Photocopying – Projection printing and copying cameras – With temperature or foreign particle control
Reexamination Certificate
2007-11-06
2007-11-06
Mathews, Alan (Department: 2851)
Photocopying
Projection printing and copying cameras
With temperature or foreign particle control
C355S053000, C359S845000
Reexamination Certificate
active
10776717
ABSTRACT:
A cooling apparatus for use with an optical element having a concave part includes a cooling mechanism, located in the concave part of the optical element, for cooling the optical element through radiation in a non-contact manner.
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Canon Kabushiki Kaisha
Mathews Alan
Morgan & Finnegan , LLP
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