H03F 3/3084
One of the power transistors being controlled by the output signal
Official title: {one of the power transistors being controlled by the output signal}
H03F3/3084 (One of the power transistors being controlled by the output signal) appears on 8 US grants and 1 published applications in this corpus.
Search patents in H03F- Granted patents
- 8
- Published applications
- 1
- Assignees
- 6
- Inventors
- 8
- Latest grant
- 11 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Shunt regulated push-pull circuit having wide frequency range21 May 2002US 6,392,454 B1Sony Corporation
- High efficiency high isolation amplifier10 Jul 1990US 4,940,949 AAvantek, Inc.
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Most cited
By later US patents
- High efficiency high isolation amplifier15US 4,940,949 AAvantek, Inc. · 1990
- Circuit output stage arrangement13US 4,573,021 A1986
- IC class AB amplifier output stage13US 4,587,491 ANational Semiconductor Corporation · 1986
- Totem pole output circuit with reduced current spikes10US 4,603,268 ANational Semiconductor Corporation · 1986
- Push-pull power amplifier circuit6US 4,015,215 AHitachi, Ltd. · 1977