FR764750A - Cellule photo-électrique - Google Patents

Cellule photo-électrique

Info

Publication number
FR764750A
FR764750A FR764750DA FR764750A FR 764750 A FR764750 A FR 764750A FR 764750D A FR764750D A FR 764750DA FR 764750 A FR764750 A FR 764750A
Authority
FR
France
Prior art keywords
photoelectric cell
photoelectric
cell
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR764750A publication Critical patent/FR764750A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
FR764750D 1932-12-31 1933-12-01 Cellule photo-électrique Expired FR764750A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE764750X 1932-12-31

Publications (1)

Publication Number Publication Date
FR764750A true FR764750A (fr) 1934-05-26

Family

ID=6672934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764750D Expired FR764750A (fr) 1932-12-31 1933-12-01 Cellule photo-électrique

Country Status (1)

Country Link
FR (1) FR764750A (fr)

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