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Camera system to evaluate the degree of wet state of a rough surface

Reference

00572-01

Patents status

French priority patent application FR0606234 filed on July 7, 2006 and entitled: “Dispositif d’évaluation de l’état de mouillage d’une surface, procédé d’évaluation et dispositif d’indication associé ”

Inventors

Majdi KHOUDEIR
Jacques BROCHARD

Description

TECHNICAL DESCRIPTION

This invention describes a device and a method to evaluate the degree of wet state of a rough surface. It includes :

  • means for polarization and emission of an incident beam,
  • camera to receive the reflected polarized beams,
  • and a means of calculation

ADVANTAGES

  • Single shot acquisition measurement recording
  • Fast and dynamic measurement (for real time application)
  • Compatible with embedded applications
  • Inexpensive
  • Easy to use
  • Good sensitivity (measurement of low wet state)

INDUSTRIAL APPLICATIONS

This innovation will be particularly useful in the automotive safety industry for controlling the wet state of the road in real time.


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