FR715084A - Arc lamp for cinematographic projections and others - Google Patents

Arc lamp for cinematographic projections and others

Info

Publication number
FR715084A
FR715084A FR715084DA FR715084A FR 715084 A FR715084 A FR 715084A FR 715084D A FR715084D A FR 715084DA FR 715084 A FR715084 A FR 715084A
Authority
FR
France
Prior art keywords
arc lamp
cinematographic
projections
cinematographic projections
lamp
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR715084A publication Critical patent/FR715084A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/0081—Controlling of arc lamps
    • H05B31/0093—Controlling of arc lamps with a threaded rod
FR715084D 1930-06-07 1931-04-10 Arc lamp for cinematographic projections and others Expired FR715084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE715084X 1930-06-07

Publications (1)

Publication Number Publication Date
FR715084A true FR715084A (en) 1931-11-25

Family

ID=6626124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715084D Expired FR715084A (en) 1930-06-07 1931-04-10 Arc lamp for cinematographic projections and others

Country Status (1)

Country Link
FR (1) FR715084A (en)

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