H01J 2231/125
With a plurality of electron guns within the tube envelope
Official title: with a plurality of electron guns within the tube envelope
H01J2231/125 (With a plurality of electron guns within the tube envelope) appears on 51 US grants and 10 published applications in this corpus.
Search patents in H01J- Granted patents
- 51
- Published applications
- 10
- Assignees
- 10
- Inventors
- 64
- Latest grant
- 2 Nov 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 5 |
| 2003 | 7 | 3 |
| 2004 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Glass funnel for a cathode ray tube and a cathode ray tube2 Nov 2004US 6,812,632 B2Asahi Glass Company, Limited
- Beam-index-type cathode ray tube1 Jun 2004US 6,744,185 B2Samsung SDI.Co., Ltd.
- Laterally spaced multiple electron gun color cathode ray tube device29 Jul 2003US 6,600,253 B2
- Cathode ray tube and intensity controlling method17 Jun 2003US 6,580,233 B2Sony Corporation
- Glass funnel having arch-like ridge portions and cathode ray tube using same10 Jun 2003US 6,577,055 B1Asahi Glass Company, Limited
- Side projection type cathode ray tube9 Sep 2004US 2004/0174111 A1
- Glass funnel for a cathode ray tube and a cathode ray tube4 Sep 2003US 2003/0164671 A1Asahi Glass Company, Limited
- Beam-index-type cathode ray tube30 Jan 2003US 2003/0020410 A1Samsung SDI.Co., Ltd.
- Laterally spaced multiple electron gun color cathode ray tube device2 Jan 2003US 2003/0001473 A1U. S. Philips Corporation
- Cathode ray tube and method of manufacturing the same, and color selecting member for cathode ray tube and method of manufacturing the same28 Nov 2002US 2002/0175614 A1
Most cited
By later US patents
- Large screen video display comprising a matrix array of cathode-ray tubes operated at increased vertical and horizontal scan rates32US 4,635,105 AThomson-CSF · 1987
- Color cathode ray tube22US 4,792,720 AKabushiki Kaisha Toshiba · 1988
- Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly22US 6,130,502 AKabushiki Kaisha Toshiba · 2000
- Color cathode ray tube with plural electron gun assemblies15US 4,714,856 AKabushiki Kaisha Toshiba · 1987
- Color cathode ray tube with plural electron gun assemblies14US 4,712,038 AKabushiki Kaisha Toshiba · 1987