FR468664A - Microphone capsule - Google Patents

Microphone capsule

Info

Publication number
FR468664A
FR468664A FR468664DA FR468664A FR 468664 A FR468664 A FR 468664A FR 468664D A FR468664D A FR 468664DA FR 468664 A FR468664 A FR 468664A
Authority
FR
France
Prior art keywords
microphone capsule
capsule
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
French (fr)
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.)
Ch Milde Fils & Cie Ste
Original Assignee
Ch Milde Fils & Cie Ste
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 Ch Milde Fils & Cie Ste filed Critical Ch Milde Fils & Cie Ste
Application granted granted Critical
Publication of FR468664A publication Critical patent/FR468664A/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
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR468664D 1913-04-29 1913-04-29 Microphone capsule Expired FR468664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR468664T 1913-04-29

Publications (1)

Publication Number Publication Date
FR468664A true FR468664A (en) 1914-07-11

Family

ID=1507193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR468664D Expired FR468664A (en) 1913-04-29 1913-04-29 Microphone capsule

Country Status (1)

Country Link
FR (1) FR468664A (en)

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