For Copying Patents (Class 369/47.12)
  • Patent number: 9774445
    Abstract: A system and method for re-keying ciphertext on a storage system is resident on a host/client communicating with a storage system. The generation of encryption keys and tracking which storage system blocks are encrypted with what keys remain with the security appliance or storage system, but the policy governing re-keying and initiating actions in accordance with that policy reside with the client/host.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: September 26, 2017
    Assignee: NetApp, Inc.
    Inventor: Rajamohan Gandhasri
  • Patent number: 9064095
    Abstract: A collective content consisting of a plurality of partial contents holding license information including a use condition can be appropriately used according to the use condition contained in the license information in each of the partial contents. A content use control device includes an input/output I/F, license generation unit, output control unit, content reproduction unit, and use control unit. The partial content holding the license information including the use condition is inputted via the input/output I/F. License information is assigned to each of the partial contents inputted and constituting a collective content. Single license information collecting the assigned license information and its collective content are outputted to a recording medium. The content use control device reproduces a partial content contained in the collective content recorded on the recording medium and controls the use of the reproduced partial content according to its use condition.
    Type: Grant
    Filed: May 1, 2009
    Date of Patent: June 23, 2015
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yukitaka Shimizu, Ryoji Ohno, Akio Ichikawa
  • Publication number: 20150049597
    Abstract: User convenience of data whose duplication is restricted and data created by utilizing the data is improved. An information recording device (10) is capable of recoding information onto an RE layer (22) of an optical disk (1), and includes a recording and replay control section (54) for recording, onto the RE layer (32), duplication-restricted information utilization information (32) created by utilizing duplication-restricted information (31) whose duplication onto a different optical disk is restricted.
    Type: Application
    Filed: March 27, 2013
    Publication date: February 19, 2015
    Inventors: Takanobu Sato, Takashi Ariomoto, Yoshihisa Adachi, Hirohisa Yamada
  • Patent number: 8913334
    Abstract: A processing unit performs a method including controlling a reading-out of data from a first storage medium at a predetermined read-out data rate to produce inputted data, and controlling a compression of the inputted data to produce first compressed data of a first compressed format. The method includes controlling a storage of the first compressed data in a second storage medium at a faster writing data rate than the predetermined read-out data rate, controlling a reading-out of second compressed data of a second compressed format from the second storage medium, and controlling a decompression of the second compressed data to produce decompressed data. The method also includes controlling simultaneously the storage of the first compressed data in the second storage medium, the reading-out of the second compressed data from the second storage medium, and audibly reproducing the decompressed data. The first compressed format is different from the second compressed format.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: December 16, 2014
    Assignee: Sony Corporation
    Inventors: Toshiyuki Arai, Takashi Kumagai, Hajime Inai, Hiroaki Sato, Fumitake Yodo, Masami Oyama
  • Patent number: 8837913
    Abstract: According to one embodiment, a copying method including, deriving a first time requested by a process in a first transmission device that interrupts transmission to a copying destination device to transmit a copying object to the copying destination device, detecting a second transmission device that transmits the same copying object to the copying destination device during the process that interrupts transmission to the copying destination device following after interruption point and deriving second time in which the detected device transmits the copying object to the copying destination device, deriving third time in which the copying destination device is set in a non-reception state for the copying object.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: September 16, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yuki Kaneko, Masahiko Okamura
  • Patent number: 8760981
    Abstract: There are provided an optical disc device and its recording/reproducing method for managing the management information about plural optical discs efficiently. In the present invention, the management information about the plural optical discs is stored in a memory. Moreover, the management information about part or all of the optical discs stored in the memory is recorded in the optical disc.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: June 24, 2014
    Assignees: Hitachi-LG Data Storage, Inc., Hitachi Consumer Electronics Co., Ltd.
