Method for marking a lens with a code and method of producing a lens
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United States of America Patent
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Dec 30, 2008
Grant Date -
May 18, 2006
app pub date -
Nov 9, 2005
filing date -
Nov 15, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A lens for illumination purposes is disclosed, in particular a lens for a headlamp for projecting the light emitted by a light source and reflected by a reflector in order to produce a pre-defined illumination pattern. Each lens is provided with an individualized code. For the purpose of coding, a laser is used, by means of which extremely small micro cracks are produced on the surface of the lens and can be read by means of a suitable reading device.
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