Sleep warning device for mobile vehicles

Details Sleep warning device for mobile vehicles Sleep warning device for mobile vehicles

1999-02-05

1999-11-23

Tong, Nina

Communications: electrical

Condition responsive indicating system

Specific condition

340439, 701 70, 180272, G08B 2300

Patent

active

059907959

ABSTRACT:
This invention provides a means of awakening the sleeping or unconscious operator of the vehicle by sounding a loud alarm with a recorded message within the cabin as well as alerting nearby and opposing drivers of other vehicles in motion that the involved vehicle is out of control. The invention involves securing to a shoulder belt a capacitance element including circuits to bring about a change in capacitance in the event of nodding of the operator's head.

REFERENCES:
patent: 3703217 (1972-11-01), Kulick et al.
patent: 3861349 (1975-01-01), Conley
patent: 4203098 (1980-05-01), Muncheryan
patent: 5508685 (1996-04-01), Monte, Jr.
patent: 5568127 (1996-10-01), Bang
patent: 5585785 (1996-12-01), Gwin et al.
patent: 5813989 (1998-09-01), Saitoh et al.

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