| 摘要 |
A method and a user device ( 1 ) for projecting a data file through a user device ( 1 ) are disclosed. The user device ( 1 ) has a reproducing device ( 1.7 ), means for identifying the user device ( 1 ) in a mobile radio network ( 5 ), and biometric recording means. The user is authenticated with the transmitted biometric data in a remote server ( 7 ) and downloads a data file to be projected or a key for decrypting a data file from the remote server ( 7 ) over the mobile radio network ( 5 ) in the user device ( 1 ). With the reproducing device ( 1.7 ) integrated in the user device ( 1 ), the data file or presentation is reproduced. The invention also concerns the disclosed user device ( 1 ).
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