JPS5413769A - Color picture tube - Google Patents

Color picture tube

Info

Publication number
JPS5413769A
JPS5413769A JP7925777A JP7925777A JPS5413769A JP S5413769 A JPS5413769 A JP S5413769A JP 7925777 A JP7925777 A JP 7925777A JP 7925777 A JP7925777 A JP 7925777A JP S5413769 A JPS5413769 A JP S5413769A
Authority
JP
Japan
Prior art keywords
picture tube
color picture
distorting
asymmetrically
screen
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.)
Pending
Application number
JP7925777A
Other languages
Japanese (ja)
Other versions
JPS5736707B2 (en
Inventor
Hideo Muranishi
Ryuzo Okamoto
Original Assignee
Matsushita Electronics 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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP7925777A priority Critical patent/JPS5736707B2/ja
Publication of JPS5413769A publication Critical patent/JPS5413769A/en
Publication of JPS5736707B2 publication Critical patent/JPS5736707B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC 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

Abstract

PURPOSE:To improve the total resolution over the entire region of a screen by distorting a prefocus lens and main lens axis-asymmetrically.
JP7925777A 1977-07-01 1977-07-01 Expired JPS5736707B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7925777A JPS5736707B2 (en) 1977-07-01 1977-07-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7925777A JPS5736707B2 (en) 1977-07-01 1977-07-01

Publications (2)

Publication Number Publication Date
JPS5413769A true JPS5413769A (en) 1979-02-01
JPS5736707B2 JPS5736707B2 (en) 1982-08-05

Family

ID=13684794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7925777A Expired JPS5736707B2 (en) 1977-07-01 1977-07-01

Country Status (1)

Country Link
JP (1) JPS5736707B2 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5648036A (en) * 1979-09-26 1981-05-01 Mitsubishi Electric Corp Electrode structure of inline type electron gun
JPS57176511A (en) * 1981-04-22 1982-10-29 Hitachi Ltd Noise suppression circuit for audio signal
US4374342A (en) * 1980-10-15 1983-02-15 North American Philips Consumer Electronics Corp. Focusing means in a unitized bi-potential CRT electron gun assembly
US4374341A (en) * 1980-10-15 1983-02-15 North American Philips Consumer Electronics Corp. Beam focusing means in a unitized tri-potential CRT electron gun assembly
JPS59142707A (en) * 1983-02-04 1984-08-16 Nakamichi Corp Signal processing circuit
US4473775A (en) * 1980-09-11 1984-09-25 Matsushita Electronics Corporation Cathode-ray tube device
JPS6049541A (en) * 1983-07-29 1985-03-18 Philips Corp Color cathode ray tube with electron gun and method of producing same gun
US4517488A (en) * 1983-04-14 1985-05-14 North American Philips Consumer Electronics Corp. In-line electron gun structure for color cathode ray tube having lensing electrodes with tapered apertures and beam spot-shaping inserts
US4581560A (en) * 1981-12-16 1986-04-08 Hitachi, Ltd. Electron gun for color picture tube
US4659961A (en) * 1983-10-17 1987-04-21 Nec Corporation Cup member of an in-line electron gun capable of reducing a coma aberration
JPS62193045A (en) * 1986-02-12 1987-08-24 Rca Corp Color display device and color cathode ray tube
US4825120A (en) * 1986-10-22 1989-04-25 Hitachi, Ltd. Electron gun apparatus with auxiliary electrodes for a color cathode-ray tube
FR2644628A1 (en) * 1989-03-17 1990-09-21 Videocolor Focusing grid for online electron canon for colored television tube and online electron canon using such a grid
US5291093A (en) * 1991-02-12 1994-03-01 Samsung Electron Devices Co., Ltd. Inline type electron gun for color cathode ray tubes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0343767Y2 (en) * 1984-10-29 1991-09-13
JPH0567103U (en) * 1992-02-17 1993-09-03 河村電器産業株式会社 Dustproof and waterproof structure of the box for storing electrical equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5076976A (en) * 1973-11-08 1975-06-24
JPS5185667A (en) * 1975-01-24 1976-07-27 Matsushita Electronics Corp Karaajuzokansochi
JPS5251863A (en) * 1975-10-22 1977-04-26 Mitsubishi Electric Corp Electronic gun for color picture tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5076976A (en) * 1973-11-08 1975-06-24
JPS5185667A (en) * 1975-01-24 1976-07-27 Matsushita Electronics Corp Karaajuzokansochi
JPS5251863A (en) * 1975-10-22 1977-04-26 Mitsubishi Electric Corp Electronic gun for color picture tube

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5648036A (en) * 1979-09-26 1981-05-01 Mitsubishi Electric Corp Electrode structure of inline type electron gun
US4473775A (en) * 1980-09-11 1984-09-25 Matsushita Electronics Corporation Cathode-ray tube device
US4374342A (en) * 1980-10-15 1983-02-15 North American Philips Consumer Electronics Corp. Focusing means in a unitized bi-potential CRT electron gun assembly
US4374341A (en) * 1980-10-15 1983-02-15 North American Philips Consumer Electronics Corp. Beam focusing means in a unitized tri-potential CRT electron gun assembly
JPS57176511A (en) * 1981-04-22 1982-10-29 Hitachi Ltd Noise suppression circuit for audio signal
JPH0373068B2 (en) * 1981-04-22 1991-11-20 Hitachi Ltd
US4581560A (en) * 1981-12-16 1986-04-08 Hitachi, Ltd. Electron gun for color picture tube
JPS59142707A (en) * 1983-02-04 1984-08-16 Nakamichi Corp Signal processing circuit
US4517488A (en) * 1983-04-14 1985-05-14 North American Philips Consumer Electronics Corp. In-line electron gun structure for color cathode ray tube having lensing electrodes with tapered apertures and beam spot-shaping inserts
JPS6049541A (en) * 1983-07-29 1985-03-18 Philips Corp Color cathode ray tube with electron gun and method of producing same gun
US4659961A (en) * 1983-10-17 1987-04-21 Nec Corporation Cup member of an in-line electron gun capable of reducing a coma aberration
JPS62193045A (en) * 1986-02-12 1987-08-24 Rca Corp Color display device and color cathode ray tube
JPH0544771B2 (en) * 1986-02-12 1993-07-07 Rca Thomson Licensing Corp
US4825120A (en) * 1986-10-22 1989-04-25 Hitachi, Ltd. Electron gun apparatus with auxiliary electrodes for a color cathode-ray tube
FR2644628A1 (en) * 1989-03-17 1990-09-21 Videocolor Focusing grid for online electron canon for colored television tube and online electron canon using such a grid
US5291093A (en) * 1991-02-12 1994-03-01 Samsung Electron Devices Co., Ltd. Inline type electron gun for color cathode ray tubes

Also Published As

Publication number Publication date
JPS5736707B2 (en) 1982-08-05

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