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:
Jul. 03, 2007
Filed:
Dec. 10, 2003
Sean S. Kelley, Hoffman Estates, IL (US);
William P. Alberth, Jr., Crystal Lake, IL (US);
Brian K. Classon, Palatine, IL (US);
Dah-lain Almon Tang, Naperville, IL (US);
Sean S. Kelley, Hoffman Estates, IL (US);
William P. Alberth, Jr., Crystal Lake, IL (US);
Brian K. Classon, Palatine, IL (US);
Dah-Lain Almon Tang, Naperville, IL (US);
Motorola Inc., Schaumburg, IL (US);
Abstract
A method and apparatus for broadcast services transmission and reception. Reception of a broadcast multicast transmission is requested. Preliminary short time updated key information is transmitted or received prior to transmitting or receiving a broadcast subscription key for the requested broadcast services transmission. An encrypted broadcast services transmission is transmitted or received. The encrypted broadcast services transmission is encrypted or decrypted using the preliminary short time updated key information.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile