FR976163A - Improvements in sound recording and reproduction processes - Google Patents

Improvements in sound recording and reproduction processes

Info

Publication number
FR976163A
FR976163A FR976163DA FR976163A FR 976163 A FR976163 A FR 976163A FR 976163D A FR976163D A FR 976163DA FR 976163 A FR976163 A FR 976163A
Authority
FR
France
Prior art keywords
sound recording
reproduction processes
reproduction
processes
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
Rene Le Gourrierec
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 FR976163A publication Critical patent/FR976163A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/04—Multiple, convertible, or alternative transducing arrangements
FR976163D 1948-09-30 1948-09-30 Improvements in sound recording and reproduction processes Expired FR976163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976163T 1948-09-30

Publications (1)

Publication Number Publication Date
FR976163A true FR976163A (en) 1951-03-14

Family

ID=9518619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976163D Expired FR976163A (en) 1948-09-30 1948-09-30 Improvements in sound recording and reproduction processes

Country Status (1)

Country Link
FR (1) FR976163A (en)

Similar Documents

Publication Publication Date Title
FR1084968A (en) Improvements to sound recording and reproduction systems
FR976163A (en) Improvements in sound recording and reproduction processes
FR1050390A (en) Sound recording and reproducing apparatus
FR1000717A (en) Improvements to sound recording and reproduction machines
FR1055028A (en) Small magnetic sound recording device
FR1001737A (en) Improvement in photographic inversion processes
FR991835A (en) Improvements in the recording and reproduction of sound by magnetic means
FR1034417A (en) Improvements in magnetic wire sound recording and reproduction devices
FR948451A (en) Sound recording and reproduction device
FR1054757A (en) Improvements in methods of using magnetic phonograms
AU147898B2 (en) Improvements relating to sound recording and/or reproducing apparatus
FR1043503A (en) Sound recording or reproducing device
FR1011102A (en) Method of recording and reproducing sound
FR1064644A (en) Sound recording and reproducing apparatus
AU2303048A (en) Improvements relating to sound recording and/or reproducing apparatus
FR1006962A (en) Further development of magnetic sound recording and reproduction heads
FR996512A (en) Magnetic sound recording device
FR953333A (en) Sound recording and reproduction device
FR1039206A (en) Advanced electromagnetic sound recording and reproduction device
FR930672A (en) Improvements in sound recording and reproduction transmission devices
CH286169A (en) Magnetic sound recording device on disc.
FR989580A (en) Improvements in apparatus for magnetic recording and reproduction of sound
FR943320A (en) Improvement in magnetic sound recording and reproduction devices
AU138929B2 (en) Improvements in and relating to sound recording or/and reproducing machines
CA451761A (en) Method of recording and reproducing stereophonic sound vibrations