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Tire monitoring apparatus and method

  • US 5,335,540 A
  • Filed: 05/21/1993
  • Issued: 08/09/1994
  • Est. Priority Date: 02/21/1991
  • Status: Expired due to Term
First Claim
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1. A method of measuring and monitoring a plurality of remotely located devices at a central location, the method comprising the steps of:

  • (a) providing a plurality of measurement and transmission circuits, each circuit;

    (i) developing a signal in response to a respective physical quantity, property or condition;

    (ii) sampling said signal to produce an instantaneous signal value;

    (iii) assigning a first code to said instantaneous signal value;

    (iv) transmitting a transmission including the code and an identifier unique to the circuit;

    (b) receiving a received transmission from each of said measurement and transmission circuits;

    (c) extracting and storing said identifier and said code from said received transmission;

    (d) determining which identifier has been received; and

    (d) displaying a representation of said received code while providing an identification of the received code.

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