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| Number | Title | Issue Date |
| 8036077 | Method and recording apparatus for recording information on a multi-layer disc A method and apparatus for recording information on a multi-layer record carrier includes recording control information in a control information zone before recording user information after a layer jump. This ensures that all user information can be read and recorde... | 10/11/2011 |
| 7990823 | Storage device and its drive startup method The time required for starting up drives in a storage device mounted with both hard disk drives and solid state drives is shortened. A storage controller of the storage device identifies the type (HDD/SSD) of the mounted drives before starting up the drives. The sto... | 08/02/2011 |
| 7944787 | Method for adjusting a focus position on an optical disc and an optical disc apparatus applying the same therein In a method for adjusting a focus position for an optical disc, onto/from which in formation is recorded or reproduced, while adjusting the focus position of an optical reproducing means, upon a recording surface of an optical information recording medium having an ... | 05/17/2011 |
| 7801000 | Recording/reading method for an optical recording medium using an irradiating a laser beam In an optical recording medium of a single-sided incident type having a plurality of recording layers, recording/reading conditions (for example, tracking polarity, recording pulse strategy, recording recommended power, etc.) can be instantaneously switched accordin... | 09/21/2010 |
| 7606127 | System and method for embedding optical drive compatibility information in optical media Compatibility information embedded in an optical medium modifies actions allowed by predetermined non-compatible optical disc drives on the optical medium, such as optical disc drives that may suffer damage if certain actions are performed on the optical medium. For... | 10/20/2009 |
| 7423943 | Method and system for setting optical drive write speed Optical medium identification codes, such as the ATIP start codes used for CD-R optical media, are preassigned by optical medium manufacturer for association with planned optical media of the manufacturer. Optical disc drive manufacturers build optical disc drives h... | 09/09/2008 |
| 7385892 | Recording medium, information recording apparatus, information recording method, information recording medium, and recording program In a DVD-R on which information is to be recorded by an information recording apparatus, prior to the recording of the information therein, there are recorded in advance at least identification information for identifying the information recording apparatus for reco... | 06/10/2008 |
| 7382703 | Optical disc apparatus In the optical disc apparatus according to the present invention, the CPU 113 is operated to execute a control program stored in the ROM 112 to calculate a reproduction time at the time point when the power supply was turned off based on parameters aft... | 06/03/2008 |
| 7349836 | Method and process to generate real time input/output in a voice XML run-time simulation environment A method and system for testing voice applications, such as VoiceXML applications, is provided. The system provides a run-time simulation environment for voice applications that simulates and automates user interaction. A user simulation script is provided in a cust... | 03/25/2008 |
| 7339869 | Optical disk and optical method An optical disk according to the present invention is the optical disk on which secret information on unique information given to a specific optical disk manufacturer or a specific optical disk and information recorded on an infringement disk list of identifying an ... | 03/04/2008 |
| 7333413 | Optical storage device rotation speed control apparatus and method A method for controlling the rotation speed of an optical storage device. In the first mode, a first signal is produced, and in the second mode, a second signal is produced. In one mode, a first pulse of a first voltage and a second pulse of a second voltage are sen... | 02/19/2008 |
| 7320012 | Method and apparatus for file management File management method having first and second processing modes for storing file type information for discrimination between first and second processing modes in recording medium as file management information associated with file for file management. In first proce... | 01/15/2008 |
| 7317674 | Optical pick-up units and laser drivers with increased functionality Optical pick-up units and laser drivers are disclosed, which can be used in various types of information recording/reproducing apparatuses, such as, but not limited to, DVD and CD drives, DVD camcorders, and DVD video recorders. A laser driver integrated circuit (LD... | 01/08/2008 |
| 7315492 | Header mask signal generating track jump method for a recording medium A track jump method for an optical recording/reproducing medium is provided. In the track jump method, once a track jump command is input, a track jump operation is held until a falling edge of a header mask signal is detected. The track jump starts at the falling e... | 01/01/2008 |
| 7270866 | Piracy-resistant data leasing system and method The present invention discloses the data storage medium enabling subsequent alteration by a user or user's data rendering system in order to enforce the restrictive covenants of the data usage agreement. The present invention also discloses the data rendering system... | 09/18/2007 |
| 7260676 | Optical disc recording/reproducing method and recording/reproducing apparatus An object of the present invention is to reduce the time a host computer requires to recognize a recordable disc such as CD-R/CD-RW. The method includes the steps of determining whether or not an optical disc loaded in the optical disc recording/reproduction apparat... | 08/21/2007 |
| 7254102 | Method for optically recording information according to a strategy and computer-readable recording medium for causing a computer to optically record information according to a strategy In a method for optically recording information in a system including a recording and reading device that includes a strategy part for conducting a strategy when optically recording information and an information processing apparatus that includes a strategy informa... | 08/07/2007 |
| 7230889 | Startup procedure of optical drive after recording or erasing on optical disc The present invention discloses a startup procedure of optical drive after recording or erasing on an optical disc. After disc writing, startup procedure begins, a chipset reads the recorded data on the disc directly using the track information and focus servo param... | 06/12/2007 |
| 7227815 | 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. The angular recording density is higher in the more outward zones such t... | 06/05/2007 |
| 7221630 | Information recording medium, information recording and reproduction method, and information recording and reproduction apparatus An information recording medium includes a data area for recording data; and a drive information area for recording at least one piece of drive information. The data area is divided into a plurality of segmented areas in a radial direction of the information recordi... | 05/22/2007 |
