Title:
OPERATION PANEL FOR ELEVATOR, METHOD FOR DETECTING SENSOR ABNORMALITY, AND ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2023/175726
Kind Code:
A1
Abstract:
Provided is an operation panel for an elevator capable of detecting abnormalities of an optical sensor which identifies the operation position in a noncontact manner. Provided is an operation panel for an elevator, the operation panel comprising a display panel and an optical sensor which receives reflected light of light emitted along the display panel and comprises a reflective side wall which reflects the light emitted from the optical sensor toward the optical sensor at a position across the display panel from the optical sensor.
Inventors:
TAKAHOSHI TOMOKAZU (JP)
UMETSU KEISUKE (JP)
UMETSU KEISUKE (JP)
Application Number:
PCT/JP2022/011643
Publication Date:
September 21, 2023
Filing Date:
March 15, 2022
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B3/02
Foreign References:
| JP2006021906A | 2006-01-26 | |||
| JPS6260786A | 1987-03-17 | |||
| JP2005194052A | 2005-07-21 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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