• DocumentCode
    1081266
  • Title

    Electret transducers applied to the telephone

  • Author

    Reedyk, Cornelis W.

  • Author_Institution
    Northern Electric Company Ltd. Ottawa, Ontario, Canada
  • Volume
    19
  • Issue
    1
  • fYear
    1971
  • fDate
    3/1/1971 12:00:00 AM
  • Firstpage
    1
  • Lastpage
    5
  • Abstract
    Successful application of electrets as telephone transmitter and less successful application as receivers are discussed. Amplifier gain and maximum input noise are derived from electret performance and system requirements. Simple corona charging is sufficient to produce stable fluorocarbon electrets with a useful life from 10 to 20 years. Two design approaches to compensate slackening of the electret diaphragm due to creep are described.
  • Keywords
    Acoustic transducers; Dielectrics; Electrets; Headphones; Microphones; Solids; Telephony; Transmitters; Vibrations; Voltage;
  • fLanguage
    English
  • Journal_Title
    Audio and Electroacoustics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9278
  • Type

    jour

  • DOI
    10.1109/TAU.1971.1162167
  • Filename
    1162167
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1081266