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Dynamic Information Storage Or Retrieval > Control Of Storage Or Retrieval Operation By A Control Signal To Be Recorded Or Reproduced > Mechanism Control By The Control Signal > Control Of Transducer Assembly Mechanism > Power Control For Energy Producing Device Power Control For Energy Producing DevicePower Control For Energy Producing Device patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/17/08 - 20080013422 - Method of recording and/or reproducing data with respect to multi-layer information storage medium having optimal power control areas An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other, ... 01/17/08 - 20080013421 - Information storage medium An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other, ... 01/17/08 - 20080013420 - Method of recording data on information storage medium having multiple storage layers with optimal power control (opc) areas and buffer areas An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one ... 01/17/08 - 20080013419 - Method of recording data on information storage medium having multiple storage layers with optimal power control (opc) areas and buffer areas An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one ... 01/10/08 - 20080008065 - Method and apparatus for monitoring the power level of two or more optical transmitters Methods and apparatus for monitoring the power level of one or more optical emitters are provided. In some embodiments, optical signals from two or more optical emitters are directed at different regions of a photo detector. The photo detector may include two or more spaced contacts that are adapted to ... 01/10/08 - 20080008063 - Optimal power control The present invention relates to determining an optimised write power used for writing electronic data on optical disc and includes a method, a device and a computer program product for determining a write power for writing electronic data on a medium (32,108), based on a sequence of written data, using ... 12/20/07 - 20070291604 - Optical information recording method and optical information regeneration recorder, and signal processing circuit, and recording reproduction program and information recording medium An optical information recording method in an optical recording generation method for performing recording and reproduction of information by radiating laser light which is pulse-modulated according to a recording waveform having a plurality of setting parameters onto a storage medium is disclosed. The method comprises reading information recorded in the ... 09/27/07 - 20070223330 - 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 by dividing a recordable or rewritable area of the optical disk from an inner periphery thereof to an outer ... 09/06/07 - 20070206464 - Apparatus and method for choosing target write strategy in optical storage system An apparatus for selecting a target write strategy from a plurality of write strategies is disclosed. The apparatus includes a clock module, for monitoring time taken to write data to an optical disc and outputting a clock parameter; a first look-up table module comprising a plurality of write strategy control ... 08/30/07 - 20070201330 - Method for reproducing data from information storage medium having multiple storage layers with optimal power control (opc) areas and buffer areas An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one ... 08/30/07 - 20070201329 - Apparatus for reproducing data from information storage medium having multiple storage layers with optimal power control (opc) areas and buffer areas An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one ... 07/05/07 - 20070153649 - Optical disc drive and related method of determining optimum write power for writing data to optical disc A method for determining an optimum write power for writing data to an optical disc is disclosed. The method includes utilizing a plurality of candidate write powers for writing data to the optical disc; measuring at least a writing quality parameter corresponding to each of the candidate write powers, respectively; ... 07/05/07 - 20070153648 - Information storage medium storing different read power information A hybrid information storage medium includes a lead-in area storing basic information regarding the information storage medium, a lead-out area indicating an end of the information storage medium, and a plurality of types of data areas requiring different optimal read powers, wherein different optimal read power information respectively specifying the ... 06/07/07 - 20070127335 - Optical disk recording apparatus and optical recording method An optical disk recording apparatus includes an optical pickup that emits laser light to illuminate a recording surface of an optical disk, receives reflected light resulting from the laser light reflected off the recording surface, and generates a light reception signal based on the thus received reflected light; a laser ... 06/07/07 - 20070127334 - Power adjusting method for pickup head accessing optical disc and optical disc information reproduction device thereof A power adjusting method for a pickup head accessing an optical disc. The method includes identifying a target data transfer rate utilized by the PUH for accessing the optical disc; calculating an appropriate laser power according to the target data transfer rate; and accessing the optical disc by the PUH ... 