Pre-Grant Publication Number: 20070136608
Filing Date: December 06, 2020
Inventors: Darko Kirovski, Kamal Jain
Assignee(s): Microsoft Corporation
Current U.S. Classification: 713, 713/193000
View Prior Art for Claim 00020
The media player as recited in Claim 18, wherein the off-line media distribution engine includes a transaction engine: to perform secure off-line negotiation of prices for media contents to be bought and sold; to perform secure off-line sending and receiving of purchase requests for media contents; to perform secure off-line sending and receiving of transaction receipts for media contents bought and sold; and to perform secure off-line acknowledgement of received receipts; wherein a buyer possessing a receipt for an off-line purchase of the media content can immediately download the media content from the seller or from a service provider, and a seller possessing an acknowledgment of a receipt received by the buyer can immediately be credited with the second percentage of the sale price.