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00005
Pre-Grant Publication Number: 20070136608
Off-line economies for digital media
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 00005
The method as recited in
Claim 3
, wherein the second media playback device verifies the transaction receipt using a public key of the first media playback device.
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Claims (22)
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Discussion (24)
Prior Art (7)
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