CPC Subgroup
G08B 13/181 using active 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 active radiation detection systems
2 direct subcodes
Child Classifications
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- G08B 13/183 by interruption of a radiation beam or barrier
- G08B 13/187 by interference of a radiation field