Patent application number | Description | Published |
20080239909 | Recorder/Reproducer and Content Data Protection System - The recorder/reproducer ( | 10-02-2008 |
20080240673 | PLAYBACK APPARATUS, PLAYBACK METHOD, DISTRIBUTION SERVER, DISTRIBUTION METHOD, RECORDING MEDIUM AND INTEGRATED CIRCUIT - The present invention aims at providing a playback apparatus that performs playback control so as to prevent, in playback of content recorded on a recording medium, a decline of the value of the recording medium and content. | 10-02-2008 |
20080260161 | Terminal Device and Copyright Protection System - To provide a terminal device with which, even if content that has undergone conversion is moved to another device, the content before the conversion can be used when moving the content from the device which is a move destination of the content back to a move source of the content. The terminal device stores the content in advance, applies an irreversible conversion which causes a decrease in quality to the content to generate converted content, and writes the converted content to a storage medium. The terminal device encrypts a block in the content using an encryption key to generate an encrypted block, replaces the block in the content with the encrypted block, and writes the encryption key to the storage medium. | 10-23-2008 |
20080310628 | Backup Management Device, Backup Management Method, Computer Program, Recording Medium, Integrated Circuit, and Backup System - To provide a backup management device that deletes a content so as to be restorable in the future while protecting a copyright of the content, in a case where there exists a backup of the content. In an HD recorder | 12-18-2008 |
20090097641 | MANAGEMENT-APPARATUS CARD, MEASURING APPARATUS, HEALTH CARE SYSTEM, AND METHOD FOR COMMUNICATING VITAL SIGN DATA - The management-apparatus card capable of being attached to a management apparatus receives, from the measuring apparatus, first unique information indicating the measuring apparatus, and identification information indentifying a user of the measuring apparatus; stores second unique information indicating the management-apparatus card; generates a decryption key corresponding to an encryption key, using the first unique information, the second unique information, and the identification information; stores the generated decryption key; receives encrypted vital sign data from the measuring apparatus; decrypts the received vital sign data using the stored decryption key; and obtains the decrypted vital sign data. | 04-16-2009 |
20090099967 | HEALTH CARE SYSTEM, KEY MANAGEMENT SERVER AND METHOD FOR MANAGING KEY, AND ENCRYPTING DEVICE AND METHOD FOR ENCRYPTING VITAL SIGN DATA - Provided is a health care system including a key management server that receives from a server a request for a decryption key, with first identification information identifying a measuring apparatus, second identification information identifying vital sign data, and third identification information identifying the server. The key management server generates the decryption key using the first identification information, and stores fourth identification information identifying a server predetermined as a destination of the decryption key, and fifth identification information indicating the category of the vital sign data in correspondence with the fourth identification information. The key management server transmits the decryption key to the server, when the received third identification information matches the fourth identification information, and the received second identification information matches the fifth identification information. | 04-16-2009 |
20100034513 | INFORMATION BURYING DEVICE AND DETECTING DEVICE - The present invention provides an information embedding apparatus that is capable of preventing playback stop of a content that has been shot without intention of misuse. The information embedding apparatus comprises: an acquisition unit operable to acquire the content that is played back along the playback time-line; a watermark generating unit operable to generate the watermarks such that values held by the watermarks vary according to a first rule, the first rule showing that the values should vary according to a sequential order on the playback time-line; and an embedding unit operable to embed two or more of the watermarks into the content while keeping the sequential order. | 02-11-2010 |
20100118675 | RECORDING AND REPRODUCTION APPARATUS, REPRODUCTION APPARATUS, AND HOST APPARATUS - It is an object of the present invention to provide a universal drive capable of recording and reproducing high-image quality contents on and from various media, such as BD, HD-DVD, DVD and others according to the AACS. The drive ( | 05-13-2010 |
20100223477 | CONTENT REPRODUCING DEVICE, CONTENT REPRODUCING METHOD, RECORDING MEDIUM, AND INTEGRATED CIRCUIT - A content playback apparatus (digital watermark detection apparatus) comprises: a detection unit operable to detect a digital watermark from audio data having a plurality of blocks, the audio data being contained in a content which is to be played back along a playback time-line; a detected block storage unit for storing therein information indicating a block in which the digital watermark has been detected by the detection unit; and a playback control unit operable to play back all data contained in the content other than audio data corresponding to the block indicated by the information stored in the detected block storage unit. This makes it possible, even when audio data containing copyright information is inadvertently recorded on a camcorder, to prevent the audio data containing the copyright information from being played back, thereby enabling users to view the content without the influence of playback control. | 09-02-2010 |