    Inventors: Yasuo Mutsuro, Yutaka Nagai, Koichiro Nishimura, Masakazu Ikeda, Osamu Kawamae
  • Patent number: 8760982
    Abstract: An information processing apparatus includes: a data processing unit which performs copy processing for recording recorded data of a first medium in a second medium, wherein the data processing unit performs processing for referencing selection information received from a management server, selecting a copy unit having a data form defined as copy permitted data in the selection information from the first medium, and copying the copy unit to the second medium.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: June 24, 2014
    Assignee: Sony Corporation
    Inventors: Yoshiyuki Kobayashi, Tateo Oishi, Kenjiro Ueda, Kazuo Yamamoto
  • Patent number: 8665680
    Abstract: A recording/reproducing apparatus, for producing a virtual disc independent upon a host PC, and for managing virtual discs with an easy operation, comprises a CPU 100, a memory 101, a storage I/F 102, an external I/F 103, a device portion (DP) controller portion 201, a virtual device portion (VDP) controller portion 202, a virtual serial ATA 601, a virtual ATAIP 602, and at least two (2) or more numbers of recording/reproducing apparatuses, wherein it is notices to a HOST PC that a device is connected to the device portion when a virtual disc is produced, and the virtual disc is cut off and also information corresponding thereto is deleted when taking out or an order of taking out is made from the HOST PC.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: March 4, 2014
    Assignees: Hitachi Consumer Electronics Co., Ltd., Hitachi-LG Data Storage, Inc.
    Inventors: Haruki Matono, Toshihiro Kato, Shimpei Usui
  • Patent number: 8626971
    Abstract: A flash memory device apparatus and method is provided such that data or programming information is uploaded or downloaded between the flash memory device and a host, in response to a single-press of a button associated with the flash memory device. The system can facilitate a number of operations including saving an active window application or associated data, transferring media files to or from media players, providing device-specific and/or data-specific transfer of applications or data and/or providing protection of transferred data or applications.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: January 7, 2014
    Assignee: Seagate Technology LLC
    Inventors: Mike Lee, Faheem Dani, Don Brunnett, Prokash Sinha
  • Publication number: 20130235709
    Abstract: A storage controller that includes a cache, receives a command from a host, wherein a set of criteria corresponding to read response times for executing the command have to be satisfied. A destage application that destages tracks based at least on recency of usage and spatial location of the tracks is executed, wherein a spatial ordering of the tracks is maintained in a data structure, and the destage application traverses the spatial ordering of the tracks. Tracks are destaged from at least inside or outside diameters of disks at periodic intervals, while traversing the spatial ordering of the tracks, wherein the set of criteria corresponding to the read response times for executing the command are satisfied.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 12, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Michael T. Benhase, Lokesh M. Gupta, Christopher J. Strauss, Will A. Wright
  • Patent number: 8441898
    Abstract: A method for copy protection includes providing audiovisual or audio data stored in sectors of a record carrier having a file system, and providing additional or modified data to be stored in further sectors. The method includes generating a first file of the file system referencing at least a part of the sectors and none of the further sectors, so when the first file is rendered by a playback device, the data is reproduced which is included in the part of the sectors. The method also includes generating a second file of the file system being another file than the first file and referencing at least a part of the sectors and further referencing at least one of the further sectors, such that when the second file is rendered by the playback device the part of the sectors and the at least one of the further sectors are reproduced.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: May 14, 2013
    Assignees: SONY Corporation, SONY DADC Corporation, SONY DADC Austria AG
    Inventors: Klaus Holzapfel, Andreas Winter, Markus Spitzlinger, Kenjiro Ueda
  • Publication number: 20130114386
    Abstract: Provided is an information reproduction device (10) that is connected to the content providing device (30) via the communication network (60).
    Type: Application
    Filed: June 28, 2011
    Publication date: May 9, 2013
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Takanobu Sato, Hideharu Tajima
  • Publication number: 20130088945
    Abstract: Address information that has been error correction encoded is recorded on a second version of a recording medium after being transformed such that such that the address decoding cannot be performed by a playback device that is not compatible with the second version of the recording medium. The address decoding for the second version of the recording medium cannot be performed by the incompatible playback device (for example, a playback device that was manufactured to be compatible only with a first version of the recording medium). In other words, in the playback device that is not compatible with the second version of the recording medium, a state is created in which address errors cannot be corrected, so access is impossible (recording and playback are impossible).
