Boots – shoes – and leggings
Patent
1990-04-09
1993-10-26
Harrell, Robert B.
Boots, shoes, and leggings
364188, 364191, 3649765, 364DIG2, G06F 1520
Patent
active
052573630
ABSTRACT:
A method and system in which a programmed digital computer serving as a graphical "engine" is employed to construct an executable model for a complex system using a hierarchy of so called "Colored" Petri nets (CPN's or CP-nets). The operation of the complex system is specified in terms of a graphical net structure and formal net inscriptions, such as arc expressions and guards, which ensure development of a program, or executable model, and associated data structures, properly defining the system. Sophisticated syntax checks and other tools are provided for ensuring that the model so constructed conforms to a set of rules which guarantee valid system behavior.
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Christensen Soren
Huber Peter
Jensen Kurt
Malhotra Jawahar
Shapiro Robert M.
Harrell Robert B.
Meta Software Corporation
Shah Alpesh M.
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