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8090242 |
Method for selectively reproducing title
A method and apparatus for reproducing titles are discussed. According to an embodiment, the method includes determining if at least one title satisfies a criterion, using an average length...
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8050159 |
Method of recording data on optical disc and optical disc apparatus
This document relates to a method of recording data on an optical disc and an optical disc apparatus. The method of recording data on an optical disc may comprise determining a recording speed at...
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8009531 |
Methods for overwite cycle improvement of optical storage medium and related machine readable media
A method of recording data onto an optical storage medium includes: before starting recording data onto the optical storage medium from an expected link point on the optical storage medium, setting...
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7974163 |
Optical disk device
This optical disk device includes a read means which reads data from an optical disk upon which data is recorded at a variable bit rate for each sector. Moreover, this optical disk device includes...
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7881171 |
Method for reproducing optical recording medium
A method for reproducing an optical recording medium includes: determining a kind of optical pick-up device placed to reproduce an optical recording medium; detecting a push-pull signal or a...
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7787336 |
Apparatus and method of processing signals of an optical disk recording/reproducing apparatus
A signal processing apparatus of an optical disk recording/reproducing apparatus and a signal processing method performed thereby are provided. The signal processing apparatus may include an...
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7760609 |
Optical disc apparatus
An optical disc apparatus comprises an optical pickup with a thread load, a thread motor for moving the optical pickup, and an inner circumferential switch. When the optical pickup is moved to an...
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7738330 |
Information recording method and apparatus, information reproducing method and apparatus, information recording medium, program storage medium and program
Congested rewriting in the same area is to be evaded to suppress the tendency towards occurrence of defective areas. When a stream 1 has been recorded, the last written address, representing the...
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7706223 |
Apparatus for and method of detecting a wobble signal in accordance with a time shift
An apparatus for and a method of detecting a wobble signal in accordance with a time shift includes comparing a basic wobble signal with reference levels to detect pulses representing the time...
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7704408 |
Resin-molded component for signal reader and method for molding thereof
The present invention provides a resin-molded component for signal reader, which is light in weight and is able to improve the vibration damping property and to increase the resonance frequency,...
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7593299 |
Optical disk recording/reproducing apparatus and optical disk recording/reproducing method
A verify operation is the one that is carried out to further improve reliability of recorded data. Because recording and reproduction are made repeatedly, however, the same time is consumed for...
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7558172 |
Optical disk device recording data on a recordable or rewritable optical disk by setting a recording velocity and a recording power for each of zones on an optical disk
An optical disk device records data on a recordable or rewritable optical disk. The optical disk device comprises zone storing means for preliminarily storing locations of a plurality of zones set...
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7355946 |
Method of recording signals onto a recording medium
A method of recording data onto an optical disk uses a write strategy that corresponds to the recording features of the optical disk. The method detects a track pitch or storage capacity of a...
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RE39953 |
Recording apparatus and method, and reproducing apparatus and method
A reproducing apparatus for reading, or a recording apparatus for writing, data from or to a disc having pre-formed thereon a pair of concentrical or spiral tracks adjacent to each other and to...
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7272088 |
Information recording apparatus and optimum recording laser power detecting method
An information recording apparatus records the record data onto an information recording medium, which is provided with wobbled tracks and on which pre-format address information is recorded. The...
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7106674 |
Reproduction apparatus
In a multi-session disc including both audio session and data session, the data session is correctly recognized and accessed. The reproducing apparatus is a reproducing apparatus of a multi-session...
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7068577 |
Disk drive and method for reducing spin-up processing time
In a spin-up process in a disk drive, the values of a PMA counter and a TOC counter are compared with each other with respect to a write-once disk. The PM counter is a adapted to count the number...
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7065535 |
Methods and devices for recording or reading files on/from a sequential medium and sequential medium
In a method and a device for reading and a method and a device for recording files on a sequential medium as well as the sequential medium itself, in order to enable the use of sequential...
