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US 5,396,060 AGranted
Quadrant detector arrangement having integral light channels
AssigneeHughes Aircraft Company
InventorsGabor Devenyi, Joerg W. Hollmann
Life of this patent
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Abstract
A quadrant detector arrangement (10) includes a quadrant detector (12) having a photosensitive surface (28) and a plurality of light channels (14) extending therethrough. Light from a light source (16) is collimated by a collimating optical element (18) and projected through the light channels (14) toward a workpiece (36) such that light reflected from the workpiece (36) impinges upon the photosensitive surface (28).
Claims17
A quadrant detector arrangement;
- comprising:
- a quadrant detector having a photosensitive surface and a plurality of light channels therethrough;
- and
- means for projecting light through said light channels toward a workpiece such that light reflected from said workpiece impinges upon said photosensitive surface.
1 more element
Dependencies are inferred from the claim text.