H04R 29/007
Monitoring arrangements: for public address systems
Official title: {for public address systems (public address systems per se H04R27/00)}
H04R29/007 (Monitoring arrangements: for public address systems) appears on 542 US grants and 612 published applications in this corpus.
Search patents in H04R- Granted patents
- 542
- Published applications
- 612
- Assignees
- 159
- Inventors
- 672
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 6 |
| 2004 | 0 | 8 |
| 2005 | 2 | 10 |
| 2006 | 4 | 7 |
| 2007 | 2 | 6 |
| 2008 | 4 | 3 |
| 2009 | 2 | 7 |
| 2010 | 6 | 9 |
| 2011 | 6 | 7 |
| 2012 | 6 | 11 |
| 2013 | 9 | 13 |
| 2014 | 4 | 12 |
| 2015 | 19 | 22 |
| 2016 | 39 | 57 |
| 2017 | 42 | 66 |
| 2018 | 57 | 42 |
| 2019 | 59 | 48 |
| 2020 | 45 | 52 |
| 2021 | 43 | 37 |
| 2022 | 37 | 40 |
| 2023 | 48 | 41 |
| 2024 | 35 | 47 |
| 2025 | 39 | 36 |
| 2026 | 17 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable speaker with audio monitor and output network link29 Sep 2026US 12,750,624 B2Bose Corporation
- Playback device calibration based on representative spectral characteristics15 Sep 2026US 12,737,152 B2Sonos, Inc.
- Calibration based on audio content15 Sep 2026US 12,739,581 B2Sonos, Inc.
- Multiple groupings in a playback system18 Aug 2026US 12,710,919 B2Sonos, Inc.
- IP speaker system11 Aug 2026US 12,707,213 B1Algo Communication Products Ltd.
- Playback Expansion1 Oct 2026US 2026/0299876 A1Sonos, Inc.
- Audio Playback Adjustment13 Aug 2026US 2026/0236221 A1Sonos, Inc.
- System and method for detecting analog signals on an amplifier input and gating the same13 Aug 2026US 2026/0238940 A1Crestron Electronics, Inc.
- Playback Device Self-Calibration Using PCA-Based Room Response Estimation2 Jul 2026US 2026/0189869 A1Sonos, Inc.
- Sound level testing11 Jun 2026US 2026/0160592 A1Honeywell International Inc.
Most cited
By later US patents
- Shaping sound responsive to speaker orientation476US 9,042,556 B2Sonos, Inc. · 2015
- Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles250US 5,953,429 AMatsushita Avionics Systems Corporation · 1999
- Calibration using multiple recording devices240US 9,743,207 B1Sonos, Inc. · 2017
- Default playback device designation207US 9,826,306 B2Sonos, Inc. · 2017
- Default playback devices188US 9,820,039 B2Sonos, Inc. · 2017