Pioneer Corporation

Sanyo Electric Co., Ltd.

Hitachi, Ltd.

Victor Company of Japan, Limited

Sharp Corporation

Fujitsu Corporation

Sharp Kabushiki Kaisha Corporation

Hitachi Global Storage Technologies Japan, Ltd.

Pioneer Display Products Corporation

Jvc Kenwood Corporation

Phoenix Technologies Ltd.

Phoenix Technologies K.k. of Tokyo

Kenichiro Tada

Yoshihiro Hori

Tatsuya Hirai

Takeo Ohishi

Yuichi Kanai

Ryoji Ohno

Akihiro Tozaki

Takayuki Hasebe

Masafumi Tsuru

Tsutomu Takahashi

Kyoichi Terao

Ichiro Miyake

Gaku Yamamura

Yukio Numakami

Kazutomo Watanabe

Masaaki Saito

Yasuyuki Noda

Masayoshi Murayama

Hiroshi Kida

Tsutomu Ohtani

Takashi Aoki

Hiroshi Nakamura

Yoshihiro Okada

Junji Shiokawa

Toshio Suzuki

Jun Kamada

Toshiro Tanikawa

Daisuke Ito

Yukitaka Shimizu

Yasuaki Yamada

Ken Miyagawa

Tomohiro Miura

Kenji Yamagata

Kyotaro Sato

Shinya Hashimoto

Ryunosuke Matsumura

Katunori Iha

There is provided an information recording medium that reduces operation of shifting information backward or putting information forward closer together upon recording/deleting/dividing information to facilitate processes of recording/deleting/dividing information. An information recording medium records Programscomposed of image data, etc., UPGRthat refers to at least a part of the Programs, PGRGthat refers to the UPGR, a PGRM that collectively records the UPGRand reference information thereof, and a PGRGM that collectively records the PGRGand reference information thereof. When recording the UPGR, the information recording medium refers to the reference information contained in the PGRM, and when invalid reference information or reference information giving no reference to any UPGRis present, records the UPGRusing the reference information. When recording the PGRG, the information recording medium refers to the reference information contained in the PGRGM, and when invalid reference information or reference information giving no reference to any PGRGis present, records the PGRGusing the reference information.

Information recording/reproduction device and information recording medium

To provide an information record controlling apparatus which can move and record recorded information more efficiently, and more efficiently administrate move and record. In the information recording and reproducing apparatus, CPUadministrates and controls recorded information, which is constituted by a plurality of information units. Further, the CPUcontrols move and record of the recorded information, which are carried out with respect to each of the information units, on the basis of reproduction able and disable information with respect to each of the information units.

Information record controlling apparatus, information record controlling method, information reproduction controlling apparatus, information reproduction controlling method, information recording medium, information record controlling program, and information reproduction controlling program

A controller of a recording device issues a secure command to a storage device, and then waits the time estimated necessary for the storage device to execute the secure command before issuing the next secure command. When a controller of the storage device is executing the previous command, it notifies the recording device of being in process. When the previous command has been completed normally, the controller moves to the next process. Information for estimating the execution time of the command is obtained from the storage device in advance.

Method and apparatus for encrypting data to be secured and inputting/outputting the same

An information recording apparatus is provided whereby in the reproduction of broadcasting information, the broadcasting information can be recorded so that the combination and so on of contents included in the broadcasting information can be recognized without the need for reproducing the broadcasting information itself. An information recording apparatus for recording broadcasting information constituted of a packet which has a predetermined amount of information and includes different types of contents, each type including one or more contents, the apparatus including a controller. The controllergenerates contents group information based on correlation information which is included in the received broadcasting information and indicates a correlation between the contents, the contents group information including identification information for identifying the relationship between the packet and the content and type information indicating the type of the content, the contents group information indicating a contents group to include the one or more contents, and the controllerrecords the generated contents group information on a hard diskwith the broadcasting information.

Information recording device, information reproduction device, information recording method, information reproduction method, information recording program, information reproduction program, and information recording medium

An information record apparatus includes: a down-convert device for down-converting a first content information having a first reproduction quality (HD) into a second content information having a second reproduction quality (SD) which is lower quality than the first reproduction quality; a scramble device for generating scramble information by scrambling the first content information, on the basis of a predetermined scramble key; and a first record device for recording the second content information and the scramble information into a first record medium.

Scrambling content information in a first recording medium when downgrading the quality of content information for storage on a second recording medium

A technology is provided to improve tamper resistance in encrypting data to be secured and inputting/outputting the data between a recording device and a host device. When the recording device issues an input/output command to a storage device to input/output data to be secured, the recording device attaches an ID to the command to identify to which cryptographic input/output processing the command belongs. Upon reception of a sequence command, the storage device receives the command if its ID has been allocated and the command is verified to have been issued in the correct sequence. The sequence ID is used to identify a process system while appropriately managing the steps of executing commands.

