公开(公告)号：US20250079832A1

公开(公告)日：2025-03-06

申请号：US18662815

申请日：2024-05-13

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sang Gi Hong ,  Sun-Hwa Lim ,  Soocheol Kim ,  Eun Joo Kim ,  Kyu Won Han

IPC: H02J3/00

Abstract: A system for managing a disaster based on a grid and an operating method of the system are disclosed. The operating method includes generating one or more models respectively corresponding to one or more sensors, acquiring and storing one or more of one or more pieces of sensing information sensed by the one or more sensors, event information determined based on the one or more pieces of sensing information, and status information of the one or more sensors, in the one or more models, based on multidimensional spatial information based on a grid on which the one or more sensors are disposed, information stored in the one or more models, and disaster information related to the multidimensional spatial information, creating grid-based data to monitor a disaster situation associated with the information stored in the one or more models and/or the multidimensional spatial information, and outputting the created grid-based data.

公开(公告)号：US20240233516A1

公开(公告)日：2024-07-11

申请号：US18540288

申请日：2023-12-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hoe-Sung YANG ,  Soocheol Kim ,  Hyunseok Kim ,  Jin Hwa Ryu ,  So Yung Park ,  Kang Bok Lee ,  Yong Tae Lee ,  Kwang-Soo Cho ,  Kyu Won Han

IPC: G08B29/14 ,  G08B17/107 ,  G08B21/18

CPC classification number: G08B29/145 ,  G08B17/107 ,  G08B21/182

Abstract: The present invention is directed to reducing non-fire alarms by distinguishing between smoke caused by an actual fire and non-fire smoke generated in daily life when an event suspected to be a fire occurs. The present invention provides an apparatus and method for determining whether a fire occurs using a smoke detector, which includes a light emitter for generating multiple wavelengths, a light receiver configured to detect light scattered by particles of smoke, and a fire determiner for checking whether the strength of a signal of the detected scattered light exceeds a threshold and generating an alarm, to use characteristics of multiple wavelengths in a photoelectric fire detection apparatus. The fire determiner calculates normalized values by normalizing measured values for the scattered light, and calculates a singular value from the normalized values as a criterion for determining whether the smoke is caused by a fire or a non-fire.