FR940774A - Cellule photo-sensible à cathode chaude - Google Patents

Cellule photo-sensible à cathode chaude

Info

Publication number
FR940774A
FR940774A FR940774DA FR940774A FR 940774 A FR940774 A FR 940774A FR 940774D A FR940774D A FR 940774DA FR 940774 A FR940774 A FR 940774A
Authority
FR
France
Prior art keywords
hot cathode
photosensitive cell
photosensitive
cell
cathode
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
English (en)
Inventor
Albert-Emmanuel-Jose Botet
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 filed Critical
Application granted granted Critical
Publication of FR940774A publication Critical patent/FR940774A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • 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
    • H01J31/46—Tubes in which electrical output represents both intensity and colour of image

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR940774D 1947-02-07 1947-02-07 Cellule photo-sensible à cathode chaude Expired FR940774A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR940774T 1947-02-07

Publications (1)

Publication Number Publication Date
FR940774A true FR940774A (fr) 1948-12-22

Family

ID=9464583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940774D Expired FR940774A (fr) 1947-02-07 1947-02-07 Cellule photo-sensible à cathode chaude

Country Status (1)

Country Link
FR (1) FR940774A (fr)

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