JPS547235A - High-resolution cathode-ray tube - Google Patents

High-resolution cathode-ray tube

Info

Publication number
JPS547235A
JPS547235A JP7205777A JP7205777A JPS547235A JP S547235 A JPS547235 A JP S547235A JP 7205777 A JP7205777 A JP 7205777A JP 7205777 A JP7205777 A JP 7205777A JP S547235 A JPS547235 A JP S547235A
Authority
JP
Japan
Prior art keywords
ray tube
resolution cathode
resolution
cathode
ring
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
JP7205777A
Other languages
Japanese (ja)
Inventor
Kyohei Fukuda
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 JP7205777A priority Critical patent/JPS547235A/en
Publication of JPS547235A publication Critical patent/JPS547235A/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

Abstract

PURPOSE:To obtain a high-resolution CRT by using the multi-pole electromagnetic lens composed of the ring-shaped magnet together with the focusing coil.
JP7205777A 1977-06-20 1977-06-20 High-resolution cathode-ray tube Pending JPS547235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7205777A JPS547235A (en) 1977-06-20 1977-06-20 High-resolution cathode-ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7205777A JPS547235A (en) 1977-06-20 1977-06-20 High-resolution cathode-ray tube

Publications (1)

Publication Number Publication Date
JPS547235A true JPS547235A (en) 1979-01-19

Family

ID=13478365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7205777A Pending JPS547235A (en) 1977-06-20 1977-06-20 High-resolution cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS547235A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757262A (en) * 1980-09-25 1982-04-06 Terumo Corp Structure of washing device in separately taking and dividing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757262A (en) * 1980-09-25 1982-04-06 Terumo Corp Structure of washing device in separately taking and dividing device
JPH0225154B2 (en) * 1980-09-25 1990-05-31 Terumo Corp

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