FR892707A - Dispositif de protection des projecteurs électriques - Google Patents

Dispositif de protection des projecteurs électriques

Info

Publication number
FR892707A
FR892707A FR892707DA FR892707A FR 892707 A FR892707 A FR 892707A FR 892707D A FR892707D A FR 892707DA FR 892707 A FR892707 A FR 892707A
Authority
FR
France
Prior art keywords
protection device
headlamp protection
electric
electric headlamp
protection
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
English (en)
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 FR892707A publication Critical patent/FR892707A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/32Details specially adapted for motion-picture projection
    • G03B21/50Control devices operated by the film strip during the run

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR892707D 1943-03-19 1943-03-19 Dispositif de protection des projecteurs électriques Expired FR892707A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR892707T 1943-03-19

Publications (1)

Publication Number Publication Date
FR892707A true FR892707A (fr) 1944-05-17

Family

ID=9389733

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892707D Expired FR892707A (fr) 1943-03-19 1943-03-19 Dispositif de protection des projecteurs électriques

Country Status (1)

Country Link
FR (1) FR892707A (fr)

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