New patents are issued by the USPTO on Tuesdays. Both of today's Spotlight Patents concern aspects of digital rights management. Assigned to Hitachi, the first of today's patents addresses a digital rights management system that includes a storage module that stores a usage right for digital content in a tamper-resistant portion of a memory. Assigned to Toshiba, the second patent addresses an electronic device and method of transmitting a content item.
10,089,704, "Digital rights management system," assigned to Hitachi Global Storage Technologies Netherlands B.V.
Disclosed herein is a digital rights management system that includes a storage module that stores a usage right for digital content in a tamper-resistant portion of a memory. The system also includes a flag status module that generates a flag corresponding with a transfer status of the usage right, sets the flag to one of a plurality of transfer statuses, and stores the flag in the tamper-resistant portion of the memory. The transfer statuses include a status indicating a request for the usage right was generated by a device with a usage right recovery mechanism.
10,091,173, "Electronic device and method of transmitting content item," assigned to Kabushiki Kaisha Toshiba (JP).
According to one embodiment, an electronic device includes a content transmitter. The content transmitter is configured to output a content item including first data and second data to one transmission path, by applying a first copyright protection system to copyright protection of the first data and applying a second copyright protection system to copyright protection of the second data. The first copyright protection system involves encryption of data to be copyright-protected. The second copyright protection system involves no encryption of data to be copyright-protected.