FR829987A - High power microphone - Google Patents

High power microphone

Info

Publication number
FR829987A
FR829987A FR829987DA FR829987A FR 829987 A FR829987 A FR 829987A FR 829987D A FR829987D A FR 829987DA FR 829987 A FR829987 A FR 829987A
Authority
FR
France
Prior art keywords
high power
power microphone
microphone
power
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
Roger Marie
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 FR829987A publication Critical patent/FR829987A/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
    • H04R21/00—Variable-resistance transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR829987D 1937-03-15 1937-03-15 High power microphone Expired FR829987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR829987T 1937-03-15

Publications (1)

Publication Number Publication Date
FR829987A true FR829987A (en) 1938-07-18

Family

ID=9284616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR829987D Expired FR829987A (en) 1937-03-15 1937-03-15 High power microphone

Country Status (1)

Country Link
FR (1) FR829987A (en)

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