FR720232A - Synchronism device for sound films - Google Patents

Synchronism device for sound films

Info

Publication number
FR720232A
FR720232A FR720232DA FR720232A FR 720232 A FR720232 A FR 720232A FR 720232D A FR720232D A FR 720232DA FR 720232 A FR720232 A FR 720232A
Authority
FR
France
Prior art keywords
sound films
synchronism device
synchronism
films
sound
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
Georges-Pierre Koscher
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 FR720232A publication Critical patent/FR720232A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B31/00Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR720232D 1931-06-06 1931-06-06 Synchronism device for sound films Expired FR720232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720232T 1931-06-06

Publications (1)

Publication Number Publication Date
FR720232A true FR720232A (en) 1932-02-17

Family

ID=9092377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720232D Expired FR720232A (en) 1931-06-06 1931-06-06 Synchronism device for sound films

Country Status (1)

Country Link
FR (1) FR720232A (en)

Similar Documents

Publication Publication Date Title
FR750895A (en) Protection device for perishables
FR720232A (en) Synchronism device for sound films
FR729796A (en) Device for sealing pipes
FR43430E (en) Perfected device for permanent waves
FR749585A (en) Rescue apparatus for castaways
FR751721A (en) Device for straightening points
FR830623A (en) Projection device for narrow sound films
FR729118A (en) Perfected device for permanent waves
FR775255A (en) Submarine rescue device
FR756507A (en) Projection device for sound films
FR712794A (en) Device for presenting sound films
FR725856A (en) Apparatus for determining the density of any juices
FR734420A (en) Filtration apparatus
FR720236A (en) Graduating device for brine
FR725658A (en) Camera for taking films
FR41239E (en) Device for sound reinforcement of films afterwards
FR720920A (en) Apparatus for refloating ships
FR700106A (en) Apparatus for viewing films
FR729683A (en) Pipe cleaning device
FR41809E (en) Device for the projection of sound films
FR722073A (en) Resonator device for loudspeakers
FR718941A (en) Stereoscope for films
FR716941A (en) Apparatus for shaping surfaces
FR756665A (en) Submarine rescue device
FR726922A (en) Device for removing wrinkles