H03D 1/229
Using at least a two emittor-coupled differential pair of transistors
Official title: {using at least a two emittor-coupled differential pair of transistors (H03D1/2209 - H03D1/2281 take precedence)}
H03D1/229 (Using at least a two emittor-coupled differential pair of transistors) appears on 24 US grants and 6 published applications in this corpus.
Search patents in H03D- Granted patents
- 24
- Published applications
- 6
- Assignees
- 14
- Inventors
- 31
- Latest grant
- 21 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 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 | 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 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fast current-based envelope detector21 Apr 2020US 10,627,430 B2
- Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection21 Jan 2014US 8,634,786 B2International Business Machines Corporation
- Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection21 Jan 2014US 8,634,787 B2International Business Machines Corporation
- Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection24 Sep 2013US 8,543,079 B2International Business Machines Corporation
- Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection21 Aug 2012US 8,249,542 B2International Business Machines Corporation
- Fast current-based envelope detector30 Nov 2017US 2017/0343589 A1
- Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection21 Feb 2013US 2013/0044837 A1International Business Machines Corporation
- Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection21 Feb 2013US 2013/0045701 A1International Business Machines Corporation
- Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection21 Feb 2013US 2013/0045702 A1International Business Machines Corporation
- Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection13 Nov 2008US 2008/0280577 A1International Business Machines Corporation
Most cited
By later US patents
- I/Q quadraphase modulator circuit126US 5,574,755 APhilips Electronics North America Corporation · 1996
- Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection81US 7,512,395 B2International Business Machines Corporation · 2009
- Automatic gain control system10US 3,936,599 AGeneral Electric Company · 1976
- Circuit for demodulating a stereo signal8US 4,074,075 ASony Corporation · 1978
- Electronic circuit including a current mirror circuit8US 4,410,858 ATokyo Shibaura Denki Kabushiki Kaisha · 1983