Communications: electrical – Systems – Call station
Patent
1977-02-16
1978-06-06
Waring, Alvin H.
Communications: electrical
Systems
Call station
340420, 58152B, 340224, G04C 2312
Patent
active
040939448
ABSTRACT:
An electronic system for silently awakening a sleeping person without disturbing others sleeping in the same room and, when desired, for inducing sleep in a person unable to fall asleep naturally is disclosed. The system consists of a signal triggering means comprising either an electric clock or a fire-smoke detection device provided therein with an electronic circuitry having two channels, one channel for developing awakening signals and the other for producing sleep-inducing signals. Said system is further provided with a stimulus-directing means, to be positioned under a sleeping person's pillow for receiving stimuli from said electronic circuitry into said stimulus-directing means and transmitting therefrom continuous as well as recurrent, pulsative motion through said pillow to a person lying thereon, as in sleeping or resting.
REFERENCES:
patent: 3786628 (1974-01-01), Fossard et al.
patent: 4028882 (1977-06-01), Muncheryan
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