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:
Jun. 22, 2010
Filed:
Jan. 23, 2004
Applicants:
Aarti Gupta, Princeton, NJ (US);
Malay Ganai, Plainsboro, NJ (US);
Zijiang Yang, Plainsboro, NJ (US);
Pranav Ashar, Belle Mead, NJ (US);
Inventors:
Aarti Gupta, Princeton, NJ (US);
Malay Ganai, Plainsboro, NJ (US);
Zijiang Yang, Plainsboro, NJ (US);
Pranav Ashar, Belle Mead, NJ (US);
Assignee:
NEC Laboratories America, Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); G06F 9/45 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of obtaining a resolution-based proof of unsatisfiability using a SAT procedure for a hybrid Boolean constraint problem comprising representing constraints as a combination of clauses and interconnected gates. The proof is obtained as a combination of clauses, circuit gates and gate connectivity constraints sufficient for unsatisfiability.