FR811452A - Mécanisme pour dérouler et enrouler des films - Google Patents

Mécanisme pour dérouler et enrouler des films

Info

Publication number
FR811452A
FR811452A FR811452DA FR811452A FR 811452 A FR811452 A FR 811452A FR 811452D A FR811452D A FR 811452DA FR 811452 A FR811452 A FR 811452A
Authority
FR
France
Prior art keywords
unwinding
rewinding
films
rewinding films
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)
Inventor
Hendrik Van Der Schalie
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 filed Critical
Application granted granted Critical
Publication of FR811452A publication Critical patent/FR811452A/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
    • 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)
  • Unwinding Webs (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
FR811452D 1936-03-10 1936-09-07 Mécanisme pour dérouler et enrouler des films Expired FR811452A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL470672X 1936-03-10

Publications (1)

Publication Number Publication Date
FR811452A true FR811452A (fr) 1937-04-15

Family

ID=19786463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811452D Expired FR811452A (fr) 1936-03-10 1936-09-07 Mécanisme pour dérouler et enrouler des films

Country Status (3)

Country Link
US (1) US2177505A (fr)
FR (1) FR811452A (fr)
GB (1) GB470672A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631035A (en) * 1949-12-14 1953-03-10 Television Associates Inc Compression type endless film reel

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661210A (en) * 1950-07-31 1953-12-01 Robert S Yeats Film reel for motion-picture projectors
US2962240A (en) * 1959-09-28 1960-11-29 Ibm Turntable mechanism
US3121863A (en) * 1960-05-31 1964-02-18 Ibm High speed data tape handling mechanism
US3226048A (en) * 1961-01-30 1965-12-28 Viking Of Minneapolis Inc Endless magnetic tape cartridge
US3134552A (en) * 1961-03-15 1964-05-26 Mpo Videotronics Inc Interchangeable magazine and guide means for endless film
JPS524442B2 (fr) * 1972-09-22 1977-02-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631035A (en) * 1949-12-14 1953-03-10 Television Associates Inc Compression type endless film reel

Also Published As

Publication number Publication date
US2177505A (en) 1939-10-24
GB470672A (en) 1937-08-19

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