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:
Jul. 01, 2014
Filed:
May. 18, 2007
R. Hugo Patterson, Mountain View, CA (US);
Ming Benjamin Zhu, Palo Alto, CA (US);
R. Hugo Patterson, Mountain View, CA (US);
Ming Benjamin Zhu, Palo Alto, CA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
Transmitting or storing subsegments is disclosed. A data stream or a data block is received and broken into a plurality of segments. For at least one segment, the segment is broken into a plurality of subsegments. A previously stored or transmitted segment similar to the at least one segment is identified. A fingerprint is computed for at least one subsegment. And, using the fingerprint for the at least one subsegment, determining whether the at least one subsegment is identical to a subsegment of the previously stored or transmitted segment without directly comparing the content of the at least one subsegment with the content of the subsegment of the previously stored or transmitted segment.