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System and method for identifying unsafe temperature conditions

  • US 6,700,497 B2
  • Filed: 05/17/2002
  • Issued: 03/02/2004
  • Est. Priority Date: 10/30/1997
  • Status: Expired due to Fees
First Claim
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1. A temperature warning system, for use with safety apparel including a face mask, wherein the face mask provides a field of view and partitions an interior space from an ambient environment, the temperature warning system comprising:

  • a temperature sensor exposed to the ambient environment;

    a temperature indicator disposed within the field of view; and

    a control unit in communication with the temperature indicator and the temperature sensor; and

    a single screw attachment mechanism that removably couples the temperature indicator with the face mask and fixes the temperature indicator within a substantially central portion of the field of view, wherein the control unit causes the temperature indicator to provide visual signals indicative of temperatures detected by the temperature sensor.

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