Patent ID: 7950499
Filing Date: 2011-05-31
Classification: B66B

Abstract:
1. A control apparatus for an elevator comprising: a support device mounted on a car and including a rail holding member which is displaceable with respect to the car, the car moving up and down in a hoistway, and guided by a guide rail located in the hoistway, wherein the rail holding member includes a plurality of guide rollers; a reference position detection device, mounted on the rail holding member, for detecting an object fixedly located in the hoistway, when the car is located at a reference position within the hoistway; a position detection device, mounted on the rail holding member, for detecting position of the car in the hoistway, the position detection device including a plurality of continuous position detection parts, each continuous position detection part respectively detecting the position of the car, continuously, based on rotation of the guide rollers; and a control unit that controls operation of the elevator apparatus based on information received from the reference position detection device and the position detection device, wherein the control unit