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| Number | Title | Issue Date |
| 8154964 | Data processing device, data processing method, program, program recording medium, data recording medium, and data structure A data processing device and a data processing method, a program and a program recording medium, a data recording medium, and a data structure, all enable data multiplexed into multiplexed data to be specified according to metadata irrespective of the number of piec... | 04/10/2012 |
| 7564749 | Interface device for optical recording and/or reproducing apparatus An interface device for an optical recording and/or reproducing apparatus for recording and playback of an optical disc, wherein the configuration of an interface circuit between a pickup that reads and writes information from/on the optical disc and a radio frequen... | 07/21/2009 |
| 7436740 | Wobble detection for playback of optical recording media The present invention relates to a method and a device for detecting the type of wobble on an optical recording medium. According to the invention, a programmable digitally tuned oscillator is provided for detecting the wobble at different frequencies and the wobble... | 10/14/2008 |
| 7423940 | Signal processing method and signal processing apparatus A signal processing apparatus is provided with a converter for converting at least one analog light detection signal into a digital light detection signal, and a signal generator for generating at least one servo error signal by subjecting the digital light detectio... | 09/09/2008 |
| 7406008 | Recording medium and system for recording and reproducing the recording medium using control information that represents the number of sets of information composing the multiplexed audio information A recording medium has a first recording area on which multiplexed audio informations are recorded as sets of one or more information units, a second recording area on which control information for controlling recording of the multiplexed audio informations are reco... | 07/29/2008 |
| 7362669 | Optical disc apparatus An optical disc apparatus includes a pause circuit for pausing data encoders upon receiving a pause signal so that a write operation may be paused without writing dummy data, thereby maintaining data succession. The optical disc apparatus also includes a circuit for... | 04/22/2008 |
| 7356142 | Secure compact disk and player A method for recording data on an optical medium is disclosed. In one embodiment, the method includes receiving a first plurality of frames of data at a Cross Interleave Reed-Solomon Code (CIRC) encoder, encoding the first plurality of frames of data by the CIRC enc... | 04/08/2008 |
| 7305273 | Audio generation system manager An audio generation system includes a performance manager, which is an audio source manager, and an audio rendition manager to produce a rendition corresponding to an audio source. An application program provides the audio source manager and the audio rendition mana... | 12/04/2007 |
| 7304923 | Disk drive and detection method using pre-pit detection and push-pull signal generation A push pull signal is detected from a disk-shaped storage medium on which wobbling grooves are formed as recording tracks and address information is recorded by forming pre-pits on lands between adjacent grooves. The detected push-pull signal is compared with a refe... | 12/04/2007 |
| 7286310 | Apparatus for receiving compressed digital information An apparatus for receiving digital information including a receiver which receives the digital information that has digital video information bit-compressed by a first compression system, digital audio information bit-compressed by a second compression system, and e... | 10/23/2007 |
| 7272093 | Apparatus for controlling an optical disk drive by calculating a target frequency of a DPLL signal A control circuit for an optical disk drive includes a frequency detector, a phase detector, a low pass filter, a voltage-controlled oscillator (VCO), and a controller. The frequency detector and the phase detector both receive an eight-to-fourteen modulation (EFM) ... | 09/18/2007 |
| 7266075 | Recording medium with a linking area including scrambling data thereon and apparatus and methods for forming, recording, and reproducing the recording medium A recording medium, such as a high-density and/or read-only recording medium including a data area including at least two data sections and a linking area to link neighboring data sections, the linking area including scrambled user data produced by scrambling user d... | 09/04/2007 |
| 7233551 | Optical disk control device for time-division-multiplexing and A/D conversion An optical disk control device comprises a playback signal detection unit for detecting data recorded on a disk by irradiating the disk with a converged light beam; a signal switching unit for successively selecting plural data signals obtained by the playback signa... | 06/19/2007 |
| 7227824 | Information reproducing apparatus, method of correcting reproducing program, and information recording medium An information reproducing apparatus, in which a disk having correction data recorded thereon is placed, acquires region information indicative of a region corresponding to the correction data after load processing is performed by a ROM loader. Then, under the contr... | 06/05/2007 |
| 7200090 | Information recording apparatus including information attaching and generating device which generates group control information When a detection device detects any kind of change regarding track recording after the start of the track recording, a grouping instruction is given to information attaching and generating device. Then, the information attaching and generating device attaches the sa... | 04/03/2007 |
| 7197001 | Apparatus for detecting a pre-pit signal An apparatus for detecting a pre-pit signal at different laser power intensities of an optical disk drive. The apparatus includes an amplifier for receiving a push-pull signal acquired from an optical disk to generate an adjusted signal, a multiplexer for receiving ... | 03/27/2007 |
| 7196986 | Digital information processing method A content access method and apparatus includes decompressing an input stream read from a storage medium to produce an output signal. The output signal is then multiplexed with timing information different from the timing information contained in the input stream. | 03/27/2007 |
| 7193940 | Pre-pit signal decoder A pre-pit signal decoder includes a shift register, a pattern comparator, a counting unit, an in-sync signal generating unit and a protection unit. The register receives serial pre-pit bits and converts them into a parallel pre-pit byte. The comparator generates an ... | 03/20/2007 |
| 7188256 | Recording medium having encrypted sound data recorded therein and information processor Digital sound data is encrypted and recorded in a recording medium 200. Information 212 required for decoding the encrypted digital sound data 220 is recorded in a program 211 for controlling the reproduction of sound data separately from... | 03/06/2007 |
| 7184391 | Optical recording medium on which multi-modulated header signals are recorded, apparatus and method of recording header signals and apparatus and method of reproducing header signals An optical recording medium on which a header signal having multi-modulated header information is recorded, an apparatus and method of recording the header signal, and an apparatus and method of reproducing header information from the header signal of the optical re... | 02/27/2007 |
