FR682254A - Cellule photoélectrique - Google Patents

Cellule photoélectrique

Info

Publication number
FR682254A
FR682254A FR682254DA FR682254A FR 682254 A FR682254 A FR 682254A FR 682254D A FR682254D A FR 682254DA FR 682254 A FR682254 A FR 682254A
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 FR682254A publication Critical patent/FR682254A/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
FR682254D 1928-09-25 1929-09-24 Cellule photoélectrique Expired FR682254A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL682254X 1928-09-25
NL2066878X 1930-02-26

Publications (1)

Publication Number Publication Date
FR682254A true FR682254A (fr) 1930-05-26

Family

ID=26644386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682254D Expired FR682254A (fr) 1928-09-25 1929-09-24 Cellule photoélectrique

Country Status (2)

Country Link
US (1) US2066878A (fr)
FR (1) FR682254A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659682A (en) * 1948-08-05 1953-11-17 Continental Electric Company Apparatus and method for making a photoconductive element

Also Published As

Publication number Publication date
US2066878A (en) 1937-01-05

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