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. 16, 2014
Filed:
Dec. 28, 2007
Applicants:
Rowan L. Mcfarland, Carrollton, TX (US);
James Rodgers Tighe, Frisco, TX (US);
Inventors:
Rowan L. McFarland, Carrollton, TX (US);
James Rodgers Tighe, Frisco, TX (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/12 (2006.01); H04N 19/61 (2014.01); H04N 21/4405 (2011.01); H04N 21/6334 (2011.01); H04N 7/167 (2011.01); H04N 21/2347 (2011.01);
U.S. Cl.
CPC ...
H04N 7/1675 (2013.01); H04N 19/00781 (2013.01); H04N 21/44055 (2013.01); H04N 21/63345 (2013.01); H04N 21/23476 (2013.01);
Abstract
A method comprises receiving a bit stream associated with at least one video image, wherein the bit stream comprises at least one macroblock header and a plurality of macroblocks. The method continues by encrypting the at least one macroblock header. The method concludes by transmitting the bit stream such that the at least one macroblock header is in an encrypted format and at least one macroblock is in an unencrypted format.