FR604364A - Improvements made to talking disc machines - Google Patents

Improvements made to talking disc machines

Info

Publication number
FR604364A
FR604364A FR604364DA FR604364A FR 604364 A FR604364 A FR 604364A FR 604364D A FR604364D A FR 604364DA FR 604364 A FR604364 A FR 604364A
Authority
FR
France
Prior art keywords
talking
improvements made
disc machines
machines
disc
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
Etienne Politovszky
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 FR604364A publication Critical patent/FR604364A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR604364D 1925-08-05 1925-10-08 Improvements made to talking disc machines Expired FR604364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU604364X 1925-08-05

Publications (1)

Publication Number Publication Date
FR604364A true FR604364A (en) 1926-05-03

Family

ID=10979713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR604364D Expired FR604364A (en) 1925-08-05 1925-10-08 Improvements made to talking disc machines

Country Status (1)

Country Link
FR (1) FR604364A (en)

Similar Documents

Publication Publication Date Title
FR621324A (en) Soft track improvements
FR604364A (en) Improvements made to talking disc machines
FR615703A (en) Improvements to winding machines
FR33330E (en) Soft track improvements
FR620067A (en) Punch-cutters improvements
FR605038A (en) Headphone-selectors improvements
FR598638A (en) Improvements to talking machines
FR612127A (en) Improvements to talking machines
FR593838A (en) Eiderdown improvement
FR575290A (en) Improvements to talking machines
FR599078A (en) Reproducing machine
FR673455A (en) Improvements to talking machines
FR608748A (en) Brake improvements
FR614897A (en) Improvements to phonographs
FR591400A (en) Improvements to phonographs
FR604828A (en) Improvements to phonographs
FR603261A (en) Improvements to phonographs
FR615606A (en) Improvements to gramophones
FR647836A (en) Improvements to talking machines
FR652190A (en) Improvements to talking machines
FR646464A (en) Improvements to talking machines
FR664846A (en) Improvements to talking machines
FR657330A (en) Improvements to talking machines
FR641523A (en) Improvements to talking machines
FR640718A (en) Improvements to talking machines