FR588357A - Photoelectric device - Google Patents

Photoelectric device

Info

Publication number: FR588357A
Authority: FR; France
Prior art keywords: photoelectric device; photoelectric
Prior art date: 1923-11-13
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

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.)

1923-11-13

Filing date

1924-10-31

Publication date

1925-05-06

1924-10-31 Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA

1925-05-06 Application granted granted Critical

1925-05-06 Publication of FR588357A publication Critical patent/FR588357A/en

Status Expired legal-status Critical Current

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)

1924
- 1924-10-31 FR FR588357D patent/FR588357A/en not_active Expired

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