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7613975 |
Predictive diagnosis of a data read system
A data read system comprising a read channel for processing a signal, and a diagnostic controller in communication with the read channel. The diagnostic controller is configured to measure at least...
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7602685 |
Method of and apparatus for recording data on a minimally blanked optical disc in an incremental recording mode and computer readable storage medium encoded with processing instructions performing the method
A method of recording data on an optical disc in an Incremental Recording mode in which data is partially recordable. The method includes the steps of determining whether the optical disc is...
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7590034 |
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
An apparatus for recording data on and reproducing data from the disk in which a recording area is divided into sectors, includes a reproducing signal generator for generating a reproducing signal...
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7548498 |
Optical disk unit capable of reading out data normally and continuously after suspension of data writing
An optical disk unit includes the following: a storage part temporarily storing data to be written to an optical disk; a processing part processing the data; an encoder part modulating and...
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7542390 |
Method for sampling optical disc data and apparatus thereof
Technology for sampling optical disc data are described. A first sync tag signal and a data signal are provided, and the previous first sync tag signal is saved as a second sync tag signal. Then,...
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7539100 |
Optical recording medium, method of managing defective area thereof, recording method thereof, and recording/reproducing apparatus thereof
The present invention provides a method of managing a defective area of an optical disc recordable at high speed, recording/reproducing method thereof, and recording/reproducing apparatus thereof,...
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7505385 |
Method of detecting optical disc error information
A method of detecting optical disc error information on an optical disc, for applying in an optical disc drive, the method comprising: first, detecting whether the optical disc is blank, if not,...
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7502294 |
Information recording and playback apparatus, content management method, and content management program capable of preventing illegal copying of content
Information recording and playback apparatus, content management method, and content management program. When data of copyright-protected content is recorded in a general-purpose HDD, illegal...
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7502285 |
Information recording apparatus and method, and computer program for recording control
An information recording device is used for recording record information in an information recording medium at least including a first recording layer capable of forming a first recording area and...
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7492678 |
Apparatus and method for stabilizing operation of disc driver in section for setting mode conversion
An apparatus which stabilizes an operation of a disc driver in a mode conversion setting section includes a pickup which reads information from a disc that is inserted into the disc driver, a...
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7489603 |
Optical pickup transfer apparatus
An apparatus including a first engaging portion for holding an optical pickup, a second engaging portion to be engaged with the first engaging portion, a transfer portion for driving the second...
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7471603 |
Optical analyzer
There is provided an apparatus capable of switching between a laser that emits light having a wavelength suitable for detecting samples and a laser required for reading traced data, while an...
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7453779 |
Apparatus for capturing and recording video information
With an object of executing excellent finishing processing when information is recorded to a rewritable type record medium or a write once type record medium, the finishing processing is switched...
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7450483 |
Information carrier apparatus and information carrier eccentricity correction method
An information carrier apparatus for accessing an information carrier having at least one track formed therein includes a times crossed detection section for detecting the number of times that a...
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7440372 |
Information recording medium recording method, information recording/playback apparatus, and information recording medium
In an information recording medium recording method, recording is interrupted, in recording on an information recording medium, when a predetermined interruption condition is met. A signal recorded...
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7437053 |
Digital video recorder, method of driving the video recorder and program
A digital video recorder writes data on a selected one of a first storage medium and a second storage medium. The recorder includes an abnormal state detector for detecting any abnormal event that...
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7428195 |
Information reproduction apparatus and information reproduction method
An information reproduction apparatus and method according to the present invention are provided so as to solve the problem that signal quality is degraded in a normal signal part when always...
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7420903 |
Electronic equipment, highlighting method, and program installed in the equipment
Disclosed is electronic equipment enjoying improved ease of use, and a highlighting method and a program to be implemented or installed in the electronic equipment. For example, a user performs...
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7409599 |
Method of verifying defect management area information of optical disc upon initialization without certification and test apparatus for performing the same
A method of verifying defect management area (DMA) information of an optical disc upon initialization without certification, and a test apparatus for performing the same. The method includes...
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7356825 |
Disk carrying apparatus
The disk carrying apparatus includes a lifting portion which carries a disk onto a turntable, a chuck which holds the carried disk on the turntable, and a third switch which detects an intermediate...
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7319643 |
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
An apparatus for recording data on and reproducing data from the disk in which a recording area is divided into sectors, includes a reproducing signal generator for generating a reproducing signal...
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7313058 |
Optical disk device and method for controlling optical disk
Tilt of an optical disk is detected and controlled by detecting a tilt zone border based on a zone correspondence table expressing a ZCLV zone of the optical disk and the tilt zone including a...
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7295497 |
Optical disk device and tilt correction method thereof
There are provided an optical disk device and tilt correction processing method for performing recording/reproduction by rapidly acquiring an optimal tilt correction value for an optical disk...
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7221631 |
Method for recording data on optical recording medium
A method for recording data on an optical recording medium includes the step of receiving data to be written and control data. The control data includes status information to indicate whether or...
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7218594 |
Recording medium, and method of and device for recording information on a recording medium and reading information from a recording medium
The invention relates to recording of information, in particular a real-time audio and/or video signal, in a recording track ( 3 ) of a recording medium ( 2 ) divided into blocks ( 45 ). The...
