Global Patent Index - EP 3718941 B1

EP 3718941 B1 20230906 - ELEVATOR CONTROL DEVICE, ELEVATOR, AND ELEVATOR CONTROL METHOD

Title (en)

ELEVATOR CONTROL DEVICE, ELEVATOR, AND ELEVATOR CONTROL METHOD

Title (de)

AUFZUGSTEUERUNGSVORRICHTUNG, AUFZUG UND AUFZUGSTEUERUNGSVERFAHREN

Title (fr)

DISPOSITIF DE COMMANDE D'ASCENSEUR, ASCENSEUR ET PROCÉDÉ DE COMMANDE D'ASCENSEUR

Publication

EP 3718941 B1 20230906 (EN)

Application

EP 17933672 A 20171130

Priority

JP 2017042973 W 20171130

Abstract (en)

[origin: EP3718941A1] An elevator control device having an operation control unit to control operation of an elevator in accordance with an operation mode selected by a selector switch installed at an upper part of an elevator car includes: a maintenance worker boarding/leaving judgment unit to judge whether a maintenance worker boards or leaves the elevator car on the basis of a signal from a governor encoder for detecting a travel distance of the elevator car in a hoistway; and a switch operation permission unit to permit the operation control unit to operate in an operation mode selected by the selector switch on the basis of a state where the maintenance worker boards or leaves the elevator car judged at the maintenance worker boarding/leaving judgment unit.

IPC 8 full level

B66B 5/00 (2006.01)

CPC (source: EP)

B66B 5/00 (2013.01); B66B 5/005 (2013.01); B66B 5/0081 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3718941 A1 20201007; EP 3718941 A4 20210714; EP 3718941 B1 20230906; CN 110785366 A 20200211; CN 110785366 B 20210427; JP 6776457 B2 20201028; JP WO2019106778 A1 20200402; WO 2019106778 A1 20190606

DOCDB simple family (application)

EP 17933672 A 20171130; CN 201780092475 A 20171130; JP 2017042973 W 20171130; JP 2019556473 A 20171130