Arrangement for depicting a linear marking

Details Arrangement for depicting a linear marking Arrangement for depicting a linear marking

2011-06-07

2011-06-07

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Straight-line light ray type

Alignment device

C033SDIG021, C362S147000

Reexamination Certificate

active

07954248

ABSTRACT:
An arrangement for depicting a linear optical marking on a surface, including a radiation source emitting light, such as laser radiation, as well as a first lens arranged in the beam path having a first and a second surface penetrated by the radiation, of which one surface features a parabolic or elliptical trace at least partially in cross section, formed of curved sections of different radii, the trace extending symmetrically with respect to a plane of symmetry of the lens, along which runs the beam directed in parallel, preferably by means of a second lens. In order to achieve a uniform power distribution along the line, it is proposed that the first surface formed of sections with different radii faces the radiation.

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