US PATENT SUBCLASS 198 / 349.9
.~.~.~.~.~ Plural, longitudinally spaced, material detectors index code

Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

348  DF  CONVEYOR ARRANGEMENT FOR SELECTING AMONG PLURAL SOURCES OR DESTINATIONS {11}
349  DF  .~ With selection responsive to means containing or introducing changeable operating instructions {5}
349.5  DF  .~.~ Using central memory to store code until article is discharged {1}
349.6  DF  .~.~.~ Memory stores plural sources or destinations {3}
349.8  DF  .~.~.~.~ Material detector indexes code {1}
349.9.~.~.~.~.~ Plural, longitudinally spaced, material detectors index code

DEFINITION

Classification: 198/349.9

Plural, longitudinally spaced, material detectors index code:

(under subclass 349.8) Apparatus having multiple sensors positioned along the conveying path to cause the changeable operating instructions to be revised as the material travels through the conveyor arrangement.