Communications: electrical – Systems – Call station
Patent
1975-10-31
1977-11-22
Swann, III, Glen R.
Communications: electrical
Systems
Call station
180 99, 200DIG2, G08B 2100
Patent
active
040598306
ABSTRACT:
In at least one embodiment, a sleep inhibiting device comprises a plurality of ring-like, metallic contacting devices worn on adjacent fingers of a human hand. The contacting devices close an electrical circuit when brought into mutual contact as a result of the adjacent fingers being brought into a contiguous relationship. The sleep inhibiting device may also comprise means for physically attracting the ring-like devices to each other, thereby requiring a wearer to consciously apply a countering force to prevent physical contact of the ring-like devices. Upon inadvertent relaxation of the muscles of the hand and fingers of a wearer, the ring-like devices are brought into contact with each other and thereby close a circuit that activates a stimulation means, such as a buzzer, and thereby awakens the wearer. In one embodiment of this invention, the ring-like devices are magnetized and oppositely poled to increase the likelihood of contact upon relaxation of the muscles of the fingers and hand. In a second embodiment, electrically contacting devices extend along the exterior surface of the finger portions of a glove that is worn by the wearer.
REFERENCES:
patent: 1402609 (1922-01-01), Hodous
patent: 1915721 (1933-06-01), Diaz
patent: 2267489 (1941-12-01), Brockhurst
patent: 3049188 (1962-08-01), Giannetti
Lawlor Reed C.
Swann III Glen R.
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