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| Number | Title | Issue Date |
| 7940627 | Data recording device, data recording method, and computer program It is possible to manage an empty region in a disc partition while satisfying an inhibit matter of the ROM standard not recording a space bit map describer (SBD). The SBD is recorded upon disc initialization and additional recording into the partition is performed b... | 05/10/2011 |
| 7885161 | Information recording apparatus, information reading apparatus and computer readable medium An information recording apparatus includes an information obtaining unit, a sign arrangement generating unit, a sign arrangement recording unit. The information obtaining unit obtains information to be recorded on a recording medium. The sign arrangement generating... | 02/08/2011 |
| 7742376 | Recording medium and method and apparatus for controlling the recording using sequence numbers of control information units A recording medium equipped with recording/reproducing control information, and a method and apparatus for controlling the recording medium using the control information are disclosed. The recording medium includes: a data area in which data is recorded; and a manag... | 06/22/2010 |
| 7436741 | Optical disc unit, optical disc recording method, and optical disc An optical disk in which data is interleaved and recorded in physically discontinuous interleaved units and a size of the interleaved unit is not less than a product of a maximum value of a jumping interval and a minimum value of the reproduction rate Vo of the data... | 10/14/2008 |
| 7397751 | Optical disk apparatus, method of recording information, and information recording medium A recorded stream generator generates a data block stream in synchronism with the phase of a recording clock, from the input data. The recorded stream generator further generates, for each predetermined data unit constituting the data block stream, a data phase refe... | 07/08/2008 |
| 7382708 | Data recording/reproducing device A data recording device comprises a block division unit dividing a sequence of user data blocks into first blocks and second blocks, a plurality of multi-level data generating units generating multi-level data blocks from the first blocks and the second block, a gro... | 06/03/2008 |
| 7379502 | Method of converting digital data Disclosed is a method of digital data conversion. The method includes binding input digital data into unit blocks constituted by a plurality of bytes, modulation-coding each byte of the input data blocks by using a code conversion table, and allocating a merging bit... | 05/27/2008 |
| 7376066 | Information recording method and an information recording apparatus An information recording method and an information recording apparatus are disclosed, wherein x-bit long binary data are converted into m multi-level data of n levels (x is an integer equal to or greater than 3, m is an integer equal to or greater than 2, and n is a... | 05/20/2008 |
| 7373580 | Recording medium, recording method and apparatus, reproduction method and apparatus, data transmission method, and data demodulation method A recording medium including an area in which data that has been encoded with a first error correction code is recorded. Data that can be decoded with a second error correction code that is different from the first error correction code is recorded to the area along... | 05/13/2008 |
| RE40312 | Digital data transmitting method A transmitting method of digital data whereby information data can be reproduced at a high precision. In order to retain digital data in sectors comprising a plurality of sync frames and sequentially transmit, the sync frame is comprised of the sync signal and the r... | 05/13/2008 |
| 7355935 | Method of recording physical address information on optical disc and optical disc having the same An optical disc and method of recording physical address information on the optical disc, the optical disc including a first recording area ranging from an innermost circumference to a predetermined position, and a second recording area ranging from the predetermine... | 04/08/2008 |
| 7355950 | Recording and/or reproducing apparatus, disk manufacturing apparatus, recording and/or reproducing method, disk manufacturing method, and information recording medium using recording and/or reproducing unit blocks having different sizes in different areas A recording and/or reproducing apparatus including a signal processing unit that performs signal processing of a first and a second address to distinguish a first area disposed in a data recordable area of an information recording medium from a second area disposed ... | 04/08/2008 |
| 7342864 | Optical disk reproduction apparatus and optical disk reproduction method There are provided a wobble signal reading unit configured to read a signal corresponding to a wobble formed at a predetermined track from an optical disk on which address information is recorded by applying phase modulation to the wobble formed at the track, an add... | 03/11/2008 |
| 7333409 | Link writing method for a recordable or rewritable compact disk and drive for using the method A link writing method for a recordable or rewritable compact disk includes recording a writing interruption address and enabling a succeeding writing process after the writing interruption. Enabling a succeeding writing process includes searching the linking area an... | 02/19/2008 |
| 7330482 | Method for processing digital symbols in a communication system and transmitter and receiver for carrying out the method The digital symbols of a sequence are assigned to respective positions in successive timeslots, according to a predetermined slot format. In a plurality of timeslots, a symbol of the sequence is replaced by a substitution symbol carrying additional information. A si... | 02/12/2008 |
| 7327660 | Optical disc and physical address format An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles i... | 02/05/2008 |
| 7328148 | Transferring compressed audio via a playback buffer A method for transferring real time information on a record carrier, typically bitstream audio on an optical disc, which method comprises encoding consecutive segments of the real time information to compressed real time data in frames, and determining a buffer occu... | 02/05/2008 |
| 7313069 | Optical recording medium and recording apparatus, the medium including a linking region between unit block regions An optical recording medium having a track on which data has been previously recorded, comprising on the track a plurality of data block regions each of which includes main data of a block which is divided into a predetermined number of main data pieces, each of whi... | 12/25/2007 |
| 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 |
| 7301878 | Information storage medium, information recording method, and information recording/reproduction apparatus This invention achieves high-density recording while preventing recording units from overlapping. Recording is done to form a gap between predetermined recording units. Since this gap is formed, even when a rotation driving mechanism of a medium suffers rotation non... | 11/27/2007 |
