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:
Nov. 17, 2009
Filed:
Apr. 15, 2005
Richard D. Prologo, Sammamish, WA (US);
Eduardo P. Oliveira, Redmond, WA (US);
Clifford P. Strom, Sammamish, WA (US);
Brian P. Evans, Redmond, WA (US);
Benjamin Brooks Cutter, Kirkland, WA (US);
Anand D. Paka, Bellevue, WA (US);
Richard D. Prologo, Sammamish, WA (US);
Eduardo P. Oliveira, Redmond, WA (US);
Clifford P. Strom, Sammamish, WA (US);
Brian P. Evans, Redmond, WA (US);
Benjamin Brooks Cutter, Kirkland, WA (US);
Anand D. Paka, Bellevue, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
A method of registering network devices in a digital rights management system (DRMS) includes receiving a digital certificate transmitted by the network device requesting registration and verifying the validity of the certificate. The DRMS may then send cryptographic information to the applying network device. The network device may be authorized for registration via a user interface to the DRMS. The DRMS may conduct a proximity test to determine of the network device is proximate to the DRMS. If the certificate is validated, authorization is received, and the proximity test indicates that the network device is proximate to the DRMS, the network device may be registered. A registered network device is then authorized to play protected digital content.