James W Reitz

US Patent:

20050060264, Mar 17, 2005

Filed:

Nov 24, 2003

Appl. No.:

10/720651

Inventors:

Christian Schrock - New York NY, US
Brent Ingraham - Seattle WA, US
James Reitz - Seattle WA, US
Oliver Roup - Seattle WA, US
Vladimir Yangurskiy - Redmond WA, US
Eugene Zarakhovsky - Seattle WA, US

International Classification:

H04K001/00
H04L009/00

US Classification:

705051000

Abstract:

A globally relevant playlist presented. A globally relevant playlist includes track references corresponding to a plurality of tracks. Each track reference includes a global track identifier that uniquely identifies the corresponding referenced track among any number of computers or computing devices. A method for playing tracks according to a globally relevant playlist is presented. A track referenced in the playlist is selected. It is determined whether the track is locally accessible according to the global track identifier. If the track is accessible, it is played. If the track is not locally accessible, the track is retrieved from a track source associated with the track and according to the global track identifier. A method for downloading tracks to a player device according to a globally relevant playlist is also presented.

US Patent:

20060036554, Feb 16, 2006

Filed:

Aug 12, 2004

Appl. No.:

10/916722

Inventors:

Christian Schrock - New York NY, US
Yevgeny Zarakhovsky - Seattle WA, US
James Reitz - Seattle WA, US
Oliver Roup - Seattle WA, US
Olivier Garamfalvi - Seattle WA, US

Assignee:

Microsoft Corporation - Redmond WA

International Classification:

H04L 9/00

US Classification:

705075000

Abstract:

Systems and methodologies are provided for a Digital Rights Management (DRM) that permits a service provider implementing DRM (the Service), to distribute and use digital contents to a plurality of devices designated by a user, via employing a registration component and a DRM component. The registration component can associate a user with a particular device among the plurality of devices, and also associate the device with its DRM challenge. The DRM component can issue licenses for content(s) used on the particular device. Such an arrangement facilitates users' ability to roam and use a digital content purchased across a number of devices designated by the user and approved by the Service.