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. 28, 2012
Filed:
Jan. 24, 2011
David N. Schlacht, Los Angeles, CA (US);
Deanna R. Kidd, Long Beach, CA (US);
Hanno Basse, Santa Monica, CA (US);
Raynold M. Kahn, Los Angeles, CA (US);
Steven Kasakitis, Redondo Beach, CA (US);
David N. Schlacht, Los Angeles, CA (US);
Deanna R. Kidd, Long Beach, CA (US);
Hanno Basse, Santa Monica, CA (US);
Raynold M. Kahn, Los Angeles, CA (US);
Steven Kasakitis, Redondo Beach, CA (US);
The DIRECTV Group, Inc., El Segundo, CA (US);
Abstract
A communication system and method for operating the same includes a group of user devices and a content delivery network in communication with the group of user devices. The content delivery network selects a plurality user devices from the group of user devices, divides the content into a crucial portion and a non-crucial portions, and encrypts the crucial portions differently for each of the user devices in the group using conditional access encryption. The content delivery network communicates the non-crucial portions to the plurality of user devices, communicates the encrypted crucial portion to the plurality of user devices separately from the non-crucial. The plurality of user devices assembles the crucial portion and the non-crucial portions to form the content.