FR842553A - Improvements to cathode ray tubes usable in television - Google Patents

Improvements to cathode ray tubes usable in television

Info

Publication number
FR842553A
FR842553A FR842553DA FR842553A FR 842553 A FR842553 A FR 842553A FR 842553D A FR842553D A FR 842553DA FR 842553 A FR842553 A FR 842553A
Authority
FR
France
Prior art keywords
television
cathode ray
ray tubes
tubes usable
usable
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR842553A publication Critical patent/FR842553A/en
Expired 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
    • H01J31/26—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
    • H01J31/30—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 anode potential, e.g. iconoscope
FR842553D 1937-08-27 1938-08-25 Improvements to cathode ray tubes usable in television Expired FR842553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE842553X 1937-08-27

Publications (1)

Publication Number Publication Date
FR842553A true FR842553A (en) 1939-06-14

Family

ID=6770220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842553D Expired FR842553A (en) 1937-08-27 1938-08-25 Improvements to cathode ray tubes usable in television

Country Status (1)

Country Link
FR (1) FR842553A (en)

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