H04R 2440/01
Acoustic transducers using travelling bending waves to generate or detect sound
H04R2440/01 (Acoustic transducers using travelling bending waves to generate or detect sound) appears on 72 US grants and 95 published applications in this corpus.
Search patents in H04R- Granted patents
- 72
- Published applications
- 95
- Assignees
- 47
- Inventors
- 199
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 1 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 7 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 3 |
| 2019 | 5 | 4 |
| 2020 | 3 | 7 |
| 2021 | 4 | 13 |
| 2022 | 9 | 7 |
| 2023 | 11 | 11 |
| 2024 | 7 | 17 |
| 2025 | 8 | 8 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display apparatus2 Jun 2026US 12,647,720 B2LG Display Co., Ltd.
- Vibration apparatus and apparatus including the same5 May 2026US 12,622,176 B2LG Display Co., Ltd.
- System, apparatus and methods for coupling a voice coil assembly and diagrapham for acoustic transducer31 Mar 2026US 12,593,176 B2Tectonic Audio Labs, Inc.
- Flat panel loudspeaker with overhanging panel and method of installation thereof17 Mar 2026US 12,581,228 B2Amina Technologies Limited
- Piezoelectric transducer providing haptic feedback3 Mar 2026US 12,568,338 B2Flora Innovations Inc.
- Electoacoustic transducer17 Sep 2026US 2026/0281623 A1
- A micro-electromechanical-system based micro speaker23 Jul 2026US 2026/0214391 A1Myvox AB
- A mems-based micro speaker device and system23 Jul 2026US 2026/0214393 A1Myvox AB
- System, apparatus and methods for coupling a voice coil assembly and diagrapham for acoustic transducer9 Jul 2026US 2026/0197587 A1Tectonic Audio Labs, Inc.
- System, apparatus and methods for coupling a voice coil assembly and diagrapham for acoustic transducer9 Jul 2026US 2026/0197588 A1Tectonic Audio Labs, Inc.
Most cited
By later US patents
- Bending wave loudspeaker38US 6,826,285 B2New Transducers Limited · 2004
- Display panel and display device having the same28US 9,317,063 B2Samsung Display Co., Ltd. · 2016
- Audio speaker25US 4,924,504 AHighwood Audio Inc. · 1990
- Equalizable electro-acoustic device used in commercial panels and method for converting said panels22US 6,965,679 B1Electronica Integral De Sonido, S.A. · 2005
- Bending wave panel loudspeaker22US 7,639,826 B1New Transducers Limited · 2009