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US 2006/0080260 A1Published application
System and method for digital content rights management on portable storage devices
OwnerTien-Fu Chen, Jui-Lung Shihinventors
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OwnerTien-Fu Chen, Jui-Lung Shihinventors
Estimating the term…
Disclosed is “System and Method for Digital Content Rights Management on Portable Storage Devices.” Due to the fact that digital content will some become the master industry in the future, a new usage rights management is needed, especially for those storage media such as portable PDA or handy flash. In conventional methods, the network has to be kept alive for determining the license validation. Conversely, the new method only needs to connect to Internet when downloading the digital content that was chosen. The digital content with personal identification and usage rights are encrypted. Henceforth, the digital content is prevented from illegal usage such as copy and unauthorized read. By the usage rights management, several kinds of limitations are defined for being operated in combination with each other, to generate various usage permissions while the overall system is easily managed. This invention is platform independent and suitable for different kinds of portable storage devices.
A method for managing usage rights of digital content, including the steps of:
The method for managing usage rights of digital content as claimed in 1, the digital content provider includes an authorization and transaction mechanism for the user to download the digital content, and the authorization and transaction mechanism requires the user's and the device's unique information.
The method for managing usage rights of digital content as claimed in 2, wherein a program driver writes user's unique information, device's unique information, and control flags when writing the downloaded files to portable storage devices, and wherein the writing information contains the timestamp for checking the usage rights later.
The method for managing usage rights of digital content as claimed in 3, wherein the portable storage device contains a microprocessor and a timer for computing the usage rights of the digital content.
The method for managing usage rights of digital content as claimed in 3, further including the steps of:
The method for managing usage rights of digital content as claimed in 4, wherein the decrypted digital content can be played/viewed by all kinds of players/viewers.
Usage rights provided by a system for digital content rights management on portable storage devices, including:
The usage rights as claimed in 7, wherein the user chooses any number of the usage rights before downloading files from a digital content provider.
The usage rights as claimed in 8, wherein the user pays for the chosen number of usage rights after choosing the desired usage rights based on different price tags designated to respective usage rights.
Dependencies are inferred from the claim text.