FR34325E - Dispositif reproducteur - Google Patents

Dispositif reproducteur

Info

Publication number
FR34325E
FR34325E FR34325DA FR34325E FR 34325 E FR34325 E FR 34325E FR 34325D A FR34325D A FR 34325DA FR 34325 E FR34325 E FR 34325E
Authority
FR
France
Prior art keywords
reproductive system
reproductive
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
English (en)
French (fr)
Inventor
Henry Hallam
Joseph-Rolland-Marie Helary
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 FR34325E publication Critical patent/FR34325E/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
FR34325D 1927-02-17 1927-10-14 Dispositif reproducteur Expired FR34325E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR629363T 1927-02-17
FR34325T 1927-10-14

Publications (1)

Publication Number Publication Date
FR34325E true FR34325E (fr) 1929-05-04

Family

ID=26182652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR34325D Expired FR34325E (fr) 1927-02-17 1927-10-14 Dispositif reproducteur

Country Status (3)

Country Link
BE (1) BE348253A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR34325E (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB298643A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
BE348253A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB298643A (en) 1929-10-03

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