• DocumentCode
    1453742
  • Title

    A carrier telegraph system for short-haul applications

  • Author

    Hysko, J. L. ; Rea, W. T. ; Roberts, L. C.

  • Author_Institution
    Bell Telephone Laboratories, Inc., New York, N. Y.
  • Volume
    71
  • Issue
    7
  • fYear
    1952
  • fDate
    7/1/1952 12:00:00 AM
  • Firstpage
    625
  • Lastpage
    630
  • Abstract
    This compact frequency-shift carrier telegraph system provides channels in and above the voice range. The channel terminal unit incorporates arrangements for handling Teletypewriter Exchange Service supervisory signals and employs no electromagnetic relays.
  • Keywords
    Central office; Electron tubes; Low pass filters; Oscillators; Radio spectrum management; Repeaters; Switches;
  • fLanguage
    English
  • Journal_Title
    Electrical Engineering
  • Publisher
    ieee
  • ISSN
    0095-9197
  • Type

    jour

  • DOI
    10.1109/EE.1952.6437588
  • Filename
    6437588
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1453742