05/31/07 - 20070121447 - Digital data recording method and data recording/reproducing apparatus The object of the present invention is to curtail the time required from the receipt of a demand for certification processing of a rewritable optical disk from an apparatus of the higher order to the receipt of a demand for recording processing. In order to achieve this object, a digital ... 05/31/07 - 20070121446 - Optical disc apparatus and optical disc reproducing method The object of this invention is to provide an optical disc apparatus and an optical disc reproducing method that can realize an excellent reproducing operation by suppressing noise in the optical disc apparatus using an optical attenuator. In order to solve this object, a control voltage of the optical attenuator ... 05/31/07 - 20070121445 - Optical information reproducing method Disclosed is a method of reproducing optical information by applying laser light to the medium while rotating a recording medium having concentric information tracks or a spiral information track so that the linear velocity of the medium is constant, and thereby reproducing the information recorded on the recording medium by ... 05/24/07 - 20070115770 - Optical pickup apparatus An optical pickup apparatus has a photodetector and a current-voltage conversion circuit to detect a laser beam emitted from a laser diode, and output a light detection signal which varies in voltage according to the laser beam power. An offset voltage controller sets an offset voltage which is a difference ... 03/08/07 - 20070053259 - Write strategy directory and method for maintaining the same A write strategy directory is stored in an optical recorder to provide optimum write strategies for the optical recorder to write optical discs according to characteristic values of the optical discs, respectively. The write strategy directory includes a fixed write strategy table recording therein first characteristic values of a first ... 01/18/07 - 20070014218 - Image forming apparatus capable of forming image on optical disk, and image forming method An image forming apparatus includes: a spindle motor (130) for rotating an optical disk (200); an optical pick-up (100) for applying laser light to the optical disk which moves in a radial direction of the optical disk; a stepping motor (140) for transporting the optical pick-up in the radial direction ... 01/18/07 - 20070014217 - Method of determining optimum recording power and optical disc recording/reproducing apparatus using the same A method of determining an optimum recording power with respect to a rewritable optical recording medium with multiple layers. The method includes the operations of writing a recording signal to an unrecorded area of a power calibration area (PCA) of the rewritable optical recording medium using a predetermined recording power, ... 01/18/07 - 20070014216 - Method of determining recording power and optical disc drive apparatus A method of determining a recording power, includes carrying out DC erase with respect to a power calibration area of a phase-change optical disc, recording data to with respect to the power calibration area carrying out the DC erase while changing recording power, reading the recorded data to obtain a ... 12/14/06 - 20060280072 - Optical disc recording and reproducing apparatus In a memory 23, types of a write strategy patterned into a plurality of patterns are stored. Prepit information in a land of an optical disc 25 includes a parameter of a recommended write strategy. Upon recording on the optical disc 25, a parameter of a recommended write strategy is ... 12/14/06 - 20060280071 - Recorder, a disc and a method for recording information on a disc When recording information in tracks or in a two-dimensional pattern care must be taken not to irradiate the adjacent tracks or pits. This results in a loss of data density on the recording medium because of the track pitch or pit distance that must be observed. A reduction in track ... 12/14/06 - 20060280070 - Radiation source driving device and method for driving a radiation source The invention pertains to a radiation source driving device for controlling a voltage fed to a radiation source in an information reproducing system comprising a radiation source controller for controlling the voltage fed to the radiation source, and a power supply for providing a working voltage to the radiation source ... 11/16/06 - 20060256680 - Optical disc device and disc reproducing method The first layer (DVD layer) is first reproduced using the red layer light. Thereafter, search for the second layer (HDDVD layer) is performed with the blue laser light in accordance with the reproducing operation being temporarily interrupted for menu display (display for chapter or language selection). If the second layer ... 11/16/06 - 20060256679 - Laser power controlling method for recording data and related apparatus A laser power controlling method for controlling power outputted from a laser to record data onto an optical disc and a related apparatus are disclosed. The laser power controlling method includes writing data onto the optical disc according to a characteristic of a write power of the laser, halting writing ... 