Title:
警報連動型防災システム
Document Type and Number:
Japanese Patent JP6954530
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an alarm interlocked disaster prevention system that can check a radio wave reception state at a master unit, give an alarm if the reception state is poor, and thereby prompt a user to move the master unit to a place where the reception state is good.SOLUTION: In an alarm interlocked disaster prevention system of the present invention, a master unit 1 includes: an alarm reception unit 2 for receiving an alarm signal transmitted by a broadcast station; a master unit transmission unit 3 for transmitting an operation signal to a slave unit 20 upon receiving the alarm signal with the alarm receiving unit 2; a time tone reception unit 4 for receiving a time tone signal transmitted by the broadcast station; a time tone confirmation unit 5 for confirming whether the time tone reception unit 4 has correctly received the time tone signal; and a radio wave reception state alarming unit 6 for warning that a radio wave state from the broadcast station is poor if the time tone confirmation unit 5 cannot confirm the time tone signal.SELECTED DRAWING: Figure 1
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Inventors:
Chiba Kotobuki
Tomonori Toyoda
Furudate Moritsutsu
Satomi Fujisaki
Tomonori Toyoda
Furudate Moritsutsu
Satomi Fujisaki
Application Number:
JP2017137745A
Publication Date:
October 27, 2021
Filing Date:
July 14, 2017
Export Citation:
Assignee:
Iwate University
National Institute for Natural Sciences
National Institute for Natural Sciences
International Classes:
H04M11/04; G08B21/10; G08B27/00; H04H20/06; H04H20/59; H04Q9/00
Domestic Patent References:
| JP2014027576A | ||||
| JP10028065A | ||||
| JP5521074B2 | ||||
| JP2011040938A | ||||
| JP2009236534A | ||||
| JP2001007773A | ||||
| JP2012252546A | ||||
| JP2007066034A |
Attorney, Agent or Firm:
Shinichi Abe
Yoshihiro Shimizu
Yuji Tsujida
Takaaki Ota
Yoshihiro Shimizu
Yuji Tsujida
Takaaki Ota