H04N 3/20
Prevention of damage to cathode-ray tubes in the event of failure of
Official title: Prevention of damage to cathode-ray tubes in the event of failure of scanning
H04N3/20 (Prevention of damage to cathode-ray tubes in the event of failure of) appears on 164 US grants and 24 published applications in this corpus.
Search patents in H04N- Granted patents
- 164
- Published applications
- 24
- Assignees
- 66
- Inventors
- 212
- Latest grant
- 12 Sep 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 1 |
| 2002 | 6 | 3 |
| 2003 | 3 | 5 |
| 2004 | 1 | 3 |
| 2005 | 3 | 5 |
| 2006 | 5 | 2 |
| 2007 | 7 | 4 |
| 2008 | 1 | 0 |
| 2009 | 3 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for using glass touch screen protector12 Sep 2017US 9,760,121 B2Aevoe International Ltd.
- Glass touch screen protector28 Jul 2015US 9,092,195 B1Aevoe International Ltd.
- Method and system for displaying content while reducing burn-in of a display10 May 2011US 7,940,303 B1Music Choice
- Method and system for maintaining even tube burn-in6 Jul 2010US 7,750,938 B2Thomson Licensing
- Method and system for displaying content while reducing burn-in of a display1 Dec 2009US 7,626,609 B1Music Choice
- Glass touch screen protector31 Mar 2016US 2016/0091928 A1Aevoe International Ltd.
- Image display apparatus and display screen burn-in prevention method11 Oct 2007US 2007/0236410 A1Pioneer Corporation
- Image processing method and device30 Aug 2007US 2007/0200951 A1Beyond Innovation Technology Co., Ltd.
- Method and system for maintaining even tube burn-in5 Jul 2007US 2007/0153087 A1Thomson Licensing
- Display unit25 Jan 2007US 2007/0019074 A1
Most cited
By later US patents
- Video circuit with screen-burn-in protection71US 4,338,623 AU. S. Philips Corporation · 1982
- Method and apparatus to minimize burn lines on a display58US 6,369,851 B1Sony Corporation · 2002
- CRT display anti-burn circuit56US 4,127,796 AHughes Aircraft Company · 1978
- Method and apparatus for operating a display monitor55US 4,677,430 AAmerican Telephone and Telegraph Company · 1987
- Television apparatus having kinescope spot burn protection circuit with extended grid cut-off time constant53US 5,130,615 AThomson Consumer Electronics, Inc. · 1992