FR396407A - Microphone - Google Patents

Microphone

Info

Publication number
FR396407A
FR396407A FR396407DA FR396407A FR 396407 A FR396407 A FR 396407A FR 396407D A FR396407D A FR 396407DA FR 396407 A FR396407 A FR 396407A
Authority
FR
France
Prior art keywords
microphone
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)
Inventor
Rene Darmezin
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.)
RENE DARMEZIN
Original Assignee
RENE DARMEZIN
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 RENE DARMEZIN filed Critical RENE DARMEZIN
Application granted granted Critical
Publication of FR396407A publication Critical patent/FR396407A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR396407D 1908-01-25 1908-01-25 Microphone Expired FR396407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR396407T 1908-01-25

Publications (1)

Publication Number Publication Date
FR396407A true FR396407A (fr) 1909-04-09

Family

ID=1441539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR396407D Expired FR396407A (fr) 1908-01-25 1908-01-25 Microphone

Country Status (1)

Country Link
FR (1) FR396407A (fr)

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