FR696667A - Portable projection device - Google Patents

Portable projection device

Info

Publication number
FR696667A
FR696667A FR696667DA FR696667A FR 696667 A FR696667 A FR 696667A FR 696667D A FR696667D A FR 696667DA FR 696667 A FR696667 A FR 696667A
Authority
FR
France
Prior art keywords
projection device
portable projection
portable
projection
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.)
CINEMATOGRAPHIQUE POUR L ENSEI
Original Assignee
CINEMATOGRAPHIQUE POUR L ENSEI
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 CINEMATOGRAPHIQUE POUR L ENSEI filed Critical CINEMATOGRAPHIQUE POUR L ENSEI
Application granted granted Critical
Publication of FR696667A publication Critical patent/FR696667A/en
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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • 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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR696667D 1930-06-05 1930-06-05 Portable projection device Expired FR696667A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR696667T 1930-06-05

Publications (1)

Publication Number Publication Date
FR696667A true FR696667A (en) 1931-01-06

Family

ID=9046732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696667D Expired FR696667A (en) 1930-06-05 1930-06-05 Portable projection device

Country Status (1)

Country Link
FR (1) FR696667A (en)

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