JPS5245259A - Color picture tube device - Google Patents

Color picture tube device

Info

Publication number
JPS5245259A
JPS5245259A JP12145875A JP12145875A JPS5245259A JP S5245259 A JPS5245259 A JP S5245259A JP 12145875 A JP12145875 A JP 12145875A JP 12145875 A JP12145875 A JP 12145875A JP S5245259 A JPS5245259 A JP S5245259A
Authority
JP
Japan
Prior art keywords
picture tube
tube device
color picture
aperture
veried
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
JP12145875A
Other languages
Japanese (ja)
Other versions
JPS5518022B2 (en
Inventor
Hiroto Nakamura
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 JP12145875A priority Critical patent/JPS5245259A/en
Publication of JPS5245259A publication Critical patent/JPS5245259A/en
Publication of JPS5518022B2 publication Critical patent/JPS5518022B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: An aperture of control grid electrode is made to an elliptical shape and the plate thickness around this aperture is varied in veried in vertical axis and horizontal axis directions, whereby beam aberration in the entire screen region is improved.
COPYRIGHT: (C)1977,JPO&Japio
JP12145875A 1975-10-07 1975-10-07 Color picture tube device Granted JPS5245259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12145875A JPS5245259A (en) 1975-10-07 1975-10-07 Color picture tube device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12145875A JPS5245259A (en) 1975-10-07 1975-10-07 Color picture tube device

Publications (2)

Publication Number Publication Date
JPS5245259A true JPS5245259A (en) 1977-04-09
JPS5518022B2 JPS5518022B2 (en) 1980-05-15

Family

ID=14811621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12145875A Granted JPS5245259A (en) 1975-10-07 1975-10-07 Color picture tube device

Country Status (1)

Country Link
JP (1) JPS5245259A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119059A (en) * 1976-03-31 1977-10-06 Sony Corp Electron gun device
JPS54117677A (en) * 1978-03-06 1979-09-12 Hitachi Ltd Electron gun
US4362964A (en) * 1978-10-30 1982-12-07 Hitachi, Ltd. Color picture tube with a magnetic focusing device
JPS5868848A (en) * 1981-10-20 1983-04-23 Toshiba Corp Structure of electron gun

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119059A (en) * 1976-03-31 1977-10-06 Sony Corp Electron gun device
JPS54117677A (en) * 1978-03-06 1979-09-12 Hitachi Ltd Electron gun
US4362964A (en) * 1978-10-30 1982-12-07 Hitachi, Ltd. Color picture tube with a magnetic focusing device
JPS5868848A (en) * 1981-10-20 1983-04-23 Toshiba Corp Structure of electron gun
JPH0341936B2 (en) * 1981-10-20 1991-06-25

Also Published As

Publication number Publication date
JPS5518022B2 (en) 1980-05-15

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