Solid state imaging device including a rod lens array
First Claim
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1. A solid state imaging device comprising:
- a plurality of line sensors arrayed in a staggered relation, the line sensors adapted for scanning a document in a first direction,a rod lens array in which rod lenses are bent so that one of the ends of the rod lenses are arrayed in substantially a straight line on the document side and the other ends of the rod lenses are arrayed in a staggered relation in correspondence with the line sensors on the sensor side.
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Abstract
A solid state imaging device with a plurality of line sensors in which each line sensor receives the light through the divided light paths from a straight line of a document into each unit is disclosed. The divided light paths are obtained by bending each rod lens of the rodlenses array, providing concave or convex lenses or convex mirrors or by providing transparent plates at different angles. As a result of the dividing of light path the line sensors pick up linear image data without abutting each sensor in a straight line.
29 Citations
16 Claims
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1. A solid state imaging device comprising:
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a plurality of line sensors arrayed in a staggered relation, the line sensors adapted for scanning a document in a first direction, a rod lens array in which rod lenses are bent so that one of the ends of the rod lenses are arrayed in substantially a straight line on the document side and the other ends of the rod lenses are arrayed in a staggered relation in correspondence with the line sensors on the sensor side. - View Dependent Claims (2, 3, 4)
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5. A solid state imaging device comprising:
a plurality of line sensors arrayed in a staggered relation, the line sensors adapted for scanning a document in a first direction, a rod lens array having a plurality of blocks, the blocks alternately inclined so that light from a document is transmitted to the line sensors and the bottoms of said blocks arranged in a straight line.
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6. A solid state imaging device comprising:
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a plurality of concave lenses for converging the light from a document which is scanned in a first direction, a rod lens array which are mounted adjacent said plurality of concave lenses, the rod lens array having both ends of the rod lenses arrayed in substantially a straight line in said first direction, a plurality of line sensors arrayed at one ends of the rod lenses, and wherein each line sensor receives the light divided by the concave lenses. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A solid state imaging device comprising:
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a plurality of convex mirrors for converging the light from a document which is scanned in a first direction, a rod lens array which are mounted adjacent said plurality of convex mirrors, the rod lens array having both ends of the rod lenses arrayed in substantially a straight line in said first direction, a plurality of line sensors arrayed at one ends of the rod lenses, and wherein each line sensor receives the light divided by the convex mirrors. - View Dependent Claims (13)
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14. A solid state imaging device comprising:
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a plurality of convex lenses for converging the light from a document which is scanned in a first direction, a rod lens array which are mounted adjacent said plurality of convex lenses, the rod lens array having both ends of the rod lenses arrayed in substantially a straight line in said first direction, a plurality of line sensors arrayed at one ends of the rod lenses, and wherein the convex lenses are provided between the rod lens array and the line sensor, and each line sensor receives the light divided by the convex lenses.
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15. A solid state imaging device comprising:
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a rod lens array which has both ends of the rod lenses arrayed in substantially a straight line in a first direction, a plurality of transparent plates provided at one end of the rod lens array and mounted at different angles, and a plurality of line sensors mounted relative to said plurality of transparent plates. - View Dependent Claims (16)
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Specification