H04R 2203/00
Details of circuits for transducers, loudspeakers or microphones covered by h04r3/00 but
Official title: Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
H04R2203/00 (Details of circuits for transducers, loudspeakers or microphones covered by h04r3/00 but) appears on 476 US grants and 571 published applications in this corpus.
Search patents in H04R- Granted patents
- 476
- Published applications
- 571
- Assignees
- 210
- Inventors
- 1,010
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 5 |
| 2006 | 0 | 9 |
| 2007 | 2 | 7 |
| 2008 | 1 | 8 |
| 2009 | 4 | 15 |
| 2010 | 4 | 13 |
| 2011 | 6 | 11 |
| 2012 | 17 | 17 |
| 2013 | 12 | 17 |
| 2014 | 16 | 19 |
| 2015 | 19 | 18 |
| 2016 | 25 | 57 |
| 2017 | 53 | 38 |
| 2018 | 42 | 32 |
| 2019 | 47 | 37 |
| 2020 | 43 | 52 |
| 2021 | 37 | 32 |
| 2022 | 39 | 40 |
| 2023 | 28 | 46 |
| 2024 | 32 | 41 |
| 2025 | 33 | 30 |
| 2026 | 13 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sound system8 Sep 2026US 12,732,746 B2NTT, Inc.
- Primary-ambient playback on audio playback devices11 Aug 2026US 12,705,020 B2Sonos, Inc.
- Multi-dimensional array microphone21 Jul 2026US 12,689,855 B2Shure Acquisition Holdings, Inc.
- Computing device location2 Jun 2026US 12,647,725 B2Hewlett-Packard Development Company, L. P.
- Microphone device2 Jun 2026US 12,647,726 B2Denso Corporation
- Beamform modification capturing side conversations17 Sep 2026US 2026/0281614 A1Motorola Mobility LLC
- Sound reproduction method, sound reproduction device, and non-transitory computer readable recording medium storing sound reproduction program13 Aug 2026US 2026/0238921 A1Panasonic Intellectual Property Management Co., Ltd.
- Mounting system for modularly constructed, electronically controllable sound transducer systems6 Aug 2026US 2026/0230735 A1Holoplot GmbH
- Electro-mechanical device comprising an electrically split array of moving elements, and methods of controlling thereof30 Jul 2026US 2026/0222732 A1
- Speaker device30 Jul 2026US 2026/0222734 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Orientation-responsive acoustic driver selection405US 8,934,647 B2Bose Corporation · 2015
- Orientation-responsive use of acoustic reflection403US 8,934,655 B2Bose Corporation · 2015
- Multi-element directional acoustic arrays309US 8,139,774 B2Bose Corporation · 2012
- Multi-element directional acoustic arrays307US 8,265,310 B2Bose Corporation · 2012
- Multichannel acoustic echo cancellation213US 9,659,555 B1Amazon Technologies, Inc. · 2017