H04N 9/898
Using frequency multiplication of the reproduced colour signal carrier with another auxiliary
Official title: using frequency multiplication of the reproduced colour signal carrier with another auxiliary reproduced signal, e.g. a pilot signal carrier {(H04N9/83 takes precedence)}
H04N9/898 (Using frequency multiplication of the reproduced colour signal carrier with another auxiliary) appears on 35 US grants and 1 published applications in this corpus.
Search patents in H04N- Granted patents
- 35
- Published applications
- 1
- Assignees
- 12
- Inventors
- 48
- Latest grant
- 13 Nov 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for identifying pre-inserted and/or potential advertisement breaks in a video sequence13 Nov 2012US 8,311,390 B2Digitalsmiths Corporation
- Video signal encoded with additional detail information26 Jun 2001US 6,253,022 B1Samsung Electronics Co., Ltd.
- Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal12 Jun 2001US 6,246,827 B1Samsung Electronics Co., Ltd.
- System for recording and reproducing a wide bandwidth video signal via a narrow bandwidth medium17 Oct 2000US 6,134,373 ASamsung Electronics Co., Ltd.
- Video signal encoded with additional detail information15 Aug 2000US 6,104,863 ASamsung Electronics Co., Ltd.
Most cited
By later US patents
- Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal112US 6,246,827 B1Samsung Electronics Co., Ltd. · 2001
- Video signal recording system enabling limited bandwidth recording and playback39US 5,113,262 ASamsung Electronics Co., Ltd. · 1992
- Nervous clock signal generator for video recorder35US 5,218,449 ASamsung Electronics Co., Ltd. · 1993
- Digital modulators for use with sub-nyquist sampling of raster-scanned samples of image intensity18US 5,576,837 ASamsung Electronics Co., Ltd. · 1996
- Time base correction of color video signal from playback apparatus17US 4,145,705 ASony Corporation · 1979