Generic method for automatically generating finite-state machines for schedudling from print engine capabilities

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United States of America Patent

PATENT NO 5835688
SERIAL NO

08475003

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Abstract

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A system is provided for automatically analyzing timing constraints of capabilities, and establishing parameters for automatic generation of finite-state machines which schedule from print engine capabilities. The system generates a finite-state machine which encodes, for each capability, a means by which any given schedule may be extended to one that includes a correct or optimal schedule for that particular capability. The system generates finite-state machines for both forward and backwards scheduling. It is adapted for both greedy and optimal search strategies. The system facilitates selectively leaving classes of constraints for run-time checking in order to reduce a size of a finite-state machine. Finite machines so generated are suitably used with schedulers to alternately control operation of a print engine.

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Patent Owner(s)

Patent OwnerAddress
XEROX CORPORATION201 MERRITT 7 P O BOX 4505 NORWALK CT 06851-1056

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fromherz, Markus P J Palo Alto, CA 44 1061

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