FIELD: lighting engineering. SUBSTANCE: directional pattern is formed by scanning with light beam at frequency exceeding or equal to 30 Hz which is human eyes' persistence of vision. This makes it possible to reduce power of light source, to form any directional patterns in dynamic mode, change over from low to high beam, form Z-shaped light boundary illuminate objects on road side and stabilize light flow relative to road. EFFECT: enhanced reliability. 2 dwg
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Authors
Dates
1997-10-27—Published
1994-08-11—Filed