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Class Information
Number: 318/690
Name: Electricity: motive power systems > Self-synchronous type of motor
Description: Subject matter in which a motor acts as a receiver or slave device with respect to a master or transmitter device. The receiver motor is termed "self-synchronous" in that it has the ability to produce torque in direct response to a command from the transmitter and to position itself in response to the command. No additional feedback loop or servomotors are included in these systems.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7106011 |
Web roller assist drive |
Sep. 12, 2006 |
| 6759826 |
Control strategy for switched reluctance drive systems |
Jul. 6, 2004 |
| 6605917 |
Method and a device for controlling and regulating an alternating current rotating electrical machine, in particular a synchronous alternating current rotating electrical machine |
Aug. 12, 2003 |
| 6465981 |
Adaptive anti-windup method and apparatus for disc drive servo control |
Oct. 15, 2002 |
| 6404160 |
Numerical control apparatus |
Jun. 11, 2002 |
| 6359409 |
Encoder |
Mar. 19, 2002 |
| 5514978 |
Stator turn fault detector for AC motor |
May. 7, 1996 |
| 5485064 |
Self-synchronous motor and electrical traction system using a self-synchronous motor |
Jan. 16, 1996 |
| 5473227 |
Self-synchronous electrical motor |
Dec. 5, 1995 |
| 5389866 |
Controller for a step motor |
Feb. 14, 1995 |
| 4678978 |
Quieting circuits for permanent magnet synchronous motors |
Jul. 7, 1987 |
| 4598289 |
Control device for a synchro receiver |
Jul. 1, 1986 |
| 4445076 |
Control system for synchronous motor employed as servomotor |
Apr. 24, 1984 |
| 4327363 |
System for transmitting heading information from a compass to several followers |
Apr. 27, 1982 |
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