H03G 5/005
Tone control or bandwidth control in amplifiers: of digital signals
Official title: {of digital signals}
H03G5/005 (Tone control or bandwidth control in amplifiers: of digital signals) appears on 421 US grants and 402 published applications in this corpus.
Search patents in H03G- Granted patents
- 421
- Published applications
- 402
- Assignees
- 205
- Inventors
- 739
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 5 |
| 2003 | 7 | 10 |
| 2004 | 5 | 10 |
| 2005 | 3 | 5 |
| 2006 | 9 | 5 |
| 2007 | 3 | 11 |
| 2008 | 7 | 14 |
| 2009 | 4 | 8 |
| 2010 | 2 | 8 |
| 2011 | 5 | 10 |
| 2012 | 13 | 13 |
| 2013 | 11 | 24 |
| 2014 | 8 | 23 |
| 2015 | 24 | 24 |
| 2016 | 28 | 24 |
| 2017 | 38 | 28 |
| 2018 | 35 | 36 |
| 2019 | 30 | 28 |
| 2020 | 33 | 25 |
| 2021 | 31 | 27 |
| 2022 | 19 | 21 |
| 2023 | 20 | 12 |
| 2024 | 12 | 14 |
| 2025 | 11 | 9 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing15 Sep 2026US 12,738,286 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Systems and methods for sound quality enhancement with personalized sound equalizer controls11 Aug 2026US 12,705,017 B2Harman International Industries, Incorporated
- Audio equalization metadata11 Aug 2026US 12,707,220 B2Nura Holdings Pty Ltd
- Audio signal reproduction19 May 2026US 12,634,640 B2
- Adjusting a playback device12 May 2026US 12,625,791 B2Sonos, Inc.
- Techniques for automatic equalization of audio23 Jul 2026US 2026/0213720 A1Harman Becker Automotive Systems GmbH
- Equalizer control9 Jul 2026US 2026/0197583 A1Audiodo AB (publ)
- Calibration Interface2 Jul 2026US 2026/0189865 A1Sonos, Inc.
- Dynamic equalization for power management26 Mar 2026US 2026/0088790 A1
- Signal Processing Method26 Feb 2026US 2026/0057866 A1Oeksound Oy
Most cited
By later US patents
- Automatic multichannel equalization control system for a multimedia computer404US 6,704,421 B1ATI Technologies, Inc. · 2004
- Method and apparatus for automatically normalizing a perceived volume level in a digitally encoded file389US 7,072,477 B1Apple Computer, Inc. · 2006
- Compensating filters232US 6,760,451 B12004
- Automatic loudspeaker equalizer219US 6,721,428 B1Texas Instruments Incorporated · 2004
- Automatic correction of power spectral balance in audio source material218US 6,341,166 B12002