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JPS5394762A - Picture tube - Google Patents

Picture tube

Info

Publication number
JPS5394762A
JPS5394762A JP534977A JP534977A JPS5394762A JP S5394762 A JPS5394762 A JP S5394762A JP 534977 A JP534977 A JP 534977A JP 534977 A JP534977 A JP 534977A JP S5394762 A JPS5394762 A JP S5394762A
Authority
JP
Japan
Prior art keywords
picture tube
beams
refocusing
appear
electron beam
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
JP534977A
Other languages
Japanese (ja)
Other versions
JPS5528178B2 (en
Inventor
Masahiro Hagio
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP534977A priority Critical patent/JPS5394762A/en
Publication of JPS5394762A publication Critical patent/JPS5394762A/en
Publication of JPS5528178B2 publication Critical patent/JPS5528178B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To make luminous points with a little halation appear on the fluorescent screen by using the main lens system for refocusing the beams obtained by selectively focusing the electron beam, especially circumferential beams, picked out from the preceding 3-pole part.
COPYRIGHT: (C)1978,JPO&Japio
JP534977A 1977-01-19 1977-01-19 Picture tube Granted JPS5394762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP534977A JPS5394762A (en) 1977-01-19 1977-01-19 Picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP534977A JPS5394762A (en) 1977-01-19 1977-01-19 Picture tube

Publications (2)

Publication Number Publication Date
JPS5394762A true JPS5394762A (en) 1978-08-19
JPS5528178B2 JPS5528178B2 (en) 1980-07-25

Family

ID=11608712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP534977A Granted JPS5394762A (en) 1977-01-19 1977-01-19 Picture tube

Country Status (1)

Country Link
JP (1) JPS5394762A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475712A (en) * 1982-01-07 1984-10-09 Xomox Corporation Fluid valve and method of making same

Also Published As

Publication number Publication date
JPS5528178B2 (en) 1980-07-25

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