Japan, Feb. 27 -- NOHMI BOSAI LTD has got intellectual property rights for 'WARNING UNIT.' Other related details are as follows:
Application Number: JP,2022-148575
Category (FI): G08B17/107@A,G08B17/00@C
Stage: PROBLEM TO BE SOLVED: To provide a fire warning unit capable of stably detecting smoke in spite of dispersion of a smoke flow due to a sonic wave to be generated by an output of warning.SOLUTION: A warning unit includes: a smoke detection section 2 having a light receiving element 12 and a light emitting element 13 so as to detect a smoke density value; a processing section 16 for performing fire determination with at least the smoke density value as one of determination factors; and a warning output section 3 constituted to outpu...