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US20060203648 Information storage medium and method and apparatus for recording/reproducing data on/from the same  
A method of recording data on an information storage medium including a plurality of recording layers, each having a user data area, on which data is recordable by a pickup. Data is recorded in...
US20060023592 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...
US20050213481 Information recording medium, information reproducing apparatus, information reproducing method and information recording method  
An information recording medium includes a user information storage area which stores user information, a test write area which is extendable and for test write of information, a spare area which...
US20050025013 Stable write trial process with respect to optical record medium  
Provision is made to perform a write trial process in a stable manner at all times in a write trial area for the purpose of determining optimum recording power. Sub-areas of the write trial area...
US20070086294 Optical recording medium and information recording method  
An optical recording medium has a multi-layer structure recording layer structure recording layer portion including plural recording layers provided with tracks for guiding a recording light and...
US20050265183 Optical information recording apparatus  
There is provided an effective inspection technique of recording quality decided by a combination of a drive and a media. A standard media as a quality standard for various media is recorded and...
US20080198713 OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING METHOD, AND OPTICAL INFORMATION RECORDING APPARATUS  
An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the...
US20050265184 Optical information recording apparatus  
An optical information recording apparatus is suitable for detection of deviation between a strategy and a record pattern. Test record is performed on an optical recordable medium using a...
US20050030861 Test recording process control method and optical disk apparatus for determining accurate optimum recording power of laser light beam  
In an optical disk apparatus for a rewritable optical disk including a test area including a plurality of partitions, an erase process is performed by emitting a laser light beam of a DC erase...
US20050185537 Evaluation method, recording method, program and recording medium, and optical disk apparatus  
An optical recording apparatus can maintain an excellent recording quality. A recording quality is evaluated when recording information on an optical disc Test recording is performed on a...
US20080291799 Laser Power Calibration in an Optical Disc Drive  
Various systems, methods, and programs embodied on a computer-readable medium are provided for calibrating a laser power in an optical disc drive. In one embodiment, a range of reflectivity of an...
US20080212428 OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING METHOD, AND OPTICAL INFORMATION RECORDING APPARATUS  
An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the...
US20080198712 OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING METHOD, AND OPTICAL INFORMATION RECORDING APPARATUS  
An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the...
US20070183285 Optical disk apparatus and recording parameters setting method  
An optical disk apparatus and a recording parameters setting method are provided to more effectively execute recording parameter learning during data recording on the optical disk, thereby...
US20050259537 Method and apparatus of determining writing power for a recording medium  
Embodiments of a method and apparatus of determining writing power for an optical disk are disclosed where a relationship (e.g., linear coefficient) for finding optimal writing power according to...
US20080112287 OPTICAL DISK AND OPTICAL DISK DRIVE DEVICE  
An optical disk physical has a recording region divided into zones, each zone including physical tracks adjacent to each other. An integer number of sectors, are provided in each physical track....
US20090316545 Multi-layered recording medium, and method and apparatus for recording data  
A multi-layered recording medium, and a method and apparatus for recording data in the recording medium are disclosed. A multi-layered recording medium, each of which includes an inner area, a...
US20090262616 METHOD AND APPARATUS FOR DETERMINING OPTICAL DISC RECORDING PARAMETERS  
A method and apparatus for determining the parameters for disc recording is provided. For those discs that haven't pre-stored recording information or have pre-stored recording information not...
US20050117481 Method and device for recording information on optical information recording medium and the medium itself  
A method for recording information on an optical information recording medium 1, 11 having a plurality of recording layers for recording, reproducing or erasing data by irradiating a laser beam...
US20050243690 Optical recording medium, method of recording/reproducing data on/from optical recording medium, and apparatus for recording/reproducing data on/from optical recording medium  
An optical recording medium, a method of recording/reproducing data on/from an optical recording medium, and an apparatus for recording/reproducing data on/from an optical recording medium are...
US20050068871 System and method of determining optimum power for writing to an optical disc  
A method of determining optimum power for writing to an optical disc comprises performing a power calibration test that comprises writing test data to a user data area on the optical disc, and...
US20090059749 RECORDING METHOD, RECORDING APPARATUS, AND SIGNAL PROCESSING CIRCUIT FOR RECORDING INFORMATION ON OPTICAL RECORDING MEDIUM  
In a recording method or apparatus, in order to set an optimal recording condition by a minimal number of times of testing, test recording is carried out while changing power and pulse width of...
US20080212427 RECORDING CONDITION ADJUSTING METHOD OF OPTICAL DISC RECORDING/PLAYING SYSTEM, OPTICAL RECORDING PLAYING DEVICE AND OPTICAL DISC  
A recording condition adjusting method of an optical disc recording/playing system, including the steps of: measuring a playing signal obtained by playing a result written in an optical disc;...
US20060291352 Optical disc recording control method and optical disc recording control apparatus  
Before data is recorded in an optical disc, an optimum recording power is calculated in an inner peripheral part and in an outer peripheral part of the optical disc based on OPC learning. Before...
US20060233075 METHODS OF CALIBRATING SERVO SIGNAL BIAS FOR OPTICAL DISC  
Read focus error (FE) bias is calibrated on an embossed area of the optical disc. OPC is then performed with the calibrated servo signal bias to obtain a write power level. Data are written on and...
US20060239166 METHOD OF DETERMINING A WRITE STRATEGY  
A method of determining a write strategy when storing data on an optical disc in an optical storage device includes detecting a characteristic of the optical disc, determining an initial write...
