H03G 1/0064
Variable capacitance diodes
Official title: {Variable capacitance diodes}
H03G1/0064 (Variable capacitance diodes) appears on 7 US grants and 2 published applications in this corpus.
Search patents in H03G- Granted patents
- 7
- Published applications
- 2
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 6 Dec 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 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 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-varactor approach for improved VCO gain6 Dec 2016US 9,515,625 B2Nitero Pty Limited
- Microphone output limiter24 Jul 2001US 6,266,423 B1Aphex Systems, Ltd.
- Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier21 Apr 1998US 5,742,201 ASpectrian Corporation
- Ultrasound transducer head with integrated variable-gain amplifier devices3 Mar 1998US 5,724,312 ASiemens Aktiengesellschaft
- Bandwidth limiting circuit with variable bandwidth29 Jan 1991US 4,989,264 AKabushiki Kaisha Toshiba
Most cited
By later US patents
- Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier83US 5,742,201 ASpectrian Corporation · 1998
- Microphone output limiter18US 6,266,423 B1Aphex Systems, Ltd. · 2001
- Ultrasound transducer head with integrated variable-gain amplifier devices10US 5,724,312 ASiemens Aktiengesellschaft · 1998
- Bandwidth limiting circuit with variable bandwidth8US 4,989,264 AKabushiki Kaisha Toshiba · 1991
- Broad band amplifier having negative feedback and a controllable amplification factor6US 4,023,112 ATelefonaktiebolaget L M Ericsson · 1977