OPTICAL INTEGRATOR ROD WITH INTERNAL OBJECT PLANE
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United States of America Patent
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N/A
Issued Date -
May 8, 2014
app pub date -
Nov 2, 2012
filing date -
Nov 2, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An improvement in DMD illumination systems is set forth, wherein the spatially integrated object plane is selected from within the volume of the integrating rod, rather than at its exit face. In one embodiment, the exit face of the rod may be curved to aid imaging. Benefits of the integrator rod according to the present invention include reduced sensitivity to dust, edge chips and surface defects, simpler or more rugged mounting.
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Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F21V Class
- 6 % this patent is cited more than
- 11 Age