JPS5396756A - Picture tube unit - Google Patents

Picture tube unit

Info

Publication number
JPS5396756A
JPS5396756A JP1191077A JP1191077A JPS5396756A JP S5396756 A JPS5396756 A JP S5396756A JP 1191077 A JP1191077 A JP 1191077A JP 1191077 A JP1191077 A JP 1191077A JP S5396756 A JPS5396756 A JP S5396756A
Authority
JP
Japan
Prior art keywords
picture tube
tube unit
astigmation
restraining
considerably
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
JP1191077A
Other languages
Japanese (ja)
Other versions
JPS5531581B2 (en
Inventor
Hiroto Nakamura
Ryuzo Okamoto
Nozomi Arimoto
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 JP1191077A priority Critical patent/JPS5396756A/en
Publication of JPS5396756A publication Critical patent/JPS5396756A/en
Publication of JPS5531581B2 publication Critical patent/JPS5531581B2/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
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane

Abstract

PURPOSE:To obtain a high-resolution characteristic by restraining considerably astigmation in main lenses and reducing a beam spot diameter.
JP1191077A 1977-02-04 1977-02-04 Picture tube unit Granted JPS5396756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1191077A JPS5396756A (en) 1977-02-04 1977-02-04 Picture tube unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1191077A JPS5396756A (en) 1977-02-04 1977-02-04 Picture tube unit

Publications (2)

Publication Number Publication Date
JPS5396756A true JPS5396756A (en) 1978-08-24
JPS5531581B2 JPS5531581B2 (en) 1980-08-19

Family

ID=11790862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1191077A Granted JPS5396756A (en) 1977-02-04 1977-02-04 Picture tube unit

Country Status (1)

Country Link
JP (1) JPS5396756A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5697947A (en) * 1980-01-07 1981-08-07 Nec Corp Electron gun electrode frame for cathode-ray tube
JPS5697948A (en) * 1980-01-07 1981-08-07 Nec Corp Electron gun electrode frame for cathode-ray tube

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0516022A (en) * 1991-04-15 1993-01-26 Manabu Ishihara Dressing method and device for saw blade of chain-saw

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5697947A (en) * 1980-01-07 1981-08-07 Nec Corp Electron gun electrode frame for cathode-ray tube
JPS5697948A (en) * 1980-01-07 1981-08-07 Nec Corp Electron gun electrode frame for cathode-ray tube
JPH0143423B2 (en) * 1980-01-07 1989-09-20 Nippon Electric Co
JPH0146986B2 (en) * 1980-01-07 1989-10-12 Nippon Electric Co

Also Published As

Publication number Publication date
JPS5531581B2 (en) 1980-08-19

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