ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,205, issued on July 29, was assigned to Hochiki Corp. (Tokyo).
"Heat detector" was invented by Hayato Tsurumi (Tokyo) and Bo Fu (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heat detector (1) includes: a detection portion (2) which is exposed to a monitoring area (12) and detects heat; a guard structure (7) which is provided around the detection portion (2) and protects the detection portion (2) from an external force on the side of the monitoring area (12); and an indicator lamp (4) which performs a display relating to the heat detector, wherein in the indicator lamp (4), at least a part includes a planar visible portion (42) inside the g...