H04N 9/7976
By spectrum folding of the high frequency components of the luminance signal
Official title: {by spectrum folding of the high frequency components of the luminance signal}
H04N9/7976 (By spectrum folding of the high frequency components of the luminance signal) appears on 31 US grants and 2 published applications in this corpus.
Search patents in H04N- Granted patents
- 31
- Published applications
- 2
- Assignees
- 4
- Inventors
- 28
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Image sensor and driving method thereof17 May 2022US 11,336,845 B2Samsung Electronics Co., Ltd.
- 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 processing in which high frequency luminance components are folded into a mid-band spectrum50US 4,831,463 A1989
- Video signal recording system enabling limited bandwidth recording and playback39US 5,113,262 ASamsung Electronics Co., Ltd. · 1992
- EDTV recording apparatus26US 4,879,606 AGeneral Electric Company · 1989
- Synchronization method and apparatus19US 4,772,966 AOtari Electric Company, Ltd. · 1988