Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, AND INFORMATION PROCESSING METHOD
Document Type and Number:
Japanese Patent JP2018180905
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve accuracy of presence confirmation.SOLUTION: An information processing device includes: a confirmation part for confirming the existence of a plurality of terminals by receiving radio waves using a first communication method from a plurality of terminals; an instruction part for instructing a second terminal other than a first terminal among the plurality of terminals to receive the radio waves by the first communication method when the confirmation part cannot confirm the existence of the first terminal among the plurality of terminals; and a reception part for receiving from the second terminal a notification of the receipt of the radio waves from the first terminal.SELECTED DRAWING: Figure 8
Inventors:
USHIKI KAZUMASA
HANADA YUICHI
FUJII AKIRA
HANADA YUICHI
FUJII AKIRA
Application Number:
JP2017079129A
Publication Date:
November 15, 2018
Filing Date:
April 12, 2017
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
G08B21/22; G08B25/10; H04M11/00; H04W4/00; H04W4/02; H04W84/18
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Takao Kato
Tadahiko Ito
Takao Kato