FR568738A - Dispositif émetteur de lumière - Google Patents

Dispositif émetteur de lumière

Info

Publication number
FR568738A
FR568738A FR568738DA FR568738A FR 568738 A FR568738 A FR 568738A FR 568738D A FR568738D A FR 568738DA FR 568738 A FR568738 A FR 568738A
Authority
FR
France
Prior art keywords
light emitting
emitting device
light
emitting
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
Lee De Forest
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 FR568738A publication Critical patent/FR568738A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR568738D 1923-03-17 1923-07-17 Dispositif émetteur de lumière Expired FR568738A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US568738XA 1923-03-17 1923-03-17

Publications (1)

Publication Number Publication Date
FR568738A true FR568738A (fr) 1924-03-31

Family

ID=22007087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR568738D Expired FR568738A (fr) 1923-03-17 1923-07-17 Dispositif émetteur de lumière

Country Status (1)

Country Link
FR (1) FR568738A (fr)

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