JPS5678046A - Electromagnetic focussing type picture tube - Google Patents

Electromagnetic focussing type picture tube

Info

Publication number
JPS5678046A
JPS5678046A JP15439579A JP15439579A JPS5678046A JP S5678046 A JPS5678046 A JP S5678046A JP 15439579 A JP15439579 A JP 15439579A JP 15439579 A JP15439579 A JP 15439579A JP S5678046 A JPS5678046 A JP S5678046A
Authority
JP
Japan
Prior art keywords
magnetic field
focussing
field generator
neck tube
tube
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.)
Granted
Application number
JP15439579A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0145702B2 (en]
Inventor
Hiroshi Jitsukata
Kunio Ando
Toyokazu Nagano
Masanobu Takada
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 JP15439579A priority Critical patent/JPS5678046A/ja
Publication of JPS5678046A publication Critical patent/JPS5678046A/ja
Publication of JPH0145702B2 publication Critical patent/JPH0145702B2/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)
JP15439579A 1979-11-30 1979-11-30 Electromagnetic focussing type picture tube Granted JPS5678046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15439579A JPS5678046A (en) 1979-11-30 1979-11-30 Electromagnetic focussing type picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15439579A JPS5678046A (en) 1979-11-30 1979-11-30 Electromagnetic focussing type picture tube

Publications (2)

Publication Number Publication Date
JPS5678046A true JPS5678046A (en) 1981-06-26
JPH0145702B2 JPH0145702B2 (en]) 1989-10-04

Family

ID=15583196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15439579A Granted JPS5678046A (en) 1979-11-30 1979-11-30 Electromagnetic focussing type picture tube

Country Status (1)

Country Link
JP (1) JPS5678046A (en])

Also Published As

Publication number Publication date
JPH0145702B2 (en]) 1989-10-04

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