H04R 1/005
Details of transducers, loudspeakers or microphones: using digitally weighted transducing elements
Official title: {using digitally weighted transducing elements}
H04R1/005 (Details of transducers, loudspeakers or microphones: using digitally weighted transducing elements) appears on 159 US grants and 141 published applications in this corpus.
Search patents in H04R- Granted patents
- 159
- Published applications
- 141
- Assignees
- 102
- Inventors
- 288
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 5 |
| 2002 | 9 | 2 |
| 2003 | 0 | 6 |
| 2004 | 4 | 1 |
| 2005 | 3 | 5 |
| 2006 | 3 | 5 |
| 2007 | 4 | 4 |
| 2008 | 2 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 9 |
| 2011 | 1 | 4 |
| 2012 | 6 | 8 |
| 2013 | 8 | 8 |
| 2014 | 7 | 8 |
| 2015 | 4 | 9 |
| 2016 | 10 | 10 |
| 2017 | 12 | 5 |
| 2018 | 15 | 16 |
| 2019 | 12 | 11 |
| 2020 | 9 | 4 |
| 2021 | 6 | 4 |
| 2022 | 2 | 1 |
| 2023 | 4 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switching drivers with voltage monitoring19 May 2026US 12,633,885 B2Cirrus Logic, Inc.
- Systems and techniques for microphone array calibration10 Mar 2026US 12,574,679 B2Analog Devices International Unlimited Company
- System and method for generating an audio signal27 Jan 2026US 12,538,074 B2Sonicedge Ltd.
- Delta-based current steering for power converter peak/valley current control5 Aug 2025US 12,381,486 B2Cirrus Logic, Inc.
- Capturing sound5 Dec 2023US 11,838,707 B2Nokia Technologies Oy
- Sound-producing module, and digital loudspeaker system and control method therefor16 Jul 2026US 2026/0205729 A1Suzhou Sonavox Electronics Co., Ltd.
- System And Method For Driving A Transducer11 Jun 2026US 2026/0164181 A1Sonicedge Dk Aps
- Microphone assembly adapted to form continuously variable polar patterns30 Apr 2026US 2026/0122386 A1Logitech Europe S. A.
- System and method for generating an audio signal30 Apr 2026US 2026/0122418 A1Sonicedge Ltd.
- Digital microphone data output4 Dec 2025US 2025/0373965 A1
Most cited
By later US patents
- Method and apparatus for implementing a class D driver and speaker system137US 7,058,463 B1Nokia Corporation · 2006
- High efficiency driver for miniature loudspeakers92US 7,336,794 B2Sonion A/S · 2008
- Audio signal storing apparatus having a function for converting speech speed82US 5,717,818 AHitachi, Ltd. · 1998
- System and method for digital signal processing59US 8,160,274 B2Bongiovi Acoustics LLC · 2012
- System and method for digital signal processing52US 8,565,449 B2Bongiovi Acoustics LLC · 2013