| Toshiba Samsung Storage Technology Korea Corporation Patent applications |
| Patent application number | Title | Published |
| 20130047170 | DISC LOADING APPARATUS AND OPTICAL DISC DRIVE INCLUDING THE APPARATUS - A disc loading apparatus includes a frame base, and a sub-frame disposed on the frame base and including a turntable configured to drive a disc. The disc loading apparatus also includes a loading lever disposed on the frame base and configured to load the disc on the turntable. The disc loading apparatus includes an eject lever disposed on the frame base and configured to eject the disc from the turntable to the outside of the frame base, and an eject roller disposed at a leading end of the eject lever and configured to contact an edge of the disc. An elastic skirt portion in the disc loading apparatus includes a skirt, disposed adjacent to the eject roller, and an elastic extension portion extending from the skirt. | 02-21-2013 |
| 20120154933 | OBJECTIVE LENS DRIVING UNIT AND OPTICAL PICKUP DEVICE ADOPTING THE SAME - An objective lens driving unit including a moving structure to which an objective lens and a driving coil are operatively installed, a static structure which includes a magnetic circuit corresponding to the driving coil, a plurality of suspension wires each of which has a first end and a second end, the first end being operatively connected to the static structure, and the second end being operatively connected to the moving structure, and circuit boards operatively installed to the moving structure, the circuit boards including a plurality of wiring layers, wherein the wiring layers include first terminals to which the driving coil is connected and second terminals to which the second end of each of the plurality of is connected. | 06-21-2012 |
| 20120106919 | MULTIMEDIA SYSTEM - A multimedia system that includes a television (TV). The TV includes an optical disc drive (ODD) that outputs raw data obtained from a medium, such as an optical disc, through a slave interface. The TV also includes a codec that processes the raw data received from the ODD. The TV includes a master interface corresponding to the slave interface, a codec device that extracts an image signal and/or an audio signal from the raw data transmitted through the interfaces, and a multimedia output device that outputs the image signal and/or the audio signal. | 05-03-2012 |
| 20110141869 | OPTICAL PICKUP, PHOTODETECTOR, AND DRIVE ADOPTING THE OPTICAL PICKUP - An optical pickup, photodetector, and optical drive adopting the optical pickup are provided. The optical pickup may include a light emitting system having a plurality of light sources corresponding to a plurality of mediums a light receiving system including a photodetector for converting light reflected from a medium into an electrical signal. The photodetector may include first and second light receiving sensors corresponding to the plurality of mediums, each of the first and second light receiving sensors comprising a plurality of regions, each region comprising a plurality of sectors. The plurality of regions of the first and second light receiving sensors may include shared sectors that are shared by the first and second light receiving sensors and exclusive sectors that are exclusively used in the first light receiving sensor or the second light receiving sensor. | 06-16-2011 |
| 20110075535 | METHOD OF ACCESSING OPTICAL RECORDING MEDIA, OPTICAL PICKUP DEVICE, AND OPTICAL DRIVE USING THE DEVICE - An optical pickup device corresponding to an optical recording medium having a plurality of recording layers, and an optical drive using the device are provided. The optical pickup device includes a collimator lens disposed between an object lens and a light source. The collimator lens adjusts a focal length with respect to the optical recording medium, and the object lens focuses light passing through the collimator lens, on the optical recording medium. The object lens is optically optimized for an upper or second-upper recording layer of the optical recording medium. | 03-31-2011 |
| 20110044155 | OPTICAL PICKUP DEVICE - An optical pickup device corresponding to a plurality of media is provided. The optical pickup device includes a light emitting system and a light receiving system including a plurality of light sources and a light transmission system shared by the light emitting system and the light receiving system, configured to irradiate light on a medium, and receive light reflected from the medium. The light transmission system irradiates light from the light emitting system to be appropriately focused on the medium, receives light reflected from the medium, and transports light to the light receiving system. The light transmission system includes one beam splitter corresponding to the light emitting system and the light receiving system and a position-changing collimating lens shared to correspond to a plurality of media. The position-changing collimating lens is disposed between the beam splitter and the medium, the position being controlled according to optical characteristics of the media. | 02-24-2011 |
| 20110038240 | METHOD OF CONTROLLING RECORDING OPERATION AND OPTICAL DISC DRIVE EMPLOYING THE METHOD - Provided are a method of controlling a recording operation in an optical disc drive to improve recording quality and an optical disc drive employing the method. The method includes setting recording power and parameters related to the generation of recording pulses by successively performing an optimum power controlling (OPC) process for adjusting recording power and an optimum write strategy (WST) tuning control (OWC) process for adjusting parameters related to the generation of recording pulses. The method also includes performing data recording based on the set recording power and the set parameters related to the generation of recording pulses. | 02-17-2011 |
| 20100329089 | OPTICAL DISC DRIVE AND METHOD OF OPERATING THE SAME - An optical disc drive, and a method of driving the optical disc drive are provided. Where the optical disc drive has a connectivity or a compatibility with a host that is incompatible with the optical disc drive, a file system and device information accepted by the host are provided. The host may have a compatibility with limited external medium devices and a specific command set for data exchange. The optical disc drive and the method of driving the optical disc drive may transmit compatible information to the host and select the specific command set accepted by the host, so that the optical disc drive is compatible with the host. | 12-30-2010 |
| 20090092020 | Focus servo controlling method and apparatus and optical disk drive using the focus servo controlling method - A method and apparatus for controlling a focus servo of an optical disk drive is provided. The focus servo controlling method includes the operations of, when an operating mode enters into a focus pull-in mode, detecting a period of time that satisfies a first threshold condition, the first threshold condition set to determine a duration in which a focal point of an optical signal emitted from a pickup is passing through a cover layer of a disk, the determination made by using a first signal proportional to a detected portion of an optical signal reflected by the disk, and preventing focus servo control from being performed during a detected period of time that first satisfies the first threshold condition since the operating mode entered into the focus pull-in mode. | 04-09-2009 |
| 20090092016 | Optical recording/reproducing write strategy method, medium, and apparatus - A write strategy method, medium, and apparatus. The method includes writing a signal to a storage medium by using a predetermined power and an initial write strategy, calculating variation characteristics of a data signal which separately correspond to variations of write strategy parameters, if the written signal does not satisfy initial quality standards, and calculating correlations among periods of the data signal and correlations among the write strategy parameters by using the variation characteristics of the data signal, and determining the write strategy parameters based on the correlations among the periods of the data signal and the correlations among the write strategy parameters. | 04-09-2009 |
| 20090073836 | Disk decision method and optical disk drive using the disk decision method - A method of determining the type of disk loaded on an optical disk drive, and an optical disk drive using the method are provided. The disk decision method includes operations of detecting a change in the magnitude of a focus error signal generated during a focus search for a recording layer of a disk closest to an outermost layer of the disk, wherein the change in the magnitude of the focus error signal depends on a change in a recording layer of the disk for which aberration correction is performed, and determining a recording layer architecture of the disk according to the detected change in the magnitude of the focus error signal. | 03-19-2009 |
| 20090067299 | Focus controlling method and optical disk drive using the focus controlling method - An apparatus and method control a disk drive servo, and more particularly, an apparatus and method control a servo when moving between layers of a disk in a multi-layered disk drive. A focus controlling method, as an example of the servo controlling method, includes the operations of performing aberration correction according to a change of a recording layer of a disk from a currently accessed recording layer to a recording layer desired to be accessed, and changing the value of a parameter set that determines characteristics of signals for use in servo control of an optical disk drive, according to an aberration correction amount that is used during the aberration correction. | 03-12-2009 |