FR723373A - Cellule photoélectrique - Google Patents

Cellule photoélectrique

Info

Publication number
FR723373A
FR723373A FR723373DA FR723373A FR 723373 A FR723373 A FR 723373A FR 723373D A FR723373D A FR 723373DA FR 723373 A FR723373 A FR 723373A
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 FR723373A publication Critical patent/FR723373A/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
FR723373D 1930-09-27 1931-09-25 Cellule photoélectrique Expired FR723373A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL723373X 1930-09-27

Publications (1)

Publication Number Publication Date
FR723373A true FR723373A (fr) 1932-04-07

Family

ID=19817718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR723373D Expired FR723373A (fr) 1930-09-27 1931-09-25 Cellule photoélectrique

Country Status (1)

Country Link
FR (1) FR723373A (fr)

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