H04R 29/003
Of the moving-coil type
Official title: {of the moving-coil type}
H04R29/003 (Of the moving-coil type) appears on 215 US grants and 238 published applications in this corpus.
Search patents in H04R- Granted patents
- 215
- Published applications
- 238
- Assignees
- 98
- Inventors
- 369
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 8 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 10 |
| 2013 | 1 | 3 |
| 2014 | 4 | 12 |
| 2015 | 11 | 12 |
| 2016 | 16 | 17 |
| 2017 | 20 | 32 |
| 2018 | 32 | 21 |
| 2019 | 22 | 16 |
| 2020 | 21 | 15 |
| 2021 | 12 | 16 |
| 2022 | 15 | 4 |
| 2023 | 7 | 22 |
| 2024 | 12 | 16 |
| 2025 | 17 | 9 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and methods for bone conduction speaker9 Jun 2026US 12,652,485 B2Shenzhen Shokz Co., Ltd.
- Apparatus and methods for bone conduction speaker2 Jun 2026US 12,647,717 B2Shenzhen Shokz Co., Ltd.
- Loudspeakers26 May 2026US 12,641,386 B2GP Acoustics (UK) Limited
- Device and method for estimating temperature of loudspeaker voice coil19 May 2026US 12,631,501 B2Elite Semiconductor Microelectronics Technology Inc.
- Speaker, speaker system and signal compensation method using the same12 May 2026US 12,627,924 B2Hyundai Motor Company
- Audio device, signal processing method, and display method27 Aug 2026US 2026/0255116 A1Sony Group Corporation
- Method for reducing signal distortion in an electro-mechanical transducer based on magnetic flux modes13 Aug 2026US 2026/0238922 A1
- Acoustic system16 Jul 2026US 2026/0205750 A1Alps Alpine Co., Ltd.
- Displacement-detecting device for speaker, and audio system9 Jul 2026US 2026/0197593 A1Alps Alpine Co., Ltd.
- Acoustic system11 Jun 2026US 2026/0164183 A1Alps Alpine Co., Ltd.
Most cited
By later US patents
- Detecting a loudspeaker configuration328US 8,325,931 B2Bose Corporation · 2012
- Loudspeaker system with simulated baffle for improved base reproduction179US 6,088,459 A2000
- Apparatus and method for monitoring speaker cone displacement in an audio speaker178US 7,961,892 B2Texas Instruments Incorporated · 2011
- Active reactive acoustical elements173US 6,408,078 B12002
- Direct measurement of an input signal to a loudspeaker to determine and limit a temperature of a voice coil of the loudspeaker172US 9,510,101 B1Maxim Integrated Products, Inc. · 2016