| 7177263 | Recording medium and apparatus and method for manufacturing the same A recording medium comprises pairs of groove tracks and land tracks provided side by side while being bent periodically, a plurality of land prepits previously formed on the land tracks and carrying information about the groove tracks, and a recording layer formed o... | 02/13/2007 |
| 7174350 | Data edition method and data edition device A data editing method by which reduction of the burden of an editing process regarding stream data recorded on a recording medium is anticipated and a higher speed editing operation can be achieved. Stream data recorded on a recording medium are presupposed to be ma... | 02/06/2007 |
| 7133334 | Method and device for interfacing variable-rate sampled digital audio information to a string of uniform-sized blocks, and a unitary medium so produced by a write-interfacing For mapping sampled digital audio information onto a linear physical mapping space that is partitioned in a string of uniform-sized blocks, in particular, for variable-rate coded audio information that is distributed over successive audio units which are each compos... | 11/07/2006 |
| 7120849 | Data storage medium having link zone and apparatus and method for recording/reproducing data on/from the data storage medium A data storage medium which includes a link zone, an apparatus and a method of recording data, and an apparatus and a method of reproducing data. The data storage medium includes a plurality of ECC blocks in which user data are stored, and a plurality of link zones ... | 10/10/2006 |
| 7110333 | Disk player The present invention discloses a disk player for recording information on a disk and/or reproducing recorded information thereon. The disk player includes a wobble detection unit for detecting a wobble signal corresponding to a wobbling pattern formed along a track... | 09/19/2006 |
| 7088651 | Method and apparatus for detecting land pre-pit address information recorded on optical disc An apparatus and a method for detecting address information are provided. The apparatus for detecting address information from an optical disc on which a plurality of sectors are arranged and pre-pit data are recorded on each sector, includes: a window generation ci... | 08/08/2006 |
| 7050372 | Optical disk device configured to reliably reproduce address information An optical disk device which reproduces address information embossed and formed on an optical disk. Return light of laser light is detected by a photodetector which is split into at least two components along the radial direction and signals representing the return ... | 05/23/2006 |
| 6980499 | Data recording clock signal generator for generating a recording clock signal for recording data on a recordable medium When data recording is performed on an optical disk provided with a data recording track wobbled by a wobble signal having predetermined frequency components, a recording clock generator circuit extracts the wobble signal, generates a divided clock signal obtained b... | 12/27/2005 |
| 6956799 | Phase discontinuity compensation in a bit-accurate optical drive A bit-accurate optical drive determines an address of a data block stored on a disc (the address being determined from a wobble that is embossed in the disc), and synthesizes header information for the block. When the block is read from the disc, recovered (actual) ... | 10/18/2005 |
| 6937815 | Method and apparatus for recording manufacturer information and for determining whether the manufacturer information is effective A recording medium and a recording apparatus for storing manufacturer information for supporting specific functions for each manufacturer and a method therefor. A reproducing apparatus for reproducing manufacturer information for supporting specific functions and a ... | 08/30/2005 |
| 6922297 | Double-attribute method of encoding and decoding magnetic data A method of encoding and decoding data involving the simultaneous application of pulse width modulation and pulse position modulation systems to data intended for storage on a magnetic disk medium. ... | 07/26/2005 |
| 6917575 | Audio signal processor An audio signal processor performs a signal processing on the first audio signal and the second audio signal in correspondence with an operation to produce an output. The processor comprises and operation device, a signal processing device and a control device. The ... | 07/12/2005 |
| 6915377 | Recording/reproduction apparatus and group-based editing method A recording/playback apparatus is characterized in that management information for managing data recorded on a recording medium is provided in a format allowing tracks to be bundled into groups and managed in group units in addition to management of the data in trac... | 07/05/2005 |
| 6915066 | Information recording method and information reproducing method With this invention, at least one of a video file containing video information, a still picture file containing still picture information, and an audio file containing audio information and a management file having management information on a control method of repro... | 07/05/2005 |
| 6912190 | Optical disc apparatus and method for reading information from an optical disk having tracks and spaces between the tracks on which address information is recorded An optical disc apparatus reads the address information from an optical disc which has tracks and track spaces formed between tracks. The apparatus has an optical head which irradiates the disc with light and includes tracking detectors, divided into a first detecto... | 06/28/2005 |
| 6879551 | Apparatus and method for generating RF signal and control signals in optical disc system An apparatus and method for generating a radio frequency (RF) signal and control signals are provided. In an apparatus for generating a radio frequency (RF) signal and control signals in which the current output from a plurality of light receiving elements is conver... | 04/12/2005 |
| 6819512 | Triple-attribute method of encoding and decoding magnetic data A method of encoding and decoding data involving the simultaneous application of pulse amplitude modulation, pulse width modulation, and pulse position modulation systems to data intended for storage on a magnetic disk medium. ... | 11/16/2004 |
| 6816444 | Method and apparatus for digital information processing A content access method and apparatus includes decompressing an input stream read from a storage medium to produce an output signal. The output signal is then multiplexed with timing information different from the timing information contained in the input stream. | 11/09/2004 |
| 6791920 | Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor A physical identification data (PID) addressing method using a wobble signal, a wobble address encoding circuit, a method and circuit for detecting the wobble address and a recording medium therefor. A wobble signal obtained by phase modulating address information i... | 09/14/2004 |
| 6721249 | Apparatus and method for processing audio signals recorded on a medium This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective reproduction of the voice of a player. The karaoke CD format includes a CD format divided into video sectors... | 04/13/2004 |
