Registers – Systems controlled by data bearing records – Inventory
Patent
1997-01-23
1999-07-13
Le, Thien Minh
Registers
Systems controlled by data bearing records
Inventory
2354622, G06K 710, G06F 1760
Patent
active
059230177
ABSTRACT:
A moving-light indicia reader system including a conveyor 12 carrying parcel 14 bearing a destination address 20. A moving-light illumination source 24 defines a spot 30 that moves at the same speed as the conveyor 12 to assist the positioning of the parcel 14 on the conveyor 12. A scanner 36 and a computer memory 42 of a character recognition system 40 are operated so as to store an image of a region 50 defined-with respect to the moving spot 30 defined by the moving-light illumination source 24. A sensor assembly 32, including a height sensor and reflectivity sensor, is located toward the downstream end of the moving-light illumination source 24. The scanner 32 is focused in response to height data from the height sensor, and the gain of the scanner 32 is adjusted in response to reflectivity data from the reflectivity sensor, so that the scanner 32 generates a clear image of the top of the parcel 14 at the location of the spot 30 as the parcel 14 passes beneath the scanner 32. A multi-conveyor indicia reader system 100 includes a plurality of moving-light indicia reader systems 10a through 10n that are operated so as to time division multiplex the storage of the images generated by the several moving-light indicia reader systems.
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Alexander Catherine
Bjorner Johnannes A. S.
Pardee Bennett
Le Thien Minh
United Parcel Service of America
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