H03D 3/20
Producing pulses whose amplitude or duration depends on phase difference
Official title: producing pulses whose amplitude or duration depends on phase difference
H03D3/20 (Producing pulses whose amplitude or duration depends on phase difference) appears on 22 US grants and 1 published applications in this corpus.
Search patents in H03D- Granted patents
- 22
- Published applications
- 1
- Assignees
- 17
- Inventors
- 39
- Latest grant
- 21 Mar 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 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 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Decoding circuit and method of decoding signal21 Mar 2017US 9,602,094 B2SK hynix Inc.
- System for recovery of digital data from amplitude and phase modulated line signals using delay lines23 Jan 2001US 6,178,208 B1Legerity, Inc.
- Digital quadrature discriminator for demodulation of frequency-modulated information27 Jun 2000US 6,081,155 ATexas Instruments Incorporated
- Digital frequency discriminator27 Oct 1998US 5,828,238 ARaytheon Company
- Phase demodulator receiving inputs from phase detector and binary phase detector11 Apr 1995US 5,406,218 AHitachi, Ltd.
Most cited
By later US patents
- Digital delay FM demodulator with filtered noise dither90US 4,772,853 ARockwell International Corporation · 1988
- FM demodulation device and FM modulation device employing a CMOS signal delay device49US 4,988,960 AYamaha Corporation · 1991
- Radio receiver for tone modulated signals18US 4,254,503 AInternational Standard Electric Corporation · 1981
- Detector for AM-FM signals10US 3,999,138 AGeneral Electric Company · 1976
- Tuned inductorless active phase shift demodulator10US 4,628,272 AMotorola, Inc. · 1986