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Device for the transmission of measured values

  • US 4,312,001 A
  • Filed: 12/04/1979
  • Issued: 01/19/1982
  • Est. Priority Date: 12/15/1978
  • Status: Expired due to Term
First Claim
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1. A device for the transmission of a measured value from a movable object to an object fixed relative thereto, particularly from a vehicle wheel to the chassis of a motor vehicle, comprising a transmitting stage which transmits a frequency signal and contains an oscillatory circuit, a receiving stage which contains an oscillatory circuit, and a coupling circuit provided on the movable object by way of which circuit a frequency signal can be fed to the receiving stage, characterized in that the oscillatory circuit for the transmitting and receiving stages comprises a single oscillatory circuit common to both stages, means for alternately switching the transmitting stage and the receiving stage to the operative position, said means comprising switches controlled by a pulse generator, which switches switch during a specific first period the transmitting stage to the operative position, and during a specific second period, which follows the first period, switch the receiving stage to the operative position, and means are provided which damp the oscillatory circuit before the receiving stage is switched to the operative position.

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