H04R 1/326
For microphones
Official title: {for microphones (H04R1/34 and H04R1/40 take precedence)}
H04R1/326 (For microphones) appears on 486 US grants and 597 published applications in this corpus.
Search patents in H04R- Granted patents
- 486
- Published applications
- 597
- Assignees
- 271
- Inventors
- 1,184
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 7 |
| 2011 | 0 | 4 |
| 2012 | 4 | 3 |
| 2013 | 2 | 13 |
| 2014 | 7 | 19 |
| 2015 | 13 | 23 |
| 2016 | 32 | 49 |
| 2017 | 41 | 60 |
| 2018 | 52 | 39 |
| 2019 | 46 | 66 |
| 2020 | 42 | 46 |
| 2021 | 45 | 62 |
| 2022 | 43 | 54 |
| 2023 | 50 | 43 |
| 2024 | 40 | 40 |
| 2025 | 29 | 34 |
| 2026 | 30 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication control device and onboard device6 Oct 2026US 12,756,972 B2JVCKENWOOD Corporation
- Coordination of audio devices29 Sep 2026US 12,750,621 B2Dolby International AB
- Vehicle call system based on active noise control and method therefor22 Sep 2026US 12,744,025 B2Hyundai Mobis Co., Ltd.
- Local and cloud speech recognition8 Sep 2026US 12,731,589 B2Roku, Inc.
- Microphone device1 Sep 2026US 12,726,760 B2Denso Corporation
- Systems and methods for voice reception and detection1 Oct 2026US 2026/0301755 A1
- Foveated imaging based on audio information24 Sep 2026US 2026/0292357 A1QUALCOMM Incorporated
- Deep audio zooming: beamwidth-controllable neural beamformer3 Sep 2026US 2026/0261796 A1Tencent America LLC
- Electronic device and method of controlling electronic device27 Aug 2026US 2026/0255046 A1
- Voice assistant persistence across multiple network microphone devices13 Aug 2026US 2026/0237387 A1Sonos, Inc.
Most cited
By later US patents
- Determining speaker direction using a spherical microphone array204US 9,560,441 B1Amazon Technologies, Inc. · 2017
- Speech processing of reflected sound199US 9,820,036 B1Amazon Technologies, Inc. · 2017
- Voice controlled assistant with coaxial speaker and microphone arrangement178US 9,060,224 B1Rawles LLC · 2015
- Voice controlled assistant with coaxial speaker and microphone arrangement156US 9,390,724 B2Amazon Technologies, Inc. · 2016
- Signal expander with discrimination between close and distant acoustic source95US 6,549,630 B1Plantronics, Inc. · 2003