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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
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| Number | Title | Issue Date |
| 8159910 | Apparatus and method for controlling tracking error balance in optical disc apparatus A method of controlling a tracking error balance in an optical disc apparatus, and the optical disc apparatus are discussed. In an embodiment of the present invention, when a tracking error balance for writing is controlled, a beam power that is appropriate for the ... | 04/17/2012 |
| 8144555 | 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... | 03/27/2012 |
| 8036076 | Method of reducing storage power consumption by use of prefetch and computer system using the same Provided is a computer system including: a computer running as a DB server; a storage system including a plurality of disk drives for storing data; and a management module, in which: at least one of the plurality of disk drives stores data of a DB schema written by ... | 10/11/2011 |
| 8027234 | Information record controlling apparatus, information record controlling method, information reproduction controlling apparatus, information reproduction controlling method, information recording medium, information record controlling program, and information reproduction controlling program To provide an information record controlling apparatus which can move and record recorded information more efficiently, and more efficiently administrate move and record. In the information recording and reproducing apparatus 1, CPU 2 administrates and... | 09/27/2011 |
| 8018802 | Information recording medium, information recording apparatus and method, and computer program An information recording apparatus is for recording user data and recording management data onto an information recording medium being provided with: a first recording layer; and a second recording layer, each of the first recording layer and the second recording la... | 09/13/2011 |
| 7940616 | Optical disk apparatus and tilt control method thereof An optical disk apparatus which can carry out tilt control using a signal of a focus control system so as to improve the recording/reproducing performance of an optical disk. The optical disk apparatus includes a motor which rotates the optical disk, an optical pick... | 05/10/2011 |
| 7684294 | Recording or reproduction apparatus A recording or reproduction apparatus is disclosed which optimizes a standby state for recording or reproduction of a cartridge disk and can achieve rapid restoration of recording action upon ejection. A shutter close mode wherein a recording medium in a cartridge r... | 03/23/2010 |
| 7593297 | Information reproducing method and apparatus An information reproducing method includes the steps o of reading information from an information medium that is rotated, and determining a rotation velocity of the information medium on the basis of a data transfer rate based on a specification of a read request. | 09/22/2009 |
| 7577066 | Method and apparatus for providing high speed recording on an optical medium A system and method for controlling the position of an optical head of a disc during high speed recording. In one embodiment of the method, an optical disc has a plurality of tracks. The method comprises implementing CLV recording by said optical drive, determining ... | 08/18/2009 |
| 7542391 | Recording and/or reproducing methods and apparatuses In one embodiment the method includes reading speed information from a specific area of the recording medium. The speed information includes one or more speed flags to indicate whether a corresponding speed is applicable to the recording medium. A first speed flag f... | 06/02/2009 |
| 7468937 | Method of recording control information on a recording medium, and apparatus thereof A method for recording control information on a recording medium. The method includes generating control information for controlling recording/reproducing data on/from the recording medium. The control information includes a first speed information indicating a maxi... | 12/23/2008 |
| 7468936 | Recording and/or reproducing methods and apparatuses One embodiment includes providing control information, wherein the control information includes one or more recording speed flags indicating respectively whether one or more recording speeds are applicable to each of the recording layers. The control information als... | 12/23/2008 |
| 7460453 | Recording medium, method of recording and/or reproducing speed information on a recording medium, and apparatus thereof A method for recording/reproducing data on/from a recording medium. The method provides for reading/recording speed information from a specific area of the recording medium, where the recording speed information includes a first information indicating a maximum reco... | 12/02/2008 |
| 7426161 | Optical recording method and apparatus with different recording rates An optical recording method and apparatus with different recording rates are provided for effectively increasing the average recording rate. The optical recording method includes the steps of: controlling a recording rate with a constant linear velocity (CLV) contro... | 09/16/2008 |
| 7412615 | Information processing equipment and power consumption control method Information processing equipment is so constructed that the power consumption of a disk drive for hard disks, optical disks, or the like can be reliably and sufficiently reduced. The host CPU (120) of an information processing unit (100) forms a comman... | 08/12/2008 |
| 7394736 | Dynamic speed control method for storage device A method is disclosed for adjusting the rotational speed of a disk drive. According to the method, the proportion of time which the disc drive is reading data from the disc during a unit time T is calculated. Then, the increase of the rotational speed of the motor i... | 07/01/2008 |
| 7355804 | Disk drive partially autonomous preamplifier for write current parameters A disk drive includes a rotatable data storage disk, and head, a controller, and a preamplifier. The head is configured to write data to and read data from the disk. The controller is configured to generate a write current command. The preamplifier includes a plural... | 04/08/2008 |
| 7352669 | Method and device for disc rotation control in an optical storage system based on detected extent of disc warping A digital signal processing device is provided for disc rotation control in an optical storage system, which is capable of generating a focusing error signal from light that was reflected by an optical disc loaded in the optical storage system. The digital signal pr... | 04/01/2008 |
| 7345970 | Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof A method of recording writing speed information and per writing speed write strategy information within disc control information is provided. The standardized disc control information can be uniformly applied to efficiently cope with the record/playback of the optic... | 03/18/2008 |
| 7330639 | Method of playing optical recording media An optical recording medium playing apparatus and method thereof to play an optical disc includes a signal processor to process signals read from the optical disc as a reproduced signal. A timer counts a preset time from when the key is entered a first time a... | 02/12/2008 |
