DE69308439D1 - Kathodenstrahlröhre - Google Patents
KathodenstrahlröhreInfo
- Publication number
- DE69308439D1 DE69308439D1 DE69308439T DE69308439T DE69308439D1 DE 69308439 D1 DE69308439 D1 DE 69308439D1 DE 69308439 T DE69308439 T DE 69308439T DE 69308439 T DE69308439 T DE 69308439T DE 69308439 D1 DE69308439 D1 DE 69308439D1
- Authority
- DE
- Germany
- Prior art keywords
- ray tube
- cathode ray
- cathode
- tube
- ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
- H01J29/563—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for controlling cross-section
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92202947 | 1992-09-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69308439D1 true DE69308439D1 (de) | 1997-04-10 |
DE69308439T2 DE69308439T2 (de) | 1997-08-21 |
Family
ID=8210938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69308439T Expired - Fee Related DE69308439T2 (de) | 1992-09-25 | 1993-09-17 | Kathodenstrahlröhre |
Country Status (4)
Country | Link |
---|---|
US (1) | US5448134A (de) |
JP (1) | JPH06196106A (de) |
KR (1) | KR100275357B1 (de) |
DE (1) | DE69308439T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005501378A (ja) * | 2001-08-28 | 2005-01-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | He−crtのプリフォーカスレンズ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4318027A (en) * | 1978-04-12 | 1982-03-02 | Rca Corporation | High potential, low magnification electron gun |
US4529910A (en) * | 1982-03-31 | 1985-07-16 | Zenith Electronics Corporation | High-performance electron gun |
US4764704A (en) * | 1987-01-14 | 1988-08-16 | Rca Licensing Corporation | Color cathode-ray tube having a three-lens electron gun |
US5287038A (en) * | 1992-05-14 | 1994-02-15 | Litton Systems, Inc. | High resolution electron gun |
-
1993
- 1993-09-01 US US08/115,339 patent/US5448134A/en not_active Expired - Fee Related
- 1993-09-07 KR KR1019930017864A patent/KR100275357B1/ko not_active IP Right Cessation
- 1993-09-17 DE DE69308439T patent/DE69308439T2/de not_active Expired - Fee Related
- 1993-09-22 JP JP5236430A patent/JPH06196106A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69308439T2 (de) | 1997-08-21 |
KR100275357B1 (ko) | 2001-01-15 |
KR940007952A (ko) | 1994-04-28 |
JPH06196106A (ja) | 1994-07-15 |
US5448134A (en) | 1995-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |