DIFF Subgroup
G08B 13/191 using pyroelectric sensor means
Introduced: January 1990
Full Title
Burglar, theft or intruder alarms > Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength > using passive radiation detection systems > using infrared-radiation detection systems > using pyroelectric sensor means
No child classifications to compare. This is a leaf node in both IPC and CPC.