Elevator control

Details Elevator control Elevator control

B - Operations, Transporting

66

B

364/1, 364/17, 3

B66B 3/02 (2006.01) B66B 1/50 (2006.01)

Patent

CA 1288879

ELEVATOR CONTROL ABSTRACT OF THE DISCLOSURE Elevator control apparatus for monitoring the floor position of a car utilizing a switch on the car to sense floor indicator cams each spaced along the hoistway in regular spatial relation to an asso- ciated floor. The control apparatus includes means to register signals from the floor switch while knowing the simultaneous direction of car travel to thereby enable it to distinguish ascent to a higher floor and descent to a lower floor. The control apparatus also includes means to disregard false signals from the floor switch resulting from car bounce and mid-floor reversals of car direction.

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