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Patent Searching and Data


Title:
ELEVATOR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/194502
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an elevator system that allows a door to be open if a passenger car is stopped in a location where the door can be opened even if a communication error occurs between a controller and a car controller. For this purpose, provided is an elevator system having a passenger car, a controller, and a car controller, wherein the controller transmits a door opening enabling signal to the car controller in a case in which communication with the car controller is normal and the passenger car is stopped at a service floor, and the car controller turns on a door opening permission flag in a case in which the door opening enabling signal has been received from the controller while the passenger car is operating and turns off the door opening permission flag in a case in which the door opening enabling signal has not been received from the controller while the passenger car is operating.

Inventors:
SAITO YUKI (JP)
MAEHARA TOMOAKI (JP)
YAMASHITA KOICHI (JP)
TORIYABE SATORU (JP)
HATORI TAKAHIRO (JP)
TANABAYASHI HAYATE (JP)
MATSUKUMA TOSHIHARU (JP)
HOSHINO TAKAMICHI (JP)
Application Number:
PCT/JP2019/012833
Publication Date:
October 01, 2020
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B66B3/00; B66B5/02
Foreign References:
JP2016190726A2016-11-10
JP2005112524A2005-04-28
JP6471202B12019-02-13
JP2001151429A2001-06-05
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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