    Type: Application
    Filed: September 28, 2012
    Publication date: April 11, 2013
    Applicant: Sony Corporation
    Inventor: Sony Corporation
  • Patent number: 8417094
    Abstract: A recording apparatus of this invention detects the state of management information, which pertains to a recording address of an image signal, and which is reproduced from a disk-like recording medium having a first area for the image signal and a second area for the management information. On the basis of the detection result, management data is reproduced from the first area of the disk-like recording medium. On the basis of the management data reproduced from the first area, the management information reproduced from the second area is modified. A modify unit records the modified management information in the second area.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: April 9, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshihiko Suzuki, Hidenori Hoshi, Hiroaki Endo
  • Patent number: 8416657
    Abstract: A method for managing data from a host to an optical disc includes: storing data into a write data queue (WDQ) when the data of sequential write commands from the host are write-address-discontinuous; and transferring specific data from the WDQ to a write buffer when an available memory space in the WDQ is lower than a first threshold value or an available memory space in the write buffer exceeds a second threshold value.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: April 9, 2013
    Assignee: Mediatek Inc.
    Inventors: Tun-Hsing Liu, Tzu-Wei Kuo
  • Patent number: 8391110
    Abstract: A playback device reads a BD-J application from a BD-ROM and runs the BD-J application. The BD-J application causes, by using a socket connection API, the digital copy module of the playback device to execute copying of a protected content for portable terminals to a removable recording medium and setting of a resume playback point on the copied content. The resume playback point is specified by the BD-J application according to playback time information read from the PSR set.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: March 5, 2013
    Assignee: Panasonic Corporation
    Inventors: Keiichi Tanaka, Hidetaka Oto, Toshihisa Nakano, Takahiro Yamaguchi
  • Patent number: 8374064
    Abstract: A method for copy protection includes providing audiovisual or audio data stored in sectors of a record carrier having a file system, and providing additional data to be stored in further sectors. The method includes generating first and second files referencing respective first and second parts of the sectors and respective further first and second parts of the further sectors, so when the first and second files are completely rendered by a playback device, respective first and second parts of the data and respective further first and second parts of the additional data are reproduced. The method also includes determining program instructions, which when executed by the playback device, control switching between reading the first file and the second file, and when the record carrier is an original, switching is controlled so only the sectors and none of the further sectors are read such that no additional data is reproduced.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: February 12, 2013
    Assignees: SONY Corporation, SONY DADC Corporation, SONY DADC Austria AG
    Inventors: Kenjiro Ueda, Klaus Holzapfel, Andreas Winter, Markus Spitzlinger
  • Patent number: 8345365
    Abstract: A processing unit performs a method including controlling a reading-out of data from a first storage medium at a predetermined read-out data rate to produce inputted data, and controlling a compression of the inputted data to produce first compressed data of a first compressed format. The method includes controlling a storage of the first compressed data in a second storage medium at a faster writing data rate than the predetermined read-out data rate, controlling a reading-out of second compressed data of a second compressed format from the second storage medium, and controlling a decompression of the second compressed data to produce decompressed data. The method also includes controlling simultaneously the storage of the first compressed data in the second storage medium, the reading-out of the second compressed data from the second storage medium, and audibly reproducing the decompressed data. The first compressed format is different from the second compressed format.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: January 1, 2013
    Assignee: Sony Corporation
    Inventors: Toshiyuki Arai, Takashi Kumagai, Hajime Inai, Hiroaki Sato, Fumitake Yodo, Masami Oyama
  • Patent number: 8339910
    Abstract: The present invention is a dubbing device for dubbing data from a portable first recording medium such as a CD-DA (compact disc digital audio) to a second recording medium such as a hard disk drive (HDD), in which dubbing to the second recording medium with a large capacity is automatically carried out when reproducing data from the first recording medium. When data is reproduced from the first recording medium, database means is searched on the basis of identification information for the first recording medium and execution control of dubbing is performed in accordance with the result of search for recording history information. For example, whether or not data to be reproduced from the first recording medium has been already recorded on the second recording medium is discriminated, and dubbing is carried out if the data to be reproduced data has not been recorded on the second recording medium.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: December 25, 2012
    Assignee: Sony Corporation
    Inventor: Shigetaka Kudo
  • Patent number: 8306393
    Abstract: A first information recorder comprises a limited number-of-times of copying information setting unit for setting information on the limited number-of-times of copying electronic data, a first limited number-of-times of copying information updating unit for reading out the electronic data from a first information recording medium containing electronic data set with limited number of times of copying information by the limited number-of-times of copying information setting unit and updating the limited number-of-times of copying information set with respect to the electronic data, and a first transmitter for transmitting electronic data whose limited number-of-times of copying information is updated by the first limited number of times of copying information updating unit.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: November 6, 2012
    Assignee: Panasonic Corporation
    Inventors: Fumitomo Yamasaki, Takao Hayashi, Hideki Aikoh
  • Publication number: 20120250477
    Abstract: A method for copy protection includes providing audiovisual or audio data stored in sectors of a record carrier having a file system, and providing additional data to be stored in further sectors. The method includes generating first and second files referencing respective first and second parts of the sectors and respective further first and second parts of the further sectors, so when the first and second files are completely rendered by a playback device, respective first and second parts of the data and respective further first and second parts of the additional data are reproduced. The method also includes determining program instructions, which when executed by the playback device, control switching between reading the first file and the second file, and when the record carrier is an original, switching is controlled so only the sectors and none of the further sectors are read such that no additional data is reproduced.
