E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 15/16 (2006.01) H02H 7/085 (2006.01) E05F 15/00 (2006.01) H02H 3/00 (2006.01) H02H 7/093 (2006.01)
Patent
CA 2444495
A movable barrier operator (11) receives movement sensing signals from a sensor (13) and calculates corresponding speed of movement of a movable barrier. Such speed measurements lead to development of a median speed value over a monitoring window. The median speed value is used in a subsequent monitoring window to facilitate determining when speed of movement for the movable barrier has slowed in a way that likely corresponds to the movable barrier having encountered an obstacle.
La présente invention concerne un manipulateur de barrière mobile (11) recevant d'un capteur (13) des signaux de détection de mouvement et calculant la vitesse de déplacement correspondante d'une barrière mobile. Ces mesures de vitesse permettent d'établir une vitesse médiane dans les limites d'un créneau de surveillance. Cette vitesse médiane appliquée à un créneau de surveillance suivant permettra de déterminer plus facilement le point dans le temps où la vitesse du déplacement de la barrière mobile a baissé d'une façon susceptible de correspondre à la rencontre d'un obstacle par la barrière mobile.
Crimmins Terence E.
Study Robert S.
Macrae & Co.
The Chamberlain Group Inc.
LandOfFree
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