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Method and apparatus for providing a real time estimate of a life time for critical components in a communication system

  • US 6,349,268 B1
  • Filed: 03/30/1999
  • Issued: 02/19/2002
  • Est. Priority Date: 03/30/1999
  • Status: Expired due to Fees
First Claim
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1. A system of estimating a life time of a device, comprising:

  • a temperature sensor, disposed proximate to the device, sensing temperatures of the device at a plurality of time intervals;

    a memory, coupled to the temperature sensor, recording the sensed temperatures; and

    a controller, coupled to the memory, to quantify a relationship between the sensed temperatures and an approximated expended life of the device over the corresponding time intervals as life time points, and to calculate accumulated life time points of the device based on an aggregation of the life time points to predict the life time of the device.

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