H03D 3/24
Modifications of demodulators to reject or remove amplitude variations by means of
Official title: Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
H03D3/24 (Modifications of demodulators to reject or remove amplitude variations by means of) appears on 220 US grants and 67 published applications in this corpus.
Search patents in H03D- Granted patents
- 220
- Published applications
- 67
- Assignees
- 125
- Inventors
- 314
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 13 | 0 |
| 1996 | 7 | 0 |
| 1997 | 15 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 4 |
| 2002 | 2 | 5 |
| 2003 | 3 | 5 |
| 2004 | 6 | 4 |
| 2005 | 3 | 2 |
| 2006 | 3 | 6 |
| 2007 | 4 | 1 |
| 2008 | 4 | 8 |
| 2009 | 3 | 7 |
| 2010 | 5 | 1 |
| 2011 | 6 | 3 |
| 2012 | 5 | 1 |
| 2013 | 3 | 0 |
| 2014 | 5 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 3 | 3 |
| 2018 | 1 | 2 |
| 2019 | 3 | 4 |
| 2020 | 4 | 3 |
| 2021 | 1 | 0 |
| 2022 | 4 | 5 |
| 2023 | 2 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for phase locked loop (PLL) based removal of modulated interference29 Oct 2024US 12,132,446 B1Rockwell Collins, Inc.
- Demodulator and wireless receiver including the same9 Jan 2024US 11,870,394 B2Sony Semiconductor Solutions Corporation
- Phase demodulator with negative feedback loop5 Dec 2023US 11,837,996 B2Electronics and Telecommunications Research Institute
- Phase demodulator with negative feedback loop24 Oct 2023US 11,799,424 B2Electronics and Telecommunications Research Institute
- Accelerated channel scanning with a two-point-modulated phase-locked loop6 Sep 2022US 11,437,957 B2QUALCOMM Incorporated
- Phase demodulator with negative feedback loop22 Sep 2022US 2022/0302909 A1Electronics and Telecommunications Research Institute
- Accelerated channel scanning with a two-point-modulated phase-locked loop4 Aug 2022US 2022/0247355 A1QUALCOMM Incorporated
- Demodulator and wireless receiver including the same4 Aug 2022US 2022/0247356 A1Sony Semiconductor Solutions Corporation
- Phase locked loop and electronic device including the same10 Mar 2022US 2022/0077864 A1Samsung Electronics Co., Ltd.
- Frequency modulation demodulation device and control method of frequency modulation demodulation device6 Jan 2022US 2022/0006676 A1RichWave Technology Corp.
Most cited
By later US patents
- Adaptive data rate modem346US 5,541,955 APericle Communications Company · 1996
- Phase lock loop multitone interference canceling system199US 4,027,264 AThe United States of America as represented by the Secretary of the Army · 1977
- Multiple reuse of an FM band195US 4,992,747 A1991
- Multiple reuse of an FM band186US 4,859,958 A1989
- Method and apparatus for the cancellation of interference in electrical systems185US 5,541,959 A1996