136results about "Copying/moving digital data" patented technology

An information terminal according to this invention includes a storage means having a first storage area which is accessible from an external terminal, and a second storage area which is inaccessible from the external terminal. Content which includes a content body and rights information indicating a use condition given to the content body is acquired. The acquired content is encrypted and the encrypted content is stored in the first storage area. In addition, state management information used to manage the variable state of the use condition given to the content body is generated on the basis of the rights information included in the acquired content, and the generated state management information is stored in the second storage area.

In an operation to record information played back from a first recording medium into a second recording medium, control is executed to permit or prohibit the operation to record (dub or copy) the information into the second recording medium on the basis of a judgment as to whether the first recording medium is a recording medium that is permitted to be dubbed or prohibited from being dubbed. The control can be executed to permit or prohibit the operation to copy the information in accordance with the type of the first recording medium.

An audio / video information recording and reproducing apparatus and method are provided, in which a post-recording function can be realized on an optical disc easily even with an inexpensive disc drive having a seek time at a relative low speed. In the case of recording a video file, the video file is recorded on an optical disc continuously for a period of time related to three times or more the seek time. Then, in the case of recording an audio for lip-sync, the audio for lip-sync is recorded continuously by a predetermined data size, and simultaneously, the recorded video file is reproduced, whereby real-time continuous reproduction and recording are performed simultaneously. Because of this, in the case of reproducing the audio for lip-sync, simultaneous reproduction of a video file and an audio file can be assured.

Disclosed are a method and apparatus for storing digital content in a storage device. A content key, which is a key used by a host for encrypting content when the content is stored to a storage device connected to the host, is encrypted by using a storage key of the storage device. The encrypted content key and encrypted content are stored in the storage device, and the host only stores storage keys. Thus, quantity of information maintained by the host can be reduced. Also, when a storage key is stored in a portable security component (PSC), portability and mobility of content bound to a single host may be improved.

A library of a PC is easily synchronized with recorded contents of a disc loaded into a recording and reproducing apparatus (PD). The PC has a dynamic group and a database. Contents of the dynamic group are, dynamically changed. The dynamic group is correlated with the ID of the disc on which the contents of the dynamic group have been recorded. When the CP and the PD are connected, the ID of the disc loaded into the PD is read. The database is referenced for the ID of the disc. When there is a corresponding dynamic group, the dynamic group is compared with the recorded contents of the disc. Contents that exist in the dynamic group and that do not exist on the disc are checked out to the disc. In contrast, contents that exist on the disc and that do not exist in the dynamic group are checked in to the PC. In addition, the reproduction order of contents of the dynamic group is reflected to contents of the disc. The user can synchronize the recorded contents of the disc with the library of the PC only by connecting the PC and the PD.

The present invention relates generally to a multiple deck multimedia device suitably seamless, that is, transparent to the user, through its interconnection, control, signal routing, multimedia content management, and the like. For example, in accordance with one aspect of the present invention, the multimedia device enables viewing, listening, multimedia searching and fetching, and similar functions while simultaneously providing the ability to record and / or store other multimedia content through a single user interface. Additionally, while the following description is directed to a dual DVD and VCR, in accordance with various alternative embodiments of the present invention, the multimedia device may suitably comprise other sources of multimedia content delivery systems. For example, various analog and / or digital systems including hard disk drives, magnetic tape, alternative optical media, solid state memory and other removable or fixed media may be used. Likewise, any number of these decks may be included into the multimedia device.

In a limited-copy protection scheme, a check-out / check-in system is configured to a) verify that the receiving device is a certified conforming device, and b) verify that the device that checks-in content material is the same device that checked-out the content material. The verification of the receiving device is effected via a conventional certification process. The verification that the same device is used for check-in and check-out is effected via a secure challenge-response protocol. As contrast to a conventional contemporaneous challenge-response protocol, the system provides a challenge that is specific to the receiving device when the content material is checked-out, and verifies the appropriate response when the content material is checked-in. Because the challenge-response is specific to the receiving device, only the device that receives the challenge when the content material is checked-out can provide the appropriate response when the content material is checked-in.

