FR740740A - Phonographic recording and reproduction process - Google Patents

Phonographic recording and reproduction process

Info

Publication number
FR740740A
FR740740A FR740740DA FR740740A FR 740740 A FR740740 A FR 740740A FR 740740D A FR740740D A FR 740740DA FR 740740 A FR740740 A FR 740740A
Authority
FR
France
Prior art keywords
reproduction process
phonographic recording
phonographic
recording
reproduction
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
Alfred Blanc
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 FR740740A publication Critical patent/FR740740A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
FR740740D 1931-10-30 1931-10-30 Phonographic recording and reproduction process Expired FR740740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR740740T 1931-10-30

Publications (1)

Publication Number Publication Date
FR740740A true FR740740A (en) 1933-01-31

Family

ID=9135837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740740D Expired FR740740A (en) 1931-10-30 1931-10-30 Phonographic recording and reproduction process

Country Status (1)

Country Link
FR (1) FR740740A (en)

Similar Documents

Publication Publication Date Title
FR805434A (en) Process for recording and reproducing sounds
FR740740A (en) Phonographic recording and reproduction process
FR736849A (en) Process of reproducing originals in communicative shimmering ink
FR732823A (en) Exploration and reproduction process for printed texts
FR721148A (en) Sound recording process
FR734376A (en) Phonographic recording process
FR731840A (en) Recording process for sound films
FR733745A (en) Method of recording and reproducing sounds
FR689479A (en) Process for recording and reproducing sound films and sound and sight films
FR712853A (en) Method of recording and reproducing sounds
FR668725A (en) Method of recording and reproducing sounds
FR689850A (en) Method of recording and reproducing sounds
FR738548A (en) Recording process for sound films
FR751470A (en) Sound recording process
FR773532A (en) Method of recording and reproducing electrical pulses
FR671097A (en) Recording process for talking and sound films
FR793877A (en) Sound recording and reproducing apparatus
FR710517A (en) Method and apparatus for phonographic recording on tapes or films
FR720322A (en) Recording method for talking cinema and similar devices
FR746510A (en) Sound photographic recording process
FR689879A (en) Multiple and adjustable sound recording and reproduction method
FR41824E (en) Method of recording and reproducing sounds
FR695071A (en) Sound film and its recording process
CA309870A (en) Sound recording and reproducing apparatus
FR699067A (en) Method and device for reproducing writing and illustration