Title:
ARTICLE MANAGEMENT SYSTEM, METHOD AND READING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/058310
Kind Code:
A1
Abstract:
Provided is an article management system comprising: at least one first wireless device installed at a known location and storing first identification information; a second wireless device attached to an article and storing second identification information; at least one reading device that moves with a moving object and includes a reading unit capable of reading identification information stored in a wireless device from the wireless device, and a measuring unit for measuring atmospheric pressure; and an estimation unit that estimates the position of the article in the height direction, on the basis of a first air pressure value measured when the first identification information is read from the at least one first wireless device by the at least one reading device, and a second air pressure value measured when the second identification information is read from the second wireless device by the at least one reading device.
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Inventors:
NAKAJIMA YUKI (JP)
Application Number:
PCT/JP2022/029788
Publication Date:
April 13, 2023
Filing Date:
August 03, 2022
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
B65G61/00; B65G1/137; G01C5/06
Domestic Patent References:
| WO2020059236A1 | 2020-03-26 |
Foreign References:
| JP6811663B2 | 2021-01-13 | |||
| CN111126520A | 2020-05-08 | |||
| CN112270388A | 2021-01-26 |
Attorney, Agent or Firm:
OHTSUKA PATENT OFFICE, P.C. (JP)
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