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7016281 |
Optical disc, its recording method, its recording device, its reproducing method, and its reproducing device
An optical disc that has a recognition mark area behind a recorded area and in which the last data in the recorded area is stably accessed, the recognition mark area can be accessed without...
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7016279 |
Method for recording and/or reproducing data on/from recording/recorded medium, reproducing apparatus, recording medium, method for recogizing recording/recorded medium, and method for recording and/or reproducing data for apparatus using recording/recorded medium
A recording and/or reproducing method for a record medium, comprising the steps of reading address information from a record medium, the record medium having at least a first area and a second...
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6982940 |
Method and apparatus for recording and/or reproducing information to arbitrarily set frequency conversion multiplying factor
Heretofore, if the recording mark arranging method in a track is changed, the physical format on the disk is also changed, as in DVD-Rs and DVD-RAMs. This makes it difficult to attain...
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6952388 |
Optical record carrier containing special codes
The invention relates to a record carrier of a disc-like optically inscribable type, having a preformed track in which an auxiliarily signal comprising a sequence of codes is recorded by means of a...
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6791924 |
Erasable digital video disk with reference clock track
An optical disk and compatible optical disk drive enabling erasable (rewritable) optical disks to have the same format and capacity as read-only or (recordable) write-once optical disks. A...
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6757230 |
Information recording medium, information reproduction apparatus, and information recording apparatus
An information recording medium of this invention has a spiral track. The spiral track has one or more header fields per round of the spiral track, and a data field located between neighboring...
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6751176 |
Optical disk with buffer area and recording and reproducing apparatus and methods
An optical disc that has a recognition mark area behind a recorded area and in which the last data in the recorded area is stably accessed, the recognition mark area can be accessed without...
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6721251 |
Recording medium, signal recording method and apparatus and signal reproducing apparatus
As pit patterns a pattern A and a pattern B are prepared. The adjacent tracks are made to have different embossed pit patterns.
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6671249 |
OPTICAL RECORDING MEDIUM, DATA RECORDING METHOD FOR REWRITABLE-TYPE PHASE CHANGE TYPE OPTICAL DISC, DATA ERASE METHOD FOR REWRITABLE COMPACT DISC, DATA ERASE METHOD FOR REWRITABLE PHASE CHANGE TYPE RECORDING MEDIUM, READ ONLY DATA ERASE METHOD, AND RECORDING/READOUT APPARATUS
For an optical recording medium having a phase change type recording layer on its a substrate and having as read only area and a writable area in a recording area, a data recording method is...
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6665248 |
Apparatus and method for playing back voice data file, and recording medium having a playback program for playing back a voice data file recorded therein
A voice file consists of a plurality of data blocks. Each data block is composed of a plurality of sectors. Playback time information on voice data recorded in the sector is stored in the sector...
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6621783 |
Methods of retrieving information from optical disk and controlling access and recording to optical disk, and optical disk recording apparatus
Upon loading of an optical disk into a CD-R/RW drive, access is first made to a given location within an innermost lead-in area of the optical disk, to retrieve a starting time of the innermost...
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6385152 |
Recording/playback apparatus, recording/playback method, presentation medium and recording medium
With append_only_flag reset to 0, data is recorded over existing data on a disc in accordance with the value of volume_write_protect_level. With append_only_flag set to 1, on the other hand, data...
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6339571 |
Storage medium recorded with recording/reproducing conditions depending upon recording densities and method of recording and reproducing therefor
A table having a plurality of recording densities and a plurality of recording/reproducing conditions corresponding to the recording densities and each necessary for recording/reproducing a signal...
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6333902 |
Method for generating land/groove switching signal from POLG type disc and apparatus therefor
A method for generating a land/groove (L/G) switching signal from pits on a land/groove (POLG) type disc and an apparatus therefor. In the method for generating an L/G switching signal from pits on...
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6243343 |
Optical disk, optical disk reproducing device and optical disk reproduction system
Recording surface of an optical disk is segmented radially into a plurality of volumes each including a lead-in area, program area and lead-out area. In each of the volumes, information indicating...
