Doze detector

Details Doze detector Doze detector

1988-02-11

1990-08-28

Lall, Parshotam S.

Boots, shoes, and leggings

340575, 340576, G08B 2300

Patent

active

049531115

ABSTRACT:
A doze detector detects when the user begins to go to sleep, by detecting the blinks of the user's eye, regardless of the position of the iris, using at least two reflection type sensors. A blink is determined to have occurred only when both light detecting elements detect a blink. The number and/or duration of the blinks is then used to determine whether the user is beginning to doze. An alarm can then be produced to prevent the user from going to sleep.

REFERENCES:
patent: 3863243 (1975-01-01), Skolnick et al.
patent: 4144531 (1979-03-01), Anbergen
patent: 4203098 (1980-05-01), Muncheryan
patent: 4397531 (1983-08-01), Lees
patent: 4561448 (1985-12-01), Buchas
patent: 4725824 (1988-02-01), Yoshioka
patent: 4735498 (1988-04-01), Udden et al.
Medical & Biological Engineering & Computing, vol. 19, No. 4, Jul. 1981, pp. 509-513, IFMBE, Stevenage, GB; C. R. Genter, II et al.; "Coincidence Eye Position Device with Applications in Clinical Psychophysics, Eye-Position Training and Visual Evoked Response Recording".

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