| 7298963 | Time code generator and time code generating method, time code reader and time code reading method, and video recording and reproducing apparatus The present invention provides an apparatus for generating a time code compatible with 50P, 60P or 59.94P and having interchangeability with existing time codes. The apparatus includes: a microcomputer for dividing a frame number indicated by time address data in su... | 11/20/2007 |
| 7298684 | Disk-like recording medium, disk recording apparatus and disk recording method, and disk playback apparatus and disk playback method Disclosed is a disk-like recording medium, a disk recording apparatus and a disk recording method, and a disk playback apparatus and a disk playback method. Disk ID is recorded over a circle of a burst cutting area on an optical disk. The circle is divided into n bl... | 11/20/2007 |
| 7295141 | Method for mixing signals with an analog-to-digital converter The invention provides a method for mixing signals with an analog-to-digital converter. The analog-to-digital converter receives a plurality of analog signals. First, the plurality of analog signals are respectively converted to a plurality of first datastreams with... | 11/13/2007 |
| 7280742 | Method for recording audio data on a rewritable recording medium and for adjusting data grouping criterion The present invention relates to a method of writing audio data to a rewritable recording medium as grouping the written audio data into each Audio Object Unit (AOBU). This method changes AOBU grouping criterion such as time or size if a bit rate of input audio data... | 10/09/2007 |
| 7277369 | Optical disk capable of disabling incompatible recorder An optical disk is compatible with one type of a recording apparatus which is designed to irradiate an optical beam onto the optical disk to form pits along the pregroove for actual recording of information. The optical disk is incompatible with another type of a re... | 10/02/2007 |
| 7277362 | Audio signal reproduction apparatus having scratch reproducing function An audio signal reproduction apparatus for reproducing scratch sound from an optical disk. Scratch reproduction operation is performed through use of a jog dial and a turntable. When either the jog dial or the turn table has been actuated, a rotational operation sig... | 10/02/2007 |
| 7275205 | Data modulation method and apparatus capable of suppressing DC component using parity information of synchronization codeword A data modulation method to suppress a DC component using parity information of a synchronization codeword, and an apparatus for executing the method. Input data is multiplexed according to multiplexing information, the synchronization codeword including the multipl... | 09/25/2007 |
| 7272097 | Method of detecting data structure of non-return-to-zero data in an optical storage device A method of detecting a data structure of fourteen-bit data in an optical storage device includes connecting a first 8-bit register between an eight-to-fourteen modulator and a leading zero counter, storing 8 least significant bits of the data output from the eight-... | 09/18/2007 |
| 7269116 | Optical disc and physical address format An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles i... | 09/11/2007 |
| 7269117 | Optical disc and physical address format An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles i... | 09/11/2007 |
| 7228487 | Data buffering system and method for optical recording device The present invention is a data buffering system for buffering information from an optical recording medium into a buffer memory. The information comprises a main data and a subcode. The system comprises a main target comparator, a correction target comparator and a... | 06/05/2007 |
| 7218578 | Reproducing apparatus, operating apparatus for reproducing and reproducing method therefor The control section determines the rotational direction and the rotational speed of the operation discal unit based on the first pulse signal from the first optical sensor section. When determines that the operation discal unit starts rotating in the reference rotat... | 05/15/2007 |
| 7215631 | Signal processing device and signal processing method A feedback loop structure including an operational amplifier unit (1) for amplifying a reproduction signal of recorded information and a gain/offset control unit (6) for controlling an amplitude and an offset of an output of the operational amplifier u... | 05/08/2007 |
| 7212479 | Apparatus and method of detecting defects on optical recording media An apparatus of detecting defects on an optical recording medium includes a defect signal generating circuit for generating a corresponding defect signal according to a surface defect of the optical recording medium, a first synchronous signal generator for generati... | 05/01/2007 |
| 7206272 | Method for recording asynchronously produced digital data codes, recording unit used for the method, method for reproducing the digital data codes, playback unit used for the method and information storage medium A recording and reproducing system is broken down into a recording unit for producing a digital audio data signal from MIDI music data words asynchronously produced at irregular intervals and a playback unit for reproducing the MIDI music data codes from the digital... | 04/17/2007 |
| 7196984 | Optical disk medium and optical disk recording and reproducing apparatus A recording data string is composed of a plurality of synchronous frames each of which has synchronous data and coding data. Data items in the coding data contributed to creation of the same column of the error correction code are arranged at regular intervals of E ... | 03/27/2007 |
| 7190653 | Data recording/reproducing device A data recording device comprises a block division unit dividing a sequence of user data blocks into first blocks and second blocks, a plurality of multi-level data generating units generating multi-level data blocks from the first blocks and the second block, a gro... | 03/13/2007 |
| 7174414 | Method and apparatus mapping logical tracks in a disk drive for optimizing track seek time A method of mapping logical track numbers to a collection of physical tracks on at least two disk surfaces within a disk drive. The method further includes accessing logical tracks at assigned physical tracks. The invention includes making disk drives using the mapp... | 02/06/2007 |
| 7164633 | Recording medium, recording apparatus, and reading apparatus In a recording medium, the physical characteristic information of the recording medium, and more specifically, the configuration (shape and size) and the moment of inertia of the disc, is recorded. This enables a recording apparatus or a reading apparatus to easily ... | 01/16/2007 |
| 7158464 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus A recording medium comprising a recording area, the recording area includes a first area and a second area, the first area includes a frame area, the frame area includes an area in which a second synchronization code sequence and at least a portion of data are to be... | 01/02/2007 |
