H03G 7/06
Volume compression or expansion in amplifiers: having semiconductor devices
Official title: having semiconductor devices
H03G7/06 (Volume compression or expansion in amplifiers: having semiconductor devices) appears on 281 US grants and 178 published applications in this corpus.
Search patents in H03G- Granted patents
- 281
- Published applications
- 178
- Assignees
- 179
- Inventors
- 448
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 5 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 3 |
| 2002 | 4 | 18 |
| 2003 | 11 | 14 |
| 2004 | 16 | 9 |
| 2005 | 9 | 8 |
| 2006 | 12 | 8 |
| 2007 | 9 | 9 |
| 2008 | 10 | 10 |
| 2009 | 9 | 13 |
| 2010 | 5 | 4 |
| 2011 | 7 | 4 |
| 2012 | 11 | 4 |
| 2013 | 4 | 6 |
| 2014 | 5 | 3 |
| 2015 | 3 | 4 |
| 2016 | 3 | 4 |
| 2017 | 5 | 7 |
| 2018 | 4 | 4 |
| 2019 | 10 | 5 |
| 2020 | 10 | 17 |
| 2021 | 13 | 10 |
| 2022 | 8 | 6 |
| 2023 | 8 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Auto-recovery overcurrent protection for audio notification appliance circuit in fire protection system6 Oct 2026US 12,756,974 B2Tyco Fire & Security GmbH
- Clipping prevention in switched mode drivers26 May 2026US 12,640,694 B2Cirrus Logic, Inc.
- Clipping prevention in switched mode drivers8 Jul 2025US 12,356,158 B2Cirrus Logic, Inc.
- Power limiter configuration for audio signals8 Oct 2024US 12,113,489 B2Biamp Systems, LLC
- Power limiter configuration for audio signals30 Jan 2024US 11,888,450 B2Biamp Systems, LLC
- Current-sourcing temperature compensated logarithmic transimpedance amplifier using npn matched transistors with output adjustable voltage18 Jun 2026US 2026/0170274 A1Ciena Corporation
- Current converter circuit12 Mar 2026US 2026/0074666 A1NXP B. V.
- Apparatus and systems for a detector cell in a successive detection logarithmic amplifier15 Jan 2026US 2026/0019057 A1
- Auto-recovery overcurrent protection for audio notification appliance circuit in fire protection system25 Dec 2025US 2025/0392860 A1Tyco Fire & Security GmbH
- Method and circuit for measuring a current24 Jul 2025US 2025/0239979 A1STMicroelectronics International N. V.
Most cited
By later US patents
- System output control method and apparatus202US 7,027,981 B22006
- Variable-gain amplifier controlled by an analog signal and having a large dynamic range106US 5,077,541 AAnalog Devices, Inc. · 1991
- Differential-input single-supply variable gain amplifier having linear-in-dB gain control101US 5,684,431 AAnalog Devices, Inc. · 1997
- Peak accelerated compressor91US 5,463,695 AAphex Systems, Ltd. · 1995
- Variable attack and release system and method86US 7,212,640 B22007