Japan, Feb. 27 -- HOCHIKI CORP has got intellectual property rights for 'FIRE DETECTION METHOD.' Other related details are as follows:
Application Number: JP,2025-023109
Category (FI): G08B17/06@A
Stage: PROBLEM TO BE SOLVED: To provide a fire sensor capable of reliably detecting a fire without introducing smoke.SOLUTION: A sensor 1 for detecting a fire occurring in a target area comprises a fire detection unit 141 that detects the fire occurring in the target area based on sound speed information in the target area and an attenuation coefficient indicating a degree of attenuation of a sound wave in the target area, and further comprises: a wave transmitting unit 111 that transmits a sound wave to the target area; and a first sound recei...