    Type: Application
    Filed: February 13, 2012
    Publication date: October 4, 2012
    Applicants: Sony Corporation, SONY DADC Austria AG, SONY DADC CORPORATION
    Inventors: Kenjiro UEDA, Klaus Holzapfel, Andreas Winter, Markus Spitzlinger
  • Patent number: 8279726
    Abstract: A recording device records contents in a plurality of recording media. While the recording device records a content in a recording medium, if a free space of the recording medium runs out, an unrecorded part of the content needs to be recorded in another recording medium. In order to play back all parts of the content, all recording media in which all the parts of the content have been separately recorded are necessary. Particularly, if an internal recording medium included in the recording device has a small space and accordingly a sufficient space is secured by connecting an external removable recording medium to the recording device after the recording has started, parts of the content are separately recorded in the internal recording medium and the external recording medium.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: October 2, 2012
    Assignee: Panasonic Corporation
    Inventors: Okihisa Utsumi, Shohji Ohtsubo, Masahiro Muikaichi
  • Publication number: 20120236697
    Abstract: A master strategy adjustment method includes performing first recording on a master with a predetermined strategy, performing first measurement of an evaluation value of the master of the first recording, forming a first optical disc based on the master after the first recording, performing second measurement of an evaluation value of the optical disc formed as the first optical disc, calculating a target value of the evaluation value of the master based on a difference with the first measurement evaluation value and the second measurement evaluation value, and adjusting the strategy so that the evaluation value with regard to the master matches the target value, performing recording on the master with the adjusted writing strategy, performing measurement of the evaluation value of the master, and performing determination of whether the evaluation value is within a predetermined range with the target value as a reference until an affirmative result is obtained.
    Type: Application
    Filed: March 5, 2012
    Publication date: September 20, 2012
    Applicants: SONY DADC CORPORATION, SONY CORPORATION
    Inventors: Akiya Saito, Toru Aida, Shinobu Hayashi
  • Patent number: 8264921
    Abstract: A technique for investigating differences of composition and structural state of a recording layer of an optical disc along with other defects, such as scratches, contamination, warp and distortion, prior to video recording and for setting up appropriate recording conditions in compliance with this result to thereby perform recording is disclosed. In an optical disc recording device capable of recording information on an optical disc, a region to be investigated is defined based on the video recording reservation contents. Then, investigate and evaluate the disc state which can affect the recording quality in a target disc region to be recorded. Next, based on investigation/evaluation results, perform recording setup, recording speed setup, servo control setup and recording position setup to thereby perform the recording. By appropriately modifying the recording setup on a case-by-case basis, it is possible to achieve high-quality recording.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: September 11, 2012
    Assignees: Hitachi, Ltd., Hitachi-LG Data Storage, Inc.
