Boots – shoes – and leggings
Patent
1995-07-05
1998-09-08
Chin, Gary
Boots, shoes, and leggings
3642546, 3642832, 3642526, G06F 1730
Patent
active
058058605
ABSTRACT:
The present invention teaches a variety of methods, data structures and apparatus for use in representing and traversing hierarchical netlists. According to a first embodiment of the present invention, a hierarchical netlist which represents an electronic device is stored in a computer readable medium and includes a module data structure and a hierarchical data structure. The module data structure includes a first module and a list identifying each instance of the first module present in the hierarchical netlist. The hierarchical point data structure represents a first hierarchical element in the hierarchical netlist and is arranged to identify a selected device element represented in the first module. Additionally, the hierarchical point data structure is capable of identifying a plurality of unique occurrences of separate but identical device elements that are represented by the first hierarchical element. Thus, if the selected device element has separate but identical occurrences in the electrical device which are interconnected appropriately therein, the hierarchical point data structure may be used to identify these separate but identical occurrences. In accordance with other aspects of the present invention, a variety of methods which utilize hierarchical data structures to initialize and traverse the hierarchical netlist are taught.
REFERENCES:
patent: 5111413 (1992-05-01), Lazansky et al.
patent: 5212650 (1993-05-01), Hooper et al.
patent: 5262959 (1993-11-01), Chkoreff
patent: 5281558 (1994-01-01), Bamji et al.
patent: 5528508 (1996-06-01), Russell et al.
patent: 5581474 (1996-12-01), Bamji et al.
Chin Gary
Mohamed Ayni
Sun Microsystems Inc.
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