H04N 9/285
Using quadrupole lenses
Official title: using quadrupole lenses
H04N9/285 (Using quadrupole lenses) appears on 14 US grants and 0 published applications in this corpus.
Search patents in H04N- Granted patents
- 14
- Published applications
- 0
- Assignees
- 11
- Inventors
- 30
- Latest grant
- 18 Mar 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Color CRT apparatus18 Mar 2003US 6,534,935 B1Matsushita Electric Industrial Co., Ltd.
- Cathode ray tube having multiple sets of orbital correction coils28 May 2002US 6,396,206 B1Kabushiki Kaisha Toshiba
- Apparatus for correcting misconvergence and geometric distortion of deflection yoke10 Apr 2001US 6,215,257 B1Samsung Electro-Mechanics Co., Ltd.
- Deflection yoke and cathode ray tube having the same12 Mar 1996US 5,498,939 AHitachi, Ltd.
- Deflection system with a controlled beam spot6 Feb 1996US 5,489,824 ARCA Thomson Licensing Corporation
No published applications in this class yet.
Most cited
By later US patents
- Focus adjusting device for projection display10US 5,039,923 AHitachi, Ltd. · 1991
- Color television display device including a cathode-ray tube8US 4,088,930 AU. S. Philips Corporation · 1978
- Apparatus for correcting misconvergence and geometric distortion of deflection yoke7US 6,215,257 B1Samsung Electro-Mechanics Co., Ltd. · 2001
- Parabolic current generator5US 4,028,586 ARCA Corporation · 1977
- Deflection system with a controlled beam spot4US 5,028,850 ARCA Licensing Corporation · 1991