LED signaling device for road traffic signals
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 5, 2006
Issued Date -
N/A
app pub date -
Jun 23, 2003
filing date -
Dec 22, 2000
priority date (Note) -
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Abstract
The invention describes an optical signal transmitter device, in which a specific, predetermined emission characteristic or light density distribution is achieved solely by the arrangement of two or more light elements on a base plate. This means that there is no longer any need for complicated optical structures in order to produce the predetermined light distribution. The invention furthermore describes an optical signal transmitter device that uses a convex condenser in order to improve the light gathering characteristic.
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