Title:
MANAGEMENT DEVICE, MANAGEMENT METHOD, PROGRAM
Document Type and Number:
WIPO Patent Application WO/2018/061657
Kind Code:
A1
Abstract:
This management device is provided with: a reception intensity acquiring unit that, when at least one reader receives transmission signals transmitted by a plurality of transmission devices attached to management targets respectively, acquires the reception intensities of the transmission signals received by the reader; and a deterioration determination unit that, on the basis of a comparison between an index value based on a plurality of reception intensities acquired during a predetermined period and a newly acquired reception intensity, determines whether one of the plurality of transmission devices that has transmitted a transmission signal corresponding to the newly acquired reception intensity deteriorates or not.
Inventors:
UCHIMURA JUN (JP)
TAKAHASHI HIDEAKI (JP)
TAKAHASHI HIDEAKI (JP)
Application Number:
PCT/JP2017/031963
Publication Date:
April 05, 2018
Filing Date:
September 05, 2017
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
G06K19/07; B66F9/24; G06K7/10; G06K17/00
Foreign References:
| JP2007199938A | 2007-08-09 | |||
| JP2007008574A | 2007-01-18 | |||
| JP2011241567A | 2011-12-01 | |||
| JP2013020501A | 2013-01-31 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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