| 7320046 | Optical disc drive having a control board and driving unit in separate locations An optical disc drive that includes a driving unit including a spindle motor to rotate an optical disc, an optical pickup to access the optical disc, and a connection board connected to a computer. A control board to control the driving unit, is installed at an inte... | 01/15/2008 |
| 7304926 | Motor control system having output clamp function and method of the same A motor control system comprises a motor controller and a clamp apparatus and is used for controlling a motor apparatus. The motor controller is used for generating a motor control output according to a reference signal and a feedback signal from the motor apparatus... | 12/04/2007 |
| 7301867 | Method and apparatus for changing a recording speed of a disk device The present invention relates to a recording speed determining method of a disk device. The present method, when data record is requested from a host through an interface, a disk device can receive size information about data to be recorded and/or the present time f... | 11/27/2007 |
| 7298677 | Optical disc drive apparatus and method An optical disc drive is has a voice coil motor that carries and moves focal optics to focus a laser beam onto an optical disc The voice coil motor is responsive to input signals which are based on a calibrated temperature. A temperature measurement is made at the v... | 11/20/2007 |
| 7280454 | Method and system for identifying the size of an optical disc A method for identifying the size of an optical disc includes the steps of driving a motor at a specified rotary torque for rotating the optical disc, measuring angular acceleration of the optical disc, and comparing the measured angular acceleration with a referenc... | 10/09/2007 |
| 7275040 | RFID security device for optical disc An optical disc has a security feature in the form of an RFID tag that communicates with a voltage controlled optical modifier layer in the optical disc. In the presence of an interrogation signal, the RFID tag allows the optical disc to be used normally by outputti... | 09/25/2007 |
| 7269108 | Disc player automatically ejecting disc and method thereof A disc drive, and method of automatically ejecting a disc from a disc player. The method comprises selecting a main title from a plurality of titles recorded on the disc and storing a playback time of the main title in a memory, and determining whether the main titl... | 09/11/2007 |
| 7263040 | Read/write position controller for optical pickup A controller includes a servo-controller for performing nonlinear and linear control of the read/write position according to an error signal to drive an actuator for driving the pickup; a switch for switching the servo-controller from open-mode to closed-mode accord... | 08/28/2007 |
| 7230891 | 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 record data on a recordable or rewritable optical disk. After a pause and a restart in the constant angular velocity (CAV) method occurs predetermined times due to a cause of a recording error such as a buffer underrun, the data-recording by t... | 06/12/2007 |
| 7218585 | Information medium and information recording/reproduction apparatus An information medium includes a lead in area and a data area capable of recording an arbitrary information signal. The lead in area has a recordable portion where an information signal can be recorded. The recordable portion of the lead in area has an identifier I | 05/15/2007 |
| 7218583 | Method for land pre-pit recovery The present invention relates to a method for recovering land pre-pits from a signal obtained from an optical recording medium. According to the invention, the method comprises the steps of: providing a phase locked loop for the la... | 05/15/2007 |
| 7215614 | Control method of recording speed in optical disc drives The present invention discloses a control method of recording speed in an optical disc drive. Firstly it is determined whether the recording speed is higher than a data transfer rate from the host to the data buffer in the optical disc drive. If so, the recording sp... | 05/08/2007 |
| 7200083 | Speed control method for recording data on an optical disk A speed control method used in an optical disk drive for recording data onto an optical disk includes the following steps: detecting an allowable maximum recording speed of the optical disk and an allowable minimum recording speed of the optical disk, calculating a ... | 04/03/2007 |
| 7196980 | Information disk recording/reproducing device and method for controlling recording/reproducing speed thereof Information about the number of traversed tracks is acquired with a code at a first rotational speed and a second rotational speed in each area provided by dividing one rotation into m (m is a natural number equal to or larger than 1). As to the information about th... | 03/27/2007 |
| 7161884 | Information disc recording/playback apparatus and method for counting pulses and controlling a rotation speed of an information disc The present invention provides an information disc recording/playback apparatus which includes a track cross detection means, a track cross direction detection means, a rotation angle detection means, and a count means, detects the track pitch of a disc, evaluates t... | 01/09/2007 |
| 7155615 | Method and apparatus for providing a secure-private partition on a hard disk drive of a computer system via IDE controller A system and method are described for providing a secure-private partition on a storage device of a computer system. The secure-private partition is normally invisible to an operating system unless the partition is unlocked. The secure-private partition is configure... | 12/26/2006 |
| 7151731 | Method for controlling rotation speed of an optical storage device A method of rotation speed control for optical storage device is proposed. The method adjusts the rotation speed of an optical storage device to increase access probability and also enhance performance of the optical storage device. The method includes providing wei... | 12/19/2006 |
| 7142490 | Optical recording method and apparatus with different recording rates An optical recording method and apparatus with different recording rates are provided for effectively increasing the average recording rate. The optical recording method includes the steps of: controlling a recording rate with a constant linear velocity (CLV) contro... | 11/28/2006 |
| 7137058 | Block synchronization detection apparatus and method A block synchronization detection apparatus and method. Block synchronization for discriminating one error correction code (ECC) block from another is detected, even when a first sector of the ECC block is not detected in a system having a decoder that decodes an EC... | 11/14/2006 |
| 7120098 | Apparatus and method for controlling optical recording power in an optical drive An optical recording power controlling apparatus and method, in which the determination conditions for received Non Return to Zero Inverted (NRZI) data and the varying range of the optical recording power level are set depending on the multiple-speed of recording an... | 10/10/2006 |
