FR667963A - Improvements to photoelectric cells - Google Patents

Improvements to photoelectric cells

Info

Publication number
FR667963A
FR667963A FR667963DA FR667963A FR 667963 A FR667963 A FR 667963A FR 667963D A FR667963D A FR 667963DA FR 667963 A FR667963 A FR 667963A
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
French (fr)
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 FR667963A publication Critical patent/FR667963A/en
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
    • H01J40/16—Photoelectric discharge tubes not involving the ionisation of a gas having photo- emissive cathode, e.g. alkaline photoelectric cell
FR667963D 1928-01-26 1929-01-24 Improvements to photoelectric cells Expired FR667963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB667963X 1928-01-26

Publications (1)

Publication Number Publication Date
FR667963A true FR667963A (en) 1929-10-25

Family

ID=10491494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR667963D Expired FR667963A (en) 1928-01-26 1929-01-24 Improvements to photoelectric cells

Country Status (1)

Country Link
FR (1) FR667963A (en)

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