H04N 5/68
Circuit details for cathode-ray display tubes
Official title: Circuit details for cathode-ray display tubes {(deviation circuits H04N3/16)}
H04N5/68 (Circuit details for cathode-ray display tubes) appears on 148 US grants and 42 published applications in this corpus.
Search patents in H04N- Granted patents
- 148
- Published applications
- 42
- Assignees
- 67
- Inventors
- 242
- Latest grant
- 26 May 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 16 | 0 |
| 2001 | 26 | 5 |
| 2002 | 18 | 21 |
| 2003 | 16 | 4 |
| 2004 | 6 | 6 |
| 2005 | 10 | 4 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for controlling a video signal processing apparatus to prevent screen aging26 May 2009US 7,538,790 B2Thomson Licensing
- Artificial firelog and firestarter chip producing apparatus and method and products produced therefrom4 Nov 2008US 7,445,442 B2
- Deflection device for projection tube and projection tube apparatus5 Jun 2007US 7,227,318 B2Matsushita Toshiba Picture Display Co., Ltd.
- Combination DVD apparatus and TV set24 Apr 2007US 7,209,649 B2Funai Electric Co., Ltd.
- Television image receiving apparatus and CRT display apparatus24 Jan 2006US 6,989,639 B2Funai Electric Co., Ltd.
- Method and apparatus for controlling a video signal processing apparatus to prevent screen aging15 Jun 2006US 2006/0130105 A1Thomson Licensing
- Beam current measurement2 Mar 2006US 2006/0043958 A1Koninklijke Philips Electronics N. V.
- Deflection device for projection tube and projection tube apparatus8 Sep 2005US 2005/0194917 A1Matsushita Toshiba Picture Display Co., Ltd.
- Bias circuit to prevent distortion of color in a cathode ray tube11 Aug 2005US 2005/0174481 A1
- Video display unit2 Jun 2005US 2005/0117058 A1
Most cited
By later US patents
- Image display device110US 6,400,418 B1Mitsubishi Denki Kabushiki Kaisha · 2002
- Video circuit with screen-burn-in protection71US 4,338,623 AU. S. Philips Corporation · 1982
- Virtual refresh.TM. architecture for a video-graphics controller51US 6,154,225 ASilicon Motion, Inc. · 2000
- Artificial firelog and firestarter chip producing apparatus50US 6,655,943 B12003
- Signal amplifier, signal amplifier circuit, signal line drive circuit and image display device36US 6,054,976 ASharp Kabushiki Kaisha · 2000