DIFF Subgroup
G08B 13/194 using image scanning and comparing systems
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 image scanning and comparing systems
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
Navigate with arrow keys, Enter to open