H04N 3/223
Controlling dimensions
Official title: Controlling dimensions (by maintaining the cathode-ray tube high voltage constant H04N3/185)
H04N3/223 (Controlling dimensions) appears on 119 US grants and 14 published applications in this corpus.
Search patents in H04N- Granted patents
- 119
- Published applications
- 14
- Assignees
- 46
- Inventors
- 162
- Latest grant
- 2 Oct 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 16 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 4 |
| 2005 | 1 | 4 |
| 2006 | 4 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Projection system, image processing apparatus, and calibration method2 Oct 2018US 10,091,475 B2Ricoh Company, Ltd.
- Drive apparatus for frame deflection and method29 Jan 2013US 8,362,716 B2Entropic Communications, Inc.
- Bias circuit and method for operating the same2 Jun 2009US 7,541,754 B2LG Electronics Inc.
- Video display apparatus and video display method29 May 2007US 7,224,350 B2Sony Corporation
- Scanning circuit of electron tube displays4 Jul 2006US 7,071,636 B2STMicroelectronics S.r.l.
- Projection system, image processing apparatus, and calibration method6 Oct 2016US 2016/0295184 A1Ricoh Company, Ltd.
- Drive apparatus for frame deflection and method13 Jan 2011US 2011/0007038 A1Entropic Communications, Inc.
- Bias circuit and method for operating the same22 Jun 2006US 2006/0132067 A1LG Electronics Inc.
- Deflection supply voltage feedback control in conjunction with frequency change29 Sep 2005US 2005/0212976 A1Thomson Licensing
- Video display apparatus and video display method30 Jun 2005US 2005/0140701 A1Sony Corporation
Most cited
By later US patents
- Luminance processing system for compressing and expanding video data142US 5,311,309 AThomson Consumer Electronics, Inc. · 1994
- Two stage interpolation system128US 5,351,087 AThomson Consumer Electronics, Inc. · 1994
- Delay matching for video data during expansion and compression127US 5,345,272 AThomson Consumer Electronics, Inc. · 1994
- Wide screen image projection apparatus112US 4,385,324 ASony Corporation · 1983
- Field synchronization system with write/read pointer control103US 5,294,983 AThomson Consumer Electronics, Inc. · 1994