JPS5265660A - Electron gun for color picture tube - Google Patents

Electron gun for color picture tube

Info

Publication number
JPS5265660A
JPS5265660A JP14190975A JP14190975A JPS5265660A JP S5265660 A JPS5265660 A JP S5265660A JP 14190975 A JP14190975 A JP 14190975A JP 14190975 A JP14190975 A JP 14190975A JP S5265660 A JPS5265660 A JP S5265660A
Authority
JP
Japan
Prior art keywords
electron gun
picture tube
color picture
grid electrode
elepticalness
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.)
Pending
Application number
JP14190975A
Other languages
Japanese (ja)
Inventor
Masaya Takenobu
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14190975A priority Critical patent/JPS5265660A/en
Publication of JPS5265660A publication Critical patent/JPS5265660A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: At faces where No.4 grid electrode and No.3 grid electrode are facing each other curved surfaces are formed, thereby obtaining beams that can satisfy the desired degree of beam elepticalness.
COPYRIGHT: (C)1977,JPO&Japio
JP14190975A 1975-11-27 1975-11-27 Electron gun for color picture tube Pending JPS5265660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14190975A JPS5265660A (en) 1975-11-27 1975-11-27 Electron gun for color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14190975A JPS5265660A (en) 1975-11-27 1975-11-27 Electron gun for color picture tube

Publications (1)

Publication Number Publication Date
JPS5265660A true JPS5265660A (en) 1977-05-31

Family

ID=15302970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14190975A Pending JPS5265660A (en) 1975-11-27 1975-11-27 Electron gun for color picture tube

Country Status (1)

Country Link
JP (1) JPS5265660A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559214A (en) * 1983-02-25 1985-12-17 Ciba Geigy Corporation Particulate calcium carbonate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559214A (en) * 1983-02-25 1985-12-17 Ciba Geigy Corporation Particulate calcium carbonate

Similar Documents

Publication Publication Date Title
JPS5239366A (en) Electronic gun device
JPS542653A (en) Exposing device for color picture tube
JPS52137260A (en) Color cathode ray tube unit
JPS5230277A (en) Fluorescent substance for low speed electron beam
JPS51151062A (en) Electron tube
JPS5334415A (en) Manufacture for mesh electrode
JPS52115161A (en) Electron gun for electron beam exposing device
JPS51142220A (en) Picture receiving device
JPS5317023A (en) Color picture tube
JPS5310260A (en) Brown tube
JPS5233473A (en) Color braun tube
JPS52113153A (en) Cathode ray tube electronic gun
JPS52135665A (en) Color cathode ray tube
JPS51144568A (en) Heating furnath for manufacturing a cathode ray tube
JPS51138158A (en) Electron gun for color crt
JPS5339852A (en) Color cathode ray tube device
JPS52104051A (en) Signal feedback type color cathode ray tube
JPS53120365A (en) Electron gun
JPS5243359A (en) Colour receiving tube
JPS5271972A (en) Acceleration tube
JPS52155957A (en) Cathode
JPS52120676A (en) Cathode ray tube
JPS52109878A (en) Observing method of electron beam image
JPS5224069A (en) Cathode-ray tube electron gun use cathode
JPS52127089A (en) X-ray tube