A controller in a hard disk serving as a data storage device stores a license including a content key for decrypting encrypted content data E and others in a secure data storage portion. The license is managed in the secure data storage portion in accordance with a LBA, and the LBA for storing the license, which is being processed for transmission, is stored as a log in a log memory of the secure data storage portion. When a failure occurs during the transmission processing, the license, which was being processed for transmission, is specified based on the LBA stored in the log memory.

Data storing device for classified data

A data storage device includes a secure data storage portion including a log memory. The log memory is formed of a plurality of banks, and stores history information in the plurality of banks in a ring-like fashion. The plurality of banks are designated by addresses (0&#x2212;(N&#x2212;1)), respectively. Each of the items of the history information respectively stored in the banks includes a management number region, a license ID (LID) region, a Ksregion, an STregion, an STregion, a KPcmy region and a LBA region.

Data storage device capable of storing multiple sets of history information on input/output processing of security data without duplication

A first data-recording device () includes a network interface, a recording unit, and a group recording reservation notifying unit. The network interface acquires a group recording reservation instruction containing a recording reservation data and requesting that a recording reservation be set. The recording unit sets the recording reservation in accordance with the recording reservation data contained in the group recording reservation instruction that the network interface has acquired. The group recording reservation notifying unit distributes data same as the recording reservation data, to a second data-recording device () or a third data-recording device () through a network ().

Data-processing device, system thereof, method thereof, program thereof, and recording medium storing the program

A navigation system has a navigation apparatus mounted on a vehicle, and a computer apparatus which is connected with the navigation apparatus to enable to communicates with the navigation apparatus. When the navigation apparatus receives route search information including recommended-route information from the computer apparatus, the navigation apparatus transmits a notice of completion of reception to the computer apparatus, generates traveling route information of the vehicle which moves on the basis of the route search information, and transmits guidance result information to the computer apparatus. The computer apparatus transmits recommended-route information which is generated on the basis of a predetermined algorithm, to the navigation apparatus, receives from the navigation apparatus the reception completion notice and the guidance result information including the traveling route information of the vehicle, and modifies the algorithm on the basis of the recommended-route information and the traveling route information.

Navigation system

An information recording apparatus is provided which can record broadcasting information so as to accurately identify and reproduce broadcasting information to be reduced while increasing convenience in reproducing the broadcasting information. Time control is performed during reproduction in allocation units ALU based on the receiving time of the first packet and the receiving time of the last packet in the allocation unit ALU included in the broadcasting information. The allocation unit ALU includes a plurality of packets. Time control is performed also in access units, each of which includes an I picture, based on the display time information or the receiving time information of the I picture included in the packet.

An information editing apparatus is provided which can prevent a thumbnail image, which shows the contents of recorded information recorded on an information recording medium, from being accidentally changed by a misoperation of the user. The information editing apparatus includes a deciding devicefor deciding whether a thumbnail image can be changed or not based on change permission information, which indicates whether a change can be made on the thumbnail image showing the contents of recorded information recorded on a recording medium. When the deciding devicedecides that a change is not permitted, a change of the thumbnail image is prohibited.

Information edition device, information edition method, information edition program, and information recording medium

An apparatus for recording and reproducing information which can expand a ring buffer area in a recording medium. In an apparatus for recording and reproducing information in which a ring buffer area where an information signal is circulatively recorded and reproduced and a memory area where the information signal is permanently stored are formed on a recording medium, wherein a recorded position of the information signal is set as an extension area of the ring buffer area in response to an erasing command for erasing the information signal recorded in the memory area.

Apparatus for recording and reproducing information onto and from a recording medium having a ring buffer area

An information processing apparatus capable of running properly, with automatically executing a backup OS program or a default OS program, from an automatic judgment in a case that a current OS program does not run properly, in which a state flag is disposed in a flash ROM in order to indicate whether or not the current OS program runs properly at the previous time, and a state of the state flag is checked when the current OS program is executed, the current OS program is executed in the case that the current OS program runs properly at the previous time, and the backup OS program is executed in the case that the current OS program does not run properly at the previous time.

Information processing apparatus and method

An information recording and reproducing apparatus with a ring buffer which can expand a ring buffer area on a recording medium. In response to the extension command operation, an extension start point is obtained based on a current recording position in the ring buffer area, an empty area on the recording medium is set as an extended area in the ring buffer area, and the extended area is set as a target of recording and reproduction next to an area which ends at a position just before the extension start point.

Information recording and reproducing apparatus

Growing community of inventors

Tokorozawa, Japan

Kenichiro Tada