FR987308A - Perfectionnements aux cellules photo-électriques - Google Patents

Perfectionnements aux cellules photo-électriques

Info

Publication number
FR987308A
FR987308A FR987308DA FR987308A FR 987308 A FR987308 A FR 987308A FR 987308D A FR987308D A FR 987308DA FR 987308 A FR987308 A FR 987308A
Authority
FR
France
Prior art keywords
photoelectric cells
photoelectric
cells
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR987308A publication Critical patent/FR987308A/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
FR987308D 1948-06-28 1949-05-25 Perfectionnements aux cellules photo-électriques Expired FR987308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB987308X 1948-06-28

Publications (1)

Publication Number Publication Date
FR987308A true FR987308A (fr) 1951-08-13

Family

ID=10845378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987308D Expired FR987308A (fr) 1948-06-28 1949-05-25 Perfectionnements aux cellules photo-électriques

Country Status (1)

Country Link
FR (1) FR987308A (fr)

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