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Class Information
Number: 318/271
Name: Electricity: motive power systems > Plural diverse motor controls > Running-speed control > With acceleration control
Description: Subject matter in which means are also provided for controlling the acceleration of the motor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619379 |
Motor control device and setting method thereof |
Nov. 17, 2009 |
| 7589488 |
Motor control apparatus |
Sep. 15, 2009 |
| 7579796 |
Controller for a multi-phase brushless DC motor |
Aug. 25, 2009 |
| 7468590 |
Method and apparatus for initializing operation of a disk drive |
Dec. 23, 2008 |
| 7400103 |
Controller for a multi-phase brushless DC motor |
Jul. 15, 2008 |
| 7332883 |
Method and apparatus for initializing operation of a disk drive |
Feb. 19, 2008 |
| 7253580 |
Method and apparatus for adaptive motor speed control |
Aug. 7, 2007 |
| 7141946 |
Method and apparatus for providing optimal acceleration feedback |
Nov. 28, 2006 |
| 7102309 |
Apparatus for compensating for speed error of motor |
Sep. 5, 2006 |
| 7091685 |
Overload protection for DC motors |
Aug. 15, 2006 |
| 7061194 |
Method and apparatus for controlling constant linear velocity of spindle motor using mirror signal |
Jun. 13, 2006 |
| 6915538 |
Smooth start system for power chair |
Jul. 12, 2005 |
| 6836087 |
Multiphase motor voltage control for phase windings of different wire gauges and winding turns |
Dec. 28, 2004 |
| 6828747 |
Electric actuator and method of controlling the same |
Dec. 7, 2004 |
| 6822411 |
Method and apparatus for controlling motors |
Nov. 23, 2004 |
| 6696804 |
Electronically commutatable motor comprising an electronic control unit |
Feb. 24, 2004 |
| 6538412 |
Method for controlling a power drive system |
Mar. 25, 2003 |
| 6275348 |
Magnetic tape apparatus and method |
Aug. 14, 2001 |
| 6232737 |
Method of detecting, diagnosing and automatically correcting abnormalities in servo control system |
May. 15, 2001 |
| 5877955 |
Transducerless position determining system and method for the same |
Mar. 2, 1999 |
| 5825150 |
Method of detecting, diagnosing and automatically correcting abnormalities in servo control system |
Oct. 20, 1998 |
| 5824975 |
Speed control apparatus for compensating vibration of elevator |
Oct. 20, 1998 |
| 5808429 |
Method of and apparatus for controlling motor |
Sep. 15, 1998 |
| 5808431 |
Motor rotational speed control apparatus |
Sep. 15, 1998 |
| 5761376 |
System and method of motor control |
Jun. 2, 1998 |
| 5726544 |
Speed control apparatus and method for electric car |
Mar. 10, 1998 |
| 5587635 |
Robot control apparatus for monitoring load on robot |
Dec. 24, 1996 |
| 5559408 |
Apparatus for controlling a motor using piezoelectric resistance |
Sep. 24, 1996 |
| 5510683 |
Motor speed control device |
Apr. 23, 1996 |
| 4746846 |
Direct current motor control, and uses to measure force, and with a physical exercise device |
May. 24, 1988 |
| 4673852 |
Device for the electric low-voltage driving of a rotatable mass having high inertia and a motor which is part of said device |
Jun. 16, 1987 |
| 4656403 |
Digital speed control circuit for a DC motor |
Apr. 7, 1987 |
| 4649328 |
Method for automatic speed loop tune-up in a machine drive |
Mar. 10, 1987 |
| 4648473 |
Speed control for an electric golf car |
Mar. 10, 1987 |
| 4549121 |
Motor minimum speed start-up circuit for electric motors |
Oct. 22, 1985 |
| 4494056 |
Motor driving circuit |
Jan. 15, 1985 |
| 4493398 |
Drive control for a transportation system, especially an elevator |
Jan. 15, 1985 |
| 4449082 |
Motor speed control system |
May. 15, 1984 |
| 4430605 |
Motor control system utilizing switched controller |
Feb. 7, 1984 |
| 4332208 |
Sewing machine speed control circuit |
Jun. 1, 1982 |
| 4305026 |
Device for driving a DC motor with feedback control |
Dec. 8, 1981 |
| 4300079 |
DC Motor control system |
Nov. 10, 1981 |
| 4232257 |
Web transport capstan control system |
Nov. 4, 1980 |
| 4226546 |
Printer control system |
Oct. 7, 1980 |
| 4109190 |
Circuit for increasing the operating speed range of a velocity servo system |
Aug. 22, 1978 |
| 4097788 |
Control circuit for a self-starting electric motor |
Jun. 27, 1978 |
| 4028601 |
Multi-loop direct current motor regulating system protected against windup by a clamp circuit |
Jun. 7, 1977 |
| 3931555 |
Acceleration control system for a d-c motor |
Jan. 6, 1976 |
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