H03G 9/14
For gain control and tone control
Official title: for gain control and tone control
H03G9/14 (For gain control and tone control) appears on 69 US grants and 59 published applications in this corpus.
Search patents in H03G- Granted patents
- 69
- Published applications
- 59
- Assignees
- 35
- Inventors
- 78
- Latest grant
- 16 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 3 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 1 |
| 2014 | 0 | 3 |
| 2015 | 2 | 1 |
| 2016 | 3 | 4 |
| 2017 | 5 | 11 |
| 2018 | 9 | 4 |
| 2019 | 14 | 14 |
| 2020 | 4 | 3 |
| 2021 | 3 | 2 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for digital signal processing16 Aug 2022US 11,418,881 B2Bongiovi Acoustics LLC
- Methods and apparatus for adjusting a level of an audio signal5 Apr 2022US 11,296,668 B2Dolby Laboratories Licensing Corporation
- Volume adjusting method and mobile terminal14 Dec 2021US 11,201,598 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Systems and methods for generating haptic output for enhanced user experience14 Sep 2021US 11,120,673 B2Lofelt GmbH
- System and method for digital signal processing9 Feb 2021US 10,917,722 B2Bongiovi Acoustics LLC
- System and method for digital signal processing28 Oct 2021US 2021/0337310 A1Bongiovi Acoustics LLC
- Methods and Apparatus for Adjusting a Level of an Audio Signal21 Jan 2021US 2021/0021247 A1Dolby Laboratories Licensing Corporation
- Volume adjusting method and mobile terminal11 Jun 2020US 2020/0186113 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Methods and Apparatus for Adjusting a Level of an Audio Signal27 Feb 2020US 2020/0067473 A1Dolby Laboratories Licensing Corporation
- System and method for digital signal processing2 Jan 2020US 2020/0007983 A1Bongiovi Acoustics LLC
Most cited
By later US patents
- Method for automatically adjusting audio response for improved intelligibility272US 5,790,671 AEricsson Inc. · 1998
- Variable gain amplifier141US 6,690,232 B2Kabushiki Kaisha Toshiba · 2004
- Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal112US 8,090,120 B2Dolby Laboratories Licensing Corporation · 2012
- Dynamic bass boost apparatus and method88US 7,171,010 B2Boston Acoustics, Inc. · 2007
- Sound processing apparatus, method, and program77US 9,294,062 B2Sony Corporation · 2016