| 7209424 | Controller device with switchable characteristic A controller (30) is capable of operating in two possible operative modes, each mode having a corresponding characteristic (11; 12). Said characteristics have an overlap in a range of error signal values [TLL–TN]. The controller is capable of switchi... | 04/24/2007 |
| 7209420 | Optical information recording on an optical information recording medium having multiple layers An optical information recording apparatus for recording information on an optical information recording medium with multiple recording layers is disclosed. The optical information recording apparatus, performing an OPC operation before performing the recording, inc... | 04/24/2007 |
| 7196995 | Method of authenticating disk management information and disk device Processing to confirm management information during starting processing of a disk device is completely executed in a short period of time without scanning a data area to thereby minimize the period of time for the starting processing. The management information conf... | 03/27/2007 |
| 7193944 | Information recording device and method of the same The present invention relates to an information recording method to write a digital information file onto an information recording medium. The digital information file comprises a plurality of digital data and the information recording medium comprises a plurality o... | 03/20/2007 |
| 7193948 | Optical recording medium, method for recording on optical record medium, and apparatus for recording on optical record medium An optical recording medium of the present invention includes a substrate (202), a protection plate (205), and a plurality of information layers (203) sandwiched between the substrate and the protection plate. An information signal is recorded a... | 03/20/2007 |
| 7187636 | Method and apparatus for correcting tilt of light beam to optical recording medium A tilt of a light beam to be radiated onto an information recording disk is corrected without using a dedicated tilt sensor. The correction is performed based on the characteristic that an offset amount between a tilt amount maximizing an RF signal amplitude and a f... | 03/06/2007 |
| 7187637 | Opto-mechanical adjustment based on sensing label side of optical disc Opto-mechanical adjustment based on sensing the label side of an optical disc is disclosed. The label side of the optical disc is first sensed with an opto-mechanical system. The opto-mechanical system is then adjusted, based on the label side of the optical disc as... | 03/06/2007 |
| 7184376 | Reproducing apparatus A reproducing apparatus for detecting a reproduction stop date when reproduction of image data is stopped in the past, and for determining a reproduction start position in the image data on a basis of the reproduction stop date, and further for starting the reproduc... | 02/27/2007 |
| 7161882 | Method and arrangement for regulating the light power of a scanning beam in an apparatus for reading from or for writing to optical recording media In order to compensate for so-called clipping effects, it is proposed, in an apparatus for reading from and/or writing to an optical recording medium in which the light power of a laser diode (1) is to be set to a plurality of light power levels,to perform a ... | 01/09/2007 |
| 7158458 | 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, an... | 01/02/2007 |
| 7154829 | Optimal recording method for optical recording media and optical recording medium stored with information about optimum recording conditions Disclosed is an optimal recording method for optical recording media which is capable of recording information about optimum recording conditions on an optical recording medium in order to allow a subsequent recording of data at an optimum recording power, based on ... | 12/26/2006 |
| 7152197 | Error correction of stream data A method, a device and a system of performing error correction of stream data on a data medium using an information file. The stream data can be AVI, MPEG and stream data with file offset. The data medium can be a DVD+RW, a SVCD or a memory. The method includes the ... | 12/19/2006 |
| 7151719 | Method for reducing the noise in a wobble signal The present invention relates to a method and a circuit for recovering information contained in a wobble track of an optical storage medium. One aim of the invention is to describe a method within an appliance for reading from and/or writing to optical storage media... | 12/19/2006 |
| 7145850 | Optical disc recording apparatus and control method therefor A phase difference detection circuit (270) and a gain adjusting circuit (280) are provided in an optical disc recording apparatus (200). When the phase difference detection circuit detects a phase difference between an ATIP synchronization signa... | 12/05/2006 |
| 7123562 | Method and device for determining a set of recording pulse series parameters for optical carrier recording and optical record carrier A method is described for determining a set of recording pulse series parameters for recording information on an optical record carrier. First a series of test patterns is written on the record carrier with a values of the parameters. On reading the test patterns, t... | 10/17/2006 |
| 7116622 | Optical storage device rotation speed control apparatus and method A method for controlling the rotation speed of an optical storage device. In the first mode, a first signal is produced, and in the second mode, a second signal is produced. In one mode, a first pulse of a first voltage and a second pulse of a second voltage are sen... | 10/03/2006 |
| 7110336 | Methods, optical recording apparatus using such methods and optical recording medium for use by the methods and the apparatus In methods and an optical recording apparatus using these methods, an optimum write power of a radiation beam in the apparatus is set by writing a series of test patterns on the optical recording medium, forming a read signal from the patterns and processing the rea... | 09/19/2006 |
| 7106674 | Reproduction apparatus In a multi-session disc including both audio session and data session, the data session is correctly recognized and accessed. The reproducing apparatus is a reproducing apparatus of a multi-session disc mixing a session of first type recording first data and a sessi... | 09/12/2006 |
| 7095688 | Simultaneous recording and reproduction apparatus and simultaneous multi-channel reproduction apparatus When recording and reproduction are performed at the same time, if a system controller detects that an amount of data accumulated in a buffer memory exceeds a predetermined value, the system controller stops data reading from an optical disk temporarily and records ... | 08/22/2006 |
| 7075869 | Method and apparatus for determining applicable recording speed of a recordable optical disk Information indicative of disk-applicable recording speeds is incorporated in lead-out start time information within ATIP information that is recorded in pre-grooves located in a lead-in area of an optical disk. Once the optical disk is inserted in an optical disk r... | 07/11/2006 |