    Inventor: Akio Fukushima
  • Patent number: 8248904
    Abstract: A recording and reproducing unit includes: a first optical head having at least one route of laser beam irradiation system that irradiates an optical disc recording medium with a laser beam; a second optical head having plural routes of laser beam irradiation systems that irradiate the optical disc recording medium with laser beams; and a control part that performs control of, while allowing the laser beam irradiation system that the first optical head has to execute recording of information in the optical disc recording medium, allowing the plural laser beam irradiation systems that the second optical head has to execute simultaneous reproducing of the information recorded in the optical disc recording medium.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: August 21, 2012
    Assignee: Sony Corporation
    Inventor: Yuichi Suzuki
  • Patent number: 8218407
    Abstract: This DVD replay device with incorporated hard disk includes a DVD drive which reads data from a DVD, and a HDD which performs recording of data upon, and reading of data from, a HD which has a first storage region and a second storage region. Furthermore, this DVD replay device with incorporated hard disk includes a control means which, when dubbing of data is commanded, decides whether or not the data upon the DVD is recorded in the DVD-VIDEO format, and a selection means which receives a selection as to whether the speed of the dubbing should be a first speed or a second speed. And, if the data upon the DVD is recorded in the DVD-VIDEO format, if the second speed has been selected, the HDD records the data recorded upon the DVD into the first storage region of the HD just as it is in the DVD-VIDEO format.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: July 10, 2012
    Assignee: Funai Electric Co., Ltd.
    Inventor: Mitsuharu Osaki
  • Publication number: 20120151599
    Abstract: Distribution of content stored on read only media, and a system and method by which a consumer who purchased content stored on read only media implements a process in the field by which they alter the storage media and verifiably disable at least a portion of the stored content in support of a transaction. A system and tools are used by the consumer to identify, authenticate, disable, and confirm disablement in exchange for compensation, the acquisition of new usage rights to content, or the ability to restore access to or copy content to new media. The process may be conducted by the consumer in the field without assistance and or visual inspection, or be partially conducted in conjunction with an authorized intermediary. Furthermore, the process may restore access to content stored on new media without the need to transfer copies of content.
    Type: Application
    Filed: December 9, 2011
    Publication date: June 14, 2012
    Applicant: SolaByte New Media Services LLC
    Inventor: Keith Marshall Chatfield
  • Patent number: 8199617
    Abstract: A recording apparatus having a reproduction means to play digital data from a recording medium recorded with that digital data and retrieval information, a recording means to write the digital data reproduced by the reproduction means and record the retrieval information on a control table, and a control circuit to search the control table by using the retrieval information when the digital data from the reproduction means is written by the recording means, to permit the writing of digital data recorded on the medium with the recording means when the retrieval information is not recorded on the control table, and to prohibit the writing of digital data recorded on the medium with the recording means when the retrieval information is already recorded on the control table, and also prevent the mistaken duplicate copying of the digital data with the recording means.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: June 12, 2012
    Assignee: Sony Corporation
    Inventor: Yoshio Miyazaki
  • Publication number: 20120134249
    Abstract: A method for copy protection in which an audiovisual or audio data is divided into a plurality of portions. The plurality of portions is at least partly scrambled and prepared so as to be stored on a record carrier in the scrambled order. This is done so that a physical position on the record carrier, e.g., a sector of the record carrier, where a respective portions of the divided data is stored depends on the scrambled order.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 31, 2012
    Applicant: SONY DADC Austria AG
    Inventors: Markus SPITZLINGER, Andreas WINTER, Walter HINTERHOELZL, Peter EISENMANN, Klaus HOLZAPFEL, Dominik ENGEL, Juergen GRUENBERGER
  • Publication number: 20120134248