11/16/06 - 20060256678 - Write strategy for a data storage system A device for recording information in a track on a record carrier writes and reads marks that represent the information. A radiation source control unit (29) controls the power of the radiation source during said writing via power patterns. The marks have a number of different shapes due to different ... 10/12/06 - 20060227682 - Determination of optimum writing strategy for recording data onto recordable optical disk The invention is to provide a method for determining an optimum writing strategy for an optical disk drive to record data onto a recordable optical disk. According to a preferred embodiment of the method of the invention, a pre-stored third type datum is retrieved from the recordable optical disk. Then, ... 10/05/06 - 20060221787 - Method for evaluating optical recording medium, optical recording medium, and information-recording/reproducing apparatus The reproduction durability of an optical recording medium is evaluated highly accurately in a short period of time by providing a method for evaluating the optical recording medium, the method including determining an operating laser power for heating a recording layer to a recording operating temperature; determining a temperature of ... 08/24/06 - 20060187781 - Optical disc apparatus An optical disc apparatus for recording information on a rewritable optical disc having a power calibration area (PCA) moves an optical pickup for optimum recording power calibration (OPC) from an innermost end to outward of the PCA, and stores an address where RF signal is first detected. If the stored ... 08/17/06 - 20060181984 - Method and apparatus for automatically controlling output of laser diode A pickup of an optical reproducing/recording apparatus having a laser diode generating an optical signal with a current power value, and a laser diode power control device automatically controlling an output of the laser diode. The laser diode power control device has a sampler sampling the current power value of ... 08/17/06 - 20060181983 - 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 upper area in an upper recording layer (40), i.e. the recording layer closest to the laser entry side ... 08/10/06 - 20060176791 - Optical disk, and related apparatus and method A laser-beam-scanned optical disc includes an information recording area and an information management area. The information management area stores recording management information having portions corresponding to respective integer multiples of a normal velocity relating to scanning of the disc. Each of the portions of the recording management information contains a ... 08/10/06 - 20060176790 - Optical disk writing and reading apparatus, and method thereof An optical disk writing and reading apparatus and a method thereof is provided. The optical disk writing and reading apparatus has an optical pick-up for writing or reading data on an optical disk by using a laser light of a certain wavelength, an optical power calculation part for calculating an ... 08/03/06 - 20060171270 - Optical disc device An optical disc device includes a recording power acquiring unit that finds an optimum recording power when data is written in a data area by writing data for calibration in a power calibration area, and a data writing unit that writes data in a data area to be written by ... 07/27/06 - 20060164939 - Apparatus for sensing defect of optical disk The present invention provides a deficiency detecting apparatus that can accurately detect dusts and deficiencies on an optical disk even when an emitting power of a laser light source changes. The deficiency detecting apparatus is provided with a deficiency detecting section for detecting deficiencies or the like on an optical ... 07/20/06 - 20060158984 - Laser diode drive circuit and amplifying circuit for optical disc recording and/or reproducing apparatus A laser diode drive circuit for an optical disc recording and/or reproducing apparatus includes a plurality of laser diodes to output laser beams having different wavelengths, a switch circuit for selectively connecting a required laser diode from a plurality of laser diodes, a laser diode drive power supply circuit for ... 07/20/06 - 20060158983 - 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 obtained by irradiating a laser beam with high read power. The same recording region of an optical recording medium is ... 07/20/06 - 20060158982 - Recording methods and devices for recording information on dual layer recordable disks The invention relates to recording methods for recording information on a dual layer recordable disk, and to corresponding recording devices. In one such method and recording device the OPC-area is variably located on a layer of the disk. In a preferred embodiment the OPC-area is located relative close to the ... 07/20/06 - 20060158981 - Method for two dimensional control of mark size on an optical disc, write strategy for such a method, recording medium and recorder using two dimensional control of mark size An optical recording method is disclosed for writing a two-dimensional data pattern in a phase-change disc, i.e. a optical disc with a phase change material. The effect of thermal cross-erase is used by using the sides of the diffraction limited laser spot to heat up the adjacent track such that ... 