Integrating light mixer
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United States of America Patent
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Apr 24, 2001
Grant Date -
N/A
app pub date -
Sep 3, 1999
filing date -
Sep 3, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A document validation subassembly is described. The subassembly includes a light mixer for generating at least one substantially homogenous light spot. The light mixer includes a light mixing chamber, at least one input port for accommodating at least one light source, at least one output, and at least one collimator connected to the output. In an implementation, the light mixing chamber is substantially spherical, but other shapes, such as cylindrical chambers, are also contemplated. Also described are solid core light mixer implementations.
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