JPS6241374B2 - - Google Patents

Info

Publication number
JPS6241374B2
JPS6241374B2 JP6897379A JP6897379A JPS6241374B2 JP S6241374 B2 JPS6241374 B2 JP S6241374B2 JP 6897379 A JP6897379 A JP 6897379A JP 6897379 A JP6897379 A JP 6897379A JP S6241374 B2 JPS6241374 B2 JP S6241374B2
Authority
JP
Japan
Prior art keywords
yoke
permanent magnet
tube
electron gun
focusing
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.)
Expired
Application number
JP6897379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55161338A (en
Inventor
Isao Yoshimi
Masanobu Takada
Hiroshi Oki
Kyohei Fukuda
Soichi Sakurai
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 JP6897379A priority Critical patent/JPS55161338A/ja
Publication of JPS55161338A publication Critical patent/JPS55161338A/ja
Publication of JPS6241374B2 publication Critical patent/JPS6241374B2/ja
Granted 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/66—Magnetic lenses using electromagnetic means only

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
JP6897379A 1979-06-04 1979-06-04 Electromagnetic focussing type cathode-ray tube Granted JPS55161338A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6897379A JPS55161338A (en) 1979-06-04 1979-06-04 Electromagnetic focussing type cathode-ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6897379A JPS55161338A (en) 1979-06-04 1979-06-04 Electromagnetic focussing type cathode-ray tube

Publications (2)

Publication Number Publication Date
JPS55161338A JPS55161338A (en) 1980-12-15
JPS6241374B2 true JPS6241374B2 (en]) 1987-09-02

Family

ID=13389114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6897379A Granted JPS55161338A (en) 1979-06-04 1979-06-04 Electromagnetic focussing type cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS55161338A (en])

Also Published As

Publication number Publication date
JPS55161338A (en) 1980-12-15

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