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7218581 |
Asynchronous crosstalk cancellation
A device for delivering a data signal at a data rate has crosstalk cancellation. The crosstalk reducing unit ( 14 ) has an adaptive filter ( 15 ) to generate a crosstalk signal corresponding to a...
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7212475 |
Method and apparatus for tilt correction and tilt driving signal generating circuit
In the tilt correction method, information about inclination of an object lens relative to an information recording medium is acquired. A direct current signal Sdc for correcting the inclination is...
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7212478 |
Data assurance method for optical storage media and optical storage device
A data assurance method controls an optical head according to the difference between the device temperature and the temperature of inserted removable optical storage media. A rate of temperature...
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7200078 |
Method and related optical disk accessing apparatus for calibrating optical disk tilt servo system according to non-constant relation between locations and tilt angles of optical disk
Method and apparatus for use in an optical disk tilt servo system of an optical disk drive. The tilt servo system is for adjusting an angle between a surface of an optical disk and a pick-up head...
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7164634 |
Storage device with shockproof function and accessing method thereof
A storage unit with shockproof function and accessing method thereof is provided. The storage unit includes a storage media, a speed sensing device or a vibration sensing device and a control unit....
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7151732 |
Optical disk unit capable of reading out data normally and continuously after suspension of data writing
An optical disk unit includes the following: a storage part temporarily storing data to be written to an optical disk; a processing part processing the data; an encoder part modulating and...
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7139228 |
Device and method for recording data to optical disk using recording pulse with corrected edge position
The present invention provides a device and method for an optical disc such as a DVD which can keep proper edge position of a recording pulse to record data of high quality without depending on a...
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7126894 |
Optical disk apparatus and method for adjusting optical disk apparatus laser power
Provision of a displacement sensor, which detects an amount of shift at an objective lens, and a controller, which adjusts an emitted power based on a value measured by the displacement sensor and...
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7099252 |
Method and apparatus for removing vibration in disc drive
Provided are a method and apparatus for removing vibration due to the imbalance of weight of a disc in a disc drive, in which the allowable high multi-speed of a disc is determined based on the...
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7099250 |
Information recording and reproducing method and information recording and reproducing device
When an error requiring a retry operation occurs, information concerning the error is stored every time. The information includes a sector number (or beginning sector number and number of sectors),...
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7092333 |
Device and program for checking optical disks
A plurality of tracks on an optical disk are optically read to obtain a signal containing a plurality of LOW segments. Each of the plurality of LOW segments should correspond to a certification...
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7088657 |
Optical media integrity detection
An optical media drive contains light reflective surfaces positioned about a transparent center portion of the optical media. The light reflective surfaces reflect laser light from a laser unit of...
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7065011 |
Method for adjusting mechanical error of optical disc reading device
The present invention provides a method for adjusting the mechanical error of an optical disc reading device. The optical disc reading device consists of a driving device and an optical pickup. The...
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7054241 |
Optical disc apparatus
An optical disc apparatus comprises: rotating means for rotating an information recording medium; a light source for irradiating a light beam onto a data side of the information recording medium;...
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7050375 |
Apparatus for and method of generating optical recording pulse
An apparatus for and a method of generating an optical recording pulse having multi-pulse patterns suitable for a high-density and high-speed optical medium are provided. The apparatus for...
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7050367 |
Optical information recording method and apparatus, and recorded medium where optical information recording control program is recorded
An optical information recording method and a device which can record information with a laser light irradiating direction kept constant even if an information recording surface of an optical...
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7038995 |
Optical pickup for optically reading/writing data including convergent and aberration correction optical systems
A lightweight, highly reliable optical pickup including a singlet objective lens is offered by correcting coma aberrations which adversely affect properties of the objective lens having an...
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7028203 |
Information processing system and information processing apparatus
Battery information is transmitted from a recording and playback apparatus to a host computer. In the host computer, based on the time for which operation can be continued, corresponding to the...
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7023775 |
Recording apparatus and method, and reproduction apparatus and method for recording data to or reproducing data from a write once type information recording medium, and write once type information recording medium
A recording method for recording, on a write once type information recording medium, management information representing a recording state of the write once type information recording medium is...
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6996046 |
Information recording apparatus and method
An information recording technique which, even when an interruption of recording operation takes place for some reasons, can make the most of the features of a recording medium and can record data...
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6977477 |
Systems, apparatus, and methods for motor control
Systems and methods are provided through which the current to a spindle motor of the recording medium of a mass storage device is modulated to avoid anomalies in the operation of mass storage...
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6967916 |
Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatus
An optical head apparatus capable of stably obtaining a detection signal of spherical aberration even with a high density optical disk. A spherical aberration error signal is obtained by: dividing...
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6965548 |
Method of unbalanced disc detection
A method of unbalanced disc detection in a slim type optical drive. In the method of the present invention, the slim type optical drive obtains a first tracking count per round of the disc at a...
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6963524 |
System and method for controlling interrupts in a control system for an optical disc drive
A control system for an optical disc for optical media with a premastered area that cannot be overwritten and a user-writeable area that can be overwritten, comprises a first processor operable to...
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6958963 |
System and method for handling events in an optical disc drive
A system and method for handling events issued as a result of error conditions in the operation of an optical disc drive include suspending processing of commanded operations in the disc drive...
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