BE431283A - - Google Patents

Info

Publication number
BE431283A
BE431283A BE431283DA BE431283A BE 431283 A BE431283 A BE 431283A BE 431283D A BE431283D A BE 431283DA BE 431283 A BE431283 A BE 431283A
Authority
BE
Belgium
Application number
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.)
Publication of BE431283A publication Critical patent/BE431283A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/14Throat mountings for microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00Variable-resistance transducers
    • H04R21/02Microphones
    • H04R21/021Microphones 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)
BE431283D 1937-09-03 BE431283A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US162253A US2184064A (en) 1937-09-03 1937-09-03 Transmitter cell

Publications (1)

Publication Number Publication Date
BE431283A true BE431283A (en:Method)

Family

ID=22584835

Family Applications (1)

Application Number Title Priority Date Filing Date
BE431283D BE431283A (en:Method) 1937-09-03

Country Status (2)

Country Link
US (1) US2184064A (en:Method)
BE (1) BE431283A (en:Method)

Also Published As

Publication number Publication date
US2184064A (en) 1939-12-19

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