FR726486A - Procédé de fabrication de films sonores - Google Patents

Procédé de fabrication de films sonores

Info

Publication number
FR726486A
FR726486A FR726486DA FR726486A FR 726486 A FR726486 A FR 726486A FR 726486D A FR726486D A FR 726486DA FR 726486 A FR726486 A FR 726486A
Authority
FR
France
Prior art keywords
manufacturing process
sound films
films
sound
manufacturing
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)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR726486A publication Critical patent/FR726486A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/12—Cinematrographic processes of taking pictures or printing
    • G03C5/14—Cinematrographic processes of taking pictures or printing combined with sound-recording

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR726486D 1930-12-19 1931-11-17 Procédé de fabrication de films sonores Expired FR726486A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE726486X 1930-12-19

Publications (1)

Publication Number Publication Date
FR726486A true FR726486A (fr) 1932-05-30

Family

ID=6635235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726486D Expired FR726486A (fr) 1930-12-19 1931-11-17 Procédé de fabrication de films sonores

Country Status (1)

Country Link
FR (1) FR726486A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767638C (de) * 1939-05-07 1953-02-02 Universum Film Ag Verfahren zur Beseitigung der Zuschuettung der Taeler bei photographischen Tonaufzeichnungen in Zackenschrift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767638C (de) * 1939-05-07 1953-02-02 Universum Film Ag Verfahren zur Beseitigung der Zuschuettung der Taeler bei photographischen Tonaufzeichnungen in Zackenschrift

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