20100229069 | DRIVE DEVICE, CONTENT REPRODUCTION DEVICE, RECORDING DEVICE, DATA READOUT METHOD, PROGRAM, RECORDING MEDIUM, AND INTEGRATED CIRCUIT - A drive device is provided to promote copyright protection by preventing playback of copied contents, even if unique identification information on a recording medium, used to generate title keys for decrypting encrypted contents, is revealed, and the contents are independently encrypted and copied using this identification information. Identification information unique to a recording medium | 09-09-2010 |
20100275036 | RECORDING/REPRODUCING SYSTEM, RECORDING MEDIUM DEVICE, AND RECORDING/REPRODUCING DEVICE - A memory card and a recording/playback device are provided that are capable of deterring a memory card manufacturer from illicitly storing a same media ID on a plurality of memory cards. A memory card ( | 10-28-2010 |
20100281263 | RECORDING DEVICE, SERVER DEVICE, RECORDING METHOD, RECORDING MEDIUM WITH COMPUTER PROGRAM RECORDED THEREIN AND INTEGRATED CIRCUIT - A recording device for recording one or more of a plurality of subcontents recorded on a first recording medium, onto a second recording medium, the first recording medium having further recorded thereon digest values of the subcontents, and a medium signature generated based on the digest values of the subcontents, the plurality of subcontents constituting one content, the recording device comprising: a subcontent acquisition unit operable to select and acquire one or more of subcontents permitted to be copied; an excluded digest value acquisition unit operable to acquire excluded digest values from the first recording medium, the excluded digest values being digest values of nonselected subcontents; a signature acquisition unit operable to acquire the medium signature from the first recording medium; and a write unit operable to write, onto the second recording medium, (i) the one or more selected subcontents, (ii) the excluded digest values, and (iii) the medium signature. | 11-04-2010 |
20110222691 | RECORDING SYSTEM, PLAYBACK SYSTEM, KEY DISTRIBUTION SERVER, RECORDING DEVICE, RECORDING MEDIUM DEVICE, PLAYBACK DEVICE, RECORDING METHOD, AND PLAYBACK METHOD - To protect rights of a copyright owner of digital content, technology is required to prevent digital content on a recording medium from being copied onto another recording medium and played back. A key distribution server securely receives a media unique key from a recording medium device, generates a first title key different for each content, encrypts the generated first title key with the media unique key, encrypts the content with the first title key, and transmits the encrypted first title key to the recording medium device and the encrypted content to the recording device. The recording device securely receives the encrypted content from the key distribution server and the first title key and a second title key from the recording medium device, decrypts the encrypted content with the first title key, encrypts the decrypted content with the second title key, and transmits the encrypted content to the recording medium device. | 09-15-2011 |
20120154419 | IMAGE OUTPUT DEVICE, IMAGE OUTPUT METHOD, AND IMAGE DISPLAY APPARATUS - An image output device includes a receiving unit which receives first input information including position information indicating a position on a display image, an attribute information selecting unit which selects first attribute information corresponding to the position indicated by the position information and is one of pieces of attribute information associated with the displayed image from among the pieces of attribute information, an image selecting unit which selects images having attribute information corresponding to the first attribute information from among images including the displayed image, a display sequence determining unit which determines the display sequence of the images based on the attribute information of each of the images selected by the image selecting unit, and an output unit which acquires and outputs the images such that the selected images are displayed in the determined display sequence on a display device. | 06-21-2012 |
20120197923 | INFORMATION PROCESSING DEVICE, PROCESSING METHOD, COMPUTER PROGRAM, AND INTEGRATED CIRCUIT - An information processing device that attaches common accompanying data to a content group composed of contents. The information processing device acquires the contents, acquires one or more characteristics of each acquired content and searches among reference data items in order to acquire one or more reference data items that each include any of the one or more characteristics, each reference data item having attached thereto at least one attribute used for identifying the reference data item, the reference data items being data other than the contents. The information processing device then specifies, among the attributes attached to the acquired one or more reference data items, an attribute that also pertains to the contents, uses the specified attribute as an attribute for identifying each of the contents, and attaches the specified attribute to each of the contents. | 08-02-2012 |
20130191927 | CONTENT MANAGEMENT DEVICE AND CONTENT MANAGEMENT METHOD - Provided is a content management device for protecting a content of a provider. A content management device | 07-25-2013 |
20130198361 | CONTENT DISTRIBUTION SYSTEM, CONTENT MANAGEMENT SERVER, CONTENT-USING DEVICE, AND CONTROL METHOD - A content management server comprises: a first connection detection unit that detects whether or not the content management server is connected with the content-using device; a content management unit that manages the content according to a result of the detection by the first connection detection unit and holds information on how the content-using device controls the use of the content. A content-using device comprises: a second connection detection unit that detects whether or not the content-using device is connected with the content management server; a second selection unit that specifies a method for controlling the use of the content according to a result of the detection by the second connection detection unit; and a content control unit that controls the use of the content according to the method specified by the second selection unit. | 08-01-2013 |