    Abstract: A method for copy protection in which an audiovisual or audio data is divided into a plurality of portions. The plurality of portions is at least partly scrambled and prepared so as to be stored on a record carrier in the scrambled order. This is done so that a physical position on the record carrier, e.g., a sector of the record carrier, where a respective portions of the divided data is stored depends on the scrambled order.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 31, 2012
    Applicant: SONY DADC Austria AG
    Inventors: Markus Spitzlinger, Andreas Winter, Walter Hinterhoelzl, Peter Eisenmann, Klaus Holzapfel, Dominik Engel, Juergen Gruenberger
  • Patent number: 8185541
    Abstract: An information processing apparatus includes a communication unit configured to receive, from a reproduction device that reproduces content recorded on a loaded recording medium, content forming information regarding the structure of the content; a degree-of-similarity calculation unit configured to compare the content forming information received by the communication unit with content forming information registered in advance for each package of an information recording medium in a predetermined database and calculate a degree of similarity between the content forming information received by the communication unit and the content forming information registered in advance in the database; and a package determination unit configured to determine the package of the information recording medium loaded into the reproduction device by using the degree of similarity calculated by the degree-of-similarity calculation unit.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: May 22, 2012
    Assignee: Sony Corporation
    Inventor: Kouichi Kasai
  • Patent number: 8159766
    Abstract: An information-processing apparatus includes a processing unit that compresses inputted data to produce compressed data of a first compressed format. The information-processing apparatus also includes a storage unit that stores the compressed data in a storage medium. The processing unit decompresses data, stored in the storage medium, of a second compressed format to produce decompressed data. Further, the processing unit controls the storage unit to store the compressed data of the first compressed format in the storage medium while the processing unit simultaneously decompresses the data, stored in the storage medium, of the second compressed format and reproduces the decompressed data. The first compressed format is different than the second compressed format.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: April 17, 2012
    Assignee: Sony Corporation
    Inventors: Toshiyuki Arai, Takashi Kumagai, Hajime Inai, Hiroaki Sato, Fumitake Yodo, Masami Oyama
  • Patent number: 8147729
    Abstract: A BCA mark is applied prior to molding of optical recording media. A stamper including a BCA code is formed. The stamper including the BCA code is used in the molding of optical recording discs. This technique can be used in manufacturing of read-only type discs, recordable discs, rewritable discs, hybrid discs, discs readable from both disc sides, discs having multiple information layers, high-density discs, etc.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: April 3, 2012
    Assignee: Cinram International Inc.
    Inventors: James J. Musto, James Myrtle
  • Patent number: 8139453
    Abstract: When receiving the reproduced data from the optical disc and buffering same, the buffering from the correct position can be started on the basis of the synchronous signal and the address information included in the sub data which was received simultaneously. There is provided a method for controlling the buffering of the main data which is reproduced from the optical disc, in which the main data and the sub data are received with taking word clocks which are partitioning timings having plural bits of the main data as a unit as references, a synchronous signal which is in synchronization with the main data is generated, and the buffering of the main data is started on the basis of the synchronous signal.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: March 20, 2012
    Assignee: Panasonic Corporation
    Inventors: Shiro Shimizu, Naoyuki Kashii, Hiroshi Yao, Kiyokatsu Matsui
  • Patent number: 8139458
    Abstract: To provide write protection of a disc in a bare state that is usually used in a cartridge having a recognition switch for write protection, such as a DVD-RAM, write protection information is recorded in a Lead-in area, a Lead-out area or a recording information area other than a user data area of the disc, and the data is protected from unwanted overwriting or erasing using the write protection information. Even when the write protection information stored on a disc does not match the state of a recognition switch of a case for write protection, the data can be prevented from unwanted overwriting or erasing. Thus, write protection can be ensured when a recordable and/or rewritable recording medium, such as a DVD-RAM, a DVD-R or a DVD-RW, is used in a bare state.
