FR69161E - Improvements to photoelectric cells - Google Patents

Improvements to photoelectric cells

Info

Publication number
FR69161E
FR69161E FR69161DA FR69161E FR 69161 E FR69161 E FR 69161E FR 69161D A FR69161D A FR 69161DA FR 69161 E FR69161 E FR 69161E
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)
Inventor
Emile-Alfred Pierre
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 filed Critical
Application granted granted Critical
Publication of FR69161E publication Critical patent/FR69161E/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
FR69161D 1954-12-01 1954-12-01 Improvements to photoelectric cells Expired FR69161E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69161T 1954-12-01

Publications (1)

Publication Number Publication Date
FR69161E true FR69161E (en) 1958-10-22

Family

ID=8701046

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69161D Expired FR69161E (en) 1954-12-01 1954-12-01 Improvements to photoelectric cells

Country Status (1)

Country Link
FR (1) FR69161E (en)

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