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:
Apr. 08, 2003
Filed:
Jan. 08, 1999
Applicant:
Inventors:
Michael W. Fortuna, Fremont, NH (US);
Peter B. Beaulieu, Plaistow, NH (US);
Bruce D. Miller, North Reading, MA (US);
Roland T. Provencher, Hudson, NH (US);
Larnie S. Rabinowitz, Lexington, MA (US);
Douglass E. Walker, Boston, MA (US);
Assignee:
Nortel Networks Limited, St. Laurent, CA;
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract
An apparatus comprising system memory and a cache memory maintain system coherency for data stored in a subset of memory elements utilizing software coherency control, while system coherency for all remaining memory elements is maintained utilizing hardware coherency control.