H03G 3/225
Controlling or controlled by the oscillators of a heterodyne receiver
Official title: {controlling or controlled by the (local) oscillators of a (super)heterodyne receiver}
H03G3/225 (Controlling or controlled by the oscillators of a heterodyne receiver) appears on 6 US grants and 3 published applications in this corpus.
Search patents in H03G- Granted patents
- 6
- Published applications
- 3
- Assignees
- 5
- Inventors
- 6
- Latest grant
- 1 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 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 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable gain amplifiers for communication systems1 Sep 2020US 10,763,810 B2Inphi Corporation
- Variable gain amplifiers for communication systems14 Apr 2020US 10,622,955 B2Inphi Corporation
- Variable gain amplifiers for communication systems23 Apr 2019US 10,270,409 B1Inphi Corporation
- Signal amplifier structure for radio transmitter18 Oct 2011US 8,041,314 B2Nokia Corporation
- Receiver including FET frequency mixer10 Sep 1985US 4,541,122 ANippon Electric Co., Ltd.
Most cited
By later US patents
- Variable gain amplifiers for communication systems8US 10,270,409 B1Inphi Corporation · 2019
- Receiver including FET frequency mixer6US 4,541,122 ANippon Electric Co., Ltd. · 1985
- Automatic level control circuit for local oscillator signals with the lever control signal being derived from the DC current present in the diode circuit of an MIC frequency mixer5US 3,946,318 AInternational Telephone and Telegraph Corporation · 1976
- Signal amplifier structure for radio transmitter4US 8,041,314 B2Nokia Corporation · 2011
- Variable gain amplifiers for communication systems1US 10,763,810 B2Inphi Corporation · 2020