Y10S 388/91
Operational/differential amplifier
Y10S388/91 (Operational/differential amplifier) appears on 139 US grants and 5 published applications in this corpus.
Search patents in Y10S- Granted patents
- 139
- Published applications
- 5
- Assignees
- 91
- Inventors
- 212
- Latest grant
- 17 Apr 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 15 | 0 |
| 1989 | 19 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotating speed adjustment circuit and related control system for a heat dissipation fan17 Apr 2012US 8,157,536 B2Anpec Electronics Corporation
- Circuits and methods for a multi-differential embedded-clock channel31 Aug 2010US 7,787,526 B2
- Servo control circuit29 Jun 2010US 7,746,019 B2Chip Goal Electronics Corporation
- Digital signal detection for high speed signaling systems13 Jan 2009US 7,477,704 B1Apple Inc.
- Method of measuring motor speed1 Feb 2005US 6,850,023 B2Johnson Electrics S.A.
- Rotating Speed Adjustment Circuit and Related Control System for a Heat Dissipation Fan4 Mar 2010US 2010/0054964 A1Anpec Electronics Corporation
- Servo Control Circuit6 Aug 2009US 2009/0195207 A1Chip Goal Electronics Corporation
- Circuits and methods for a multi-differential embedded-clock channel18 Jan 2007US 2007/0014340 A1
- Motor overload coil control7 Aug 2003US 2003/0146725 A1Eaton Corporation
- Method of measuring motor speed19 Jun 2003US 2003/0113105 A1Johnson Electrics S.A.
Most cited
By later US patents
- Endoscope system with an electric bending mechanism1,591US 4,499,895 AOlympus Optical Co., Ltd. · 1985
- 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
- Ventilation fan control64US 5,364,026 AControl Resources, Inc. · 1994
- Electric throttle and motor control circuitry52US 5,414,792 ADAX Industries, Inc. · 1995