HK17495A - Electron gun for a cathode ray tube, in particular for colour television - Google Patents
Electron gun for a cathode ray tube, in particular for colour televisionInfo
- Publication number
- HK17495A HK17495A HK17495A HK17495A HK17495A HK 17495 A HK17495 A HK 17495A HK 17495 A HK17495 A HK 17495A HK 17495 A HK17495 A HK 17495A HK 17495 A HK17495 A HK 17495A
- Authority
- HK
- Hong Kong
- Prior art keywords
- ray tube
- cathode ray
- electron gun
- colour television
- colour
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/503—Three or more guns, the axes of which lay in a common plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
- H01J2229/4848—Aperture shape as viewed along beam axis
- H01J2229/4872—Aperture shape as viewed along beam axis circular
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8504848A FR2579823B1 (en) | 1985-03-29 | 1985-03-29 | ELECTRON CANON AND TELEVISION TUBE USING SUCH A CANON |
FR8512419A FR2586326B1 (en) | 1985-08-14 | 1985-08-14 | ELECTRON CANON FOR CATHODE RAY TUBE, ESPECIALLY FOR COLOR TELEVISION |
Publications (1)
Publication Number | Publication Date |
---|---|
HK17495A true HK17495A (en) | 1995-02-17 |
Family
ID=26224444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK17495A HK17495A (en) | 1985-03-29 | 1995-02-09 | Electron gun for a cathode ray tube, in particular for colour television |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0198753B1 (en) |
JP (1) | JP2553468B2 (en) |
CA (1) | CA1248576A (en) |
DE (1) | DE3668096D1 (en) |
HK (1) | HK17495A (en) |
SG (1) | SG135292G (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3374379A (en) * | 1964-03-02 | 1968-03-19 | Nippon Columbia | Low second grid voltage electron gun |
US3873879A (en) * | 1972-01-14 | 1975-03-25 | Rca Corp | In-line electron gun |
JPS5816131Y2 (en) * | 1977-09-16 | 1983-04-01 | 株式会社東芝 | unitized electron gun |
NL8102527A (en) * | 1981-05-22 | 1982-12-16 | Philips Nv | COLOR IMAGE TUBE. |
-
1986
- 1986-03-27 EP EP19860400661 patent/EP0198753B1/en not_active Expired - Lifetime
- 1986-03-27 CA CA000505384A patent/CA1248576A/en not_active Expired
- 1986-03-27 DE DE8686400661T patent/DE3668096D1/en not_active Expired - Lifetime
- 1986-03-29 JP JP61070611A patent/JP2553468B2/en not_active Expired - Lifetime
-
1992
- 1992-12-30 SG SG135292A patent/SG135292G/en unknown
-
1995
- 1995-02-09 HK HK17495A patent/HK17495A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SG135292G (en) | 1993-04-16 |
CA1248576A (en) | 1989-01-10 |
DE3668096D1 (en) | 1990-02-08 |
JP2553468B2 (en) | 1996-11-13 |
JPS61227347A (en) | 1986-10-09 |
EP0198753B1 (en) | 1990-01-03 |
EP0198753A1 (en) | 1986-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PE | Patent expired |
Effective date: 20060326 |