H03G 3/3026
The gain being discontinuously variable
Official title: {the gain being discontinuously variable, e.g. controlled by switching}
H03G3/3026 (The gain being discontinuously variable) appears on 265 US grants and 224 published applications in this corpus.
Search patents in H03G- Granted patents
- 265
- Published applications
- 224
- Assignees
- 170
- Inventors
- 493
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 3 | 3 |
| 2005 | 4 | 10 |
| 2006 | 3 | 9 |
| 2007 | 3 | 3 |
| 2008 | 5 | 9 |
| 2009 | 5 | 5 |
| 2010 | 8 | 6 |
| 2011 | 9 | 6 |
| 2012 | 4 | 13 |
| 2013 | 3 | 10 |
| 2014 | 5 | 10 |
| 2015 | 15 | 16 |
| 2016 | 10 | 9 |
| 2017 | 20 | 12 |
| 2018 | 17 | 16 |
| 2019 | 15 | 18 |
| 2020 | 26 | 15 |
| 2021 | 6 | 9 |
| 2022 | 9 | 9 |
| 2023 | 9 | 11 |
| 2024 | 4 | 9 |
| 2025 | 11 | 5 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transients minimization of digital systems due to memory update18 Aug 2026US 12,712,509 B2Infineon Technologies AG
- Filtering architecture with transients minimization due to temporary scaling19 May 2026US 12,633,887 B2Infineon Technologies AG
- Variable gain low noise amplifier and method for controlling gain of variable gain low noise amplifier14 Apr 2026US 12,603,624 B2Mediatek Inc.
- Stacked digital current steering automatic gain control attenuator14 Apr 2026US 12,603,625 B2Motorola Solutions, Inc.
- Networked playback device24 Feb 2026US 12,561,109 B2Sonos, Inc.
- Variable gain low noise amplifier and method for controlling gain of variable gain low noise amplifier9 Jul 2026US 2026/0196977 A1Mediatek Inc.
- Audio amplification device2 Jul 2026US 2026/0189188 A1Elite Semiconductor Microelectronics Technology Inc.
- Automatic gain controller25 Jun 2026US 2026/0180535 A1Elite Semiconductor Microelectronics Technology Inc.
- Circuitry for and Methods of Gain Control16 Apr 2026US 2026/0106590 A1Cirrus Logic International Semiconductor Ltd.
- Buzzer driving system and method thereof2 Apr 2026US 2026/0095138 A1Nuvoton Technology Corporation
Most cited
By later US patents
- User profile based audio adjustment techniques219US 8,989,406 B2Sony Corporation · 2015
- Attention-based dynamic audio level adjustment165US 8,874,448 B1Google Inc. · 2014
- Amplifier with modulated resistor gain control155US 4,873,492 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Audio limiter using voltage multiplexed feedback146US 4,978,926 AFord Motor Company · 1990
- Leaving group and smart line-in processing127US 10,108,393 B2Sonos, Inc. · 2018