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: March 20, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-wan Ko, Kyung-geun Lee
  • Patent number: 8134903
    Abstract: Degraded digital data is distributed from a server 1 to each user A, B, C, and D. An encrypted degradation compensation module is also delivered to the digital data duplicating apparatus 2 for the user A. The digital data duplicating apparatus 2 decrypts the encrypted degradation compensation module using its own encryption key, when playing digital data, to generate a 100% degradation compensation module. This module is applied to the degraded digital data to compensate the degradation thereof. An encrypted degradation compensation module of which the degradation compensation capability is reduced is delivered from the user A to the user B. The user B can use the encrypted degradation compensation module of which the degradation compensation capability is reduced from the user A to replicate the degraded digital data.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: March 13, 2012
    Assignee: KDDI Corporation
    Inventors: Koichi Takagi, Masaru Sugano, Yasuhiro Takishima
  • Patent number: 8125871
    Abstract: A recording apparatus that records data to an optical disc is disclosed. The recording apparatus includes a determination section that determines, when the optical disc is inserted, whether or not the recording condition information has been copied and recorded in the data recording area, a reading section that reads the recording condition information from the low recording-density area when the recording condition information has not been copied or recorded in the data recording area, and a recording section that copies and records the recording condition information read from the low recording-density area to a copy area in the data recording area while the optical disc is inserted.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: February 28, 2012
    Assignee: Sony Corporation
    Inventor: Hideki Nagashima
  • Publication number: 20120002520
    Abstract: A playback device reads a BD-J application from a BD-ROM and runs the BD-J application. The BD-J application causes, by using a socket connection API, the digital copy module of the playback device to execute copying of a protected content for portable terminals to a removable recording medium and setting of a resume playback point on the copied content. The resume playback point is specified by the BD-J application according to playback time information read from the PSR set.
    Type: Application
    Filed: May 23, 2011
    Publication date: January 5, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Keiichi TANAKA, Hidetaka OTO, Toshihisa NAKANO, Takahiro YAMAGUCHI
  • Patent number: 8090103
    Abstract: The present invention relates to a method of managing CPI (Copy Protection Information) for preventing unauthorized copy of encrypted content recorded on a high-density recording medium such as a BD-ROM (Blu-ray Disc ROM). In the present method, when main content data is recorded in encrypted manner, CPI that is necessary to decrypt the encrypted main content data is written in a predetermined PIC area and is also copied at least once in an area other than the PIC area.
    Type: Grant
    Filed: January 24, 2004
    Date of Patent: January 3, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sang Woon Suh, Jin Yong Kim
  • Patent number: 8085632
    Abstract: A recording apparatus having a reproduction means to play digital data from a recording medium recorded with that digital data and retrieval information, a recording means to write the digital data reproduced by the reproduction means and record the retrieval information on a control table, and a control circuit to search the control table by using the retrieval information when the digital data from the reproduction means is written by the recording means, to permit the writing of digital data recorded on the medium with the recording means when the retrieval information is not recorded on the control table, and to prohibit the writing of digital data recorded on the medium with the recording means when the retrieval information is already recorded on the control table, and also prevent the mistaken duplicate copying of the digital data with the recording means.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: December 27, 2011
    Assignee: Sony Corporation
    Inventor: Yoshio Miyazaki
  • Publication number: 20110286315
    Abstract: Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded by laser trimming on a reflective film in a PCA area of an optical disk. When playing back the thus manufactured optical disk on a reproduction apparatus, the barcode data can be played back using the same optical pickup.
    Type: Application
    Filed: July 29, 2011
    Publication date: November 24, 2011
    Applicant: Panasonic Corporation
    Inventors: Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya
  • Patent number: 8059503
    Abstract: A backup device and a one-key data backup method for the same use a backup device having ability to retrieve a memory card and an optical disc. The backup device is connected to an external computer. A backup application is installed having backup conditions configured in the external computer. When an input unit of the backup device is triggered, the backup device sends a backup request instruction to the external computer. The external computer executes the backup application upon receiving the backup request instruction, and records data of the memory card to an optical disc, or saves the data of the optical disc in the memory card based on configured backup conditions.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: November 15, 2011
    Assignee: EZPNP Technologies Corp.
    Inventor: Chia-Che Hu
  • Patent number: 8054726
    Abstract: An object of the present invention is to retrieve and process a piece of content to be processed by a simple method at the time of storing content recorded in a CD into an HDD or the like, reading desired content out of the content stored in the HDD from the HDD, and performing a process such as reproduction on the read content. A processor of the invention includes: a storage 1 for storing at least one piece of information so as to be associated with jacket image information of an image related to the content; means for obtaining target medium image data by capturing an image of a jacket of a CD related to the content to be reproduced; means for collating the target medium image data with jacket image information stored in the storage 1 and obtaining the content corresponding to the target medium image data from the storage 1; and means for reproducing the obtained content.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: November 8, 2011
    Assignee: Pioneer Corporation
    Inventor: Yoshiki Ohta
  • Patent number: 8036085
    Abstract: AV stream files and original management files are initially recorded in a first data recordable area of an optical disc. After the recordation of the original management files in the first data recordable area, at least one backup management file is recorded in a second recordable area of the disc. When associated original file system information is recorded in the first data recordable area after the recordation of the backup management file, backup file system information is recorded in a third data recordable area. All of the first, second, and third data recordable areas are closed after the recordation of the backup file system information.
