H03D 3/003
Arrangements for reducing frequency deviation
Official title: {Arrangements for reducing frequency deviation, e.g. by negative frequency feedback (combined with a phase locked loop demodulator H03D3/242; changing frequency deviation for modulators H03C3/06)}
H03D3/003 (Arrangements for reducing frequency deviation) appears on 87 US grants and 27 published applications in this corpus.
Search patents in H03D- Granted patents
- 87
- Published applications
- 27
- Assignees
- 58
- Inventors
- 115
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 0 |
| 2012 | 3 | 5 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 4 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 3 |
| 2019 | 3 | 4 |
| 2020 | 3 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Ultra-wide band frequency offset estimation systems and methods for analog coherent receivers31 Oct 2023US 11,804,817 B2Maxim Integrated Products, Inc.
- Bandpass filter24 May 2022US 11,342,903 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Ultra-wide band frequency offset estimation systems and methods for analog coherent receivers15 Feb 2022US 11,251,766 B2Maxim Integrated Products, Inc.
- Phase noise compensation apparatus and method and receiver4 Aug 2020US 10,734,950 B2Fujitsu Limited
- Apparatus and method for setting a local oscillator duty ratio based on an image distortion level23 Jun 2020US 10,694,405 B2Futurewei Technologies, Inc.
- Ultra-wide band frequency offset estimation systems and methods for analog coherent receivers12 May 2022US 2022/0149804 A1Maxim Integrated Products, Inc.
- Ultra-wide band frequency offset estimation systems and methods for analog coherent receivers15 Jul 2021US 2021/0218383 A1Maxim Integrated Products, Inc.
- Bandpass filter17 Jun 2021US 2021/0184655 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Phase noise compensation apparatus and method and receiver14 Nov 2019US 2019/0348950 A1Fujitsu Limited
- Radio receiver and intermediate frequency signal generation method13 Jun 2019US 2019/0181888 A1Renesas Electronics Corporation
Most cited
By later US patents
- FM receiver including a phase-quadrature polyphase if filter96US 5,715,529 AU. S. Philips Corporation · 1998
- FM Demodulator with variable bandpass filter37US 4,458,207 AThomson-CSF · 1984
- Received signal detector for digital demodulator35US 5,974,098 ANEC Corporation · 1999
- FM quadrature demodulator with two phase comparison circuits32US 5,341,107 AU. S. Philips Corporation · 1994
- Tracking filter for FM threshold extension31US 4,316,108 A1982