Driver's eyes location determining apparatus and method

Details Driver's eyes location determining apparatus and method Driver's eyes location determining apparatus and method

1997-02-21

1998-09-01

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

Relative attitude indication along 3 axes with photodetection

2505593, 25055937, 318640, 359843, G01B 1126, G01N 2100, G05B 106, G02B 508

Patent

active

058018239

ABSTRACT:
Apparatus for determining the location of the eyes of a driver for a vehicle having a central inside rearview mirror, comprises a distance sensor, an orientation detector, a signal processor. The distance sensor senses the distance between the central mirror and the driver's head. The orientation detector detects the orientation of the inside mirror. Once the driver has manually adjusted the inside mirror, the driver operates a switch, which activates both the distance sensor and the orientation detector. The signal processor, preferably a microcomputer, uses the equation of a parabola in space to determine the location of the parabola's focus, and thereby determine the location of the driver's eyes.

REFERENCES:
patent: 3864030 (1975-02-01), Cornsweet
patent: 4956794 (1990-09-01), Zeevi et al.
patent: 5064274 (1991-11-01), Alten
patent: 5085507 (1992-02-01), Williams et al.
patent: 5096281 (1992-03-01), Windebank et al.
patent: 5684647 (1997-11-01), Rouleau

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