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FR758270A - Improvements to photosensitive systems - Google Patents

Improvements to photosensitive systems

Info

Publication number
FR758270A
FR758270A FR758270DA FR758270A FR 758270 A FR758270 A FR 758270A FR 758270D A FR758270D A FR 758270DA FR 758270 A FR758270 A FR 758270A
Authority
FR
France
Prior art keywords
photosensitive systems
photosensitive
systems
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 FR758270A publication Critical patent/FR758270A/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
    • H01J40/14—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
FR758270D 1932-07-13 1933-07-12 Improvements to photosensitive systems Expired FR758270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US758270XA 1932-07-13 1932-07-13

Publications (1)

Publication Number Publication Date
FR758270A true FR758270A (en) 1934-01-13

Family

ID=22128225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR758270D Expired FR758270A (en) 1932-07-13 1933-07-12 Improvements to photosensitive systems

Country Status (1)

Country Link
FR (1) FR758270A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE917557C (en) * 1936-11-06 1954-09-06 Siemens Reiniger Werke Ag Arrangement for the operation of Roentgen pipes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE917557C (en) * 1936-11-06 1954-09-06 Siemens Reiniger Werke Ag Arrangement for the operation of Roentgen pipes

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