Patent ID: 6481536
Filing Date: 2002-11-19
Classification: B66B

Abstract:
A method for isolating a single car from a group of elevator cars normally controlled collectively for the benefit of a priority user, characterized in that the method includes the following steps:a) the user telephoning a supervisory computer connected to a control system of the elevator group; b) the supervisory computer identifying the user by an identification code; c) the user transmitting boarding information to the supervisory computer; d) the supervisory computer confirming the user's request by a voice message and commanding the control system to isolate a single car and dispatch the isolated car to a requested boarding level; e) identifying the car to be isolated, f) causing the isolated car to not respond to landing calls, g) recognizing the absence of any car calls entered from within the isolated car, h) dispatching, responsive to the absence of any car calls, the isolated car to the requested boarding level, and i) maintaining the landing doors of the isolated car in a closed position until after the user has arrived.