Registers – Coded record sensors – Particular sensor structure
Patent
1994-05-06
1995-07-04
Shepperd, John
Registers
Coded record sensors
Particular sensor structure
358475, 348370, 362 16, 355 70, G06K 710, H04N 103
Patent
active
054302820
ABSTRACT:
The system has an optical scanning device formed of a plurality of pixel elements for providing a scan output signal representative of a scanned region of an object. The system has a reflector, an illumination source, a light compensator, and an object positioner. The reflector defines an ellipse. The object positioner disposes the object substantially near the major axis of the ellipse. The illumination source emits and applies light energy to the object disposed at a first focus of the ellipse. The light compensator, which varies the light energy emitted from the illumination source, has one or more dedicated pixels of the optical scanning device. The light compensator also has fiber optical transmitters that receive light transmitted from the illumination source and couple to the dedicated pixels, which are unavailable for receiving reflected light from the scanned region of the object.
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Patent Abstracts of Japan, vol. 12, No. 23 (P-658) 23 Jan. 1988 & JP-A-62 177 685 (NEC Corp.) 4 Aug. 1987.
Esslinger Robert H.
Mulligan Joseph P.
Skinger Gregory P.
Smith Steven L.
Mendelsohn Steve
Murray William H.
Shepperd John
United Parcel Service of America Inc.
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