H04R 2201/405
Non-uniform arrays of transducers or a plurality of uniform arrays with different
Official title: Non-uniform arrays of transducers or a plurality of uniform arrays with different transducer spacing
H04R2201/405 (Non-uniform arrays of transducers or a plurality of uniform arrays with different) appears on 280 US grants and 314 published applications in this corpus.
Search patents in H04R- Granted patents
- 280
- Published applications
- 314
- Assignees
- 161
- Inventors
- 614
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 5 |
| 2006 | 1 | 8 |
| 2007 | 1 | 6 |
| 2008 | 3 | 4 |
| 2009 | 0 | 4 |
| 2010 | 2 | 8 |
| 2011 | 3 | 2 |
| 2012 | 8 | 5 |
| 2013 | 2 | 9 |
| 2014 | 3 | 8 |
| 2015 | 9 | 15 |
| 2016 | 15 | 19 |
| 2017 | 27 | 18 |
| 2018 | 14 | 26 |
| 2019 | 25 | 28 |
| 2020 | 26 | 23 |
| 2021 | 23 | 30 |
| 2022 | 24 | 28 |
| 2023 | 37 | 23 |
| 2024 | 15 | 14 |
| 2025 | 19 | 15 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for obtaining a position of a sound source18 Aug 2026US 12,710,502 B2Nomono AS
- Estimation of audio device and sound source locations18 Aug 2026US 12,713,183 B2Dolby Laboratories Licensing Corporation
- Multi-dimensional array microphone21 Jul 2026US 12,689,855 B2Shure Acquisition Holdings, Inc.
- Microphone, method for recording an acoustic signal, reproduction apparatus for an acoustic signal or method for reproducing an acoustic signal19 May 2026US 12,634,629 B2Kaetel Systems GmbH
- Linear filtering for noise-suppressed speech detection12 May 2026US 12,626,717 B2Sonos, Inc.
- Concentric circular microphone arrays with 3d steerable beamformers10 Sep 2026US 2026/0270614 A1Northwestern Polytechnical University
- Acoustic sensor array and method of processing acoustic data collected by the same13 Aug 2026US 2026/0235713 A1Valeo Comfort and Driving Assistance
- Three-dimensional microphone array for sound acquisition and sound pickup device30 Jul 2026US 2026/0222738 A1Yealink (Xiamen) Network Technology Co., Ltd.
- Beam-forming function implementation method and system2 Jul 2026US 2026/0189849 A1Goertek Inc.
- Audio playback system2 Jul 2026US 2026/0189851 A1
Most cited
By later US patents
- Systems, methods, and apparatus for enhanced acoustic imaging347US 8,965,546 B2QUALCOMM Incorporated · 2015
- Multi-element directional acoustic arrays309US 8,139,774 B2Bose Corporation · 2012
- Multi-microphone neural network for sound recognition196US 9,813,810 B1Google Inc. · 2017
- Zone based presence determination via voiceprint location awareness162US 9,401,058 B2International Business Machines Corporation · 2016
- Multi-orientation playback device microphones154US 9,743,204 B1Sonos, Inc. · 2017