H02P 8/165
Using two level supply voltage
Official title: {using two level supply voltage}
H02P8/165 (Using two level supply voltage) appears on 17 US grants and 3 published applications in this corpus.
Search patents in H02P- Granted patents
- 17
- Published applications
- 3
- Assignees
- 17
- Inventors
- 39
- Latest grant
- 9 Feb 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for controlling stepping motor9 Feb 2016US 9,257,927 B2Samsung Electronics Co., Ltd.
- Method and apparatus for controlling stopping of vibration generating stepping motor2 Nov 2010US 7,825,619 B2Minebea Motor Manufacturing Corporation
- Stepping motor driving device, lens driving device, and camera20 Jul 2010US 7,759,896 B2Canon Kabushiki Kaisha
- System for controlling stepping motor for dividing a single step of the motor into plural sections and applying voltages whose levels are determined in accordance with the sections24 Nov 1998US 5,841,261 ACanon Kabushiki Kaisha
- Low-power dual voltage drive circuit and method22 Jun 1993US 5,221,885 AMotorola, Inc.
- Apparatus and method for controlling stepping motor16 May 2013US 2013/0119917 A1Samsung Electronics Co., Ltd.
- Method and Apparatus for Controlling Stopping of Vibration Generating Stepping Motor5 Jun 2008US 2008/0129232 A1Minebea-Matsushita Motor Corporation
- Stepping motor driving device, lens driving device, and camera1 May 2008US 2008/0100253 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- System for controlling stepping motor for dividing a single step of the motor into plural sections and applying voltages whose levels are determined in accordance with the sections56US 5,841,261 ACanon Kabushiki Kaisha · 1998
- Pulsed energy stepping motor power control unit20US 4,295,083 AThe Superior Electric Company · 1981
- Control system for inductively controlled multi-phase motor17US 4,172,990 ATexas Instruments Incorporated · 1979
- Method for driving a stepper motor15US 4,490,665 ABeckman Instruments, Inc. · 1984
- Stepping motor drive method and apparatus14US 4,140,955 AFluke Trendar Corporation · 1979