JPS57202044A - Electromagnetic focusing type cathode-ray tube - Google Patents

Electromagnetic focusing type cathode-ray tube

Info

Publication number
JPS57202044A
JPS57202044A JP8693781A JP8693781A JPS57202044A JP S57202044 A JPS57202044 A JP S57202044A JP 8693781 A JP8693781 A JP 8693781A JP 8693781 A JP8693781 A JP 8693781A JP S57202044 A JPS57202044 A JP S57202044A
Authority
JP
Japan
Prior art keywords
yoke
ray tube
shape
electrode
gap
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
JP8693781A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0353735B2 (enrdf_load_stackoverflow
Inventor
Soichi Sakurai
Kyohei Fukuda
Kuniharu Osakabe
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 JP8693781A priority Critical patent/JPS57202044A/ja
Priority to US06/329,045 priority patent/US4460844A/en
Priority to DE19813149437 priority patent/DE3149437A1/de
Publication of JPS57202044A publication Critical patent/JPS57202044A/ja
Publication of JPH0353735B2 publication Critical patent/JPH0353735B2/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
    • H01J29/68—Magnetic lenses using permanent magnets only
JP8693781A 1980-12-15 1981-06-08 Electromagnetic focusing type cathode-ray tube Granted JPS57202044A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8693781A JPS57202044A (en) 1981-06-08 1981-06-08 Electromagnetic focusing type cathode-ray tube
US06/329,045 US4460844A (en) 1980-12-15 1981-12-09 Magnetic focusing, three in-line gun type color picture tube
DE19813149437 DE3149437A1 (de) 1980-12-15 1981-12-14 Dreistrahl-inlinie-farbfernsehroehre mit magnetischer fokussierung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8693781A JPS57202044A (en) 1981-06-08 1981-06-08 Electromagnetic focusing type cathode-ray tube

Publications (2)

Publication Number Publication Date
JPS57202044A true JPS57202044A (en) 1982-12-10
JPH0353735B2 JPH0353735B2 (enrdf_load_stackoverflow) 1991-08-16

Family

ID=13900778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8693781A Granted JPS57202044A (en) 1980-12-15 1981-06-08 Electromagnetic focusing type cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS57202044A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0353735B2 (enrdf_load_stackoverflow) 1991-08-16

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