H03D 3/242
Combined with means for controlling the frequency of a further oscillator
Official title: {combined with means for controlling the frequency of a further oscillator, e.g. for negative frequency feedback or AFC}
H03D3/242 (Combined with means for controlling the frequency of a further oscillator) appears on 31 US grants and 7 published applications in this corpus.
Search patents in H03D- Granted patents
- 31
- Published applications
- 7
- Assignees
- 21
- Inventors
- 48
- Latest grant
- 4 Aug 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 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Phase noise compensation apparatus and method and receiver4 Aug 2020US 10,734,950 B2Fujitsu Limited
- Phase tracking receiver27 Mar 2018US 9,929,885 B2Stichting IMEC Nederland
- Receiver and wireless communication apparatus3 Aug 2010US 7,769,352 B2Kabushiki Kaisha Toshiba
- Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal18 Aug 2009US 7,577,215 B2Icom Incorporated
- Method and system for recovering information from a magnetic field signal usable for locating an underground object18 Jul 2006US 7,079,591 B2Radiodetection Limited
- Phase noise compensation apparatus and method and receiver14 Nov 2019US 2019/0348950 A1Fujitsu Limited
- Phase Tracking Receiver22 Jun 2017US 2017/0180170 A1Stichting IMEC Nederland
- Receiver and Wireless Communication Apparatus16 Oct 2008US 2008/0254756 A1Kabushiki Kaisha Toshiba
- Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal8 Dec 2005US 2005/0272396 A1Icom Incorporated
- Method and system for recovering information from a magnetic field signal usable for locating an underground object27 Mar 2003US 2003/0058961 A1Radiodetection Limited
Most cited
By later US patents
- Dual conversion FM receiver using phase locked direct conversion IF179US 4,653,117 AMotorola, Inc. · 1987
- Circuit and method for converting a radio frequency signal into a baseband signal141US 5,321,852 ASamsung Electronics Co., Ltd. · 1994
- Zerox-IF receiver with tracking second local oscillator and demodulator phase locked loop oscillator109US 5,606,731 AMotorola, Inc. · 1997
- Data recovery apparatus and methods70US 5,341,405 ADigital Equipment Corporation · 1994
- Indoor unit of receiver for broadcasting satellite62US 4,556,988 AAlps Electric Co., Ltd. · 1985