Patent application number | Description | Published |
20110093715 | Management Server, Management Method, Management System for Downloading of Contents, and Mobile Devices - A receiver is configured to receive, from a mobile device of a first type adapted to read a content from a recording medium and run the content, a first device identifier identifying the mobile device of the first type and a recording medium identifier identifying a recording medium loaded in the mobile device of the first type, along with a digital signature generated in the mobile device of the first type using an encryption key secretly stored in the mobile device of the first type. A signature verification unit is configured to verify the authenticity of the digital signature. A voucher issuance unit is configured to issue a voucher to a mobile device of a second type adapted to acquire a content by downloading the content and to run the content accordingly and mapped into the mobile device of the first type, so that the mobile device of the second type is capable of downloading a content. | 04-21-2011 |
20110213986 | Method for Activating Content and Content Reproduction Apparatus - A firmware verification section verifies whether a firmware for controlling the activating of contents has been falsified or not, prior to the activating of the contents; a decoding key setting section sets a key to the firmware; the key is used to decode an encrypted activation program for activating the contents, when the firmware has not been falsified; and an activation program decoding section decodes the encrypted activation program by using the firmware with the key set to the firmware. | 09-01-2011 |
20110302662 | CONTENT PROTECTION SYSTEM - Provided is a content protection system, in which: a user terminal judges, when a content is to be reproduced or executed, whether or not the user terminal has a usage right of the content, and makes, if it is judged that the user terminal does not have the usage right of the content, a request to a license management apparatus to acquire the usage right of the content; the license management apparatus generates, when the request to acquire the usage right is received from the user terminal, license information containing information on an expiration date that is set based on a timing when the request is received, and transmits the generated license information to the user terminal; and the user terminal judges that the user terminal has the usage right of the content until the expiration date indicated by the license information received from the license management apparatus arrives. | 12-08-2011 |
20120191765 | Information Processing Apparatus - A game recording medium records game files each containing at least a game program and configuration information with which to identify a data file usable by the game program. A recording medium records data files. An acquisition unit acquires the configuration information from the game recording medium, and a search unit searches the recording medium for the data file usable by the game program, based on the acquired configuration information. When a data file is detected, a copying unit copies the detected data file to the game recording medium. | 07-26-2012 |