H03G 7/02
Volume compression or expansion in amplifiers: having discharge tubes
Official title: having discharge tubes
H03G7/02 (Volume compression or expansion in amplifiers: having discharge tubes) appears on 10 US grants and 10 published applications in this corpus.
Search patents in H03G- Granted patents
- 10
- Published applications
- 10
- Assignees
- 4
- Inventors
- 16
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for digital signal processing30 Aug 2022US 11,431,312 B2Bongiovi Acoustics LLC
- Preamplifier circuit configuration4 May 2021US 10,998,866 B2
- System and method for digital signal processing24 Nov 2020US 10,848,118 B2Bongiovi Acoustics LLC
- Total harmonic distortion (THD) controlled clip detector and automatic gain limiter (AGL)12 Nov 2019US 10,476,446 B2Texas Instruments Incorporated
- Feedback compensated master volume control11 Dec 2018US 10,153,745 B1
- System and method for digital signal processing19 Aug 2021US 2021/0257983 A1Bongiovi Acoustics LLC
- System and method for digital signal processing30 Jul 2020US 2020/0244242 A1Bongiovi Acoustics LLC
- Novel Preamplifier Circuit Configuration20 Feb 2020US 2020/0059205 A1
- Total Harmonic Distortion (THD) Controlled Clip Detector and Automatic Gain Limiter (AGL)13 Dec 2018US 2018/0358935 A1Texas Instruments Incorporated
- Total harmonic distortion (thd) controlled clip detector and automatic gain limiter (agl)5 Jul 2018US 2018/0191310 A1Texas Instruments Incorporated
Most cited
By later US patents
- Input drive control for switcher regulated power amplifier modules16US 7,873,119 B2Research In Motion Limited · 2011
- Solid state musical instrument amplifier with vacuum tube signal magnitude limiting7US 5,727,069 AFender Musical Instruments Corporation · 1998
- Differential gain adjusting amplifier system with selectable electroluminescent differential photocell attenuation6US 6,741,124 B22004
- Input drive control for switcher regulated power amplifier modules6US 8,295,397 B2Research In Motion Limited · 2012
- Total harmonic distortion (THD) controlled clip detector and automatic gain limiter (AGL)2US 10,079,578 B2Texas Instruments Incorporated · 2018