H04N 9/833
With selection of the conventional or the increased bandwidth signal
Official title: {with selection of the conventional or the increased bandwidth signal, e.g. VHS or SVHS signal selection}
H04N9/833 (With selection of the conventional or the increased bandwidth signal) appears on 20 US grants and 2 published applications in this corpus.
Search patents in H04N- Granted patents
- 20
- Published applications
- 2
- Assignees
- 11
- Inventors
- 43
- Latest grant
- 24 Jul 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 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 | 1 | 2 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for automatic stage scene detection24 Jul 2018US 10,033,939 B2Motorola Mobility LLC
- Method and apparatus for automatic stage scene detection8 Aug 2017US 9,729,796 B1Motorola Mobility LLC
- Signal processing circuit12 Nov 2002US 6,480,668 B1Victor Company of Japan, Ltd.
- Magnetic recording and reproducing video signal in magnetic tape at video quality selectable from prescribed different qualities21 May 2002US 6,393,194 B1Victor Company of Japan, Ltd.
- Duplication apparatus having automatic select function of copy mode10 Apr 2001US 6,215,953 B1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Magnetic recording and reproducing apparatus27US 4,786,986 AHitachi, Ltd. · 1988
- Circuit for detecting a video mode16US 4,991,027 ASony Corporation · 1991
- Digital magnetic recording/reproducing apparatus and cassette digital magnetic recording/reproducing apparatus9US 5,758,013 AKabushiki Kaisha Toshiba · 1998
- Signal discriminating device for VTR having expanded dynamic range8US 5,075,803 AHitachi, Ltd. · 1991
- VTR having automatic carrier detection7US 4,686,585 ASony Corporation · 1987