DIFF Subgroup
G08B 13/26 by proximity of an intruder causing variation in capacitance or inductance of a circuit
Introduced: September 1968
Full Title
Burglar, theft or intruder alarms > Electrical actuation > by proximity of an intruder causing variation in capacitance or inductance of a circuit
No child classifications to compare. This is a leaf node in both IPC and CPC.