The combination recorder and player system includes a recorder / player unit and a remote control unit. The recorder / player unit includes a recorder / player computer system and recorder / player software that is operable to cause the recorder / player to record, play, and burn CDs. The remote control unit includes a remote control computer system and remote control software that can be used to control the recorder / player unit. The system can be used to automatically copy all of the audio on CDs into memory on the recorder / player, to control multiple pieces of audio and video equipment, and to download and store new music from the Internet.

A transfer apparatus for transferring data which achieves balancing in profit and loss between a proprietor of copyright and a user includes an instruction section for providing an instruction of a transfer rate, a transfer control section for variably using one of various transfer control methods for data in response to the transfer rate of the instruction provided by the instruction section, and a billing control section for changing the transfer control method by the transfer control section in response to billing processing performed by a user of the transfer apparatus.

Provided is a method of preventing digital content from being used despite the presence of copy control information. In the method, a security apparatus capable of restricting use of contents generates a nonce with respect to a storage device and stores the nonce in the storage device and a memory separated from the storage device when content is stored in the storage device; updates the nonces stored in the memory and storage device when movement of the content occurs; and permits use of the content only when the nonce of the storage device, which is stored in the memory, is equal to the nonce stored in the storage device if the content is requested for use, thereby preventing a disk cloning attack.

Charging in a reasonable manner for a fee regarding an information recording apparatus recording information into a recording medium. Information received through a tuner or reproduced through a digital reproducing section is converted by a format conversion circuit, supplied to a digital, an analog or a memory card type recording and reproducing section where dubbing is carried out. Such information can be also stored in a storage medium such as a HDD and then supplied and dubbed in the pertinent recording and reproducing section. When the recording medium containing recorded information is unloaded, charging is done through a charging section. Once unloaded, the recording medium can be easily taken out and used, thus such a convenience can be charged as well. In addition, the charging can be done corresponding to a number of recording media containing recorded information. Furthermore, a user can verify whether recording has been carried out properly, before charging.

A portable recording and reproducing apparatus has a power supply unit configured to receive a direct current from an external power supply device C and charge a built-in battery with the direct current to supply electricity to respective units, an input unit configured to receive an instruction signal for instructing acquisition of content information from the external power supply device, a recording unit configured to record the content information in a recording area, a communication unit configured to communicate with an external device so as to acquire content information, and a control unit configured to, when receiving the instruction signal from the input unit, control to request the external device to transfer the content information through the communication unit, acquire the content information, record the content information in the recording unit, and read out and reproduce the content information from the recording unit.

A content storage apparatus may include a receiving unit adapted to receive a content and service information associated with the content, a storage unit including at least a first storage area and a second storage area, adapted to store the content received by the receiving unit, and a controller adapted to determine one of the storage areas as a storage area for storing the content, in accordance with at least the service information received by the receiving unit.

A recording / reproducing device, enabling transfer (move process) of a content any number of times between devices while keeping the most appropriate high image quality for each device in compliance with copyright protection, includes a content management unit (13) for managing the content data so as to make reproduction of the content data in a recording / reproducing unit (5) impossible simultaneously with transfer when the content data, from which copying is prohibited, is transferred to an external device, and managing the content data in the recording / reproducing device so as to enable the reproduction of the content data in the recording / reproducing device if the content data transferred from the external device has been transferred from the recording / reproducing device to the external device and is now in an irreproducible state in the recording / reproducing device.

A data recording apparatus recording data of a CD on an HDD in a manner such that the content of record in the CD is faithfully accounted for and shortening an operation time for a synchronized ripping operation. When the data recording apparatus reads, from the CD, track data managed by track, according to TOC, and records the track data onto the HDD, the data recording apparatus recognizes data unrecorded on the HDD, from among the track data recorded on the CD. This recognition process is automatically performed based on the TOC read from the CD, and album information replayed using the TOC and held by the HDD. The recording apparatus reproduces and outputs only the unrecorded data from the CD based on the recognition result concerning the unrecorded data. In this way, the data already recorded on the HDD is not transferred from the CD to the HDD. The operation time for the synchronized ripping operation is reduced accordingly.

Data is stored in a hybrid drive that includes a magnetic storage medium and a non-volatile solid-state device using a temperature-defined data-storage policy. According to the temperature-defined data storage policy, the drive can perform operations for modulating the temperature of the drive, minimizing increased wear on memory cells in the non-volatile solid-state device, and / or preventing data stored in the non-volatile solid-state device from being lost.

