FR588357A - Photoelectric device - Google Patents

Photoelectric device

Info

Publication number
FR588357A
FR588357A FR588357DA FR588357A FR 588357 A FR588357 A FR 588357A FR 588357D A FR588357D A FR 588357DA FR 588357 A FR588357 A FR 588357A
Authority
FR
France
Prior art keywords
photoelectric device
photoelectric
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 FR588357A publication Critical patent/FR588357A/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
    • H01J40/02—Details
    • H01J40/04—Electrodes
FR588357D 1923-11-13 1924-10-31 Photoelectric device Expired FR588357A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US588357XA 1923-11-13 1923-11-13

Publications (1)

Publication Number Publication Date
FR588357A true FR588357A (en) 1925-05-06

Family

ID=22019208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR588357D Expired FR588357A (en) 1923-11-13 1924-10-31 Photoelectric device

Country Status (1)

Country Link
FR (1) FR588357A (en)

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