EP0178857A3 - Electron gun - Google Patents
Electron gun Download PDFInfo
- Publication number
- EP0178857A3 EP0178857A3 EP85307284A EP85307284A EP0178857A3 EP 0178857 A3 EP0178857 A3 EP 0178857A3 EP 85307284 A EP85307284 A EP 85307284A EP 85307284 A EP85307284 A EP 85307284A EP 0178857 A3 EP0178857 A3 EP 0178857A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- electron gun
- gun
- electron
- 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.)
- Granted
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
-
- 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
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/4834—Electrical arrangements coupled to electrodes, e.g. potentials
- H01J2229/4837—Electrical arrangements coupled to electrodes, e.g. potentials characterised by the potentials applied
- H01J2229/4841—Dynamic potentials
-
- 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
- H01J2229/4858—Aperture shape as viewed along beam axis parallelogram
- H01J2229/4865—Aperture shape as viewed along beam axis parallelogram rectangle
-
- 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 |
---|---|---|---|
US66260384A | 1984-10-19 | 1984-10-19 | |
US662603 | 1984-10-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0178857A2 EP0178857A2 (en) | 1986-04-23 |
EP0178857A3 true EP0178857A3 (en) | 1986-08-20 |
EP0178857B1 EP0178857B1 (en) | 1989-08-30 |
Family
ID=24658390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85307284A Expired EP0178857B1 (en) | 1984-10-19 | 1985-10-11 | Electron gun |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0178857B1 (en) |
JP (1) | JPS6199251A (en) |
KR (1) | KR860003644A (en) |
CN (1) | CN85107200A (en) |
BR (1) | BR8505150A (en) |
CA (1) | CA1237464A (en) |
CS (1) | CS719485A2 (en) |
DD (1) | DD238473A5 (en) |
DE (1) | DE3572748D1 (en) |
IN (1) | IN165574B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4731563A (en) * | 1986-09-29 | 1988-03-15 | Rca Corporation | Color display system |
US5036258A (en) * | 1989-08-11 | 1991-07-30 | Zenith Electronics Corporation | Color CRT system and process with dynamic quadrupole lens structure |
US5043625A (en) * | 1989-11-15 | 1991-08-27 | Zenith Electronics Corporation | Spherical aberration-corrected inline electron gun |
GB2269267B (en) * | 1991-03-05 | 1995-02-15 | Secr Defence | Focusing means for cathode ray tubes |
GB9104649D0 (en) * | 1991-03-05 | 1991-04-17 | Secr Defence | Focusing means for cathode ray tubes |
US5350967A (en) * | 1991-10-28 | 1994-09-27 | Chunghwa Picture Tubes, Ltd. | Inline electron gun with negative astigmatism beam forming and dynamic quadrupole main lens |
JPH0755891Y2 (en) * | 1992-01-22 | 1995-12-25 | 株式会社ララ | Feces sheets for cats |
CN104157534B (en) * | 2014-08-21 | 2016-07-13 | 中国科学院电子学研究所 | For without intercepting and capturing the frock clamp of grided electron gun assembling and to grid method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319163A (en) * | 1980-06-30 | 1982-03-09 | Rca Corporation | Electron gun with deflection-synchronized astigmatic screen grid means |
GB2084394A (en) * | 1980-07-30 | 1982-04-07 | Matsushita Electronics Corp | Cathode-ray tube driving apparatus |
GB2097577A (en) * | 1981-04-29 | 1982-11-03 | Rca Corp | Electron gun with improved beam forming region and cathode-ray tube and television receiver including same |
US4443736A (en) * | 1981-09-23 | 1984-04-17 | Rca Corporation | Electron gun for dynamic beam shape modulation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5784554A (en) * | 1980-11-13 | 1982-05-26 | Matsushita Electronics Corp | Cathode-ray tube device |
JPS57103244A (en) * | 1980-12-17 | 1982-06-26 | Toshiba Corp | Electron gun for color picture tube |
JPS59157936A (en) * | 1983-02-24 | 1984-09-07 | Mitsubishi Electric Corp | Electron gun for in-line color picture tube |
-
1985
- 1985-09-26 CN CN198585107200A patent/CN85107200A/en active Pending
- 1985-09-26 CA CA000491668A patent/CA1237464A/en not_active Expired
- 1985-10-08 CS CS857194A patent/CS719485A2/en unknown
- 1985-10-11 DE DE8585307284T patent/DE3572748D1/en not_active Expired
- 1985-10-11 EP EP85307284A patent/EP0178857B1/en not_active Expired
- 1985-10-16 KR KR1019850007609A patent/KR860003644A/en not_active Application Discontinuation
- 1985-10-16 BR BR8505150A patent/BR8505150A/en unknown
- 1985-10-17 DD DD85281835A patent/DD238473A5/en unknown
- 1985-10-18 JP JP60234393A patent/JPS6199251A/en active Pending
- 1985-12-03 IN IN863/CAL/85A patent/IN165574B/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319163A (en) * | 1980-06-30 | 1982-03-09 | Rca Corporation | Electron gun with deflection-synchronized astigmatic screen grid means |
GB2084394A (en) * | 1980-07-30 | 1982-04-07 | Matsushita Electronics Corp | Cathode-ray tube driving apparatus |
GB2097577A (en) * | 1981-04-29 | 1982-11-03 | Rca Corp | Electron gun with improved beam forming region and cathode-ray tube and television receiver including same |
US4443736A (en) * | 1981-09-23 | 1984-04-17 | Rca Corporation | Electron gun for dynamic beam shape modulation |
Non-Patent Citations (3)
Title |
---|
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, vol. CE-26, no. 3, August 1980, pages 459-464, IEEE, New York, US; H.Y. CHEN et al.: "A high performance color CRT gun with an asymmetrical beam forming region" * |
PATENTS ABSTRACTS OF JAPAN, vol. 6, no. 189 (E-133) [1067], 28th September 1982; & JP-A-57 103 244 (TOKYO SHIBAURA DENKI K.K.) 26-06-1982 * |
PATENTS ABSTRACTS OF JAPAN, vol. 9, no. 8 (E-289) [1731], 12th January 1985; & JP-A-59 157 936 (MITSUBISHI) 07-09-1984 * |
Also Published As
Publication number | Publication date |
---|---|
DE3572748D1 (en) | 1989-10-05 |
JPS6199251A (en) | 1986-05-17 |
CN85107200A (en) | 1986-07-23 |
EP0178857B1 (en) | 1989-08-30 |
CS719485A2 (en) | 1989-11-14 |
IN165574B (en) | 1989-11-18 |
KR860003644A (en) | 1986-05-28 |
CA1237464A (en) | 1988-05-31 |
BR8505150A (en) | 1986-07-29 |
EP0178857A2 (en) | 1986-04-23 |
DD238473A5 (en) | 1986-08-20 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 19870126 |
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17Q | First examination report despatched |
Effective date: 19880413 |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: RCA LICENSING CORPORATION |
|
GRAA | (expected) grant |
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Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 19890830 Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19890830 |
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26N | No opposition filed |