H03F 3/3061
Bridge type, i.e. two complementary controlled sepp output stages
Official title: {Bridge type, i.e. two complementary controlled SEPP output stages}
H03F3/3061 (Bridge type, i.e. two complementary controlled sepp output stages) appears on 93 US grants and 57 published applications in this corpus.
Search patents in H03F- Granted patents
- 93
- Published applications
- 57
- Assignees
- 76
- Inventors
- 174
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 2 |
| 2002 | 9 | 4 |
| 2003 | 3 | 0 |
| 2004 | 4 | 1 |
| 2005 | 1 | 6 |
| 2006 | 2 | 3 |
| 2007 | 2 | 1 |
| 2008 | 4 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 2 |
| 2017 | 6 | 5 |
| 2018 | 3 | 2 |
| 2019 | 3 | 4 |
| 2020 | 3 | 4 |
| 2021 | 4 | 2 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 3 | 7 |
| 2025 | 4 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multichannel driver circuitry and operation24 Mar 2026US 12,587,191 B2Cirrus Logic, Inc.
- High-efficiency high-swing Voltage Mode Logic driver systems and methods20 Jan 2026US 12,531,557 B2Analog Devices, Inc.
- Full-bridge class D amplifier30 Dec 2025US 12,512,794 B2Paeonia Development AB
- Clipping prevention in switched mode drivers8 Jul 2025US 12,356,158 B2Cirrus Logic, Inc.
- Booster stage circuit for power amplifier20 May 2025US 12,308,796 B2Axign B.V.
- Low-noise amplifier30 Jul 2026US 2026/0221945 A1
- Multichannel driver circuitry and operation14 May 2026US 2026/0135558 A1Cirrus Logic International Semiconductor Ltd.
- Booster stage circuit for power amplifier10 Apr 2025US 2025/0119101 A1Axign B.V.
- Multichannel driver circuitry and operation12 Dec 2024US 2024/0413822 A1Cirrus Logic International Semiconductor Ltd.
- Increasing digital power amplifier efficiency by reusing driver current28 Nov 2024US 2024/0396512 A1Renesas Design Austria GmbH
Most cited
By later US patents
- Class-D amplifier input structure103US 6,016,075 ALord Corporation · 2000
- Negative voltage generator56US 5,699,018 AMitsubishi Denki Kabushiki Kaisha · 1997
- Circuit for five level waveform synthesis48US 4,894,621 AWestinghouse Electric Corp. · 1990
- Digital data line driver43US 5,166,635 ALevel One Communications, Inc. · 1992
- Multistage common mode feedback for improved linearity line drivers40US 7,034,611 B2Texas Instruments Incorporated · 2006