FR747933A - Improvements to synchronization devices - Google Patents

Improvements to synchronization devices

Info

Publication number
FR747933A
FR747933A FR747933DA FR747933A FR 747933 A FR747933 A FR 747933A FR 747933D A FR747933D A FR 747933DA FR 747933 A FR747933 A FR 747933A
Authority
FR
France
Prior art keywords
synchronization devices
synchronization
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
Other languages
French (fr)
Inventor
Ettore De Luca
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 FR747933A publication Critical patent/FR747933A/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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR747933D 1932-11-09 1932-12-22 Improvements to synchronization devices Expired FR747933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB747933X 1932-11-09

Publications (1)

Publication Number Publication Date
FR747933A true FR747933A (en) 1933-06-26

Family

ID=10496118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747933D Expired FR747933A (en) 1932-11-09 1932-12-22 Improvements to synchronization devices

Country Status (1)

Country Link
FR (1) FR747933A (en)

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