CPC Subgroup
G08B 13/189 using passive radiation detection systems
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
3 direct subcodes
Child Classifications
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- G08B 13/19 using infrared-radiation detection systems
- G08B 13/194 using image scanning and comparing systems