JPS5757456A - Distortion corrector of flat picture tube - Google Patents

Distortion corrector of flat picture tube

Info

Publication number
JPS5757456A
JPS5757456A JP13267580A JP13267580A JPS5757456A JP S5757456 A JPS5757456 A JP S5757456A JP 13267580 A JP13267580 A JP 13267580A JP 13267580 A JP13267580 A JP 13267580A JP S5757456 A JPS5757456 A JP S5757456A
Authority
JP
Japan
Prior art keywords
screen
parallel
distortion
arched
produce
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
JP13267580A
Other languages
Japanese (ja)
Inventor
Koki Sato
Akira Yamakoshi
Masato Hatanaka
Sakae Tanaka
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP13267580A priority Critical patent/JPS5757456A/en
Publication of JPS5757456A publication Critical patent/JPS5757456A/en
Pending legal-status Critical Current

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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines

Abstract

PURPOSE:To correct an arched raster distortion by arranging a dipole magnet in parallel with the bottom of a screen to produce the correction field which is in parallel with the screen while crosses perpendicularly with the screen and has the strength gradually increases toward both sides of the screen. CONSTITUTION:A fluorescent face 4 is formed at the front face side of a tube 3 of a flat tube while an electron beam 5 is projected in parallel with said face 4 from an electron gun. Said beam 5 is electromagnetically deflected in the horizontal direction by means of horizontal deflection coils 6a, 6b while electrostatically deflected in the vertical direction by means of vertical deflection electrodes 7a, 7b. A rod shapred dipole magnet 8 is arranged in the proximity of said coil 6a in parallel with the bottom 1a of the screen 1 to produce the correction field 9 having the parallel component with the screen reducing toward both sides of the screen 1. Consequently the arched distortion of the raster can be corrected.
JP13267580A 1980-09-24 1980-09-24 Distortion corrector of flat picture tube Pending JPS5757456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13267580A JPS5757456A (en) 1980-09-24 1980-09-24 Distortion corrector of flat picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13267580A JPS5757456A (en) 1980-09-24 1980-09-24 Distortion corrector of flat picture tube

Publications (1)

Publication Number Publication Date
JPS5757456A true JPS5757456A (en) 1982-04-06

Family

ID=15086867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13267580A Pending JPS5757456A (en) 1980-09-24 1980-09-24 Distortion corrector of flat picture tube

Country Status (1)

Country Link
JP (1) JPS5757456A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127348A (en) * 1983-01-11 1984-07-23 Sony Corp Deflection device
JPS61126747A (en) * 1984-11-21 1986-06-14 Sony Corp Deflector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127348A (en) * 1983-01-11 1984-07-23 Sony Corp Deflection device
JPS61126747A (en) * 1984-11-21 1986-06-14 Sony Corp Deflector

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