07/13/06 - 20060153027 - Monitor and adjust method for optical disc recording A method is disclosed for adjusting write power when recording an optical disc. First, pre-setting a range of a write quality parameter and a write power. Next, moving a spindle motor and an optical pickup head to a target track. After the spindle motor is stable at the intended rotation ... 07/06/06 - 20060146670 - Information recording device An information recording device comprising at least a recording pulse generating means and a recording pulse selecting means capable of generating various multi-pulses each of which is a combination of a leading heating pulse and a succeeding heating pulse, and rectangular pulses each of which is a single pulse, as ... 07/06/06 - 20060146669 - Power control method for eliminating output power offset of a pick-up head in an optical disc drive A power controlling method for eliminating output power offset of a pick-up head in an optical disc drive. The power control method includes measuring a first predetermined power related to a first predetermined control signal in a predetermined procedure, inputting a test data containing a plurality of first bits and ... 07/06/06 - 20060146668 - System and method for multi-laser write operations to an optical medium An information handling system optical drive improves information write speeds by using multiple lasers in conjunction with each other to perform a write to an optical medium data or label surface. One or more lasers illuminate the optical medium at a preheat spot with a preheat power and one laser ... 06/29/06 - 20060140087 - Multi-layered high-density recording medium and optical power adjusting method therefor A multi-layered high-density recording medium and an optical power adjusting method for use with the same. Control information is pre-recorded in a specific area of at least a specific recording layer among the multiple recording layers, wherein the control information and includes each reference power information for respective recording layers. ... 06/29/06 - 20060140086 - 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 emitting a light signal onto an optical disk to write and reproduce data, a memory part for storing ... 06/29/06 - 20060140085 - Optical disk apparatus for recording data on multilayer optical disk When recording data on a multilayer optical disk, the recording power for a recording layer provided further from the laser beam incident side is optimized. An optical disk includes a first layer and a second layer. When recording data onto the second layer, the amount of return light at the ... 06/29/06 - 20060140084 - Optical information recording device, optical information recording method, and signal processing circuit It is an object of the present invention to improve a margin to meet good recording quality by conducting a realtime correction of a recording condition of a medium with different recording characteristics for inner and outer circumferences. To accomplish the object, control factors for power and a pulse width ... 06/29/06 - 20060140083 - Apparatus for writing a data to an optical storage media and servo control unit and laser diode driver unit thereof An apparatus for writing data to an optical storage media and a servo control unit and a laser diode driver unit thereof. The apparatus making a laser diode emit light includes a servo control unit and a laser diode driver unit. The servo control unit includes a control unit for ... 06/22/06 - 20060133241 - 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 be recorded on the optical disk on a non volatile recording medium when the recording unit records the ... 06/22/06 - 20060133240 - Recording apparatus for generating write pulse control signals suitable for various types of optical recording media A recording apparatus for generating write pulse control signals suitable for various optical recording media includes a pattern detector receiving a non return to zero inverted (NRZI) signal and distinguishing between information about a mark and information about a space, a memory storing timing parameters for a start pulse, a ... 06/22/06 - 20060133239 - System and method for laser write power calibration Systems and methods for calibrating laser write power in a digital media drive are disclosed. The method includes writing to a calibration portion on a digital media labeling layer with energy from a laser. The writing includes using at least two different laser power settings within the calibration portion. The ... 06/22/06 - 20060133238 - Disk tray mechanism for reproducing apparatus The invention relates to a tray mechanism consisting of sliding means comprising an electrical tray motor, for moving a tray—provided for containing a disc (for example an optical disc) on which information is recorded—from a projected position, for the placement of the disc or its discharge, to a contained one, ... 