Title:
OCCUPIED AREA DETECTION SYSTEM, OCCUPIED AREA DETECTION METHOD, AND ELEVATOR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/042380
Kind Code:
A1
Abstract:
The present invention comprises: a distance sensor provided on the ceiling side in a cage, the distance sensor being capable of measuring the distance to a load in the cage; and an effective area setting unit for calculating the effective area in which a load can be loaded in a state in which there is no load in the cage. The present invention also comprises a sensor information extraction unit for extracting the attachment position coordinates of the distance sensor and calculating the data acquisition range of the distance sensor, which corresponds to the effective area, with reference to the attachment position coordinates. The present invention also comprises an occupied area detection unit for calculating, on the basis of the distance data sensed by the distance sensor and the data acquisition range, the occupied area occupied by the load within the effective area.
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Inventors:
HATORI TAKAHIRO (JP)
NAYA HIDEMITSU (JP)
NAYA HIDEMITSU (JP)
Application Number:
PCT/JP2021/034342
Publication Date:
March 23, 2023
Filing Date:
September 17, 2021
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B3/00
Foreign References:
| JP2020138853A | 2020-09-03 | |||
| JP2017026533A | 2017-02-02 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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