H03J 7/026
Means preventing a wrong working of the automatic frequency correction in case
Official title: {Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio}
H03J7/026 (Means preventing a wrong working of the automatic frequency correction in case) appears on 16 US grants and 9 published applications in this corpus.
Search patents in H03J- Granted patents
- 16
- Published applications
- 9
- Assignees
- 11
- Inventors
- 26
- Latest grant
- 20 Oct 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Portable radio terminal and AFC control method20 Oct 2009US 7,606,545 B2NEC Corporation
- Oscillator frequency control6 Jan 2009US 7,474,717 B2Sony Ericsson Mobile Communications AB
- Portable radio terminal and AFC control method4 Dec 2007US 7,305,219 B2NEC Corporation
- Method for achieving immediate and accurate automatic frequency tuning30 Jan 2007US 7,171,181 B2Schick Technologies, Inc.
- Portable radio terminal and AFC control method9 May 2006US 7,043,216 B2NEC Corporation
- Oscillator frequency control19 Jan 2006US 2006/0013345 A1Sony Ericsson Mobile Communications AB
- Channel selecting unit2 Jun 2005US 2005/0117072 A1
- Portable radio terminal and AFC control method26 May 2005US 2005/0111595 A1NEC Corporation
- Portable radio terminal and AFC control method19 May 2005US 2005/0105655 A1NEC Corporation
- Method for achieving immediate and accurate automatic frequency tuning17 Feb 2005US 2005/0037720 A1Schick Technologies, Inc.
Most cited
By later US patents
- Diversity radio receiver automatic frequency control52US 5,321,850 ATelefonaktiebolaget L M Ericsson · 1994
- Circuit arrangement for automatic frequency control in a radio telephone23US 5,335,364 ANokia Mobile Phones Ltd. · 1994
- Automatic frequency control in a radio communication receiver23US 5,457,716 AMotorola, Inc. · 1995
- Automatic frequency control circuit10US 5,513,388 AJapan Radio Co., Ltd. · 1996
- Automatic frequency control oscillation circuit8US 5,818,302 ANEC Corporation · 1998