Segmented reflective optical system
First Claim
Patent Images
1. An optical carriage module for a scanner, comprising:
- at least two page-wide generally planar mirrors;
a page-wide optical element comprising a plurality of non-planar mirrors, each of the non-planar mirrors corresponding to a discrete image-forming optical channel associated with the scanner, the discrete image-forming optical channel reflecting from each of the two page-wide generally planar mirrors;
at least two end datum blocks comprising mirror mounting surfaces for mounting the page- wide generally planar mirrors and an element mounting surface for mounting the page-wide optical element;
at least one spring clip for each end datum block, each spring clip holding the at least two page-wide mirrors against an end datum block; and
a carriage housing;
and wherein the page-wide mirrors, the end datum blocks, and the clips are comprised in an optical subassembly that is secured to the carriage housing.
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Abstract
An optical system, used for scanning, forms an image using reflective optical surfaces. The system may be telecentric, and may form an image that is reduced in size as compared with the scanned original. Several image-forming optical channels may be combined to form a page-wide scanning array.
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Citations
10 Claims
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1. An optical carriage module for a scanner, comprising:
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at least two page-wide generally planar mirrors; a page-wide optical element comprising a plurality of non-planar mirrors, each of the non-planar mirrors corresponding to a discrete image-forming optical channel associated with the scanner, the discrete image-forming optical channel reflecting from each of the two page-wide generally planar mirrors; at least two end datum blocks comprising mirror mounting surfaces for mounting the page- wide generally planar mirrors and an element mounting surface for mounting the page-wide optical element; at least one spring clip for each end datum block, each spring clip holding the at least two page-wide mirrors against an end datum block; and a carriage housing; and wherein the page-wide mirrors, the end datum blocks, and the clips are comprised in an optical subassembly that is secured to the carriage housing. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of assembling an optical carriage module for a scanner, comprising:
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securing at least two page-wide generally planar mirrors against first mounting surfaces on two end datum blocks using at least one spring clip for each datum block; securing a page-wide optical component against a second mounting surface on the two end datum blocks, the page-wide optical element comprising a plurality of non-planar mirrors that each correspond to a discrete image-forming optical channel associated with the scanner, the discrete image-forming optical channel reflecting from each of the at least two page-wide generally planar mirrors; and securing the two end datum blocks comprising the at least two page-wide generally planar mirrors and the page-wide optical component as an optical subassembly into a carriage housing. - View Dependent Claims (8, 9, 10)
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Specification