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| Number | Title | Issue Date |
| 8189442 | Recording/reproducing device including recording parameter setting device, and nontransitory computer-readable medium storing program for causing computer to operate as the same A recording parameter setting device includes a trial recording parameter setting section and a reproduced signal quality judging section. The trial recording parameter setting section sets a trial recording parameter capable of controlling a heat level at least rea... | 05/29/2012 |
| 8184517 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 05/22/2012 |
| 8179765 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 05/15/2012 |
| 8179763 | Optical disc, information recording method, and information reproducing method According to one embodiment, a re-recordable write-once optical disc by which recording/reproducing can be properly done with a short-wavelength blue laser is provided. The disc has recording layers on which marks are recorded by the laser power of a modulated short... | 05/15/2012 |
| 8179764 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 05/15/2012 |
| 8174948 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 05/08/2012 |
| 8169871 | Hybrid laser diode drivers that include a state machine Provided herein are hybrid laser diode drivers (LDDs) that drive a laser diode in response to receiving enable signals from a controller. In accordance with specific embodiments, a hybrid LDD includes a read channel to selectively output a read current, one or more ... | 05/01/2012 |
| 8169872 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 05/01/2012 |
| 8169873 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 05/01/2012 |
| 8169874 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 05/01/2012 |
| 8169869 | Recording parameter setting device and method using pulse sequences A recording parameter setting device setting parameters of pulse sequences forming recording marks on recording media. The device includes a storage section storing first and second look-up tables, and a recording parameter setting section for obtaining from the tab... | 05/01/2012 |
| 8169870 | Recording/reproducing device and method using pulse sequences, and information recording medium A recording/reproducing device includes a laser and a laser drive carried by a pickup having a drive for movement. A control controls the drives to irradiate the recording medium with laser pulse sequences forming recording marks having recording mark lengths betwee... | 05/01/2012 |
| 8165001 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 04/24/2012 |
| 8165000 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 04/24/2012 |
| 8159921 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 04/17/2012 |
| 8159919 | Method and apparatus for optimizing optical recording Aspects of the disclosure can provide a method to optimize optical recording. The method can include recording a pre-defined pattern on an optical medium according to a first write strategy, measuring edge timings corresponding to the pre-defined pattern recorded on... | 04/17/2012 |
| 8159920 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 04/17/2012 |
| 8154969 | Recording parameter setting device and method using pulse sequences A recording parameter setting device setting parameters of pulse sequences forming recording marks on recording media. The device includes a storage section storing first and second look-up tables, and a recording parameter setting section for obtaining from the tab... | 04/10/2012 |
| 8154970 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 04/10/2012 |
| 8154968 | Method and apparatus for optimizing optical recording Aspects of the disclosure can provide a method to optimize optical recording. The method can include recording a pre-defined pattern on an optical medium according to a first write strategy, measuring edge timings corresponding to the pre-defined pattern recorded on... | 04/10/2012 |
| 8154971 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 04/10/2012 |
| 8149673 | Optical recording method, optical recording device, master medium exposure device, optical information recording medium, and reproducing method An optical recording method for recording information by irradiating an optical disc medium with a modulated write pulse train of laser light variable over a plurality of power levels such that a plurality of marks are formed on the optical disc medium, edge positio... | 04/03/2012 |
| 8149674 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 04/03/2012 |
| 8144559 | Multiple pulse recording method with 3-valued power levels Pulses modulated between the erase power and the bottom power are used instead of cooling pulses for an optical disk medium that needs a write strategy with 4-valued power levels. Consequently, pulse instruction lines for the cooling pulses, power level instruction ... | 03/27/2012 |
| 8139459 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 03/20/2012 |
| 8134899 | Optical recording medium, information recording method, and information reproducing method According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which ... | 03/13/2012 |
