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:
Mar. 12, 2013
Filed:
Jan. 13, 2009
Howard G. Pinder, Norcross, GA (US);
Jonathan Bradford Evans, Atlanta, GA (US);
Anthony J. Wasilewski, Alpharetta, GA (US);
William D. Woodward, Jr., Lilburn, GA (US);
Howard G. Pinder, Norcross, GA (US);
Jonathan Bradford Evans, Atlanta, GA (US);
Anthony J. Wasilewski, Alpharetta, GA (US);
William D. Woodward, Jr., Lilburn, GA (US);
Other;
Abstract
Systems and method for partial encryption are disclosed. One example method comprises: creating a program association table to include a first program number which identifies a program encrypted in accordance with a first encryption scheme, and a second program number which identifies the same program encrypted in accordance with a second encryption scheme; and creating a program map table for the same program to include first audio and video identifiers associated with the first encryption scheme and second audio and video identifiers associated with the second encryption scheme.