• DocumentCode
    1270356
  • Title

    Speed indicator and frequency meter

  • Author

    Greibach, E.H.

  • Author_Institution
    Research Department, Westinghouse Elec. & Mfg. Co., East Pittsburgh, Pa.
  • Volume
    48
  • Issue
    8
  • fYear
    1929
  • Firstpage
    633
  • Lastpage
    634
  • Abstract
    The design of a simple mechanical speed indicator, consisting of a rotating cup and a ball placed inside of the cup, is described and discussed. This speed indicator can be built to give precise indication through a range of ± 2 per cent of a given speed. The order of precision in reading is about 1/10 of 1 per cent. When driven positively by a synchronous motor, it can be used as an accurate frequency meter.
  • fLanguage
    English
  • Journal_Title
    A.I.E.E., Journal of the
  • Publisher
    ieee
  • ISSN
    0095-9804
  • Type

    jour

  • DOI
    10.1109/JAIEE.1929.6536468
  • Filename
    6536468
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1270356