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: October 11, 2011
    Assignee: LG Electronics Inc.
    Inventors: Byung Jin Kim, Sung Wan Park
  • Patent number: 8014236
    Abstract: Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded by laser trimming on a reflective film in a PCA area of an optical disk. When playing back the thus manufactured optical disk on a reproduction apparatus, the barcode data can be played back using the same optical pickup.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: September 6, 2011
    Assignee: Panasonic Corporation
    Inventors: Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya
  • Patent number: 8014261
    Abstract: An optically-readable disk includes a device that disrupts readability of the disk when the disk is spun at an angular velocity substantially greater than required to play the disk in its intended playing device, or for when a defined integral of velocity and time is exceeded. The device may include a fluid container that disperses a data-disruptive fluid. The device may include a membrane or layer that is disrupted when the disk is rotated above a defined angular velocity, or when a defined integral of velocity and time is exceeded.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: September 6, 2011
    Inventor: Gary Stephen Shuster
  • Patent number: 8009832
    Abstract: The present invention relates to a method of managing CPI (Copy Protection Information) for preventing unauthorized copy of encrypted content recorded on a high-density recording medium such as a BD-ROM (Blu-ray Disc ROM). In the present method, when main content data is recorded in encrypted manner, CPI that is necessary to decrypt the encrypted main content data is written in a predetermined PIC area and is also copied at least once in an area other than the PIC area.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: August 30, 2011
    Assignee: LG Electronics Inc.
    Inventors: Sang Woon Suh, Jin Yong Kim
  • Patent number: 8009541
    Abstract: A device, method, and computer program product are provided for migrating pieces of data from a first recording location to a second recording location based on access frequency. The device comprises an obtaining unit for obtaining, for each of the pieces of data, first information indicating the number of times any data has been read from the first recording location after the piece of data is written to the first recording location and second information indicating the number of times the piece of data has been read from the first recording location. Moreover, the device comprises a tracking unit for tracking access frequency with respect to each of the pieces of data using the first information and the second information. Furthermore, the device comprises a determining unit for determining recording positions of each of the pieces of data in the second recording location based on the tracked access frequency.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: August 30, 2011
    Assignee: International Business Machines Corporation
    Inventors: Kazuhiro Ozeki, Shinobu Fujihara, Hiroshi Itagaki, Takeshi Ishimoto
  • Publication number: 20110205875
    Abstract: An object of this invention is to provide an optical disc controller and an optical disc drive system which reduce the proceeding time for supplementing data that is deficient at the time of writing to the optical disc. The present invention relates to an optical disc controller and a optical disc drive system. An optical disc controller includes an interface circuit, a buffer, a memory manager, an ECC circuit, a modulation circuit, and an operation processor. The memory manager has a control register part, a copy transfer controller, and a buffer controller. The control register part further includes a copy sector number setting register for taking out and holding information of plural sector numbers of deficient data from a control signal of the operation processor. The copy transfer controller successively conducts copy transfer process for plural sector numbers based on the sector number information.
    Type: Application
    Filed: May 2, 2011
    Publication date: August 25, 2011
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventor: Yasuhiro Ami
  • Patent number: RE43517
    Abstract: A method for protecting disc copy of the present invention includes the steps of detecting an identifier of a disc to be reproduced and determining if a disc copy is permitted or not using copy protection disc information and the identifier. A recording and reproducing apparatus having a disc copy-protection function of the present invention includes a reproducing drive for reading data from a disc, a recording drive for writing data on other disc, storage unit for storing a copy-protection disc information for judging whether a disc copy is permitted or not, and control unit for controlling a disc copy from the disc in the reproducing drive to the other disc in the recording drive.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: July 17, 2012
    Assignee: LG Electronics, Inc.
    Inventors: Sang On Park, Yong Hee Han