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Information Processing Apparatus

  • US 20090323277A1
  • Filed: 05/28/2009
  • Published: 12/31/2009
  • Est. Priority Date: 06/30/2008
  • Status: Active Grant
First Claim
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1. An information processing apparatus comprising:

  • a housing;

    a printed circuit board provided in the housing;

    a heating device disposed on the printed circuit board;

    a heat radiation module provided in the housing, configured to exhaust heat of the heating device to outside;

    a first temperature sensor configured to detect a temperature at a first position on the printed circuit board;

    a second temperature sensor configured to detect a temperature at a second position on the printed circuit board, which is farther from the heating device than the first position;

    a temperature difference detection module configured to detect a temperature difference which is obtained by subtracting the temperature at the second position detected by the second temperature sensor from the temperature at the first position detected by the first temperature sensor; and

    a performance determination module configured to be activated when the detected temperature difference exceeds a threshold value, to execute a monitoring process of monitoring the temperature difference between the temperature at the first position and the temperature at the second position during a predetermined period from a time point when the detected temperature difference exceeds the threshold value, and to determine, based on a result of the monitoring process, whether a performance of the heat radiation module has lowered or not.

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