FR821906A - Method and apparatus for reproducing sound recordings on films - Google Patents

Method and apparatus for reproducing sound recordings on films

Info

Publication number
FR821906A
FR821906A FR821906DA FR821906A FR 821906 A FR821906 A FR 821906A FR 821906D A FR821906D A FR 821906DA FR 821906 A FR821906 A FR 821906A
Authority
FR
France
Prior art keywords
films
reproducing sound
sound recordings
recordings
reproducing
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR821906A publication Critical patent/FR821906A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
FR821906D 1936-06-04 1937-05-15 Method and apparatus for reproducing sound recordings on films Expired FR821906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US821906XA 1936-06-04 1936-06-04

Publications (1)

Publication Number Publication Date
FR821906A true FR821906A (en) 1937-12-16

Family

ID=22169613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821906D Expired FR821906A (en) 1936-06-04 1937-05-15 Method and apparatus for reproducing sound recordings on films

Country Status (1)

Country Link
FR (1) FR821906A (en)

Similar Documents

Publication Publication Date Title
FR805434A (en) Process for recording and reproducing sounds
FR828321A (en) Reproducing and recording head for magnetic sound recording apparatus
FR821906A (en) Method and apparatus for reproducing sound recordings on films
FR642373A (en) Method and devices for making and reproducing sound films
FR783778A (en) Method and device for reproducing sound recordings on films
FR830377A (en) Method and device for reproducing sound recordings or images
FR708232A (en) Method and apparatus for reproducing photographic sound recordings
FR806569A (en) Method and apparatus for recording and reproducing sound
FR768949A (en) Method and apparatus for recording sound
FR801698A (en) Method and device for recording and reproducing sound vibrations using the magnetization process
FR788709A (en) Method and apparatus for recording and reproducing visual and sound-visual films
FR827620A (en) Method and apparatus for recording sound on film
FR754657A (en) Apparatus for recording and reproducing sound
FR710517A (en) Method and apparatus for phonographic recording on tapes or films
FR829883A (en) Recording or reproducing apparatus for sound cinematographic films or for purely sound films
FR760637A (en) Method and device for recording and reproducing sound films
FR760636A (en) Method and device for recording and reproducing sound films
FR41990E (en) Method and apparatus for reproducing sound
FR800192A (en) Apparatus and method for reproducing sound recordings on phonogram carriers in the form of films
FR821987A (en) Device for recording and reproducing sound films
FR795152A (en) Improvements in methods and apparatus for recording and reproducing sound films
FR863020A (en) Method and apparatus for recording sound films
FR865089A (en) Audio recording and reproducing apparatus for teaching
FR777760A (en) Method and device for reproducing or taking photographic sound recordings arranged in a spiral
FR782661A (en) Method and apparatus for recording and reproducing pulses