H04R 2400/07
Suspension between moving magnetic core and housing
H04R2400/07 (Suspension between moving magnetic core and housing) appears on 160 US grants and 190 published applications in this corpus.
Search patents in H04R- Granted patents
- 160
- Published applications
- 190
- Assignees
- 86
- Inventors
- 316
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 3 |
| 2002 | 2 | 5 |
| 2003 | 5 | 4 |
| 2004 | 3 | 3 |
| 2005 | 6 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 4 |
| 2010 | 1 | 0 |
| 2011 | 2 | 5 |
| 2012 | 2 | 2 |
| 2013 | 2 | 2 |
| 2014 | 4 | 6 |
| 2015 | 2 | 7 |
| 2016 | 6 | 14 |
| 2017 | 13 | 8 |
| 2018 | 14 | 8 |
| 2019 | 10 | 10 |
| 2020 | 10 | 12 |
| 2021 | 10 | 9 |
| 2022 | 13 | 12 |
| 2023 | 6 | 20 |
| 2024 | 18 | 26 |
| 2025 | 14 | 11 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Speaker28 Apr 2026US 12,615,479 B2AAC Microtech (Changzhou) Co., Ltd.
- Multifunctional sounding device14 Apr 2026US 12,604,142 B2AAC Microtech (Changzhou) Co., Ltd.
- Loudspeaker structure and loudspeaker device24 Mar 2026US 12,587,794 B2Luxshare Electronic Technology (Kunshan) Ltd.
- Loudspeaker module and electronic device10 Mar 2026US 12,574,684 B2Merry Electronics (Suzhou) Co., Ltd.
- Electrodynamic transducer for vehicle integration13 Jan 2026US 12,526,580 B2
- Electroacoustic transducer and headphone13 Aug 2026US 2026/0238929 A1Kabushiki Kaisha Audio-Technica
- Thin multi-magnetic vibration-damping loudspeaker9 Jul 2026US 2026/0197589 A1Fortune Grand Technology Inc.
- Speaker unit with a speaker frame and two opposing sound producing membranes9 Jul 2026US 2026/0197590 A1Mayht Holding B.V.
- Vibration driving apparatus11 Jun 2026US 2026/0164184 A1LG Display Co., Ltd.
- Acoustic electrodynamic actuator with structured end face of outer magnetic circuit part and output device thereto4 Jun 2026US 2026/0156417 A1Sound Solutions International (Zhenjiang) Co., Ltd.
Most cited
By later US patents
- Acoustic device295US 6,332,029 B1New Transducers Limited · 2001
- Acoustic device206US 7,158,647 B2New Transducers Limited · 2007
- Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device159US 6,850,138 B1NEC Tokin Corporation · 2005
- Electro-mechanical and acoustic transducer for portable terminal unit127US 6,208,237 B1Matsushita Electric Industrial Co., Ltd. · 2001
- Vibration generating apparatus118US 5,894,263 AMatsushita Electric Industrial Co., Ltd. · 1999