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Patent Searching and Data


Title:
ELEVATOR CONTROL CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2018/070006
Kind Code:
A1
Abstract:
To provide an elevator control circuit in which failure mode occurs less and which is capable of assuredly detecting a cage traveling in a state where a cage door and/or a boarding place door is open. This elevator control circuit is provided with a door-open traveling detection circuit that: has a door-open traveling detection relay that becomes non-excited in a case where a first door zone relay and/or a second door zone relay of a door zone checking circuit is not excited, in a case where a third door zone relay is excited and a cage door relay and/or a boarding place door relay of a door closure checking circuit is not excited, or in a case where a door check relay is excited; and detects, in a case where the door-open traveling detection relay has become non-excited, the cage traveling in a state where the cage door and/or the boarding place door is open.

Inventors:
OKA JUNKO (JP)
KUBOTA TAKEHIKO (JP)
Application Number:
PCT/JP2016/080318
Publication Date:
April 19, 2018
Filing Date:
October 13, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B5/02; B66B13/14
Foreign References:
JP5556134B22014-07-23
JP5169176B22013-03-27
JP5525347B22014-06-18
JP2012126558A2012-07-05
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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