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6134196 |
Carriage controller for multi-layer disc
A carriage controller for a multi-layer disc which is capable of performing a stable carriage control during reproduction of a multi-layer disc of the opposite recording scheme. A tracking error...
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6052346 |
Methods and apparatus for recording data on and deleting already recorded data from a recording medium
In a recording method for a recording medium having a data recording area on which a data recording and/or reproducing operation is carried out, and a management data area on which management data...
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5940351 |
Information record medium as well as editing apparatus and reproducing apparatus for the same
An information record medium from which only necessary record information can be reproduced as well as an editing apparatus and a reproducing apparatus designed to edit and reproduce the...
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5867462 |
Apparatus and method for recording and reading edit data pertaining to reproduction of information signals and/or portions thereof recorded on a record carrier
Apparatus and method for use in recording and reading edit data pertaining to reproduction of information signals and/or portions thereof recorded on a record carrier. Edit data includes skip...
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5835468 |
Optical disk, recording/reproducing apparatus and method for rapidly recording/reproducing data on/from an optical disk using gray coding
An optical dick, an apparatus and a method for recording/reproducing the optical disk use Gray coded address information. The hexadecimal data 0 to F correspond to the Gray codes. The Gray code...
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5815730 |
Method and system for generating multi-index audio data including a header indicating data quantity, starting position information of an index, audio data, and at least one index
An audio data recording/reproducing method and apparatus for storing an index containing additional information and position information together with audio data in order to more easily manage the...
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5802246 |
Data recording method
A method of recording data onto a disk-like storage medium which is rotated at a constant angular velocity. A number of radially aligned recording zones are defined along the disk and data is...
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5802018 |
Method for reproducing multiple optical disks based on the determination of a reproduction order
A method for sequentially reproducing optical discs in a multidisc player is provided. The multidisc player comprises a disc changer capable of being loaded with a plurality of optical discs, a...
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5802239 |
Apparatus for reproducing data not successively located on a recording medium
A data reproducing device comprising reproducing means for reproducing data stored on a recording medium, first storing means for storing data reproduced from the recording medium, decode means for...
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5774435 |
Disc device
A disc device for reproducing and outputting an information signal recorded on a disc-shaped recording medium is disclosed. This disc device reproduces, from the disc-shaped recording medium, an...
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5768252 |
Method and apparatus for reproducing a recording medium having a first management area for managing a first attribute and a second management area for managing a second attribute of a program recorded in a recording area
A disc-shaped recording medium which includes a first management area for managing at least the address information of the program recorded in the program area of the recording medium, and a second...
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5761163 |
Track jump servo apparatus for disc reproducing system
A disc reproducing system having a pickup for reading data recorded on a disc that is rotated by a disc drive motor. The system, also has a clock signal generator for generating a clock signal that...
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5761160 |
Optical disk playback and recording device which alternately allocates logical addresses on different sides of disk
An optical disk playback and recording device has a control unit which alternately allocates sequential logical addresses between single or multiple continuous sectors on each side of a two-sided...
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5754521 |
Recording medium having a first management area for managing a first attribute and a second management area for managing a second attribute of a program recorded in a recording area
A disc-shaped recording medium which includes a first management area for managing at least the address information of the program recorded in the program area of the recording medium, and a second...
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5737284 |
Optical disc drive having accessing from a current position within a lead-in area
In an optical disc drive, a rapid access to a target track within a program area is enabled in case of accidental reentry of an optical pick-up into a lead-in area during an access operation. Upon...
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5737308 |
Recording medium for specified reproduction and reproduction apparatus
It is easy to reproduce a recorded information and, particularly, its portions on a disc, in a repeated fashion and the disc is convenient to learn. It is proved effective to perform reproduction,...
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5737283 |
Reproducing method and apparatus using absolute time data
An apparatus for reproducing information from a disc-shaped record medium, which comprises an optical reading head for reading a program information signal and absolute time data from an optical...
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