H04N 9/465
Synchronisation of the pal-switch
Official title: Synchronisation of the PAL-switch
H04N9/465 (Synchronisation of the pal-switch) appears on 17 US grants and 2 published applications in this corpus.
Search patents in H04N- Granted patents
- 17
- Published applications
- 2
- Assignees
- 12
- Inventors
- 21
- Latest grant
- 3 Jul 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- SECAM line identification and PAL switch3 Jul 2012US 8,212,923 B2Newport Media, Inc.
- Automatic color-sync polarity control10 Feb 2009US 7,489,338 B2Broadcom Corporation
- Video synchronizing signal generator12 Oct 1999US 5,966,184 AFocus Enhancements, Inc.
- Color burst forming circuit and color burst gate pulse forming circuit30 Jun 1998US 5,774,184 ARohm Co., Ltd.
- Digital color burst phase switch for pal video systems16 Jun 1998US 5,767,915 ATRW Inc.
Most cited
By later US patents
- PAL alternate line color phase detector8US 4,024,572 ARCA Corporation · 1977
- Color demodulating apparatus7US 4,337,477 AMatsushita Electric Industrial Co., Ltd. · 1982
- PAL switching control circuit5US 4,148,058 ARCA Corporation · 1979
- PAL Demodulator having non-synchronized line switch4US 4,300,155 AMatsushita Electric Industrial Co., Ltd. · 1981
- Device for generating horizontal scanning periodic signal of pal-system to obtain clear display image4US 5,282,020 AFujitsu Devices Inc. · 1994