1976 |
