FR704683A - Improvements to cameras and cinematographic projectors - Google Patents

Improvements to cameras and cinematographic projectors

Info

Publication number
FR704683A
FR704683A FR704683DA FR704683A FR 704683 A FR704683 A FR 704683A FR 704683D A FR704683D A FR 704683DA FR 704683 A FR704683 A FR 704683A
Authority
FR
France
Prior art keywords
cameras
cinematographic projectors
cinematographic
projectors
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.)
Spicers Ltd
Original Assignee
Spicers Ltd
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 Spicers Ltd filed Critical Spicers Ltd
Application granted granted Critical
Publication of FR704683A publication Critical patent/FR704683A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/14—Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
    • G02B7/16—Rotatable turrets
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR704683D 1929-12-07 1930-10-23 Improvements to cameras and cinematographic projectors Expired FR704683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB704683X 1929-12-07

Publications (1)

Publication Number Publication Date
FR704683A true FR704683A (en) 1931-05-23

Family

ID=10493955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704683D Expired FR704683A (en) 1929-12-07 1930-10-23 Improvements to cameras and cinematographic projectors

Country Status (1)

Country Link
FR (1) FR704683A (en)

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