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:
Aug. 27, 2013
Filed:
Sep. 09, 2008
Applicants:
Karthik Chandrashekar Iyer, Bangalore, IN;
Aravinda Subramanya, Bangalore, IN;
Inventors:
Karthik Chandrashekar Iyer, Bangalore, IN;
Aravinda Subramanya, Bangalore, IN;
Assignee:
Entropic Communications, Inc., San Diego, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2011.01);
U.S. Cl.
CPC ...
Abstract
A method of encrypting a digital file composed of a sequence of bytes, each byte defined by a relative position within the digital file and a value, the method comprising: using an encryption key to encode the relative position separately from the value of each byte; and producing an encrypted digital file in which the correlation between relative position and value of each byte in the original digital file is concealed in the encrypted digital file.