G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/84 (2006.01) B60S 1/08 (2006.01) B64D 15/20 (2006.01) F25D 21/02 (2006.01) G01N 21/47 (2006.01) G01N 21/55 (2006.01) G01N 21/88 (2006.01) G08B 19/02 (2006.01)
Patent
CA 2193242
A detector (15) for detecting the presence of ice, water, mist, frost or other solids or liquids on a sensing surface (14) is provided. The sensing surface (14) is provided by a medium substantially transparent to electromagnetic radiation and solids or liquids are deposited on the surface. A transmitter directs radiation onto the surface and a receiver is responsive to radiation reflected from the surface. A discriminator circuit receives an output from the receiver and provides an output indicative of whether a solid or a liquid is present on the surface.
L'invention concerne un détecteur (15) pour détecter la présence de glace, d'eau, de brouillard, de givre ou d'autres matières solides ou liquides sur une surface de détection (14). La surface de détection (14) est pourvue d'un milieu sensiblement transparent aux radiations électromagnétiques et des matières solides ou liquides se déposent sur la surface. Un émetteur dirige des radiations sur la surface et un récepteur réagit aux radiations réfléchies de la surface. Un circuit d'identification reçoit un signal de sortie du récepteur et fournit une sortie indiquant si de la matière solide ou liquide est présente sur la surface.
Noack Raymond James
Osler Hoskin & Harcourt Llp
LandOfFree
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