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Your search returned 623 patents.
( 318/599 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 7084590 | Booster and motor controller
| May 25, 2004 |
| 7079758 | PWM driving apparatus
| March 9, 2004 |
| 7076159 | Method and apparatus for generating accurate fan tachometer readings
| August 8, 2003 |
| 7075266 | Apparatus for controlling an a. c. motor
| March 26, 2004 |
| 7069172 | Method and apparatus for accurate fan tachometer readings of PWM fans with different speeds
| May 11, 2004 |
| 7064511 | Autofan combination of zones
| January 16, 2004 |
| 7064510 | Controller arrangement with automatic power down
| March 15, 2005 |
| 7061201 | System for controlling the speed of a motor of an electric fan unit, notably for an automobile heating and/or air conditioning installation
| March 4, 2005 |
| 7053572 | Limiting circuit and electric motor driving device using the same
| January 23, 2004 |
| 7049779 | Motor drive control apparatus, motor drive control method and program of the same
| July 22, 2005 |
| 7049778 | Inverter control apparatus and inverter control method
| February 9, 2005 |
| 7049777 | Motor control device and motor control method
| October 26, 2004 |
| 7049771 | Multi-phase carrier signal generator and multi-phase carrier signal generation method
| January 26, 2005 |
| 7038422 | Electrical actuator system and vehicle air conditioner using the same
| December 17, 2004 |
| 7038420 | Method of regulating an electric motor and corresponding electric motor
| October 9, 2002 |
| 7038419 | Compressor drive
| July 28, 2000 |
| 7034483 | Vehicle steering apparatus and method for controlling the same
| June 3, 2004 |
| 7030584 | Controller arrangement
| November 10, 2004 |
| 7029239 | Piecewise linear control of the duty cycle of a pulse width modulated signal
| May 19, 2003 |
| 7023157 | Stepping motor drive device and method
| October 25, 2004 |
| 7023152 | Driving control device for actuator
| December 23, 2003 |
| 7015664 | Motor drive control
| March 3, 2005 |
| 7012396 | Increased digital spindle motor control resolution through dither
| September 30, 2004 |
| 6998815 | Motor drive control device
| June 6, 2005 |
| 6998806 | Motor stop control device for gaming machine and gaming machine with the same
| November 15, 2004 |
| 6998801 | Motor drive device and motor drive integrated circuit device
| February 17, 2005 |
| 6997684 | Fan motor with digital controller for applying substantially constant driving current
| August 13, 2001 |
| 6995537 | Closed-loop control system to mitigate PWM switching noise
| February 14, 2005 |
| 6989650 | AC motor control system using parallel integrated sub systems
| September 11, 2003 |
| 6984953 | Method and apparatus for reconstructing motor current from DC bus current
| January 20, 2004 |
| 6982531 | Driving circuit for switches of direct current fan motor
| August 29, 2003 |
| 6979970 | Sensorless motor driving device and its driving method
| June 29, 2004 |
| 6979968 | Method and system for managing processor execution time utilizing variable frequency switching
| October 1, 2003 |
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