Device For Improved Response When Measuring Vibration Frequency Of A Vibrating Object

  • Published: Aug 20, 2009
  • Earliest Priority: Feb 13 2008
  • Family: 8
  • Cited Works: 0
  • Cited by: 1
  • Cites: 4
  • Additional Info: Full text
Abstract

A device for measuring a vibration frequency of a mechanically vibrating string (11) or rod (41), comprising a microwave transmitter (14) for directing microwaves towards the vibrating string and a microwave receiver (17) for receiving the microwaves amplitude modulated by the frequency of mechanical vibration. A member (18) is arranged close to a vibration maximum of the vibrating string. The member is arranged on one side of the vibrating object and the microwave receiver is arranged on the other side thereof. The device is used for measuring temperature, pressure, torque, force or identity.


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Document History
  • Publication: Aug 20, 2009
  • Application: Dec 3, 2008
    WO SE 2008000679 W
  • Priority: Feb 13, 2008
    SE SE 0800317 A

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