Design verification device

Details Design verification device Design verification device

1992-06-05

1995-01-17

Teska, Kevin J.

Boots, shoes, and leggings

364488, G06F 1560, G06F 1540

Patent

active

053831322

ABSTRACT:
A design verification device includes a diagram data memory for storing designed diagram data, a design reference value memory for storing a design reference value, a determination circuit for making determination with different weight between intersecting directions of a diagram to either the distance or the design reference value in calculating the distance between diagram data provided from the diagram data memory means for making determination whether the calculated distance follows the design reference value; and an error signal output circuit for providing an error signal when determination is made that the design reference value is not followed by the determination circuit.

REFERENCES:
patent: 4791586 (1988-12-01), Maeda et al.
patent: 4829446 (1989-05-01), Draney
patent: 5008553 (1991-04-01), Abe
patent: 5019997 (1991-05-01), Haller
patent: 5062054 (1991-10-01), Kawakami et al.
patent: 5140402 (1991-08-01), Murakata
patent: 5191542 (1993-03-01), Murofushi
"Physical Design and Verification Reference Manual, Version 2.0", SDA Systems, Inc., Jun. 22, 1988.

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