FR1116825A - Device for concentrating the cathode beam for electron tubes intended to store information - Google Patents

Device for concentrating the cathode beam for electron tubes intended to store information

Info

Publication number
FR1116825A
FR1116825A FR1116825DA FR1116825A FR 1116825 A FR1116825 A FR 1116825A FR 1116825D A FR1116825D A FR 1116825DA FR 1116825 A FR1116825 A FR 1116825A
Authority
FR
France
Prior art keywords
concentrating
store information
electron tubes
cathode beam
tubes intended
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.)
Expired
Application number
Other languages
French (fr)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR1116825A publication Critical patent/FR1116825A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing
    • 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • 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
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
    • H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
    • H01J31/38—Tubes with photoconductive screen, e.g. vidicon
FR1116825D 1953-12-10 1954-11-27 Device for concentrating the cathode beam for electron tubes intended to store information Expired FR1116825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US767627XA 1953-12-10 1953-12-10

Publications (1)

Publication Number Publication Date
FR1116825A true FR1116825A (en) 1956-05-14

Family

ID=22134024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116825D Expired FR1116825A (en) 1953-12-10 1954-11-27 Device for concentrating the cathode beam for electron tubes intended to store information

Country Status (3)

Country Link
FR (1) FR1116825A (en)
GB (1) GB767627A (en)
NL (1) NL193075A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1292173B (en) * 1963-09-07 1969-04-10 Fernseh Gmbh Adjusting device in a deflection system for television tubes and. like

Also Published As

Publication number Publication date
GB767627A (en) 1957-02-06
NL193075A (en)

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