DE179193C - - Google Patents

Info

Publication number
DE179193C
DE179193C DENDAT179193D DE179193DA DE179193C DE 179193 C DE179193 C DE 179193C DE NDAT179193 D DENDAT179193 D DE NDAT179193D DE 179193D A DE179193D A DE 179193DA DE 179193 C DE179193 C DE 179193C
Authority
DE
Germany
Prior art keywords
membrane
microphone
carbon
hold
bends
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.)
Active
Application number
DENDAT179193D
Other languages
German (de)
English (en)
Publication of DE179193C publication Critical patent/DE179193C/de
Active 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
    • 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DENDAT179193D Active DE179193C (enExample)

Publications (1)

Publication Number Publication Date
DE179193C true DE179193C (enExample)

Family

ID=443529

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT179193D Active DE179193C (enExample)

Country Status (1)

Country Link
DE (1) DE179193C (enExample)

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