FR985818A - Advancement mechanism for perforated sound films - Google Patents

Advancement mechanism for perforated sound films

Info

Publication number
FR985818A
FR985818A FR985818DA FR985818A FR 985818 A FR985818 A FR 985818A FR 985818D A FR985818D A FR 985818DA FR 985818 A FR985818 A FR 985818A
Authority
FR
France
Prior art keywords
advancement mechanism
perforated sound
sound films
films
perforated
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR985818A publication Critical patent/FR985818A/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
    • G03B1/02—Moving film strip by pull on end thereof
    • G03B1/04—Pull exerted by take-up spool

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR985818D 1948-05-11 1949-05-09 Advancement mechanism for perforated sound films Expired FR985818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL985818X 1948-05-11

Publications (1)

Publication Number Publication Date
FR985818A true FR985818A (en) 1951-07-24

Family

ID=19866558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985818D Expired FR985818A (en) 1948-05-11 1949-05-09 Advancement mechanism for perforated sound films

Country Status (1)

Country Link
FR (1) FR985818A (en)

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