H04S 3/002
Non-adaptive circuits
Official title: {Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution (control circuits for electronic adaptation of the sound field H04S7/30)}
H04S3/002 (Non-adaptive circuits) appears on 776 US grants and 845 published applications in this corpus.
Search patents in H04S- Granted patents
- 776
- Published applications
- 845
- Assignees
- 288
- Inventors
- 1,175
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 6 |
| 2002 | 1 | 9 |
| 2003 | 4 | 12 |
| 2004 | 9 | 20 |
| 2005 | 12 | 32 |
| 2006 | 8 | 33 |
| 2007 | 13 | 29 |
| 2008 | 11 | 36 |
| 2009 | 19 | 38 |
| 2010 | 29 | 35 |
| 2011 | 28 | 38 |
| 2012 | 50 | 39 |
| 2013 | 35 | 26 |
| 2014 | 33 | 38 |
| 2015 | 25 | 30 |
| 2016 | 44 | 44 |
| 2017 | 45 | 54 |
| 2018 | 58 | 47 |
| 2019 | 63 | 53 |
| 2020 | 61 | 49 |
| 2021 | 40 | 49 |
| 2022 | 32 | 50 |
| 2023 | 40 | 22 |
| 2024 | 36 | 24 |
| 2025 | 25 | 22 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Techniques for outputting audio through a plurality of drivers within a same audio output device29 Sep 2026US 12,750,634 B2Harman International Industries, Incorporated
- Generating binaural audio in response to multi-channel audio using at least one feedback delay network11 Aug 2026US 12,707,228 B2Dolby Laboratories Licensing Corporation
- Apparatus and method for generating a control signal for a sound generator or for generating an extended multi-channel audio signal by using a similarity analysis4 Aug 2026US 12,701,384 B2Kaetel Systems GmbH
- Methods and apparatus to generate binaural sounds for hearing devices14 Jul 2026US 12,684,304 B2Intel Corporation
- Ambisonic microphone9 Jun 2026US 12,652,488 B2Shure Acquisition Holdings, Inc.
- Immersive audio in a media playback system1 Oct 2026US 2026/0303676 A1Sonos, Inc.
- Sound field equalization adjustment method and apparatus, device and computer readable storage medium16 Jul 2026US 2026/0205762 A1Huizhou Vision New Technology Co., Ltd.
- Open-ended audio tracking system via audio foundational and large language models11 Jun 2026US 2026/0164200 A1Robert Bosch GmbH
- Reverberation decorrelation for ambisonics audio compression21 May 2026US 2026/0141905 A1Google Inc.
- Method for installing and controlling light-sound cinema speaker to provide light-sound system to movie theater and device therefor23 Apr 2026US 2026/0113575 A1Lotte Cultureworks Co., Ltd.
Most cited
By later US patents
- Electroacoustical transducing313US 7,519,188 B2Bose Corporation · 2009
- Multi-element directional acoustic arrays307US 8,265,310 B2Bose Corporation · 2012
- Electroacoustical transducing with low frequency augmenting devices304US 8,238,578 B2Bose Corporation · 2012
- Center channel rendering302US 8,620,006 B2Bose Corporation · 2013
- Three-dimensional sound creation assisted by visual information238US 6,829,018 B2Koninklijke Philips Electronics N. V. · 2004