CPC Subgroup
G08B 13/19 using infrared-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 > using infrared-radiation detection systems
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G08B 13/191 using pyroelectric sensor means
- G08B 13/193 using focusing means