A content processing apparatus includes a read unit which reads encrypted key information from a recording medium, a decryption unit which decrypts the encrypted key information with a device key and dynamic information to obtain key information containing content keys, an update unit which updates the dynamic information, a key information processing unit which updates the key information by extracting a content key corresponding to a move target content from the key information, and removing the content key from the key information, a first encryption unit which encrypts the updated key information with the device key and the updated dynamic information, a second encryption unit which encrypts the content key with a shared key, and a write unit which overwrites the updated encrypted key information on the encrypted key information in the medium and writes the encrypted content key in the medium.

An information terminal according to this invention includes a storage means having a first storage area which is accessible from an external terminal, and a second storage area which is inaccessible from the external terminal. Content which includes a content body and rights information indicating a use condition given to the content body is acquired. The acquired content is encrypted and the encrypted content is stored in the first storage area. In addition, state management information used to manage the variable state of the use condition given to the content body is generated on the basis of the rights information included in the acquired content, and the generated state management information is stored in the second storage area.

The time necessary for dubbing of a bit stream is reduced. A high speed dubbing apparatus includes: a read section (20) for reading a bit stream conforming to a DVD-VR standard from a first storage device (10), and outputting the bit stream; a first buffer (30) for storing an output from the read section (20) and outputting a bit stream; a navigation pack generator (40) for replacing a real time data information pack in the bit stream output from the first buffer (30) with a navigation pack, and outputting a resultant bit stream; a second buffer (50) for storing an output from the navigation pack generator (40) and outputting a bit stream; and a write section (60) for converting the bit stream output from the second buffer (50) into a bit stream conforming to a DVD-video standard, and writing the resultant bit stream in a second storage device (70). At least two of the read section (20), the navigation pack generator (40) and the write section (60) operate in parallel.

A system and method for performing data backup of a digital video recorder determines if a second safe mechanism key stored in a secure digital (SD) card is valid when the SD card is detected by the digital video recorder, and changes a data storage path from a first hard disk of the digital video recorder to the SD card if the safe mechanism key stored in the SD card is valid. The system and method further changes the data storage path from the SD card to a second hard disk when the second hard disk is installed, and copies backup data stored in the SD card to the second hard disk.

When audio dubbing is implemented, error correction is performed for each ECC block. Therefore, even when one byte of data in an ECC block is rewritten, the whole ECC block to which the byte belongs needs to be read and rewritten. When audio dubbing data is scattered in ECC blocks, almost all ECC blocks, or all the data needs be rewritten in order to record audio dubbing data. By constructing ECC blocks including audio dubbing data so as not to contain original data, it is no longer necessary to read and rewrite unnecessary original data when audio dubbing data is overwritten.

There is disclosed in embodiments herein a digital media content duplication system and method that allows digital media data to be duplicated to one or more destinations and verified. In one embodiment, the system may comprise multiple servers and multiple database structures; providing storage, management. processing, coordination, and tracking of the digital media content and the duplication process.

A system for checking the consistency between a digital video master and a duplicate video. Both the digital video master and the duplicate digital video have digital data, the digital data composed of a plurality of data segments. A loader module receives the digital data of the digital video master and the duplicate digital video. A comparison module then retrieves the digital data of the digital video master and the duplicate digital video and performs a data segment by data segment comparison between the digital data of the digital video master and the digital data of the duplicate digital video. The comparison module indicates any discrepancies between the digital video master and the duplicate digital video.

The present invention achieves an electronic device that, when copying video data from a high-capacity recording medium to a plurality of low-capacity recording media, prevents the video data from being divided at an unnatural position. With this electronic device, if the amount of space remaining in a copy destination recording medium is less than the size of the scene to be copied, the scene data is copied into a different copy destination recording medium in the case where the amount of time of the scene data that can be copied into the copy destination recording medium is less than or equal to a predetermined amount of time.

A dubbing apparatus to dub data managed per program like audio data such as a piece of music is provided. In the dubbing apparatus, for passing output data read from a CD through a CD drive for compression of the data and transferring the compressed data for recording to an HD drive, an HD TOC being breakpoint information is generated based on specified information indicative of a track break of output data read from the HD drive. The HD drive generates a FAT based on the HD TOC. In the HD drive, the dubbed data can be managed per track accurately and properly without having to monitor any information indicative of each track break such as sub Q data synchronously with a stream of dubbing data.