FR933406A - Improvements to the reproducing devices of phonographs - Google Patents

Improvements to the reproducing devices of phonographs

Info

Publication number
FR933406A
FR933406A FR933406DA FR933406A FR 933406 A FR933406 A FR 933406A FR 933406D A FR933406D A FR 933406DA FR 933406 A FR933406 A FR 933406A
Authority
FR
France
Prior art keywords
phonographs
reproducing devices
reproducing
devices
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
Tobe C Deutschmann
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 FR933406A publication Critical patent/FR933406A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R15/00—Magnetostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR933406D 1945-10-25 1946-09-11 Improvements to the reproducing devices of phonographs Expired FR933406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US933406XA 1945-10-25 1945-10-25

Publications (1)

Publication Number Publication Date
FR933406A true FR933406A (en) 1948-04-20

Family

ID=22238392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933406D Expired FR933406A (en) 1945-10-25 1946-09-11 Improvements to the reproducing devices of phonographs

Country Status (1)

Country Link
FR (1) FR933406A (en)

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