FR728558A - Improvements to sound reproducers - Google Patents

Improvements to sound reproducers

Info

Publication number
FR728558A
FR728558A FR728558DA FR728558A FR 728558 A FR728558 A FR 728558A FR 728558D A FR728558D A FR 728558DA FR 728558 A FR728558 A FR 728558A
Authority
FR
France
Prior art keywords
sound reproducers
reproducers
sound
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
Yvan-Albert-Jean Beauviala
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 FR728558A publication Critical patent/FR728558A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR728558D 1931-09-25 1931-09-25 Improvements to sound reproducers Expired FR728558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR728558T 1931-09-25

Publications (1)

Publication Number Publication Date
FR728558A true FR728558A (en) 1932-07-07

Family

ID=9111927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728558D Expired FR728558A (en) 1931-09-25 1931-09-25 Improvements to sound reproducers

Country Status (1)

Country Link
FR (1) FR728558A (en)

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