H01J 29/702
Convergence correction arrangements therefor
Official title: {Convergence correction arrangements therefor}
H01J29/702 (Convergence correction arrangements therefor) appears on 248 US grants and 54 published applications in this corpus.
Search patents in H01J- Granted patents
- 248
- Published applications
- 54
- Assignees
- 69
- Inventors
- 354
- Latest grant
- 10 Jun 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 16 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 13 | 4 |
| 2002 | 27 | 19 |
| 2003 | 14 | 10 |
| 2004 | 11 | 8 |
| 2005 | 6 | 9 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cathode-ray tube apparatus with magnetic spacers between magnetic rings10 Jun 2008US 7,385,341 B2Matsushita Toshiba Picture Display Co., Ltd.
- Color cathode-ray tube apparatus1 Jan 2008US 7,315,112 B2Matsushita Toshiba Picture Display Co., Ltd.
- Cathode-ray tube device capable of reducing misconvergence5 Jun 2007US 7,227,301 B2Matsushita Electric Industrial Co., Ltd.
- Velocity modulation coil apparatus and cathode-ray tube apparatus31 Oct 2006US 7,129,628 B2Matsushita Toshiba Picture Display Co., Ltd.
- Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams2 May 2006US 7,038,368 B2Matsushita Toshiba Picture Display Co., Ltd.
- Magnetic Field Compensation Apparatus for Cathode Ray Tube30 Apr 2009US 2009/0108729 A1
- Hdtv crt display having optimized tube geometry, yoke field and gun orientation17 May 2007US 2007/0109217 A1Thomson Licensing
- Color picture tube apparatus2 Mar 2006US 2006/0043867 A1Matsushita Toshiba Picture Display Co., Ltd.
- Color cathode-ray tube apparatus9 Feb 2006US 2006/0028116 A1Matsushita Toshiba Picture Display Co., Ltd.
- Velocity modulation coil apparatus and cathode-ray tube apparatus15 Dec 2005US 2005/0275332 A1Matsushita Toshiba Picture Display Co., Ltd.
Most cited
By later US patents
- Device for displaying color television images55US 4,027,219 AU. S. Philips Corporation · 1977
- Magnetic beam adjusting rings with different thickness33US 5,399,933 AChunghwa Picture Tubes, Ltd. · 1995
- Deflection yoke for a color cathode ray tube19US 4,433,268 ATokyo Shibaura Denki Kabushiki Kaisha · 1984
- Self-converging deflection yoke18US 4,246,560 AHitachi, Ltd. · 1981
- In-line color picture tube apparatus with dynamic convergence correction device18US 4,642,527 AHitachi, Ltd. · 1987