FR375262A - Device for flicker-free projection of moving images - Google Patents

Device for flicker-free projection of moving images

Info

Publication number
FR375262A
FR375262A FR375262DA FR375262A FR 375262 A FR375262 A FR 375262A FR 375262D A FR375262D A FR 375262DA FR 375262 A FR375262 A FR 375262A
Authority
FR
France
Prior art keywords
flicker
moving images
free projection
projection
free
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)
Inventor
Josef Von Halla
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.)
JOSEF VON HALLA
Original Assignee
JOSEF VON HALLA
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 JOSEF VON HALLA filed Critical JOSEF VON HALLA
Application granted granted Critical
Publication of FR375262A publication Critical patent/FR375262A/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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof
    • G03B1/38—Moving film strip by means which act on the film between the ends thereof embodying Geneva motion, e.g. Maltese-cross gearing
    • 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
    • G03B21/40—Eliminating or reducing effect of flicker

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR375262D 1907-02-19 1907-02-19 Device for flicker-free projection of moving images Expired FR375262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR375262T 1907-02-19

Publications (1)

Publication Number Publication Date
FR375262A true FR375262A (en) 1907-07-04

Family

ID=1421837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR375262D Expired FR375262A (en) 1907-02-19 1907-02-19 Device for flicker-free projection of moving images

Country Status (1)

Country Link
FR (1) FR375262A (en)

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