H04R 11/00
Transducers of moving-armature or moving-core type
Official title: Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00)
H04R11/00 (Transducers of moving-armature or moving-core type) appears on 715 US grants and 695 published applications in this corpus.
Search patents in H04R- Granted patents
- 715
- Published applications
- 695
- Assignees
- 277
- Inventors
- 1,029
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 10 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 12 | 0 |
| 2001 | 3 | 7 |
| 2002 | 8 | 17 |
| 2003 | 6 | 10 |
| 2004 | 6 | 19 |
| 2005 | 8 | 11 |
| 2006 | 12 | 20 |
| 2007 | 16 | 20 |
| 2008 | 14 | 11 |
| 2009 | 7 | 14 |
| 2010 | 7 | 11 |
| 2011 | 13 | 15 |
| 2012 | 16 | 22 |
| 2013 | 18 | 23 |
| 2014 | 18 | 28 |
| 2015 | 28 | 36 |
| 2016 | 43 | 43 |
| 2017 | 32 | 37 |
| 2018 | 38 | 37 |
| 2019 | 37 | 45 |
| 2020 | 36 | 44 |
| 2021 | 43 | 62 |
| 2022 | 40 | 37 |
| 2023 | 38 | 37 |
| 2024 | 45 | 49 |
| 2025 | 41 | 22 |
| 2026 | 16 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multicoil balanced armature receiver6 Oct 2026US 12,756,975 B2Knowles Electronics, LLC
- Vibration device, a bone conduction headphone, and an intelligent hardware device16 Jun 2026US 12,659,670 B2Suzhou Thor Electronic Technology Co., Ltd.
- Vibration sensors12 May 2026US 12,624,987 B2Shenzhen Shokz Co., Ltd.
- Speaker28 Apr 2026US 12,615,479 B2AAC Microtech (Changzhou) Co., Ltd.
- Hybrid receiver having a bracket for installing a driver21 Apr 2026US 12,610,176 B2EM-TECH Co., Ltd.
- Thin balanced armature receiver8 Oct 2026US 2026/0313297 A1Knowles Electronics, LLC
- Loudspeakers and methods of use thereof8 Oct 2026US 2026/0313298 A1Clean Energy Labs, LLC
- Loudspeakers and methods of use thereof1 Oct 2026US 2026/0304043 A1Brane Audio, LLC
- High and low dual-frequency composite loudspeaker unit and audio device24 Sep 2026US 2026/0292402 A1Shenzhen Weile Electronics Co.Ltd
- System and method for a split-gap audio transducer13 Aug 2026US 2026/0238927 A1Tectonic Audio Labs, Inc.
Most cited
By later US patents
- Implantable and external hearing systems having a floating mass transducer308US 5,624,376 ASymphonix Devices, Inc. · 1997
- Implantable electromagnetic hearing transducer223US 5,554,096 ASymphonix · 1996
- Implantable magnetic hearing aid transducer208US 5,456,654 A1995
- Bone conducting floating mass transducers188US 5,913,815 ASymphonix Devices, Inc. · 1999
- Implantable and external hearing systems having a floating mass transducer185US 6,190,305 B1Symphonix Devices, Inc. · 2001