Title:
DOOR STATE DETERMINATION DEVICE, DOOR STATE DETERMINATION SYSTEM, AND MOBILE OBJECT EQUIPPED WITH DOOR STATE DETERMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/042616
Kind Code:
A1
Abstract:
In the present invention, for an elevator, a marker having identification information corresponding to each of the elevator halls on a plurality of floors is disposed at each of the elevator halls on the plurality of floors at a position that can be visually recognized from inside the car while the elevator door is open and that cannot be visually recognized from inside the car while the elevator door is closed. This door state determination device acquires an in-car image captured by a camera installed on a mobile object that can get on and off the elevator, determines the door open/closed state of the elevator door according to whether an image of the marker is included in the in-car image, extracts identification information from the marker when an image of the marker is included in the in-car image, and determines the floor on which the elevator door is open on the basis of the identification information.
Inventors:
KUMAGAI SEIICHI (JP)
HIRAI TAKAHIDE (JP)
HIRAI TAKAHIDE (JP)
Application Number:
PCT/JP2022/031732
Publication Date:
February 29, 2024
Filing Date:
August 23, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP (JP)
MITSUBISHI ELECTRIC CORP (JP)
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B3/00; B66B17/20
Domestic Patent References:
| WO2018189767A1 | 2018-10-18 |
Foreign References:
| JP2022039769A | 2022-03-10 | |||
| JP2005332059A | 2005-12-02 | |||
| US20210284485A1 | 2021-09-16 |
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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