Matches 1 - 50 out of 131 1 2 3 >


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US20050185558 Recording medium, recording apparatus and recording method  
Optimum movement of first and last signal pulses based on the data pattern is determined before data recording to record marks in the correct position. A specific pattern signal is read from a...
US20060153055 Recording medium, and method and apparatus for recording data in the recording medium  
A recording medium, and a method and apparatus for recording data in the recording medium are disclosed. The recording medium including at least two record layers, each of which includes an inner...
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...
US20110058460 OPTICAL INFORMATION STORAGE MEDIUM REPRODUCTION APPARATUS AND CONTROL METHOD OF THE SAME  
In an optical information storage medium reproduction apparatus (10) for reproducing an optical information storage medium including a plurality of information recording layers each including a...
US20050219983 Phase change optical information recording medium, information recording method and apparatus therefor, and information erasing method therefor  
A phase change optical information recording medium including: a substrate; and a recording layer which is located overlying the substrate and in which marks are to be formed to store information,...
US20100254234 Optical information recording medium and optical information processing apparatus  
This invention allows super-resolution reproduction with which a better bER value is attainable, when information is recorded by a random pattern including a mark length not longer than a...
US20090279398 Portable recorder/players with power-saving buffers  
In electronic devices such as combination CD-ROM and MP3 recorder/players power is conserved by buffering audio or visual data in a solid state memory, preferably of the FLASH or DRAM type, before...
US20050190670 Method and apparatus for reproducing information recorded on a super resolution information storage medium  
A method of and apparatus for reproducing information recorded in a super resolution information storage medium (SRISM) using an appropriate actual reproduction power, which is actually...
US20110205874 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...
US20100246345 OPTICAL INFORMATION STORAGE MEDIUM REPRODUCTION APPARATUS AND CONTROL METHOD OF THE SAME  
In an optical information storage medium reproduction apparatus (10) for reproducing an optical information storage medium including a plurality of information recording layers each including a...
US20100232269 OPTICAL INFORMATION STORAGE MEDIUM REPRODUCTION APPARATUS AND CONTROL METHOD OF THE SAME  
In an optical information storage medium reproduction apparatus (10) for reproducing an optical information storage medium including a plurality of information recording layers each including a...
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...
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...
US20060140074 Optical information recording apparatus and method  
Recording of information by utilizing a holography to each information recording area while moving a record medium having information recording areas by means of a practical light source. For...
US20090154315 INFORMATION RECORDING MEDIUM, RECORDING METHOD, RECORDING APPARATUS AND INTEGRATED CIRCUIT  
An information storage medium according to the present invention is adapted for multiple different writing speeds and stores in advance writing conditions associated with each of the multiple...
US20060077882 Optical recording medium, recording/reproducing method and recording/reproducing apparatus  
An optical recording medium, a recording and/or reproducing method and a recording and/or reproducing apparatus by which data can be quickly recorded according to an optimum recording and/or...
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...
US20060062116 Optical data link capable of compensating tracking error  
The present invention provides an optical data link capable of compensating the fluctuation due to the tracking error. The data link of the invention provides a look-up-table in which a plurality...
US20050083828 APPARATUS AND METHOD FOR LASER POWER CONTROL  
A high-speed optical disc recording apparatus includes a laser diode for generating multi-pulse light pulses and a photodiode outputting a measured power of the light pulses. An NRZI pattern...
US20100232268 METHOD AND APPARATUS FOR RECORDING AND REPRODUCING OPTICAL INFORMATION, AND RECORDING MEDIUM  
Ordinary optical disks need the resetting of recording conditions in the course of recording to cope with changes in ambient temperature, laser temperature, and medium's recording sensitivity....
US20050276181 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor  
A recording and/or reproducing apparatus, a recording and/or reproducing method, and an information storage medium, wherein the recording and/or reproducing apparatus includes: a writing and/or...
US20050002316 Laser driver circuit with reduced noise and optical pickup circuit for use with the same  
An optical pickup with a laser driver circuit is provided to overcome an increase in size of an optical pickup, which is caused by a ferrite bead or capacitor being provided in a drive current...
US20060067186 Information recording and/or reproducing apparatus, information recording and/or reproducing method, and phase-change recording medium for use in the apparatus and the methods  
An information recording apparatus for recording multi-leveled information in a phase-change recording medium by the application of a laser beam thereto by modifying a power level of the laser...
US20060126463 Optical recording and reproducing apparatus  
From optimum power set values of Pwp1 and Pwp2 obtained by performing an OPC on Layer 1 and Layer 2, respectively, an interlayer power ratio α=Pwp2/Pwp1 is obtained. In transition from Layer 1 to...
US20050111314 Write control parameter optimizing apparatus, write control parameter optimizing method, recording apparatus, and recording method  
A write control parameter optimizing apparatus for use in a recording apparatus for recording digital data in a recording medium, comprises means for recording random data as data packets by using...
US20100165805 METHOD AND APPARATUS FOR DETERMINING AN OPTIMUM POWER LEVEL  
A fast optimum power control method is disclosed, with a laser power level being adjusted in a predetermined sequence at an ADIP/ATIP frame of an optical recording medium. Jitter is measured at...
US20050180280 Information recording and reproducing apparatus  
A laser waveform generation function is provided in a laser driving waveform generator 2 near a laser 3. A recording clock generator 9 is included in the laser driving waveform generator 2 to...
