Title:
CALCULATION DEVICE, CALCULATION SYSTEM, CALCULATION METHOD, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/065462
Kind Code:
A1
Abstract:
In order to more accurately ascertain the number of evacuees, a calculation device according to the present invention comprises: a communication means which transmits a response request to terminals in an evacuation shelter and which receives, from the terminals that have responded to the response request, signals in accordance with operations by users of the terminals; and a calculation means which calculates, as the number of evacuees in the evacuation shelter, the number of the terminals which have transmitted the signals.
Inventors:
SAKAI HIROTOSHI (JP)
Application Number:
PCT/JP2021/035226
Publication Date:
March 31, 2022
Filing Date:
September 27, 2021
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04M11/00; G08B25/04
Foreign References:
| JP2020140296A | 2020-09-03 | |||
| JP2019079369A | 2019-05-23 | |||
| JP2019197294A | 2019-11-14 | |||
| JP2020135219A | 2020-08-31 | |||
| JPH10334146A | 1998-12-18 |
Attorney, Agent or Firm:
KITAJIMA Hiroshi et al. (JP)
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