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Optical exploration device and vehicle comprising said device

  • US 20060072223A1
  • Filed: 04/20/2004
  • Published: 04/06/2006
  • Est. Priority Date: 05/07/2003
  • Status: Active Grant
First Claim
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1. Optical exploration device, in particular for the detection of the dead spot of a vehicle, comprising first passive thermal infrared detection means, of the thermopile type, for example, having a sensitivity range in a first wavelength interval, second detection means intended to measure direct or indirect solar energy in a second wavelength intervals, the device providing an exit signal that is a function of the measurements by the first and the second detection means, wherein the first and second wavelength interval overlap in part, and in that the first and second detection means are located and oriented relatively so as to aim successively or simultaneously at a same detection zone.

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