06/22/06 - 20060133237 - Optical recording method and optical recorder A write strategy for use in recording is determined from recommended write strategy parameters recorded on an optical disk (160) and the characteristics of the optical recording device used in recording; a recommended asymmetry value is determined from the difference between the numerical aperture NA1 of the objective lens, which ... 06/15/06 - 20060126463 - 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 Layer 2, the last laser power Pwr1 of Layer 1 adjusted by an R-OPC is multiplied ... 06/15/06 - 20060126462 - Optical recording and reproducing apparatus An optimum power set value Pwp1 for Layer 1 obtained by an OPC is used as an initial value Pw21 of the OPC for Layer 2. At this time, an inclination Ia is obtained from an approximation line of a β value for Layer 1 (recording power to the β ... 06/01/06 - 20060114781 - Method and apparatus for performing writing test using charge pumps in optical disk reproducing and recording apparatus Provided are a method and apparatus for performing a writing test using charge pumps in an optical disk reproducing/recording apparatus. In the apparatus for performing the writing test, an optimum power control (OPC) determining unit determines a phase of a radio frequency signal using a reference voltage, and generates a ... 06/01/06 - 20060114780 - Method and recording device capable of selecting a write strategy applied to an optical disc A method and a recording device capable of selecting a preferred write strategy from a plurality of write strategies for an optical disc. The optical disc contains a characteristic value. The method includes: reading the characteristic value from the optical disc; selecting a first write strategy from the write strategies ... 05/25/06 - 20060109759 - Method for determining optimum recording power using gamma curve A method for determining an optimum recording power by using the analysis of a gamma curve, includes the steps of receiving a data recording start command; determining an area to conduct an optimum power control (OPC) procedure by examining a count area in a power calibration area (PCA) of an ... 05/11/06 - 20060098542 - Optical disc device In an optical disc device that records information on a recordable optical disc having a power calibration area (PCA), recording operation is started with an input of a recording command. If an operating environment changes largely along with the recording operation, in order to perform an optimum recording power control, ... 04/27/06 - 20060087939 - Optical disc device When a main controller in an optical disc device for recording information on a rewritable optical disc having power calibration area (PCA) receives a signal from a disc detection sensor indicating the presence of optical disc, the main controller allows an optical pickup to seek to the PCA, and detects ... 04/20/06 - 20060083132 - Method and apparatus for improving recording optical disk writing quality of optical disk writer This invention relates to a method of improving the writing quality of an optical disk writer, and the writing method comprises the steps of: writing data into a plurality of blocks divided from the inner loop to the outer loop of the recording optical disk and each block corresponding to ... 04/13/06 - 20060077824 - Power determining method in optical disk recording apparatus having a plurality of pickups A method is designed for determining optimum power values of optical beams emitted from a plurality of optical pickups provided in an optical disk recording apparatus. In the method, a first step is performed for performing test recording of data by use of the plurality of the optical pickups, respectively, ... 04/13/06 - 20060077823 - System and method for automatically calibrating light emitting device A method of automatic light emitting device calibration includes providing an optical device having a light emitting device and a photo monitor; controlling power of the light emitting device by changing values of a drive signal to the light emitting device; detecting light emitted by the light emitting device and ... 04/06/06 - 20060072405 - System and method for disc labeling An optical disc drive reads identification information from an optical disc inserted in the drive in a label orientation having a label side presented to the optical disc drive laser by reading codes marked at the opposing storage side in a transparent region or marked on the label side oriented ... 04/06/06 - 20060072404 - Method and system for managing data storage on optical media using scan-before-burn techniques A method and system for reducing errors when storing data on a marginal optical storage media. Write parameters for writing information to the optical storage media are adjusted to compensate in the quality of the storage media. In one embodiment of the invention, the drive uses a scan-before-burn routine to ... 04/06/06 - 20060072403 - Recording condition setting method, recording method, recording medium, and optical disc device In a recording condition setting method, a plurality of setting values of record timing conditions are acquired for a number of group data conforming to a linear velocity of an optical disk, rotated by a constant angular velocity (CAV), at a record position on a recording surface where information is ... 