H04N 9/18
Using separate electron beams for the primary colour signals
Official title: using separate electron beams for the primary colour signals (H04N9/27 takes precedence)
H04N9/18 (Using separate electron beams for the primary colour signals) appears on 36 US grants and 13 published applications in this corpus.
Search patents in H04N- Granted patents
- 36
- Published applications
- 13
- Assignees
- 28
- Inventors
- 52
- Latest grant
- 25 Nov 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 4 |
| 2003 | 3 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of performing convergence calibration for a display25 Nov 2008US 7,456,908 B2Chunghwa Picture Tubes, Ltd.
- Color display pixel arrangements and addressing means11 Dec 2007US 7,307,646 B2Clairvoyante, Inc
- Subpixel rendering for cathode ray tube devices11 Sep 2007US 7,268,748 B2Clairvoyante, Inc
- Lens systems for projection televisions7 Nov 2006US 7,133,084 B23M Innovative Properties Company
- Lens systems for projection televisions28 Mar 2006US 7,019,793 B23M Innovative Properties Company
- Method of performing convergence calibration for a display8 Mar 2007US 2007/0052870 A1Chunghwa Picture Tubes, Ltd.
- Lens systems for projection televisions11 May 2006US 2006/0098125 A13M Innovative Properties Company
- Color display pixel arrangements and addressing means19 May 2005US 2005/0104908 A1ClairVoyante Laboratories, Inc.
- Lens systems for projection televisions17 Mar 2005US 2005/0057825 A13M Innovative Properties Company
- Subpixel rendering for cathode ray tube devices25 Nov 2004US 2004/0232844 A1Clairvoyante, Inc
Most cited
By later US patents
- Lens systems for projection televisions122US 6,791,629 B23M Innovative Properties Company · 2004
- Lens systems for projection televisions90US 7,133,084 B23M Innovative Properties Company · 2006
- Lens systems for projection televisions88US 7,019,793 B23M Innovative Properties Company · 2006
- Field sequential liquid crystal display with enhanced brightness75US 4,611,889 ATektronix, Inc. · 1986
- System and method for displaying a color picture66US 6,034,666 AMitsubishi Denki Kabushiki Kaisha · 2000