DIFF Subgroup
G08B 13/22 Electrical actuation
Introduced: September 1968
Full Title
Burglar, theft or intruder alarms > Electrical actuation
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- G08B 13/24 by interference with electromagnetic field distribution +2 CPC IPC+CPC Available in IPC and CPC
- G08B 13/26 by proximity of an intruder causing variation in capacitance or inductance of a circuit IPC+CPC Available in IPC and CPC