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:
Apr. 09, 2013
Filed:
Apr. 11, 2007
Raynold M. Kahn, Los Angeles, CA (US);
Peter M. Klauss, Torrance, CA (US);
Raynold M. Kahn, Los Angeles, CA (US);
Peter M. Klauss, Torrance, CA (US);
The DIRECTV Goup, Inc., El Segundo, CA (US);
Abstract
A communication systemincludes a group of user devices, a first satelliteand a content delivery networkin communication with the group of user devices. The content delivery networkcommunicates encryption-decryption information to the plurality of user devices using the first satelliteand encrypts the content in response to the encryption-decryption information. The content delivery networkcommunicates the content to the plurality of user devices separately from the encryption-decryption information. The plurality of user devicesdecrypts the content in response to the encryption-decryption information. A control word packet may also be used to convey security information to the user devices so that decryption may be performed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile