JPS5259527A - Color picture tube with deflection magnetic field control elements - Google Patents

Color picture tube with deflection magnetic field control elements

Info

Publication number
JPS5259527A
JPS5259527A JP13506375A JP13506375A JPS5259527A JP S5259527 A JPS5259527 A JP S5259527A JP 13506375 A JP13506375 A JP 13506375A JP 13506375 A JP13506375 A JP 13506375A JP S5259527 A JPS5259527 A JP S5259527A
Authority
JP
Japan
Prior art keywords
magnetic field
control elements
field control
picture tube
color picture
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
JP13506375A
Other languages
Japanese (ja)
Inventor
Kunio Ando
Ryoichi Hirota
Kuniharu Osakabe
Koichi Maruyama
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13506375A priority Critical patent/JPS5259527A/en
Priority to US05/760,122 priority patent/US4142131A/en
Publication of JPS5259527A publication Critical patent/JPS5259527A/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
    • H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/707—Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices

Abstract

PURPOSE:Magnetic field control elements are provided near the discharge port of the electron beam of the in-line electron gun, thereby eliminating the difference between the deflection sensitivity to the both-side beam and that to the central beam.
JP13506375A 1975-11-12 1975-11-12 Color picture tube with deflection magnetic field control elements Pending JPS5259527A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13506375A JPS5259527A (en) 1975-11-12 1975-11-12 Color picture tube with deflection magnetic field control elements
US05/760,122 US4142131A (en) 1975-11-12 1977-01-17 Color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13506375A JPS5259527A (en) 1975-11-12 1975-11-12 Color picture tube with deflection magnetic field control elements

Publications (1)

Publication Number Publication Date
JPS5259527A true JPS5259527A (en) 1977-05-17

Family

ID=15143005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13506375A Pending JPS5259527A (en) 1975-11-12 1975-11-12 Color picture tube with deflection magnetic field control elements

Country Status (1)

Country Link
JP (1) JPS5259527A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418542A1 (en) * 1978-02-27 1979-09-21 Philips Nv IMAGE TUBE USED TO REPRODUCE COLORFUL IMAGES
FR2425146A1 (en) * 1978-05-01 1979-11-30 Rca Corp COLOR IMAGE TUBE CONTAINING A PERFECTED ELECTRONIC CANNON WITH COMA CORRECTION
JPS58212040A (en) * 1982-06-03 1983-12-09 Matsushita Electronics Corp Color picture tube device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418542A1 (en) * 1978-02-27 1979-09-21 Philips Nv IMAGE TUBE USED TO REPRODUCE COLORFUL IMAGES
FR2425146A1 (en) * 1978-05-01 1979-11-30 Rca Corp COLOR IMAGE TUBE CONTAINING A PERFECTED ELECTRONIC CANNON WITH COMA CORRECTION
JPS58212040A (en) * 1982-06-03 1983-12-09 Matsushita Electronics Corp Color picture tube device
JPH0161223B2 (en) * 1982-06-03 1989-12-27 Matsushita Electronics Corp

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