FR423066A - Improvements to the mechanism for scrolling films in cinematographic devices - Google Patents

Improvements to the mechanism for scrolling films in cinematographic devices

Info

Publication number
FR423066A
FR423066A FR423066A FR423066DA FR423066A FR 423066 A FR423066 A FR 423066A FR 423066 A FR423066 A FR 423066A FR 423066D A FR423066D A FR 423066DA FR 423066 A FR423066 A FR 423066A
Authority
FR
France
Prior art keywords
scrolling
films
cinematographic
devices
cinematographic devices
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
FR423066A
Other languages
French (fr)
Inventor
Henry Hirsch
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR423066A publication Critical patent/FR423066A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR423066A 1910-05-12 1910-11-26 Improvements to the mechanism for scrolling films in cinematographic devices Expired FR423066A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE423066X 1910-05-12

Publications (1)

Publication Number Publication Date
FR423066A true FR423066A (en) 1911-04-06

Family

ID=1465952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR423066A Expired FR423066A (en) 1910-05-12 1910-11-26 Improvements to the mechanism for scrolling films in cinematographic devices

Country Status (1)

Country Link
FR (1) FR423066A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443248A (en) * 1945-07-06 1948-06-15 John J Lynch Motion picture film strip unwinding apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443248A (en) * 1945-07-06 1948-06-15 John J Lynch Motion picture film strip unwinding apparatus

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