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Class Information
Number: 388/907.5
Name: Electricity: motor control systems > Specific control circuit element or device > Computer or microprocessor
Description: Art collection of systems which include digital logic circuitry operating under the control of a stored set of instructions, i.e., a program.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609021 |
Method and arrangement for monitoring signals |
Oct. 27, 2009 |
| 7586281 |
Methods and apparatus for optimal voltage and frequency control of thermally limited systems |
Sep. 8, 2009 |
| 7553030 |
Fan unit and optical apparatus |
Jun. 30, 2009 |
| 7447423 |
Fan speed control device and method detailed description of the invention |
Nov. 4, 2008 |
| 7427842 |
Series motor and method of controlling the same |
Sep. 23, 2008 |
| 7355362 |
Power supply with performance display |
Apr. 8, 2008 |
| 7339334 |
Real-time responsive motor control system |
Mar. 4, 2008 |
| 7323839 |
Direct current motor controlling method |
Jan. 29, 2008 |
| 7288905 |
Integrated circuit and method for trainable control and operation of DC motor |
Oct. 30, 2007 |
| 7276875 |
Multimode integrated modulation circuit for controlling fan rotating speed |
Oct. 2, 2007 |
| 7276878 |
Amperage control for protection of battery over current in power tools |
Oct. 2, 2007 |
| 7218073 |
Fan motor speed control circuit |
May. 15, 2007 |
| 7193377 |
System and method for controlling motor speed using a biased pulse width modulated drive signal |
Mar. 20, 2007 |
| 7180257 |
Method of brake pulse rejection in commutation pulse detection circuits |
Feb. 20, 2007 |
| 7141949 |
Low noise back EMF sensing brushless DC motor |
Nov. 28, 2006 |
| 7141953 |
Methods and apparatus for optimal voltage and frequency control of thermally limited systems |
Nov. 28, 2006 |
| 7133601 |
Amperage control for protection of battery over current in power tools |
Nov. 7, 2006 |
| 7122982 |
DC motor rotation information detecting device |
Oct. 17, 2006 |
| 7116622 |
Optical storage device rotation speed control apparatus and method |
Oct. 3, 2006 |
| 7112934 |
Electrical power tool having a motor control circuit for providing control over the torque output of the power tool |
Sep. 26, 2006 |
| 7075258 |
Power control device of an electric tool, a method of power control of an electric tool and an electric tool provided with a power control device |
Jul. 11, 2006 |
| 7064511 |
Autofan combination of zones |
Jun. 20, 2006 |
| 7038418 |
Numerical control apparatus |
May. 2, 2006 |
| 6965208 |
Motor speed detecting device for use between motor and system |
Nov. 15, 2005 |
| 6949899 |
Brushless DC motor having an AC power control device |
Sep. 27, 2005 |
| 6933702 |
Control method and system for motor |
Aug. 23, 2005 |
| 6819069 |
Arrangement with an electric motor |
Nov. 16, 2004 |
| 6819074 |
Apparatus and method of controlling a driving speed of a motor |
Nov. 16, 2004 |
| 6803736 |
Control system which carries out the model-supported safety monitoring of an electronically regulated controller in the motor vehicle |
Oct. 12, 2004 |
| 6646396 |
Apparatus for motor synchronization |
Nov. 11, 2003 |
| 6586904 |
Compensation for variable voltage |
Jul. 1, 2003 |
| 6563285 |
Stepper motor control system |
May. 13, 2003 |
| 6522094 |
Motor overload coil control and method of calculating operating temperature |
Feb. 18, 2003 |
| 6518723 |
H-bridge motor driving circuit |
Feb. 11, 2003 |
| 6512341 |
Apparatus and method for driving a brushless motor |
Jan. 28, 2003 |
| 6504337 |
Motor modeling using harmonic ampere-turn saturation method |
Jan. 7, 2003 |
| 6483265 |
Methods and systems for minimizing vibration in electric machines |
Nov. 19, 2002 |
| 6445879 |
Apparatus and method for braking a washing machine |
Sep. 3, 2002 |
| 6369530 |
Battery-powered wireless remote-control motorized window covering assembly having controller components |
Apr. 9, 2002 |
| 6369472 |
Device for acquiring operating parameters of an electric motor |
Apr. 9, 2002 |
| 6356044 |
Motor with programming module |
Mar. 12, 2002 |
| 6346789 |
Motor step-less speed control with active feedback of phase detector |
Feb. 12, 2002 |
| 6310453 |
Drive circuit for a speed adjustable fan |
Oct. 30, 2001 |
| 6307346 |
Induction motor load limiting for power steering applications |
Oct. 23, 2001 |
| 6271637 |
Diagnostic system for electric motor |
Aug. 7, 2001 |
| 6262546 |
Variable threshold motor commutation pulse detection circuit |
Jul. 17, 2001 |
| 6259218 |
Battery-powered wireless remote-control motorized window covering assembly having a microprocessor controller |
Jul. 10, 2001 |
| 6215261 |
Application specific integrated circuit for controlling power devices for commutating a motor based on the back emf of motor |
Apr. 10, 2001 |
| 6208100 |
Motor overload coil control |
Mar. 27, 2001 |
| 6198248 |
Method of controlling a rotary electrical machine, a servo-control system for implementing the method, and a rotary machine fitted with such a system |
Mar. 6, 2001 |
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