H04R 9/063
Using a plurality of acoustic drivers
Official title: {using a plurality of acoustic drivers (H04R1/24 and H04R1/403 take precedence)}
H04R9/063 (Using a plurality of acoustic drivers) appears on 569 US grants and 613 published applications in this corpus.
Search patents in H04R- Granted patents
- 569
- Published applications
- 613
- Assignees
- 258
- Inventors
- 899
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 8 | 12 |
| 2003 | 4 | 9 |
| 2004 | 10 | 16 |
| 2005 | 8 | 20 |
| 2006 | 9 | 15 |
| 2007 | 5 | 5 |
| 2008 | 7 | 8 |
| 2009 | 5 | 10 |
| 2010 | 9 | 4 |
| 2011 | 4 | 9 |
| 2012 | 9 | 15 |
| 2013 | 6 | 7 |
| 2014 | 10 | 11 |
| 2015 | 15 | 17 |
| 2016 | 17 | 31 |
| 2017 | 30 | 26 |
| 2018 | 20 | 14 |
| 2019 | 23 | 30 |
| 2020 | 30 | 41 |
| 2021 | 39 | 57 |
| 2022 | 37 | 29 |
| 2023 | 46 | 53 |
| 2024 | 47 | 81 |
| 2025 | 65 | 53 |
| 2026 | 34 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sound device6 Oct 2026US 12,756,981 B2AAC Microtech (Changzhou) Co., Ltd.
- Speaker module and electronic device1 Sep 2026US 12,726,770 B2Honor Device Co., Ltd.
- Loudspeaker18 Aug 2026US 12,713,176 B2Panasonic Automotive Systems Co., Ltd.
- Electronic device11 Aug 2026US 12,707,203 B2Merry Electronics (Suzhou) Co., Ltd.
- Electronic device11 Aug 2026US 12,707,205 B2Merry Electronics (Suzhou) Co., Ltd.
- Speaker device3 Sep 2026US 2026/0261804 A1Sonos, Inc.
- Speaker system and electronic device13 Aug 2026US 2026/0238917 A1AAC Microtech (Changzhou) Co., Ltd.
- Sound generating unit and sound generating module13 Aug 2026US 2026/0238926 A1Goertek Inc.
- System and method for a split-gap audio transducer13 Aug 2026US 2026/0238927 A1Tectonic Audio Labs, Inc.
- Sound Generator13 Aug 2026US 2026/0238928 A1AAC Microtech (Changzhou) Co., Ltd.
Most cited
By later US patents
- Electroacoustical transducing with low frequency augmenting devices304US 8,238,578 B2Bose Corporation · 2012
- Loudspeaker system192US 4,504,704 APioneer Electronic Corporation · 1985
- Apparatus and method for monitoring speaker cone displacement in an audio speaker178US 7,961,892 B2Texas Instruments Incorporated · 2011
- Dual diaphragm electroacoustic transducer95US 7,912,240 B2Sonion Nederland B. V. · 2011
- Electroacoustic transducer mounting in shells of hearing prostheses85US 7,822,218 B2Sonion Nederland B. V. · 2010