Management server, management method, management system for downloading of contents, and mobile devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 30, 2013
Grant Date -
Apr 21, 2011
app pub date -
Jun 21, 2010
filing date -
Sep 29, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A receiver is configured to receive, from a mobile device of a first type adapted to read a content from a recording medium and run the content, a first device identifier identifying the mobile device of the first type and a recording medium identifier identifying a recording medium loaded in the mobile device of the first type, along with a digital signature generated in the mobile device of the first type using an encryption key secretly stored in the mobile device of the first type. A signature verification unit is configured to verify the authenticity of the digital signature. A voucher issuance unit is configured to issue a voucher to a mobile device of a second type adapted to acquire a content by downloading the content and to run the content accordingly and mapped into the mobile device of the first type, so that the mobile device of the second type is capable of downloading a content.
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