US 11,990,015 B2
Point heat detectors based on surface mounted thermistors
Andrea Chiatti, Trieste (IT); Andrea Frison, Monfalcone (IT); Arturo Paderno, Charlotte, NC (US); Daniele Iurissevich, Trieste (IT); Fabio Bellemo, Charlotte, NC (US); Massimo Bressanutti, Sesto al Reghena (IT); Maurizio Berliavaz, Charlotte, NC (US); and Stefano Pecorari, Charlotte, NC (US)
Assigned to Honeywell International Inc., Charlotte, NC (US)
Filed by Honeywell International Inc., Charlotte, NC (US)
Filed on Sep. 22, 2021, as Appl. No. 17/481,577.
Prior Publication US 2023/0093605 A1, Mar. 23, 2023
Int. Cl. G08B 17/06 (2006.01); H05K 1/18 (2006.01)
CPC G08B 17/06 (2013.01) [H05K 1/181 (2013.01); H05K 2201/09272 (2013.01); H05K 2201/10022 (2013.01); H05K 2201/10151 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A circuit board for a point heat detector of a fire sensing system, comprising:
a circuit board body having number of corners;
at least one aperture provided in the circuit board body proximate to one of the corners;
a surface mounted thermistor mounted on at least one corner; and
wherein the circuit board body has an edge at its periphery and wherein the surface mounted thermistor is positioned on the corner having the aperture proximate thereto and positioned between the edge and the at least one aperture.