H - Electricity – 04 – M
Patent
H - Electricity
04
M
354/25, 379/3, 3
H04M 11/00 (2006.01) G07C 1/20 (2006.01) G07C 9/00 (2006.01) G08B 21/02 (2006.01)
Patent
CA 1257940
ABSTRACT OF THE DISCLOSURE A monitoring system for indicating the presence of a person at a remote location through a telephone line includes apparatus at a central location for automatically establishing a telephone link between the central and remote locations. A decoder at the remote location produces a verification signal in response to an action performed by the person whose presence is to be indicated. The decoder transmits the verification signal through the telephone line to the central location to indicate the presence of the person at the remote location. In the preferred embodiment, the person wears an identification bracelet which the person cannot take off.
515129
Foley Steven L.
Digital Products Corporation
G. Ronald Bell & Associates
LandOfFree
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