Elevator system

B - Operations – Transporting – 66 – B

Patent

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364/34

B66B 1/28 (2006.01) B66B 1/34 (2006.01) B66B 5/10 (2006.01) H03M 1/00 (2006.01)

Patent

CA 1188438

29 ABSTRACT OF THE DISCLOSURE A feedback controlled elevator system including a speed pattern generator for providing a speed pattern signal responsive to desired speed. A limiting signal responsive to the absolute position of the elevator car is compared with the speed pattern signal, and the lesser of these two signals is compared with a velocity signal to determine speed error.

423057

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