H04R 29/008
Visual indication of individual signal levels
Official title: {Visual indication of individual signal levels (visual indication of stereophonic sound image H04S7/40)}
H04R29/008 (Visual indication of individual signal levels) appears on 518 US grants and 622 published applications in this corpus.
Search patents in H04R- Granted patents
- 518
- Published applications
- 622
- Assignees
- 260
- Inventors
- 1,057
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 7 |
| 2006 | 3 | 6 |
| 2007 | 1 | 7 |
| 2008 | 2 | 11 |
| 2009 | 1 | 22 |
| 2010 | 4 | 9 |
| 2011 | 11 | 8 |
| 2012 | 18 | 15 |
| 2013 | 16 | 29 |
| 2014 | 10 | 25 |
| 2015 | 23 | 21 |
| 2016 | 33 | 62 |
| 2017 | 55 | 42 |
| 2018 | 36 | 51 |
| 2019 | 53 | 36 |
| 2020 | 43 | 39 |
| 2021 | 39 | 46 |
| 2022 | 35 | 43 |
| 2023 | 41 | 54 |
| 2024 | 31 | 34 |
| 2025 | 32 | 27 |
| 2026 | 22 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Media playback based on sensor data29 Sep 2026US 12,750,630 B2Sonos, Inc.
- Method and system for providing ideal playback position for a robotic speaker in an environment25 Aug 2026US 12,720,259 B2Samsung Electronics Co., Ltd.
- Calibrator for acoustic cameras and other related applications11 Aug 2026US 12,704,400 B2Noiseless Acoustics Oy
- Audio seal measurements21 Jul 2026US 12,689,863 B2Apple Inc.
- Ear-worn devices for tracking exposure to hearing degrading conditions23 Jun 2026US 12,661,008 B2Starkey Laboratories, Inc.
- Acoustic imaging systems for visual diagnosis8 Oct 2026US 2026/0313307 A1Fluke Corporation
- Microphone assembly with multimodal interfaces and sensors1 Oct 2026US 2026/0304035 A1Logitech Europe S. A.
- Microphone assembly with multimodal interfaces and sensors1 Oct 2026US 2026/0304036 A1Logitech Europe S. A.
- Microphone assembly with multimodal interfaces and sensors1 Oct 2026US 2026/0304053 A1Logitech Europe S. A.
- Machine listener based audio streaming quality1 Oct 2026US 2026/0304054 A1Dolby International AB
Most cited
By later US patents
- User interfaces for controlling and manipulating groupings in a multi-zone media system670US 8,290,603 B1Sonos, Inc. · 2012
- Method and apparatus for adjusting volume levels in a multi-zone system392US 8,588,949 B2Sonos, Inc. · 2013
- Self-calibrating loudspeaker system374US 8,577,048 B2Harman International Industries, Incorporated · 2013
- Level meter for digitally-encoded audio288US 5,751,819 A1998
- Method and apparatus for multi-channel sound system calibration248US 6,798,889 B1Creative Technology Ltd · 2004