G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/17 (2006.01) B60S 1/02 (2006.01) G01N 21/43 (2006.01) G01N 21/84 (2006.01)
Patent
CA 2227409
A compact rain sensor (10) for mounting on the inner surface (30) of a windshield (18) includes collimator lenses (64, 66) and a detachable prismatic coupler (38) to facilitate the mounting of infrared emitters (56) and detectors (58) on a circuit board (26) which is positioned parallel to the inner surface of the windshield and has signal processing circuitry (80 A-D) as well. A thin optical coupler is adhesively secured to the windshield and a sensor housing (28) is detachably secured about the outer edges of the coupler.
L'invention concerne un détecteur compact (10) de pluie, muni de lentilles de collimation (64, 66) et d'un coupleur prismatique amovible (38), destiné à être monté sur la surface intérieure (30) d'un pare-brise (18); cette disposition facilite le montage d'émetteurs (56) et de capteurs (58) de rayons infrarouge sur une plaquette de circuit (26), disposée parallèlement à la surface intérieure du pare-brise et également munie d'un circuit (80 A-D) de traitement de signaux. Un mince coupleur optique est fixé au pare-brise par adhésion; aux bords extérieurs du coupleur est fixé le boîtier amovible (28) du détecteur.
Libbey-Owens-Ford Co.
Macrae & Co.
LandOfFree
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