Title:
緊急事態通知システム
Document Type and Number:
Japanese Patent JP7249260
Kind Code:
B2
Abstract:
The present invention relates to an emergency notification system (102) where indicators (106) are mounted on or in a building (100) in such a way that optical or thermal signals emitted from the indicators (106) form a time-variant indication detectable outside the building (100) of an emergency event taking place inside the building (100). Sensors (104) detecting a predetermined sound are mounted inside the building (100) and are each connected to a nearby indicator (106). When a sensor (104) makes a detection, it sends event information to its associated indicator (106) which will prompt the indicator (106) to emit a first optical or thermal signal. Based on a signal from a timer (110) connected to the indicator (106), a property of the first signal will change after a certain time has passed, thereby providing the time-variant indication.
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Inventors:
Larsson, Ingemar
Hanson, Anders
Andersson, Daniel
Hanson, Anders
Andersson, Daniel
Application Number:
JP2019190655A
Publication Date:
March 30, 2023
Filing Date:
October 18, 2019
Export Citation:
Assignee:
Axis Arbe
International Classes:
G08B23/00; G08B21/18
Domestic Patent References:
| JP2011015375A | ||||
| JP2008262384A |
Foreign References:
| US20120126979 |
Attorney, Agent or Firm:
Sonoda & Kobayashi Patent Attorneys Corporation
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