03/30/06 - 20060067186 - 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 beam into two or more power levels so as to correspond to the multi-leveled information to be recorded, and setting a ... 03/23/06 - 20060062113 - Optical information recording apparatus, information processing apparatus, optical information recording medium, optical information recording method, and computer-readable storage medium An optical information recording method records information with respect to an optical information recording medium having a multi-layer structure recording layer formed by a plurality of recording layers each capable of recording information, and carries out an Optimum Power Control (OPC) prior to carrying out the recording. Recording conditions that ... 03/23/06 - 20060062112 - Power efficient scheduling for disc accesses A device for scanning a record carrier has a head for scanning a track for reading and/or writing information. A disc scheduler controls receiving requests for accessing the record carrier, the requests including streaming requests regarding real time information and auxiliary requests (44) regarding auxiliary information. The disc scheduler reduces ... 03/02/06 - 20060044968 - Optical information recording method, optical information recording device and optical information recording medium An optical information recording device includes a linear velocity setting circuit for setting a first linear velocity v1 and a second linear velocity v2 higher than the first linear velocity v1 for a optical information recording medium, a recording pulse generation circuit for generating a recording pulse signal, depending on ... 02/09/06 - 20060028940 - Method and apparatus for controlling power during recording of a visible image in an optical storage medium A controlling unit 130 of an optical disc recording apparatus judges a failure of a focus servo in accordance with an output signal of a servo circuit 107. When a failure of the focus servo is detected, a laser light irradiating position at the time of the failure is obtained ... 02/09/06 - 20060028939 - Method for controlling read power and open-loop read control device using the same A method for controlling read power and an open-loop read control device using the same. The open-loop read control device is used in an optical disk writer and includes a memory, a DAC and an amplifier. The optical disk writer includes a pickup head device having a laser diode. When ... 02/02/06 - 20060023590 - Optical disc recording method and information recording and reproducing apparatus An optical disc recording and reproducing apparatus are provided in which even if a focusing error signal fluctuates suddenly by surface deflection or an obstacle such as scratch or dust on the surface of an optical disc, an effective recording laser power does not decrease but proper recording, erasure, and ... 01/26/06 - 20060018221 - Optical information recording apparatus capable of optimizing laser power In an optical information recording apparatus, information about the number of times of overwriting that is recorded on a recording medium is reproduced by a reproduction unit, and based on that number, one of prestored reference values of modulation factor is selected. Laser power that can achieve the selected reference ... 01/19/06 - 20060013086 - Method for generating write pulse in optical disk drives The present invention discloses a method for generating a write pulse in an optical disk drives, which comprises the steps of: determining an encoded signal; providing a lookup table that integrates a plurality of various types of parameters used for a write pulse signal in different numbers of cycles for ... 01/12/06 - 20060007819 - Optical memory device An optical memory device records and reproduces information by forming marks and lands in an optical information recording medium. The optical memory device includes: a first measuring part for measuring a length of each of the marks when information is recorded in the optical information recording medium using a reference ... 12/29/05 - 20050286366 - 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 disk apparatus read data from an optical disk; measuring pulse widths of high level sections and low level ... 12/29/05 - 20050286365 - Initial setting of power of radiation beam for reproducing data recorded on optical information medium The present invention provides a method for initially setting a power of a radiation beam for reproducing data recorded on an optical information medium. The method, according to the invention, can be applied in an optical information reproducing apparatus to resolve the problems resulting from a decayed optical pick-up unit ... 12/22/05 - 20050281154 - Information recording apparatus for controlling recording power of a recording medium having a constant linear density, an information recording method, an information recording program, a recording medium that can be read and written to by a computer, an An information recording apparatus that records information with a substantially constant linear density in a circumferential direction of a recording medium having a disk shape, includes variable velocity recording control means, recording power modification means, recording power storage means, and initial recording power value setting means. ... 