EP0178857A3 - Electron gun - Google Patents

Electron gun Download PDF

Info

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
Application number
EP85307284A
Other versions
EP0178857B1 (en
EP0178857A2 (en
Inventor
Hsing-Yao Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Licensing Corp
Original Assignee
RCA Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of EP0178857A2 publication Critical patent/EP0178857A2/en
Publication of EP0178857A3 publication Critical patent/EP0178857A3/en
Application granted granted Critical
Publication of EP0178857B1 publication Critical patent/EP0178857B1/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/50Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503Three or more guns, the axes of which lay in a common plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/48Electron guns
    • H01J2229/4834Electrical arrangements coupled to electrodes, e.g. potentials
    • H01J2229/4837Electrical arrangements coupled to electrodes, e.g. potentials characterised by the potentials applied
    • H01J2229/4841Dynamic potentials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/48Electron guns
    • H01J2229/4844Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848Aperture shape as viewed along beam axis
    • H01J2229/4858Aperture shape as viewed along beam axis parallelogram
    • H01J2229/4865Aperture shape as viewed along beam axis parallelogram rectangle
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/48Electron guns
    • H01J2229/4844Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848Aperture shape as viewed along beam axis
    • H01J2229/4872Aperture shape as viewed along beam axis circular
EP85307284A 1984-10-19 1985-10-11 Electron gun Expired EP0178857B1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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