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Determining the efficiency of respirators and protective clothing, and other improvements

  • US 7,019,652 B2
  • Filed: 12/12/2000
  • Issued: 03/28/2006
  • Est. Priority Date: 12/17/1999
  • Status: Expired due to Fees
First Claim
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1. A portable respirator system having a respirator, a sensor, and a signal handler each adapted to be worn or carried by a mobile user, in which the respirator includes a mask, in which the sensor comprises an analyser capable of detecting a contaminant that has ingressed inside the mask of the respirator from an environment outside of said respirator and outputting a sensor signal indicative of the level of said contaminant to the signal handler, and in which the signal handler comprises either (i) data storage adapted to store data representative of the sensor signal or (ii) a telecommunication emitter adapted to emit a telecommunications signal indicative of the sensor signal or (iii) both (i) and (ii).

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