Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – By conveying randomly faced items and turning items to...
Patent
1993-04-12
1994-05-17
Valenza, Joseph E.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
By conveying randomly faced items and turning items to...
198391, 250223R, 356375, 356376, 356394, B65G 4724
Patent
active
053119770
ABSTRACT:
A high resolution article handling system serves as an article discriminator or identifier by creating an object silhouette. The objects are singulated on a conveyor and scanned by a linear array of CCD units (2048 pixels per inch) at a scan rate of 10 MHz. Pixel transitions corresponding to object edge points are converted to a single count value from a counter which is synchronized with the scanner. A microprocessor with a first in, first out buffer memory needs only a capacity to handle the count value rather than all data from the pixels. Article orientation is corrected in response to signal generated by determining the count value difference between a reference value and a work article value at only the scan slice windows at equally spaced positions along the article length where differences have been predetermined to be a maximum.
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Baird Randy K.
Dean Arthur L.
Martin James P.
Turcheck, Jr. Stanley P.
Megley Richard B.
Rudy Douglas W.
Valenza Joseph E.
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