Title:
Fire information equipment
Document Type and Number:
Japanese Patent JP6126977
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To solve the problem that, in a conventional wireless fire alarm facility, a fire alarm has a risk of delaying the fire alarm since transmission and reception are intermittently performed.SOLUTION: A fire alarm facility 1 includes: a wireless type fire sensor 30 provided in the lowest hierarchy; a relay 50 for directly performing wireless communications with the fire sensor 30 or via repeater 40 provided on a medium hierarchy which transfers wireless signals; and a fire receiver 10 for performing a storage operation which receives information of the relay 50 via a signal line. The relay 50 and the repeater 40 perform an intermittent reception at the normal time, and perform a storage confirmation reception for performing a continuous reception for a predetermined time when a fire signal is received from the fire sensor 30.
Inventors:
Masuyama Makoto
Shuichi Murao
Shuichi Murao
Application Number:
JP2013242132A
Publication Date:
May 10, 2017
Filing Date:
November 22, 2013
Export Citation:
Assignee:
Nomi Disaster Prevention Co., Ltd.
International Classes:
G08B17/00; G08B25/10; H04W4/04; H04W52/02
Domestic Patent References:
| JP2012234348A | ||||
| JP2011118801A |