FR894259A - Tape for recording and reproducing sounds and manufacturing process thereof - Google Patents

Tape for recording and reproducing sounds and manufacturing process thereof

Info

Publication number
FR894259A
FR894259A FR894259DA FR894259A FR 894259 A FR894259 A FR 894259A FR 894259D A FR894259D A FR 894259DA FR 894259 A FR894259 A FR 894259A
Authority
FR
France
Prior art keywords
tape
recording
manufacturing process
reproducing sounds
sounds
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
Andre-Firmin-Ghislai Debont-Me
Antonio Campana-Bandranas
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 FR894259A publication Critical patent/FR894259A/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
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR894259D 1942-01-12 1943-04-21 Tape for recording and reproducing sounds and manufacturing process thereof Expired FR894259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES894259X 1942-01-12

Publications (1)

Publication Number Publication Date
FR894259A true FR894259A (en) 1944-12-19

Family

ID=8265279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR894259D Expired FR894259A (en) 1942-01-12 1943-04-21 Tape for recording and reproducing sounds and manufacturing process thereof

Country Status (1)

Country Link
FR (1) FR894259A (en)

Similar Documents

Publication Publication Date Title
FR1060885A (en) Method and devices for reproducing and recording images
FR894259A (en) Tape for recording and reproducing sounds and manufacturing process thereof
FR1074871A (en) Method of improving sound recording and reproducing discs
FR1121583A (en) Magnetic sound recording and reproducing head
FR1059964A (en) Process for recording and reproducing sound on slow-speed media
FR1033078A (en) Disc for sound recording and reproduction and its manufacturing process
FR1144573A (en) Magnetic tape recording machine
FR875721A (en) Magnetic sound recording process
FR1066423A (en) Apparatus for recording and reproducing sounds
FR1090915A (en) Process for recording and reproducing sound programs
FR1094941A (en) Magnetic duplicate disc for recording and reproducing sounds
FR891566A (en) Process for the production of magnetic sound recording backing layers
FR1152405A (en) Magnetic recording process of sounds on multiple tracks
FR1154390A (en) Directory disc for magnetic tape recordings
FR874743A (en) Method of recording sounds on several reproduction paths
FR878147A (en) Magnetic sound recording process
FR1195802A (en) Manufacturing process of magnetic sound recording discs
FR1066127A (en) Manufacturing process of magnetic recording media
FR872381A (en) Process for recording sounds and making these recordings
FR903087A (en) Method of recording and reproducing sounds by discs
FR1064183A (en) Method of sound reproduction of a magnetic recording
FR1067641A (en) Method for demagnetization of magnetic sound recording tapes
FR836047A (en) Process for manufacturing phonographic recording discs and resulting discs
FR1080102A (en) Improvements in Magnetic Recording Tape and in the Process for Making the Tape
FR1036104A (en) Method of recording, copying recordings and reproducing electrical phenomena