20130312064 | PROGRAM EXECUTION DEVICE - A program execution device capable of protecting a program against unauthorized analysis and alteration is provided. The program execution device includes an execution unit, a first protection unit, and a second protection unit. The execution unit executes a first program and a second program, and is connected with an external device that is capable of controlling the execution. The first protection unit disconnects the execution unit from the external device while the execution unit is executing the first program. The second protection unit protects the first program while the execution unit is executing the second program. | 11-21-2013 |
20140222922 | CONTENT CONTROL DEVICE, TERMINAL DEVICE, CONTENT CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - A content control device is provided with a receiving content accumulation unit which accumulates contents received from a terminal device connected via a network, an operation history information managing unit which manages operation history information indicative of a history on operations with respect to a first content accumulated in the receiving content accumulation unit, and a content control unit which generates control information for controlling a second content based on the operation history information, the second content corresponding to the first content and accumulated in the terminal device. | 08-07-2014 |
20140380503 | PROGRAM EXECUTION DEVICE - A program execution device capable of protecting a program against unauthorized analysis and alteration is provided. The program execution device includes an execution unit, a first protection unit, and a second protection unit. The execution unit executes a first program and a second program, and is connected with an external device that is capable of controlling the execution. The first protection unit disconnects the execution unit from the external device while the execution unit is executing the first program. The second protection unit protects the first program while the execution unit is executing the second program. | 12-25-2014 |
20150019286 | INFORMATION DISPLAYING METHOD, INFORMATION DISPLAYING SYSTEM, INFORMATION DISPLAYING PROGRAM, AND METHOD FOR PROVIDING INFORMATION DISPLAYING PROGRAM - An information displaying method includes: obtaining, for each of users, usage history information items on one or more appliances used by the user; calculating a utilization characteristic based on a usage history information item on a predetermined appliance among the one or more appliances used by a predetermined user among the users, the utilization characteristic being of the predetermined user using the predetermined appliance, and the usage history information item on the obtained predetermined appliance; obtaining, for each of the user, a post information item posted by the user; and displaying, in association with each other, (i) a utilization characteristic information item on the utilization characteristic calculated in the calculating and (ii) the post information item posted by the predetermined user, the utilization characteristic being of the predetermined user using the predetermined appliance, and the post information item being obtained in the obtaining of a post information item. | 01-15-2015 |
20150026206 | MATCHING METHOD AND MATCHING PROGRAM - A matching method includes: accumulating log information indicating histories of operations performed on devices by users; receiving a request for information regarding use of a first device from an information requester being one of the users and using the first device; analyzing log information of the first device from among the log information accumulated in the accumulating; identifying, as an information provider candidate, at least one of the users using a second device by using the log information of the first device analyzed in the analyzing and log information of the second device being of the same type as the first device; notifying the information provider candidate of the request from the information requester; and notifying the information requester of provided information which is information regarding use of the first device and provided by the information provider candidate in response to the request. | 01-22-2015 |
20150039428 | INFORMATION PROVIDING METHOD AND PROGRAM - Disclosed is an information providing method and so on including: obtaining a use history of a device used by a user for processing on a substance; and providing information according to the obtained use history to the user, wherein the processing on the substance includes a movement of the substance or a change in a temperature of the substance. This allows providing the user of the device with information suitable for the user when the user simply uses a device for doing routine housework, without requiring the user to input information such as search words. | 02-05-2015 |
20150074554 | CONTENT PRESENTATION METHOD AND PROGRAM - A content presentation method includes: obtaining behavior history information of a user; determining a frequency for generating content based on the behavior history information and generating the content at the determined frequency, the content being for interaction with the user made by a device; and presenting the generated content to the user by distributing the generated content. For example, the determining further includes determining a type of the content to be generated based on the behavior history information and generating the content of the determined type. | 03-12-2015 |