Y10S 388/915
Sawtooth or ramp waveform generator
Y10S388/915 (Sawtooth or ramp waveform generator) appears on 145 US grants and 3 published applications in this corpus.
Search patents in Y10S- Granted patents
- 145
- Published applications
- 3
- Assignees
- 94
- Inventors
- 261
- Latest grant
- 6 Jul 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Asymmetric control system for a sensorless and brushless electric motor6 Jul 2010US 7,750,585 B2Siemens VDO Automotive Corporation
- Apparatus for controlling rotational speed of motor26 Oct 2004US 6,810,202 B2Prolific Technology Inc.
- Fan motor driving circuit9 Mar 2004US 6,703,803 B2Japan Servo Co., Ltd.
- Speed control circuit of a direct current motor5 Mar 2002US 6,353,705 B1Makita Corporation
- Steering control system for vehicle6 Jun 2000US 6,072,293 AHonda Giken Kogyo Kabushiki Kaisha
- Asymmetric Control System For a Sensorless and Brushless Electric Motor21 Aug 2008US 2008/0197795 A1Siemens VDO Automotive Corporation
- Apparatus for controlling rotational speed of motor18 Mar 2004US 2004/0052510 A1Prolific Technology Inc.
- Fan motor driving circuit21 Aug 2003US 2003/0155886 A1Japan Servo Co., Ltd.
Most cited
By later US patents
- Method for regulating the power supply to a direct-current motor and a device for the application of said method861US 4,468,597 AFaiveley S.A. · 1984
- Speed control circuit for an electric power tool96US 4,412,158 ABlack & Decker Inc. · 1983
- Brushless dc motor unit and method of driving the unit83US 5,640,073 ASanden Corporation · 1997
- Intermittent low speed control for motor operated appliance81US 4,568,193 AJohn Zink Company · 1986
- Low power treadmill80US 4,635,927 ADel Mar Avionics · 1987