G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 11/14 (2006.01) B05B 15/00 (2006.01) B43K 8/22 (2006.01)
Patent
CA 2584659
An optical proximity sensor (5) adapted to be mounted in a liquid-jet instrument. The sensor comprises: a printed circuit (12) on which light- emitting and light-receiving elements (14, 15) are positioned to make it possible to evaluate the distance between them and a given surface; an intermediate part (16) in which the light-emitting and the light-receiving elements (14, 15) are received; and protective means (17) that cover the intermediate part. The printed circuit (12) and the intermediate part (16) are provided with through holes (18, 19) which are mutually superposed to form a passageway serving to enable the liquid to be sprayed from a liquid spray head.
L'invention concerne un capteur (5) de proximité optique destiné à être monté sur un instrument à jet de liquide. Le capteur comprend: un circuit imprimé (12) sur lequel sont placés des éléments (14, 15) d'émission et de réception de lumière permettant d'évaluer la distance entre ceux-ci et une surface donnée; une partie intermédiaire (16) destinée à recevoir lesdits éléments (14, 15); et des moyens (17) de protection recouvrant la partie intermédiaire. Le circuit imprimé (12) et la partie intermédiaire (16) sont pourvus de trous (18, 19) traversants, superposés de manière à former un passage permettant de pulvériser le liquide à partir d'une tête de pulvérisation de liquide.
Bich Xavier
Rath Kurt
Rosenzweig Alain
Robic
Societe Bic
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