Patent classifications
G
PHYSICS
Load children
G08
SIGNALLING
Load children
G08B
SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
Load children
21/00
Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Load children Filter patents View analytics View as hierarchy
G08B21/02
Alarms for ensuring the safety of persons
Load children Filter patents View analytics View as hierarchy
G08B21/04
responsive to non-activity, e.g. of elderly persons
Load children Filter patents View analytics View as hierarchy
G08B21/0407
based on behaviour analysis
Load children Filter patents View analytics View as hierarchy