Title:
火災受信機および火災報知システム
Document Type and Number:
Japanese Patent JP6936589
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fire receiver capable of preventing forgetting of returning even though a speaker or a buzzer is set so as not to ring an alarm when being sifted to a maintenance mode.SOLUTION: There is provided a fire receiver 12 comprising an alarm acoustic part 26 that can generate an alarm sound as well as an attention recall sound, a control part 20 for controlling the alarm acoustic part in response to a signal from a terminal device to generate the alarm sound or the attention recall sound, a maintenance mode SW 28 that can set the maintenance mode from outside, and a connection part 27 that is able to be connected by a predetermined external device. The alarm acoustic part includes sound source means that can generate an alarm sound signal as well as an attention recall sound signal and sound output means for outputting a sound to the outside on the basis of the sound signal generated by the sound source means. The connection part includes signal generation means for generating a signal indicating whether or not an inspection work assist device is connected. Setting means is set to the maintenance mode, and the external device is connected to the connection part; and it is stopped to output the attention recall sound when radio communication made by the external device is disconnected.SELECTED DRAWING: Figure 2
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| JP2009059137 | ALARM |
Inventors:
Takahashi Narimasa
Higashiyama Keisei
Yasuhiro Otsuki
Miyata
Junya Kobayashi
Higashiyama Keisei
Yasuhiro Otsuki
Miyata
Junya Kobayashi
Application Number:
JP2017036464A
Publication Date:
September 15, 2021
Filing Date:
February 28, 2017
Export Citation:
Assignee:
Nittan Co., Ltd.
International Classes:
G08B17/00
Domestic Patent References:
| JP2015138481A | ||||
| JP2000149168A | ||||
| JP2015135584A |
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune