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:
Sep. 11, 2012
Filed:
Dec. 19, 2008
Applicants:
David Verbrugge, Caldeon, CA;
Brian E. Crookes, East York, CA;
Inventors:
David Verbrugge, Caldeon, CA;
Brian E. Crookes, East York, CA;
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A packet comparator includes a match packet buffer and a first in first out (FIFO) buffer that stores a reference packet stream. Once a packet in the reference stream and a candidate stream are matched to the match packet, the reference stream and the candidate stream are considered synchronized. Thereafter, the two streams are passed through a compare function and a resultant stream is output from the packet comparator. Possible resultant streams include the results of an exclusive OR (XOR) operation between all, or selected parts, of packets in each of the streams.