FR756941A - Perfectionnements apportés aux appareils photographiques transformables en projecteurs - Google Patents

Perfectionnements apportés aux appareils photographiques transformables en projecteurs

Info

Publication number
FR756941A
FR756941A FR756941DA FR756941A FR 756941 A FR756941 A FR 756941A FR 756941D A FR756941D A FR 756941DA FR 756941 A FR756941 A FR 756941A
Authority
FR
France
Prior art keywords
projectors
convertible
cameras
cameras convertible
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.)
CAMERA PROJECTORS Ltd
Original Assignee
CAMERA PROJECTORS 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 CAMERA PROJECTORS Ltd filed Critical CAMERA PROJECTORS Ltd
Application granted granted Critical
Publication of FR756941A publication Critical patent/FR756941A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/06—Viewfinders with lenses with or without reflectors
    • 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)
FR756941D 1932-07-18 1933-06-14 Perfectionnements apportés aux appareils photographiques transformables en projecteurs Expired FR756941A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB756941X 1932-07-18

Publications (1)

Publication Number Publication Date
FR756941A true FR756941A (fr) 1933-12-18

Family

ID=10496602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR756941D Expired FR756941A (fr) 1932-07-18 1933-06-14 Perfectionnements apportés aux appareils photographiques transformables en projecteurs

Country Status (1)

Country Link
FR (1) FR756941A (fr)

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