FR999314A - - Google Patents

Info

Publication number
FR999314A
FR999314A FR999314DA FR999314A FR 999314 A FR999314 A FR 999314A FR 999314D A FR999314D A FR 999314DA FR 999314 A FR999314 A FR 999314A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR999314A publication Critical patent/FR999314A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR999314D Expired FR999314A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR999314A true FR999314A (cg-RX-API-DMAC7.html) 1952-01-29

Family

ID=1567256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR999314D Expired FR999314A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR999314A (cg-RX-API-DMAC7.html)

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