Portable music player with pay per play usage and method for...

Registers – Systems controlled by data bearing records – Credit or identification card systems

Reexamination Certificate

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Details

C235S379000, C235S2010FS, C235S381000, C235S383000

Reexamination Certificate

active

06974076

ABSTRACT:
A portable content playback device that includes the ability to accept a media with electronic playback credits, i.e. a smart card, that is pre-loaded with credits. Alternatively, the device may have internal memory that is capable of storing electronic credits. Consequently, when a user plays the content that is protected so that it may only be played only in a “pay per play” application credits are deducted from the media that manages the amount of electronic credits available to the user.

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