US20070171794 Recording method, recording apparatus, and storage medium  
The present invention is related to a recording method, a recording apparatus, and a storage medium which determine an optimum recording power value by performing test writing on a test zone of a...
US20070121452 Test disc and drive verification method  
Data of capacity of about one-severalth of full capacity of a layer 0 and a layer 1 is recorded in a test disk in a range from the layer 0 to the layer 1, and middle areas of the layer 0 and the...
US20080137226 Method and apparatus for testing servo data on a disk medium in a disk drive  
According to one embodiment, in a disk drive having the function of performing a self-servo writing, the CPU is configured to calculate correction values for only those of servo tracks which have...
US20050030860 Method and system for optical medium power calibration  
Power settings for writing information to an optical medium are adjusted to compensate for variations in the optical medium from expected characteristics, such as recording layer variations, disc...
US20050237874 Optical disc medium, optical disc apparatus using the same, and data recording method in the same  
An optical disc medium includes a system area and a data area following the system area. The data area includes at least one bordered area and a border area after the bordered area. A record...
US20060203693 Optical disc apparatus and method of erasing information recorded thereon  
In an optical disc apparatus, before the information already existing on an optical disc is erased, the information recorded in a user data area of the optical disc is test-erased with laser light...
US20080013424 METHOD FOR RECORDING DATA IN OPTICAL DISC  
A method of recording data on an optical disc including a preceding recording layer and a following recording layer capable of having data recorded thereon. The method includes recording data on...
US20090135692 APPARATUS AND METHOD FOR DETERMINING WRITE STRATEGY, AND APPARATUS AND METHOD FOR RECORDING DATA  
An apparatus and method for determining an optimal write strategy when recording data onto an optical disk, and an apparatus and method for recording data, the method of determining a write...
US20070121450 Recording method, recording apparatus, program and recording control apparatus  
The present invention provides a recording method for recording information on a recording medium under one recording condition of a plurality of recording conditions. The recording method...
US20100238776 METHOD OF OPTIMIZING THE WRITE POWER FOR RECORDING MARKS IN AN INFORMATION LAYER OF A RECORD CARRIER AND RECORDING DEVICE USING SUCH AN OPTIMIZING METHOD  
A method of optimizing the write power for recording marks in an information layer of a record carrier by irradiating the information layer with a (pulsed) radiation beam. The method includes...
US20050068870 Optical information recording method, optical information recording equipment and optical information recording medium  
The object of the present invention is to reduce the time of a test recording when using the CAV recording method, and to allow a spindle motor to be inexpensive. When performing a test recording...
US20090109816 OPTICAL DISC APPARATUS AND OPTICAL DISC PROCESSING METHOD  
According to one embodiment, a calibration section controls an LD driving section so as to carry out test writing on a recording layer of an optical disc using a light pulse having relaxation...
US20050207299 Disk drive device and recording power setting method  
To realize a disk drive device capable of setting optimum recording power by obtaining amplitude information of a reproduced signal even when low recording power is used. A disk drive device for...
US20070115775 Method of determining optimum write power of optical disk and optical disk driving apparatus  
A method of determining an optimum write power of a recordable optical disk to control an optimum power of the recordable optical disk, and an optical disk driving apparatus using the same, the...
US20060203647 Apparatus and method for improving deviation of optimum power calibration (OPC)  
A method of improving a problem of a deviation of an optimum recording optical power, which is capable of reducing deviation of OPC (Optical Power Calibration) power and shortening a Lead-in time...
US20050237884 Information recording apparatus and method, and computer program product  
An recording apparatus is provided with: an recording device for recording information onto an recording medium by irradiating laser light; and a measuring device for measuring reproduction...
US20060203645 Apparatus and method of determining a power parameter for writing/erasing information on an optical medium  
The invention relates to an apparatus and method of determining a value of a write/erase power parameter (Ptarget) for writing/erasing information on an optical recording medium by means of a...
US20050152247 Disk drive  
A disk apparatus includes a DSP (Digital Signal Processor), and the DSP performs a test writing and a test reading on a magneto-optical disk rotated in a ZCLV system to obtain an optimal...
US20060215517 Determination of adaptive writing strategy for recording data onto optical information recording medium having full calibration area  
The invention is to provide a method for determining an adaptive writing strategy and for controlling, according to the adaptive writing strategy, an optical information recording apparatus to...
US20070206466 OPTIMUM POWER CONTROL FOR OPTICAL STORAGE MEDIA  
An optimal power calibration process in which an OPC process is performed on the outer OPC area (12) of an optical disc (10) at a plurality of write speeds a, b and c, and an OPC process is also...
US20060274616 OPC-performing method restudying optical source drive characteristics after OPC recording and OPC measurement and optical recording/reproducing apparatus using the same  
An optical recording/reproducing apparatus and an OPC-performing method are provided for restudying drive characteristics of an optical source after performing OPC test recording and OPC...
US20090268573 OPTICAL DISC RECORDER AND VIBRATION SENSITIVE CONTROL METHOD  
According to one aspect, an optical recorder for recording data onto a disc includes a shock detector. The shock detector is used for determining whether the optical recorder is vibrated based on...
US20080259757 Method of Adjusting Writing Parameters, Optical Disc Writer and Method of Recording Data Using the Same  
The present invention discloses a method of adjusting writing parameters, comprising the steps of testing a region to be written in a re-writeable optical disc without changing writing power...
US20070053265 Laser power control apparatus for optical disk player  
The optical disk player is capable of writing data with optimum laser power corresponding to temperature. In the optical disk player, a laser diode irradiates a laser beam. A photo sensor detects...

Matches 1 - 50 out of 125 1 2 3 >