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Title:
FIRE NOTIFICATION SYSTEM, COMMUNICATION METHOD, CONTROL DEVICE, AND STATUS DETECTION TERMINAL
Document Type and Number:
Japanese Patent JP2022094810
Kind Code:
A
Abstract:
To provide a fire alarm system that enables early acquisition of status information even when the number of fire detectors increases.SOLUTION: In a fire notification system, a control device 1 includes a polling signal transmission unit 141 that transmits a polling signal to a representative terminal from among a plurality of terminals 2 belonging to a plurality of groups, a status information receiving unit 142 that receives status information indicating the status of the plurality of terminals from the plurality of terminals 2, and an information output unit 143 that outputs notification information based on the status information. The plurality of terminals 2 includes a polling signal receiving unit 251 that receives the polling signal, and a status information transmission unit 252 that transmits a response signal including the status information according to the polling signal when operating as the representative terminal, and transmits the status information after the representative terminal has transmitted the response signal when not operating as the representative terminal, and it is necessary to transmit the status information to the control device.SELECTED DRAWING: Figure 3

Inventors:
MORIBAYASHI SHINSUKE
MASUKAWA SHINOBU
Application Number:
JP2020207902A
Publication Date:
June 27, 2022
Filing Date:
December 15, 2020
Export Citation:
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Assignee:
NITTAN CO LTD
International Classes:
H04L12/28; G08B17/00; G08B25/01
Attorney, Agent or Firm:
Izumi Toshihiro
Kyosuke Kutsune
Kensuke Terakawa