| 8125870 | Flexible optical write strategy A driver comprising: a pattern module configured to generate a plurality of timing parameters in response to a received bit stream; a timing module configured to determine a plurality of multi-bit parameters in response to the timing parameters; and a pulse module c... | 02/28/2012 |
| 8116184 | Recording/reproducing device and method using pulse sequences, and information recording medium A recording/reproducing device includes a laser and a laser drive carried by a pickup having a drive for movement and an input for recording information. A control controls the drives to retrieve recording parameters from a predetermined portion of the recording med... | 02/14/2012 |
| 8102742 | Optical information recording medium, optical information recordng apparatus, and optical information recording method An optical information recording medium includes a recording layer in which a track is formed, the track having recording marks linearly arranged thereon. Each recording mark has a dimension corresponding to a reference mark length, which serves as a reference, in a... | 01/24/2012 |
| 8094533 | Hybrid laser diode drivers A hybrid LDD includes a read channel to selectively output a read current, a plurality of write channels, each to selectively output a different write current, and an oscillator channel to selectively output an oscillator current. Additionally, the hybrid LDD includ... | 01/10/2012 |
| 8089842 | System and method for controlling data recording process of optical recording medium in sequential writing A system and method of controlling data recording process of optical recording medium in a sequential writing are described. The control system comprises an information unit, a data-preparing unit and a recording controller. The information unit generates an informa... | 01/03/2012 |
| 8072863 | Optical recording method, optical recording apparatus and optical storage medium Data is recorded in a phase-change optical storage medium having data layers. A first recording pulse sequence is generated for recording to a first data layer located most remote from a beam-incident surface. The first sequence has a recording pulse carrying an era... | 12/06/2011 |
| 8072864 | Recording/reproducing device and method using pulse sequences and information recording medium A recording/reproducing device includes a laser and a laser drive carried by a pickup having a drive for movement. A control controls the drives to irradiate the recording medium with laser pulse sequences forming recording marks having recording mark lengths betwee... | 12/06/2011 |
| 8068398 | Recording method for optical recording medium and recording apparatus A recording method suitable for high-density recording is provided. When information is recorded on an optical recording medium with irradiation of a write pulse of a laser beam, a length corresponding to 7 T is set to be equal to or less than the spot diameter Ī»/N... | 11/29/2011 |
| 8064308 | Optical disk recording device, method for recording data on optical disk, and optical disk According to a method of the present invention for recording data on an optical disk, a recording pulse corresponding to a long mark includes a combination of a leading pulse and a subsequent intermediate pulse. Further, a level of the leading pulse indicates a firs... | 11/22/2011 |
| 8050163 | Optical disc manufacturing method and device, optical disc, and optical disc reproduction method According to the present invention, there is provided a method of recording a unique ID to a read-only optical disc based on the 17PP modulation. The read-only optical disc (1) has set thereon a specific physical cluster to which a unique ID is to be recorded... | 11/01/2011 |
| 8045437 | Method and device for recording marks representing data in an information layer of an optical record carrier A device and method of recording marks representing data in an information layer of a record carrier includes irradiating the information layer by a pulsed radiation beam, each mark being written by a sequence of pulses. The recorded marks are erasable by irradiatin... | 10/25/2011 |
| 8045438 | High frequency modulation of a light beam in optical recording An optical storage system modulates a laser beam based on a high frequency modulation (HFM) signal and a pattern to be recorded on an optical storage medium. At least one of an amplitude and a frequency of the HFM signal is adjusted when using the light beam to reco... | 10/25/2011 |
| 8040776 | Pulse amplitude modulation circuit with pulse width equalization In pulse width control equalization, attention is paid to the existence of the symmetry of anteroposterior signals and thereby the size of a table in which the adjustment amount of an edge position is stored is reduced to the power of one-half. Pattern jitters cause... | 10/18/2011 |
| RE42786 | Optical recording method and optical recording medium An optical recording method for recording mark length-modulated information on a recording medium by using a plurality of recording mark lengths. The optical recording method comprises the steps of: when a time length of one record... | 10/04/2011 |
