Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate
2004-12-17
2008-11-11
Gary, Erika A (Department: 2617)
Telecommunications
Radiotelephone system
Security or fraud prevention
C455S411000, C455S558000, C455S418000
Reexamination Certificate
active
07450929
ABSTRACT:
A UIM12stores a phone number of a user and authorization information for content owned by the user. A management device14stores correspondence information showing correspondence between a user and content owned by the user. When a content provider deletes from management device14correspondence information containing content to be disabled, authorization information corresponding to the content is deleted from UIM12. When a user deletes from UIM12authorization information for content which is no longer in use, correspondence information for the content is deleted from management device14.
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Kamiya Dai
Washio Satoshi
Yamada Kazuhiro
Brinks Hofer Gilson & Lione
Gary Erika A
NTT DoCoMo Inc.
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