| 摘要 |
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, and 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.
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