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Class Information
Number: 318/696
Name: Electricity: motive power systems > Open-loop stepping motor control systems
Description: Subject matter in which a rotary electric motor; of the type in which the rotary element tends to assume a predetermined angular position when the motor is continuously energized; indexes in discrete angular increments of essentially uniform magnitude as a function of pulse inputs derived from outside the motor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622829 |
Rotating electric motor for operating an electric component |
Nov. 24, 2009 |
| 7615961 |
Control device for stepping motor |
Nov. 10, 2009 |
| 7612517 |
Stepping motor controller and gaming machine |
Nov. 3, 2009 |
| 7606116 |
Analogue electronic clock and motor control circuit |
Oct. 20, 2009 |
| 7583045 |
Stepping motor control apparatus, stepping motor control method and stepping motor control program product |
Sep. 1, 2009 |
| 7583038 |
Motor-driving circuit and recording apparatus including the same |
Sep. 1, 2009 |
| 7571907 |
Driving apparatus |
Aug. 11, 2009 |
| 7570007 |
Method of controlling stepping motor, apparatus for controlling stepping motor, and printer |
Aug. 4, 2009 |
| 7560892 |
Method of controlling stepping motor, apparatus for controlling stepping motor, and printer |
Jul. 14, 2009 |
| 7541768 |
Step motor control circuit and method of generating step motor control signal |
Jun. 2, 2009 |
| 7538513 |
Step motor drive circuit and analog electronic timepiece |
May. 26, 2009 |
| 7528568 |
Vector controller for permanent magnet synchronous motor |
May. 5, 2009 |
| 7528567 |
Safety interlock system and method for disrupting stepper motor control signals |
May. 5, 2009 |
| 7495409 |
Method and apparatus for eliminating stall and cogging in multi-phase stepping motors |
Feb. 24, 2009 |
| 7482772 |
Motor stop control device utilizable for gaming machine and gaming machine using the same |
Jan. 27, 2009 |
| 7477028 |
Actuator control system |
Jan. 13, 2009 |
| 7466461 |
Multi-purpose scan device using the same power source |
Dec. 16, 2008 |
| 7463004 |
Planetary dual stepper drives |
Dec. 9, 2008 |
| 7459875 |
Control device for stepping motor |
Dec. 2, 2008 |
| 7453230 |
Synchronization circuit and method of performing synchronization |
Nov. 18, 2008 |
| 7439701 |
Method and device for detecting initial excitation phase of stepping motor |
Oct. 21, 2008 |
| 7432682 |
Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
Oct. 7, 2008 |
| 7432680 |
Circuit and method for controlling motor |
Oct. 7, 2008 |
| 7429846 |
Stepping motor control apparatus |
Sep. 30, 2008 |
| 7427848 |
Skew correction system and method of controlling a skew correction system |
Sep. 23, 2008 |
| 7427847 |
Stepping motor controller, printer, stepping motor control method and stepping motor control program product |
Sep. 23, 2008 |
| 7421193 |
Digital motor control system and method |
Sep. 2, 2008 |
| 7414425 |
Damping control in a three-phase motor with a single current sensor |
Aug. 19, 2008 |
| 7405532 |
Microstepper motor device and method of controlling the device |
Jul. 29, 2008 |
| RE40370 |
Electronic watch |
Jun. 10, 2008 |
| 7379665 |
Driving device and light-amount adjusting device provided with the same |
May. 27, 2008 |
| 7378813 |
Method and device for determining the zero position of a yarn guide capable of cross-winding |
May. 27, 2008 |
| 7362072 |
Method for controlling two-phase stepping motor |
Apr. 22, 2008 |
| 7355358 |
Configurable H-bridge circuit |
Apr. 8, 2008 |
| 7352150 |
Stepping motor driving apparatus and stepping motor driving method |
Apr. 1, 2008 |
| 7348753 |
Fan motor |
Mar. 25, 2008 |
| 7345447 |
Adaptive current control system for a stepper motor |
Mar. 18, 2008 |
| 7342690 |
Method and apparatus for reading image |
Mar. 11, 2008 |
| 7342377 |
Stepping-motor control apparatus and method of controlling the apparatus |
Mar. 11, 2008 |
| 7332887 |
Image forming apparatus |
Feb. 19, 2008 |
| 7330009 |
Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation |
Feb. 12, 2008 |
| 7327116 |
Stepper motor accelerating system and method |
Feb. 5, 2008 |
| 7327115 |
Stepping motor control apparatus, stepping motor control method, and stepping motor control program product |
Feb. 5, 2008 |
| 7324245 |
Rotating driving apparatus and image reading apparatus |
Jan. 29, 2008 |
| 7323844 |
Circuit and method for control of a stepper motor |
Jan. 29, 2008 |
| 7323839 |
Direct current motor controlling method |
Jan. 29, 2008 |
| 7304449 |
Stepping motor control apparatus, stepping motor control method, and stepping motor control program product |
Dec. 4, 2007 |
| 7301300 |
Method and circuit arrangement for operating stepper motors |
Nov. 27, 2007 |
| 7298283 |
Device for detecting line-disconnection in stepping motor driver |
Nov. 20, 2007 |
| 7283428 |
Step motor drive unit and analog electronic timepiece |
Oct. 16, 2007 |
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