Personal identification and signaling system

Details Personal identification and signaling system Personal identification and signaling system

1979-03-29

1980-11-25

Cook, Daryl W.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235439, 235488, 340152T, 340171A, 343 65R, G06K 500, G06K 1906, H04Q 902, G01S 956

Patent

active

042360684

ABSTRACT:
A personal identifier comprising a portable device for generating a signal identifying the user. This identifier may be reprogrammed periodically by the user for protecting against unauthorized use or for sending special information. In addition the identifier can be energized to radiate a uniquely coded high energy signal to indicate the user needs emergency assistance and also includes a loudspeaker for transmitting the signal to a telephone receiver to allow communicating through the telephone system.

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patent: 3755803 (1973-08-01), Cole et al.
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patent: 3832530 (1974-08-01), Reitboeck et al.
patent: 3906460 (1975-09-01), Halpern
patent: 3929277 (1975-12-01), Byrne et al.
patent: 4025791 (1977-05-01), Lennington et al.
patent: 4047156 (1977-09-01), Atkins

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