H04N 11/18
Using simultaneous and sequential signals
Official title: using simultaneous and sequential signals, e.g. SECAM-system
H04N11/18 (Using simultaneous and sequential signals) appears on 49 US grants and 10 published applications in this corpus.
Search patents in H04N- Granted patents
- 49
- Published applications
- 10
- Assignees
- 29
- Inventors
- 68
- Latest grant
- 21 Aug 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 4 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Video luminance chrominance separation21 Aug 2012US 8,248,536 B2ATI Technologies, Inc.
- SECAM line identification and PAL switch3 Jul 2012US 8,212,923 B2Newport Media, Inc.
- Color reconstruction system and method for a secam television signal26 Jun 2012US 8,208,075 B2Sunplus Technology Co., Ltd.
- Frequency demodulator for recovering SECAM chrominance signal and method thereof31 Jan 2012US 8,107,013 B2Nextchip Co., Ltd.
- Delay circuit and video signal processing circuit using the same21 Sep 2010US 7,800,696 B2Sanyo Electric Co., Ltd.
- SECAM Line Identification and PAL Switch13 Oct 2011US 2011/0249182 A1Newport Media, Inc.
- Color reconstruction system and method for a secam television signal11 Mar 2010US 2010/0060796 A1Sunplus Technology Co., Ltd.
- Video luminance chrominance separation25 Feb 2010US 2010/0045871 A1ATI Technologies, Inc.
- Video signal processing apparatus and method4 Feb 2010US 2010/0026902 A1NEC Electronics Corporation
- Frequency demodulator for recovering SECAM chrominance signal and method thereof28 Feb 2008US 2008/0049144 A1Nextchip Co., Ltd.
Most cited
By later US patents
- Phase locked demodulator10US 4,051,440 ATektronix, Inc. · 1977
- Secam color television receivers employing tunable notch filter in luminance channel9US 3,969,762 AThomson-CSF · 1976
- SECAM Chroma demodulator circuit8US 4,232,268 ARCA Corporation · 1980
- Process for demodulating a frequency-modulated signal and demodulators using this process7US 4,455,533 AThomson-CSF · 1984
- Circuit for digital FM demodulation7US 4,528,511 AITT Industries, Inc. · 1985