Passive sensors and control algorithms for faucets and...

E - Fixed Constructions – 03 – C

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E03C 1/05 (2006.01) E03D 5/10 (2006.01)

Patent

CA 2548044

An optical system includes one or several passive optical detectors sensitive to ambient (room) light for controlling, for example, the operation of automatic faucets (9, 9A,10, 10A, 1 OB, 1 OC) or automatic bathroom flushers (100, 100A). The passive optical sensors provide signals to flow controllers, including control electronics (250) and flow valves (38, 140) and require only very small amounts of electrical power for sensing users of bathroom facilities, and thus enable battery operation for many years. To control the operation of automatic faucets or automatic bathroom flushers based on ambient light, the controller executes novel algorithms (300, 600, 900 or 1300).

La présente invention concerne un système optique comprenant un ou plusieurs capteurs optiques passifs sensibles à la lumière ambiante (de la pièce) pour commander, par exemple, le fonctionnement de robinets automatiques (9, 9A,10, 10A, 10B, 10C) ou de dispositifs de nettoyage sanitaires automatiques (100, 100A). Les capteurs optiques passifs fournissent des signaux à des dispositifs de commande de flux comprenant un système électronique de commande (250) et des vannes (38, 140), et ne requiert que de très petites quantités d'énergie électrique pour détecter des utilisateurs d'équipements sanitaires, ce qui permet aux batteries de fonctionner pendant plusieurs années. Afin de commander le fonctionnement de robinets automatiques ou de dispositifs de nettoyage sanitaires automatiques en se basant sur la lumière ambiante, le dispositif de commande exécute de nouveaux algorithmes (300, 600, 900 ou 1300).

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