Enhancement of a personal emergency response system

Telephonic communications – Emergency or alarm communications – Responsive to sensed nonsystem condition

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379 38, 379 48, H04M 1104

Patent

active

050919300

ABSTRACT:
An apparatus and method for use in combination with a personal emergency response system. Typical systems establish a telephone communication link between a subscriber station and a central monitoring station in order to monitor the needs of elderly and/or infirm persons confined to their residences. In the normal operation of a system, a user located at a subscriber station activates a subscriber unit which transmits an alert signal via a telephone communication link to a central monitoring station which dispatches aid to the subscriber station. The system of the present invention incorporates an ancillary radio frequency receiver or transceiver subsystem as an alternate communication link in the event that telephone service becomes disabled. The ancillary radio receiver provides the user with the ability to receive radio frequency transmissions which inform the user that telephone lines have become disabled. In a second embodiment, a supplemental radio transceiver subsystem is implemented into the system to provide the user with the capability to transmit as well as receive information in the event that normal telephone channels are incapacitated.

REFERENCES:
patent: 4064368 (1977-12-01), Dibner
patent: 4518822 (1985-05-01), Martinez
patent: 4536750 (1985-08-01), Ebihara

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