Title:
無線タグ管理システム
Document Type and Number:
Japanese Patent JP7188149
Kind Code:
B2
Abstract:
To provide a configuration capable of accurately grouping and managing tag information of a wireless tag attached to a management object that moves as a group.SOLUTION: A measured phase φ and RSSI are sequentially stored together with a measurement time in a storage unit 12 in each wireless tag 30. A difference from the preceding phase about each phase φ to be stored in the storage unit 12 is calculated as a phase change amount Δφ, the phase change amount Δφ is integrated to calculate a phase change amount integrated value φsum. Then, grouping processing is performed so as to include, in the same movement group, wireless tags 30 in which the calculated phase change amount integrated value φsum is equal to or more than a first threshold φsa assumed to be movement and a maximum RSSI stored in the storage unit 12 is within a prescribed group range among a plurality of wireless tags 30.SELECTED DRAWING: Figure 6
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Inventors:
Kohei Enomoto
Masayuki Ogawa
Masayuki Ogawa
Application Number:
JP2019017566A
Publication Date:
December 13, 2022
Filing Date:
February 04, 2019
Export Citation:
Assignee:
Denso Wave Co., Ltd.
International Classes:
G06K17/00; B65G1/137; G06K7/10
Domestic Patent References:
| JP2009137761A | ||||
| JP2013037663A | ||||
| JP2018146452A |
Attorney, Agent or Firm:
Akito Tagashita
Katsuhiko Tateishi
Katsuhiko Tateishi
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