Photocopying – Projection printing and copying cameras – Step and repeat
Reexamination Certificate
2011-08-30
2011-08-30
Glick, Edward J (Department: 2882)
Photocopying
Projection printing and copying cameras
Step and repeat
Reexamination Certificate
active
08009271
ABSTRACT:
A projection optical system PL for forming an image of a first plane M on a second plane P has at least one first wedge prism4each of an entrance surface and an exit surface of which has a plane and in which a predetermined first wedge angle is made between the plane of the entrance surface and the plane of the exit surface, and when a coordinate system is so defined that a Z-axis direction is set along a direction of a normal to the first plane M, an X-axis direction along a direction of an intersecting line between the plane of the entrance surface and the plane of the exit surface, and a Y-axis direction along a direction perpendicular to the Z-axis direction and the X-axis direction, the first wedge prism4is arranged rotatably substantially around the Y-axis direction.
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Glick Edward J
Nikon Corporation
Oliff & Berridg,e PLC
Persaud Deoram
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