FR698873A - Improvements made to cinematographic devices, to be used with the family and with a device for reproducing sounds - Google Patents

Improvements made to cinematographic devices, to be used with the family and with a device for reproducing sounds

Info

Publication number
FR698873A
FR698873A FR698873DA FR698873A FR 698873 A FR698873 A FR 698873A FR 698873D A FR698873D A FR 698873DA FR 698873 A FR698873 A FR 698873A
Authority
FR
France
Prior art keywords
family
improvements made
reproducing sounds
cinematographic
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)
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.)
KUCHENMEISTER S INTERNATIONALE
Original Assignee
KUCHENMEISTER S INTERNATIONALE
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 KUCHENMEISTER S INTERNATIONALE filed Critical KUCHENMEISTER S INTERNATIONALE
Application granted granted Critical
Publication of FR698873A publication Critical patent/FR698873A/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
FR698873D 1929-07-15 1930-07-12 Improvements made to cinematographic devices, to be used with the family and with a device for reproducing sounds Expired FR698873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE698873X 1929-07-15

Publications (1)

Publication Number Publication Date
FR698873A true FR698873A (en) 1931-02-06

Family

ID=6608274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698873D Expired FR698873A (en) 1929-07-15 1930-07-12 Improvements made to cinematographic devices, to be used with the family and with a device for reproducing sounds

Country Status (1)

Country Link
FR (1) FR698873A (en)

Similar Documents

Publication Publication Date Title
FR45642E (en) Improvements in sound transmission, recording and reproduction devices
CH207880A (en) Sound reproduction device.
FR698873A (en) Improvements made to cinematographic devices, to be used with the family and with a device for reproducing sounds
FR642974A (en) Device for image reproducing devices with electrochemical transcription
FR686786A (en) Device for the reproduction of sounds comprising a membrane with a large surface area and a screen
FR709411A (en) Device for reproducing sounds with a diffuser acting in two directions
FR681819A (en) Device for sound reproduction
FR692823A (en) Sound film and device for its reproduction
FR699743A (en) Improvement in photographic sound recording devices
FR699779A (en) Improvements to sound reproduction equipment with amplifying devices
FR731201A (en) Device for recording sound on phonographic discs
FR705714A (en) Acoustic device to allow speakers, actors, singers, violinists and other musicians, etc. to control themselves
FR683270A (en) Mute device for phonographs, gramophones and similar devices
FR720933A (en) Improvements to films and cinematographic devices with talking reproductions
FR716439A (en) Sound recording device
FR38818E (en) Sound film and device for its reproduction
FR695041A (en) Device for synchronizing the projection apparatus and the phonograph, with a view to the use of sound films
FR700069A (en) Device for sound reproduction
FR834676A (en) Advanced sound player device for cinematographic devices
FR704256A (en) Talking sound device synchronized with the cinematographic device
FR694866A (en) Device for sound and speaking cinematography
CA293724A (en) Sound reproducing device
CA291941A (en) Sound reproducing device
FR701985A (en) Device allowing the use of sound films on conventional projection devices
CA287183A (en) Photographic sound-recording device