H03G 9/30
All amplifying stages having semiconductor devices
Official title: all amplifying stages having semiconductor devices
H03G9/30 (All amplifying stages having semiconductor devices) appears on 4 US grants and 1 published applications in this corpus.
Search patents in H03G- Granted patents
- 4
- Published applications
- 1
- Assignees
- 2
- Inventors
- 2
- Latest grant
- 27 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for processing an audio signal for replay on an audio device27 Apr 2021US 10,991,375 B2Mimi Hearing Technologies GmbH
- Systems and methods for processing an audio signal for replay on an audio device5 Feb 2019US 10,199,047 B1Mimi Hearing Technologies GmbH
- Low input signal bandwidth compressor and amplifier control circuit with a state variable pre-amplifier7 Apr 1998US 5,736,897 ABBE Sound Inc.
- Low input signal bandwidth compressor and amplifier control circuit23 Apr 1996US 5,510,752 ABBE Sound Inc.
Most cited
By later US patents
- Systems and methods for processing an audio signal for replay on an audio device18US 10,199,047 B1Mimi Hearing Technologies GmbH · 2019
- Low input signal bandwidth compressor and amplifier control circuit6US 5,510,752 ABBE Sound Inc. · 1996
- Low input signal bandwidth compressor and amplifier control circuit with a state variable pre-amplifier4US 5,736,897 ABBE Sound Inc. · 1998