FR1041665A - Improvements to sound reproduction systems - Google Patents

Improvements to sound reproduction systems

Info

Publication number
FR1041665A
FR1041665A FR1041665DA FR1041665A FR 1041665 A FR1041665 A FR 1041665A FR 1041665D A FR1041665D A FR 1041665DA FR 1041665 A FR1041665 A FR 1041665A
Authority
FR
France
Prior art keywords
sound reproduction
reproduction systems
systems
sound
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
Pierre-Rene-Georges Haas
Georges Guerin
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 FR1041665A publication Critical patent/FR1041665A/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
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
FR1041665D 1951-03-14 1951-03-14 Improvements to sound reproduction systems Expired FR1041665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1041665T 1951-03-14

Publications (1)

Publication Number Publication Date
FR1041665A true FR1041665A (en) 1953-10-26

Family

ID=9589624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1041665D Expired FR1041665A (en) 1951-03-14 1951-03-14 Improvements to sound reproduction systems

Country Status (1)

Country Link
FR (1) FR1041665A (en)

Similar Documents

Publication Publication Date Title
FR1059856A (en) Improvements relating to voltmetric devices
FR1056304A (en) Improvements to sound reproducing devices
FR1048542A (en) Respiratory System Improvements
FR1041665A (en) Improvements to sound reproduction systems
FR1010946A (en) Improvements to sound reproduction systems
FR1065282A (en) Improvements to drumsticks
FR1043878A (en) Improvements to sound recording devices
FR1074056A (en) Improvements made to sound reproduction systems
FR1041547A (en) Loudspeaker enhancements
FR975731A (en) Improvements to sound reproduction systems
FR1022470A (en) Improvements to sound reproduction systems
FR1022787A (en) Improvements to sound reproduction systems
FR1033682A (en) Improvements to devices for producing noises or musical sounds
FR1038177A (en) Improvements to cleaning devices
FR1034286A (en) Headquarters improvements
FR1036478A (en) Improvements to sound recording and reproducing devices
FR1046410A (en) Improvements to refrigeration devices
FR980885A (en) Improvements to sound reproduction systems
FR1036325A (en) Improvements to photocopying devices
FR1067923A (en) Improvements to curve tracing devices
FR1036152A (en) Further development of capsulators
FR1035602A (en) Improvements to acoustic systems
AU158115B2 (en) Sound Reproducing system
FR1034070A (en) Improvements to duplicating devices
FR1098010A (en) Improvements to gyroscopic devices