FR369762A - Device for acoustic machines - Google Patents

Device for acoustic machines

Info

Publication number
FR369762A
FR369762A FR369762DA FR369762A FR 369762 A FR369762 A FR 369762A FR 369762D A FR369762D A FR 369762DA FR 369762 A FR369762 A FR 369762A
Authority
FR
France
Prior art keywords
acoustic
machines
acoustic machines
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
Gaston Bloch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR369762A publication Critical patent/FR369762A/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR369762D 1906-09-14 1906-09-14 Device for acoustic machines Expired FR369762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR369762T 1906-09-14

Publications (1)

Publication Number Publication Date
FR369762A true FR369762A (en) 1907-01-19

Family

ID=1416738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR369762D Expired FR369762A (en) 1906-09-14 1906-09-14 Device for acoustic machines

Country Status (1)

Country Link
FR (1) FR369762A (en)

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