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Night guidance of self-propelled missiles

  • US 4,162,052 A
  • Filed: 12/15/1976
  • Issued: 07/24/1979
  • Est. Priority Date: 12/22/1975
  • Status: Expired due to Term
First Claim
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1. A thermal telescope having a display device associated therewith for the night guidance of a self-propelled missile carrying an infrared tracer towards a target, comprising first detection means sensitive to infrared energy in a first spectral range corresponding to the maximum radiation from the target and the environment thereof, second detection means sensitive to infrared energy in a second spectral range corresponding to the maximum radiation from the tracer, first circuit means connected to the output of said first detection means, second circuit means connected to the output of said second detection means and including means for deriving from the signal from said second detection means a square waveform of same duration, and gate means receiving the output of said first circuit means and having its control input connected to the output of said second circuit means and its output connected to said display device.

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