CPC Subgroup
G08B 21/02 Alarms for ensuring the safety of persons
Full Title
Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for > Alarms for ensuring the safety of persons
7 direct subcodes
Child Classifications
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- G08B 21/04 responsive to non-activity, e.g. of elderly persons (G08B21/06 takes precedence)
- G08B 21/06 indicating a condition of sleep, e.g. anti-dozing alarms
- G08B 21/08 responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
- G08B 21/10 responsive to calamitous events, e.g. tornados or earthquakes
- G08B 21/12 responsive to undesired emission of substances, e.g. pollution alarms