H04R 2205/022
Plurality of transducers corresponding to a plurality of sound channels in each
Official title: Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
H04R2205/022 (Plurality of transducers corresponding to a plurality of sound channels in each) appears on 357 US grants and 419 published applications in this corpus.
Search patents in H04R- Granted patents
- 357
- Published applications
- 419
- Assignees
- 177
- Inventors
- 692
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 3 |
| 2002 | 2 | 5 |
| 2003 | 6 | 7 |
| 2004 | 8 | 17 |
| 2005 | 2 | 10 |
| 2006 | 9 | 13 |
| 2007 | 3 | 22 |
| 2008 | 8 | 25 |
| 2009 | 5 | 23 |
| 2010 | 6 | 13 |
| 2011 | 9 | 23 |
| 2012 | 21 | 17 |
| 2013 | 18 | 15 |
| 2014 | 11 | 16 |
| 2015 | 22 | 14 |
| 2016 | 19 | 17 |
| 2017 | 19 | 26 |
| 2018 | 19 | 17 |
| 2019 | 25 | 23 |
| 2020 | 26 | 20 |
| 2021 | 22 | 18 |
| 2022 | 11 | 19 |
| 2023 | 13 | 11 |
| 2024 | 14 | 22 |
| 2025 | 10 | 9 |
| 2026 | 13 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Set-top box of reduced height22 Sep 2026US 12,745,028 B2Sagemcom Broadband SAS
- Acoustic signal output device18 Aug 2026US 12,713,168 B2NTT, Inc.
- Soundbar device and method for setting soundbar device11 Aug 2026US 12,707,201 B2D&M Holdings, Inc.
- Acoustic transducer unit5 May 2026US 12,621,595 B2USound GmbH
- Acoustic transducer unit28 Apr 2026US 12,615,466 B2USound GmbH
- Audio system comprising a head wearable carrier element configured with a beam forming loudspeaker system30 Jul 2026US 2026/0222736 A1TK&H Holding AS
- System for creating a spatial sound effect30 Jul 2026US 2026/0222737 A1
- Line body type sound-producing speaker device30 Jul 2026US 2026/0222743 A1
- Acoustic signal output device25 Jun 2026US 2026/0181315 A1NTT, Inc.
- Acoustic signal output device25 Jun 2026US 2026/0181316 A1NTT, Inc.
Most cited
By later US patents
- Wired, wireless, infrared, and powerline audio entertainment systems1,763US 7,853,341 B2KSC Industries, Inc. · 2010
- Wired, wireless, infrared, and powerline audio entertainment systems1,762US 8,103,009 B2KSC Industries, Inc. · 2012
- Stereophonic reproduction method and apparatus387US 5,553,147 AOne, Inc. · 1996
- Multi-element directional acoustic arrays307US 8,265,310 B2Bose Corporation · 2012
- Electroacoustical transducing with low frequency augmenting devices304US 8,238,578 B2Bose Corporation · 2012