H03G 9/04
Having discharge tubes
Official title: having discharge tubes
H03G9/04 (Having discharge tubes) appears on 15 US grants and 15 published applications in this corpus.
Search patents in H03G- Granted patents
- 15
- Published applications
- 15
- Assignees
- 8
- Inventors
- 25
- Latest grant
- 16 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Inversion of dynamic range control16 Feb 2021US 10,924,078 B2Dolby International AB
- Techniques for distortion reducing multi-band compressor with timbre preservation9 Jun 2020US 10,680,569 B2Dolby Laboratories Licensing Corporation
- High fidelity, professional grade microphone system for direct coupling to recording components10 Sep 2019US 10,412,477 B2
- Techniques for distortion reducing multi-band compressor with timbre preservation9 Apr 2019US 10,256,785 B2Dolby Laboratories Licensing Corporation
- Techniques for distortion reducing multi-band compressor with timbre preservation3 Apr 2018US 9,935,599 B2Dolby Laboratories Licensing Corporation
- Inversion of Dynamic Range Control27 Feb 2020US 2020/0067476 A1Dolby International AB
- Techniques for Distortion Reducing Multi-Band Compressor with Timbre Preservation27 Jun 2019US 2019/0199309 A1Dolby Laboratories Licensing Corporation
- Techniques for distortion reducing multi-band compressor with timbre preservation31 May 2018US 2018/0152166 A1Dolby Laboratories Licensing Corporation
- High fidelity, professional grade microphone system for direct coupling to recording components22 Mar 2018US 2018/0084325 A1
- Techniques for Distortion Reducing Multi-Band Compressor with Timbre Preservation18 Aug 2016US 2016/0241215 A1Dolby Laboratories Licensing Corporation
Most cited
By later US patents
- Volume and compression control in movie theaters65US 7,551,745 B2Dolby Laboratories Licensing Corporation · 2009
- Low voltage variable gain amplifier with constant input impedance and adjustable one-pole filtering characteristic55US 6,545,534 B1Analog Devices, Inc. · 2003
- Audio signal processing device and audio signal processing method6US 8,761,406 B2Sony Corporation · 2014
- Sound signal processing device and sound signal processing method5US 7,583,809 B2Sony Corporation · 2009
- Speaker system and amplifier5US 8,699,743 B23rd Power Amplication · 2014