US20050270959 Recording method for optical recording medium, and optical recording apparatus  
The present invention is a recording method for optical recording medium forms a few types of amorphous mark vary from at least any one from length and area upon repeated irradiation by a...
US20050147004 Audio data recording/reproduction system and audio data recording medium therefor  
An audio data recording/reproduction system which is simple in configuration, convenient and safe to use, and an audio data recording medium therefor is to be provided. A music data recording...
US20070211594 Method of compensating for write power of a light source in an optical disk apparatus and optical disk apparatus using the method  
A method of compensating for a write power of a laser beam in an optical disk apparatus may include determining whether a predetermined write condition is satisfied, stopping a write operation if...
US20060181983 Optimum power control for multilayer optical disc  
A method of recording information on a multilayer record carrier includes a power control procedure for setting the writing power of a recording beam for a lower recording layer (41). First an...
US20060153042 Method for determining optimum recording condition and optical recording/reproducing apparatus using the same  
A method for determining an optimum recording condition of an optical recording/reproducing apparatus is used for recording data into an optical disc. Data is first written into a plurality of...
US20050286382 Optical disk apparatus and control program for the same  
The program is capable of writing data in optical disks with absolutely optimum set values. In the program, a command sending function performs the steps of sending commands to make an optical...
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...
US20070195666 Method to determine optimum erase power in optical disc apparatus  
A method to determine an optimal erase power in an optical disc apparatus detects optimal erase power in an erasing operation before performing an optimum power calibration (OPC) for detecting...
US20100165807 LASER BEAM RECORDER AND METHOD FOR CONTROLLING A LASER BEAM RECORDER  
The present invention relates to a method for controlling a LBR (Laser Beam Recorder) (56) suitable for mastering a record carrier (60) by writing data in the record carrier in circular or spiral...
US20060158983 Optical reproducing method and optical reproducing system  
A super resolution optical reproducing system, which can recognize a recording mark less than a resolution limit, removes the effect of a high-frequency noise component of a high power signal...
US20050265167 Reproducing device or recording/reproducing device or video display device incorporating reproducing device or recording/reproducing device  
The invention provides a reproducing device or recording/reproducing device having an off-timer function with improved operability, power saving, versatility and degree of freedom for the user or...
US20090161507 Infromation Recording/Reproducing Apparatus  
Provided is an information recording/reproducing apparatus which suppresses consumption of a battery and prevents wasteful power consumption in the case of failing in recording and dubbing...
US20090003155 OPTICAL INFORMATION RECORDING DEVICE, OPTICAL PICKUP, OPTICAL INFORMATION RECORDING METHOD AND OPTICAL INFORMATION RECORDING MEDIUM  
An optical information recording device, which emits a first beam to one side of an optical information recording medium and a second beam to the other side and forms a recording mark or a...
US20100014394 WRITE-ONCE-READ-MANY OPTICAL RECORDING MEDIUM AND RECORDING METHOD THEREFOR  
A recording method including: recording on a write-once-read-many optical medium capable of recording and reproducing with a blue laser by CAV, ZCLV, or PCAV, wherein a laser emission pattern...
US20080019242 OPTICAL DISC AND OPTICAL DISC APPARATUS  
A control data area of an optical disc holds correction information for correcting a recording laser power Pmax determined by performing trial writing. The recording laser power Pmax determined by...
US20060133241 Optical disk apparatus  
An optical disk apparatus includes: a recording unit for recording data on an optical disk set on an apparatus main body; a temporary data recording unit for temporarily recording target data to...
US20050237885 Laser power control method of optical recording/reproducing apparatus  
A method for controlling laser power of an optical recording/reproducing apparatus includes the following steps. Firstly, a writing procedure is performed with an initial electric power level...
US20100020653 Optical Disc Apparatus and Method for Recording Information Using the Same  
This invention provides an optical disc apparatus constructed to discriminate a disc ID of an optical disc on which information is to be recorded, then derive, from a strategy pre-registered in...
US20090323485 RECORDING OPERATION CONTROL DEVICE, INTEGRATED CIRCUIT, OPTICAL DISC RECORDING/REPRODUCING DEVICE, AND RECORDING OPERATION CONTROL METHOD  
An information recording precision calculating section (104) calculates an information recording precision for each recording power based on a reproduced RF signal obtained when reproducing...
US20090103404 Optic disk drive power management method for computer system  
Disclosed is an optic disk drive power management method for a computer system, which uses a keyboard controller, together with a system basic input/output system of the computer and a virtual...
US20060140086 Optical data write/reproduce device for determining optimum write strategy and writing data according to optimum writ strategy, and method thereof  
An optical write and reproduce device is provided to determine an optimum write strategy from a broader selection of choices. The optical write and reproduce device has an optical pick-up part for...
US20050207292 METHOD AND APPARATUS FOR RECORDING DATA ON OPTICAL DISKS  
A method for recording data on an unformatted optical disk, wherein the optical disk has a lead-in zone and a data zone, includes: writing a storage data into the data zone according to a...
US20120170432 READ POWER CONTROL  
Techniques are provided for controlling the reading of micro-holograms from a holographic disk based on a target data layer to be read in the disk. Reading a target data layer which is relatively...

Matches 1 - 50 out of 131 1 2 3 >