H03G 3/32
The control being dependent upon ambient noise level or sound level
Official title: the control being dependent upon ambient noise level or sound level
H03G3/32 (The control being dependent upon ambient noise level or sound level) appears on 898 US grants and 878 published applications in this corpus.
Search patents in H03G- Granted patents
- 898
- Published applications
- 878
- Assignees
- 421
- Inventors
- 1,655
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 3 |
| 2002 | 3 | 9 |
| 2003 | 5 | 11 |
| 2004 | 6 | 14 |
| 2005 | 1 | 22 |
| 2006 | 12 | 21 |
| 2007 | 13 | 18 |
| 2008 | 5 | 21 |
| 2009 | 8 | 34 |
| 2010 | 8 | 31 |
| 2011 | 20 | 35 |
| 2012 | 31 | 33 |
| 2013 | 26 | 23 |
| 2014 | 26 | 34 |
| 2015 | 45 | 44 |
| 2016 | 50 | 56 |
| 2017 | 57 | 58 |
| 2018 | 66 | 60 |
| 2019 | 89 | 66 |
| 2020 | 63 | 58 |
| 2021 | 43 | 53 |
| 2022 | 55 | 45 |
| 2023 | 44 | 51 |
| 2024 | 39 | 28 |
| 2025 | 28 | 34 |
| 2026 | 23 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic volume leveling6 Oct 2026US 12,756,370 B2Bose Corporation
- Content-aware audio level management15 Sep 2026US 12,738,913 B2Dolby Laboratories Licensing Corporation
- Dynamic audio volume leveling notification system18 Aug 2026US 12,712,511 B2Roku, Inc.
- Vehicle security mode18 Aug 2026US 12,713,478 B2Toyota Connected North America, Inc.
- Method and system for a headset with integrated environmental sensors11 Aug 2026US 12,706,579 B2Voyetra Turtle Beach, Inc.
- System and method to provide personalized audio streaming and rendering13 Aug 2026US 2026/0236215 A1
- Adaptive dynamic range control13 Aug 2026US 2026/0238916 A1Marshall Group AB (Publ)
- Adjusting volume of audio playback based on a detected user sleeping23 Jul 2026US 2026/0213719 A1Motorola Mobility LLC
- Level dependent microphone gain9 Jul 2026US 2026/0197599 A1Harman Becker Automotive Systems GmbH
- Automatic volume control for game and chat audio4 Jun 2026US 2026/0155802 A1Voyetra Turtle Beach, Inc.
Most cited
By later US patents
- Method and apparatus for using a sound sensor to adjust the audio output for a device326US 8,306,235 B2Apple Inc. · 2012
- Dynamic distortion elimination for output audio324US 8,045,721 B2Motorola Mobility LLC · 2011
- Adjusting dynamic range of an audio system319US 8,229,125 B2Bose Corporation · 2012
- Method for automatically adjusting audio response for improved intelligibility272US 5,790,671 AEricsson Inc. · 1998
- Sound system remote control with acoustic sensor257US 5,386,478 AHarman International Industries, Incorporated · 1995