H04R 2231/003
Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or
Official title: Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
H04R2231/003 (Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or) appears on 132 US grants and 143 published applications in this corpus.
Search patents in H04R- Granted patents
- 132
- Published applications
- 143
- Assignees
- 80
- Inventors
- 307
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 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 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 2 | 5 |
| 2012 | 2 | 3 |
| 2013 | 4 | 6 |
| 2014 | 3 | 4 |
| 2015 | 6 | 13 |
| 2016 | 9 | 12 |
| 2017 | 16 | 16 |
| 2018 | 9 | 11 |
| 2019 | 12 | 12 |
| 2020 | 13 | 11 |
| 2021 | 8 | 7 |
| 2022 | 8 | 5 |
| 2023 | 3 | 7 |
| 2024 | 5 | 3 |
| 2025 | 5 | 4 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vibration module, speaker having the same, and manufacturing method thereof2 Jun 2026US 12,647,730 B2Tymphany Hk Limited
- Systems and methods for stabilizing a playback device19 May 2026US 12,634,634 B2Sonos, Inc.
- Piezoelectric transducer23 Dec 2025US 12,507,018 B2Infineon Technologies AG
- Speaker and method of producing the same16 Dec 2025US 12,501,220 B2Foster Electric Company, Limited
- Precisely controlled microphone acoustic attenuator with protective microphone enclosure14 Oct 2025US 12,445,761 B2Quiet S.A.
- Coaxial Speaker20 Aug 2026US 2026/0247079 A1AAC Microtech (Changzhou) Co., Ltd.
- Electroacoustic transductor structure6 Aug 2026US 2026/0230755 A1Aac Kaitai Technologies (Wuhan) Co., Ltd
- Micro-electro mechanical system microphone30 Jul 2026US 2026/0217521 A1AAC Technologies PTE.Ltd.
- Speaker Structure25 Jun 2026US 2026/0181310 A1Aac Kaitai Technologies (Wuhan) Co., Ltd
- Sound-generating device and manufacturing method therefor, and display apparatus25 Jun 2026US 2026/0181333 A1Boe Technology Group Co., Ltd.
Most cited
By later US patents
- Acoustic diaphragm with polyurethane elastomer coating47US 4,140,203 AMatsushita Electric Industrial Co., Ltd. · 1979
- Diaphragm for use with an electro-acoustic transducer and method of producing the same39US 5,521,886 ASony Corporation · 1996
- Diaphragm-edge integral moldings for speakers and acoustic transducers comprising same37US 5,744,761 AMatsushita Electric Industrial Co., Ltd. · 1998
- Speaker and manufacturing method therefor21US 5,111,510 APioneer Electronic Corporation · 1992
- Surround for speaker system and manufacturing method thereof21US 6,892,850 B2Pioneer Corporation · 2005