12/22/05 - 20050281153 - Optical memory device An optical disk device sets an optimal write strategy for an optical disk within a short time period. The optical disk device includes a write strategy setting part for measuring a deviation in information recorded in a test area within the optical information recording medium to set a write strategy, ... 12/08/05 - 20050270935 - Information storage medium An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other, ... 12/08/05 - 20050270934 - Information storage medium and method and apparatus for recording and/or reproducing data An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one ... 12/08/05 - 20050270933 - Information storage medium, method and apparatus reproducing data there from An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition. Optimal power control areas in odd-numbered and even-numbered information storage layers viewed from a direction in which light is incident upon the information ... 12/01/05 - 20050265165 - Information-recording method and information-recording medium An information-recording method includes the steps of moving a light beam at a selected linear velocity relative to the information-recording medium; controlling the light beam to generate a multi-pulse having at least three power levels of a first power level Ph, a second power level P1 which is lower than ... 11/24/05 - 20050259537 - 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 recording position can be detected at a recording speed and an optimal power calibration operation can be performed at each of ... 10/20/05 - 20050232102 - Calibration method for optical disk drive signal and device doing the same The present invention with an optical disk drive controller and an optical pickup head connected together by a flexible cable is described. The device includes a delay adjusting module located within the first module for delaying a first signal by an amount specified by a calibration signal. The first module ... 09/22/05 - 20050207292 - 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 predetermined laser power before the lead-in zone records data; and beginning to write disk information into ... 09/15/05 - 20050201228 - Method and apparatus for recording/reproducing information with respect to optical recording medium A method and an apparatus are provided, which enable a user's standby time to be shortened or utilized effectively in the course of recording/reproduction of information with respect to an optical disk. Information recorded on a disk is reproduced preferentially, and after counting for a predetermined period of time, recording ... 09/15/05 - 20050201227 - Optical disc apparatus manufacturing method and optical disc apparatus A method for manufacturing an optical disc apparatus including: reading by an optical pickup head a medium on which signals are recorded with appropriate optical power; leading an RF signal corresponding to the recorded signal obtained from the medium by the reading by the optical pickup head to a β ... 09/08/05 - 20050195709 - Information storage medium and method and apparatus for recording/reproducing data on/from the same An information storage medium on which data is recorded after performing optimum power control (OPC) and a method and apparatus to record/reproduce data on/from the information storage medium, wherein the recordable information storage medium has a plurality of recording layers and a pickup irradiates a beam onto the information storage ... 09/01/05 - 20050190670 - 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 appropriate for reproduction, by actively detecting a threshold region that varies according to the reflectivity of the SRISM are provided. The method of reproducing ... 08/18/05 - 20050180280 - 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 generate a clock with a frequency higher than that of a synchronizing clock 202. This allows a ... 08/04/05 - 20050169131 - Optical recording and reproducing apparatus Laser power adjustment is performed using a power calibration area (PCA) until the PCA is used up. After the PCA is used up, an additional PCA is reserved at the next recording start position and laser power adjustment is performed using the additional PCA. When an additional PCA is reserved, ... 07/07/05 - 20050147001 - Method or recording information, computer program, computer readable storage medium, and optical disk apparatus that stably record information on optical disk with high recording quality In an optical disk apparatus that records information by emitting a laser light beam from a light source to an optical disk which includes a recording area having a first zone on which information is recorded with a first optimum recording power of a laser light beam at a first ... 06/30/05 - 20050141366 - Information recording method, and optical disk apparatus An information recording method includes the steps of carrying out an experimental write on both inner-peripheral and outer-peripheral experimental writing areas, in the case of the outer-peripheral experimental writing, a constant recording power computed on the basis of the optimum recording power is used, which is estimated by the inner-peripheral ... ### FreshPatents.com Support |