B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
364/35
B66B 3/00 (2006.01) B66B 1/28 (2006.01) B66B 5/02 (2006.01)
Patent
CA 1164115
22 48,327 ABSTRACT OF THE DISCLOSURE An elevator system having a notching floor selector which is notched or advanced by notching signals developed as the elevator car moves through the hoistway, to cause the selector to store information relative to the actual position of the elevator car. The notching signals also actuate first and second counters, one of which operates a non-volatile memory. The memory count is compared with the count on the remaining counter, and when they are not equal a reset operation is initiated which includes resetting the notching floor selector and coun- ters to represent a predetermined terminal floor, and the generation of auxiliary notching signals, all without moving the elevator car. When the memory and counter have the same count, the auxiliary notching signals are term- inated, and the floor selector system is back in synchro- nism with the actual position of the elevator car.
378565
Ludwig Richard H.
Quan Wing C.
Oldham And Company
Westinghouse Electric Corporation
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