H03D 3/14
By means of semiconductor devices having more than two electrodes
Official title: by means of semiconductor devices having more than two electrodes
H03D3/14 (By means of semiconductor devices having more than two electrodes) appears on 10 US grants and 0 published applications in this corpus.
Search patents in H03D- Granted patents
- 10
- Published applications
- 0
- Assignees
- 9
- Inventors
- 15
- Latest grant
- 11 May 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Monolithically integrable frequency demodulator device11 May 1999US 5,903,187 AThomson Broadcast Systems
- FM detector circuit with error voltage applied to phase shifting circuit12 Apr 1994US 5,302,910 AToko, Inc.
- FM demodulating circuit having an insensitive frequency point17 Dec 1985US 4,559,566 AVictor Company of Japan, Ltd.
- FM Detector using a phase shift network and an analog multiplier7 Dec 1982US 4,362,998 AHitachi, Ltd.
- Frequency discriminator utilizing a transferred electron device26 Oct 1982US 4,356,415 ARCA Corporation
No published applications in this class yet.
Most cited
By later US patents
- Monolithically integrable frequency demodulator device102US 5,903,187 AThomson Broadcast Systems · 1999
- Detector for AM-FM signals10US 3,999,138 AGeneral Electric Company · 1976
- Time modulation pulse averaging demodulator4US 4,280,100 ABell & Howell Company · 1981
- FM Detector using a phase shift network and an analog multiplier3US 4,362,998 AHitachi, Ltd. · 1982
- FM Detector using a phase shift network and an analog multiplier2US 4,236,117 AHitachi, Ltd. · 1980