LED signaling device for road traffic signals

Details LED signaling device for road traffic signals LED signaling device for road traffic signals

2006-09-05

2006-09-05

Alavi, Ali (Department: 2875)

Illumination

Plural light sources

With modifier

C362S545000, C362S294000

Reexamination Certificate

active

07101059

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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Möllmer, F. et al.: “Siemens SMT-TOPLED für die Oberflächenmontage” [Siemens SMT-TOPLED for Surface Mounting], Siemens Components 29, Issue 4, 1991, pp. 147-149.

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