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Dual pyroelectric vidicon infrared camera

  • US 4,164,753 A
  • Filed: 07/06/1978
  • Issued: 08/14/1979
  • Est. Priority Date: 07/06/1978
  • Status: Expired due to Term
First Claim
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1. In a dual pyroelectric vidicon infrared camera, the combination comprising:

  • (a) first and second pyroelectric vidicons,(b) means for receiving and alternately transmitting, infrared energy radiated from an object of interest to the target of said first vidicon and the target of said second vidicon,(c) circuit means connected to the output of said first and second vidicons for alternately inverting and summing the outputs of said vidicons,(d) whereby the sensitivity and the signal to noise ratio of said infrared camera is increased.

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