The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2003
Filed:
Dec. 14, 2001
Applicant:
Inventors:
Samuel D. Naffziger, Fort Collins, CO (US);
Wayne D. Kever, Fort Collins, CO (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/750 ;
U.S. Cl.
CPC ...
G06F 1/750 ;
Abstract
A method of providing critical circuits in a library of circuits, whereby such critical circuits allows designers to apply modifications to them in a controlled manner such that the changes are easy to implement and virtually guaranteed to be correct. The invention comprises a method of performing limited modifications to such critical circuits to alter its characteristics in a controlled manner, and thereafter checking the resulting modified circuit with a circuit simulator for conformance to predetermined specifications that have been assembled for this library critical circuit.