JPS573355A - Cathode-ray tube - Google Patents

Cathode-ray tube

Info

Publication number
JPS573355A
JPS573355A JP7547080A JP7547080A JPS573355A JP S573355 A JPS573355 A JP S573355A JP 7547080 A JP7547080 A JP 7547080A JP 7547080 A JP7547080 A JP 7547080A JP S573355 A JPS573355 A JP S573355A
Authority
JP
Japan
Prior art keywords
phosphor screen
electron
cathode
penetration
acceleration voltage
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
JP7547080A
Other languages
Japanese (ja)
Inventor
Kazuo Watabe
Hiroyoshi Tokizawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7547080A priority Critical patent/JPS573355A/en
Publication of JPS573355A publication Critical patent/JPS573355A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
    • H01J31/208—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using variable penetration depth of the electron beam in the luminescent layer, e.g. penetrons

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE:To perform a multifunctional display by changing the respective cathode potentials of a number of electron guns, controlling the acceleration voltage of an electron beam, and scanning a penetration-type phosphor screen by means of electrostatic deflection. CONSTITUTION:A phosphor screen 24 which is applied and formed on the inner surface of a panel 22 which forms a part of a vacuum enclosure 21 consisting of glass, etc. is of a penetration-type phosphor screen which is composed of long and short persistence phosphors. The electron gun which is opposed to this phosphor screen 24 consists of two electron guns 25a and 25b. The cathode potential of the electron guns 25a and 25b is fixed to different values. As a result, the electron beam which differs in the acceleration voltage is deflected by deflection electrodes 26 and 27 and the phosphor screen 24 is scanned.
JP7547080A 1980-06-06 1980-06-06 Cathode-ray tube Pending JPS573355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7547080A JPS573355A (en) 1980-06-06 1980-06-06 Cathode-ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7547080A JPS573355A (en) 1980-06-06 1980-06-06 Cathode-ray tube

Publications (1)

Publication Number Publication Date
JPS573355A true JPS573355A (en) 1982-01-08

Family

ID=13577222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7547080A Pending JPS573355A (en) 1980-06-06 1980-06-06 Cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS573355A (en)

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