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Duplicative detector sensor

  • US 5,841,137 A
  • Filed: 07/19/1996
  • Issued: 11/24/1998
  • Est. Priority Date: 08/11/1995
  • Status: Expired due to Term
First Claim
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1. A gas sensor, comprising:

  • (a) a radiation source;

    (b) a plurality of radiation detectors spaced from said source;

    (c) a lid over said radiation detectors;

    (d) first and second passband radiation filters on said lid, said first passband radiation filter adjacent a first set of said radiation detectors and said second passband radiation filter adjacent a second set of said radiation detectors with said first and second sets having different numbers of detectors.

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