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Class Information
Number: 318/602
Name: Electricity: motive power systems > Positional servo systems (e.g., servomechanisms) > Digital or numerical systems > Digital comparison > Commutating switch-type encoder
Description: Subject matter in which the digital position feedback is obtained from a commutating switch encoder, which encoder usually converts position information of analogue to digital form.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586283 |
Magnetic encoder device and actuator |
Sep. 8, 2009 |
| 7576504 |
Pivoting and barrier locking operator system |
Aug. 18, 2009 |
| 7508154 |
Integrated motor and resolver including absolute position capability |
Mar. 24, 2009 |
| 7468594 |
Protection device |
Dec. 23, 2008 |
| 7463002 |
Robot controller system |
Dec. 9, 2008 |
| 7377379 |
Transport belt drive control device, image forming device, and transport belt drive control method |
May. 27, 2008 |
| 7375487 |
Geared motor |
May. 20, 2008 |
| 7282883 |
Pivoting and barrier locking operator system |
Oct. 16, 2007 |
| 7227329 |
Wire-saving optical encoder having servomotor identification information |
Jun. 5, 2007 |
| 7224139 |
Servo driver and encoder signal processing IC |
May. 29, 2007 |
| 7221114 |
Conveyance control apparatus and image forming apparatus |
May. 22, 2007 |
| 7209862 |
Self-diagnosing system for encoder |
Apr. 24, 2007 |
| 7183730 |
Method and apparatus for receiving and manipulating sheet material |
Feb. 27, 2007 |
| 7132814 |
Method of calculating correction value and method of manufacturing printer |
Nov. 7, 2006 |
| 7117042 |
Semiconductor device and method for controlling the same |
Oct. 3, 2006 |
| 7103448 |
Robot system |
Sep. 5, 2006 |
| 7049778 |
Inverter control apparatus and inverter control method |
May. 23, 2006 |
| 7049780 |
Door lock transmission element |
May. 23, 2006 |
| 7012397 |
Encoder and control apparatus for motor |
Mar. 14, 2006 |
| 7005821 |
Servomotor controller |
Feb. 28, 2006 |
| 7005815 |
Electric actuator system |
Feb. 28, 2006 |
| 6984954 |
Diagnostic strategy for an electric motor using sensorless control and a position sensor |
Jan. 10, 2006 |
| 6984947 |
Apparatus and method for adjusting components of an optical or mechanical system |
Jan. 10, 2006 |
| 6911798 |
Rotation angle detecting apparatus for synchronous rotary electric machine |
Jun. 28, 2005 |
| 6912427 |
Programmable limit switch with distributed intelligence |
Jun. 28, 2005 |
| 6885164 |
Climate control system and motor actuator therefor |
Apr. 26, 2005 |
| 6873129 |
Method of controlling rotational velocity of a rotatable member during encoder initialization for an imaging apparatus |
Mar. 29, 2005 |
| 6859002 |
Device for controlling an electronically switched motor by means of a position signal |
Feb. 22, 2005 |
| 6853161 |
Recording apparatus, motor control apparatus, and motor control method |
Feb. 8, 2005 |
| 6841962 |
Reciprocating linear actuator |
Jan. 11, 2005 |
| 6838849 |
Serially connected double-phase full-wave brushless dc motor |
Jan. 4, 2005 |
| 6819074 |
Apparatus and method of controlling a driving speed of a motor |
Nov. 16, 2004 |
| 6756760 |
Motor control device and motor control method |
Jun. 29, 2004 |
| 6756759 |
Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor |
Jun. 29, 2004 |
| 6750784 |
Method of linearizing a sine and cosine signal |
Jun. 15, 2004 |
| 6750626 |
Diagnostic strategy for an electric motor using sensorless control and a position sensor |
Jun. 15, 2004 |
| 6747430 |
Control method for servomotor in injection molding machine |
Jun. 8, 2004 |
| 6741048 |
Pulse-controlled electronically commutated motor |
May. 25, 2004 |
| 6605916 |
Rotation position control apparatus of rotary element of filter |
Aug. 12, 2003 |
| 6418274 |
Motor control apparatus and motor control method |
Jul. 9, 2002 |
| 6366047 |
Multi-track absolute encoder |
Apr. 2, 2002 |
| 6333614 |
Method and circuit for monitoring the operating condition of electric motors |
Dec. 25, 2001 |
| 6226558 |
Method of controlling the drive of a computer-controlled conveyor device |
May. 1, 2001 |
| 6194863 |
Method and apparatus for driving a stepping motor |
Feb. 27, 2001 |
| 6133706 |
Printer subsystem motion-control sensor apparatus |
Oct. 17, 2000 |
| 6130516 |
Process and device for monitoring objects |
Oct. 10, 2000 |
| 6118244 |
Circuit arrangement for powering an electric motor |
Sep. 12, 2000 |
| 6111384 |
Method for controlling motor speed |
Aug. 29, 2000 |
| 6107764 |
Drive control for a switched reluctance motor |
Aug. 22, 2000 |
| 6072296 |
Asynchronous motor for a drive mechanism, such as hoists or running gears, with controllable rotational speed and rotational direction |
Jun. 6, 2000 |
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