Patents Assigned to Toshiba Samsung Storage Technology Korea Corporation
  • Method and apparatus for generating tracking error signal and optical information storage system including the apparatus
    Patent number: 8861321
    Abstract: Provided are an apparatus and method of generating a tracking error signal, and an optical information storage system including the apparatus. The apparatus includes a bias signal generator for generating a bias signal for canceling a direct current (DC) offset of a push-pull signal using a tracking control signal generated by the tracking controller. Accordingly, an offset generated in a tracking error signal may be canceled or otherwise reduced using the bias single instead of using an additional side beam.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: October 14, 2014
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Dong-han Lee, Young-ok Koh, Sang-chul Kim, Hong-kyung Lee
  • Optical disc drive and method of driving the same
    Patent number: 8842510
    Abstract: Provided is a multi-functional optical disc drive that includes an interface that connects a front-end of the optical drive to a back-end, and also connects the front-end of the optical drive to an external device. The optical drive also includes a controller that selectively controls connection to the back-end or the external device.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: September 23, 2014
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Byung-youn Song, Nag-eui Choi, Seung-ki Kim
  • Multimedia reproduction device and disc player
    Patent number: 8842979
    Abstract: A multimedia reproduction device including: a drive module that is configured to drive a storage medium and that includes a front-end part that processes data read from the storage medium, a back-end module including an audio unit and a video unit that is configured to reproduce audio/video (AV) signals output from the drive module; and a housing that is configured to accommodate the drive module and the back-end module.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: September 23, 2014
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventor: Young-sun Jung
  • Optical pickup and optical system using the same
    Patent number: 8824253
    Abstract: Provided are an optical pickup and an optical system using the same. The optical pickup may include an aperture that is disposed at a side where a light beam is incident on an objective lens. The aperture may limit a range of the light beam such that a width of the light beam incident on the objective lens in a first direction is less than a width in a second direction that is perpendicular to the first direction.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: September 2, 2014
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Ui-yol Kim, Ji-sun Ahn, Yong-jae Lee
  • OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE SYSTEM INCLUDING THE SAME
    Publication number: 20140241142
    Abstract: Provided are an optical pickup and an optical information storage system including the same. The optical pickup includes a diffracting element that splits incident light into main light and a plurality of sub light. The diffracting element has at least three regions including first through third regions. A second region is disposed between a first region and a third region and has a phase difference from the first and third regions. The optical pickup detects a tracking error signal by using light diffracted by the diffracting element.
    Type: Application
    Filed: February 25, 2014
    Publication date: August 28, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Ki-bok KIM, Jin-sun AHN, Ju-hee IM, Jin-ho JEONG, Seung-man HAN
  • COOLING APPARATUS COMBINED WITH OPTICAL DISK DRIVE MODULE
    Publication number: 20140245332
    Abstract: Provided is a cooling apparatus of a portable computer. The cooling apparatus includes one or more ventilation holes formed on the body thereof, and a cooling fan module mounted in the body. An optical disk drive (ODD) module mounted in the body drives the cooling fan module thereby reducing power consumption of the cooling module.
    Type: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Jung-bae Oh, Seung-man Han
  • OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE SYSTEM INCLUDING THE SAME
    Publication number: 20140241141
    Abstract: Provided are an optical pickup and an optical information storage system including the same. The optical pickup includes a photodetector that receives a main light beam and a plurality of sub-light beams reflected from an information storage medium and diffracted by a diffracting element. The photo detector detects a tracking error signal using zeroth-order light as the main light beam and using one of first-order light and third-order light as the sub-light beam based on a type of an optical information storage medium.
    Type: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Ki-bok KIM, Jin-ho JEONG, Eun-goo KIM, Jung-bae OH, Seung-man HAN
  • APPARATUS AND METHOD FOR FOCUSING A LASER BEAM ON AN OPTICAL DISC
    Publication number: 20140245333
    Abstract: Provided are a method and apparatus for focusing a laser beam on an optical disc. According to various aspects, the apparatus may include an objective lens which has a numerical aperture below what is standardized for the optical disc. In addition, a collimating lens which is used to focus a laser beam on the objective lens may be positioned at a fixed location. Despite the fixed location, the apparatus may support data recording/reproducing on multiple layers of the optical disc.
    Type: Application
    Filed: February 25, 2014
    Publication date: August 28, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Jin-ho JEONG, Eun-goo KIM
  • TILT ADJUSTING APPARATUS AND OPTICAL DISC DRIVE USING THE SAME
    Publication number: 20140245330
    Abstract: Provided is a tilt adjusting apparatus of an optical disc drive for adjusting a tilt of an optical pickup unit. The tilt adjusting apparatus includes an optical pickup unit moving in a radial direction of the disc, along first and second guide shafts. The tilt adjusting unit also includes a fixing support unit that fixes the first guide shaft and an adjustment supporting unit that supports the second guide shaft and enables the height of both ends of the second guide shaft to be adjusted.
    Type: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventor: Seong-yeon PARK
  • BEAM CONTROLLING METHOD AND OPTICAL PICKUP DEVICE FOR PERFORMING THE METHOD
    Publication number: 20140245331
    Abstract: Provided is an optical pickup device that compensates for an aberration caused by a beam splitter. When a beam of light is reflected from a disc and proceeds towards a beam splitter, the beam splitter is designed to allow the reflected beam to pass therethrough. However, the beam splitter can cause an astigmatism in the reflected beam due to diffraction. According to various aspects herein, an optical pickup device may include a compensation device that generates an inverse astigmatism to compensate for the astigmatism generated by the beam splitter.
    Type: Application
    Filed: February 25, 2014
    Publication date: August 28, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Ju-hee IM, