Automatic front light optical axis direction adjusting...

Details Automatic front light optical axis direction adjusting... Automatic front light optical axis direction adjusting...

2007-07-17

2007-07-17

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Position measurement

C702S094000, C702S151000, C702S189000, C702S197000, C362S465000, C362S466000, C362S042000, C362S043000, C362S044000, C362S046000, C362S049000

Reexamination Certificate

active

11200183

ABSTRACT:
The directions of optical axes of headlights of a vehicle are adjusted based on a steering angle by switching filters of different response speed characteristics. The filters are provided with hystereses along boundaries neighboring to each other. The filters are switched depending upon the steering angle and a steering angular velocity to vary the response of swivel control. Therefore, the start of swiveling is not quickened, the filter is not frequently switched, quick motion is suppressed and, hence, smooth motion is realized making it possible to execute a swivel control without causing discomfort.

REFERENCES:
patent: 6671640 (2003-12-01), Okuchi et al.
patent: 6984059 (2006-01-01), Ishiguro et al.
patent: 2002/0036901 (2002-03-01), Horii et al.

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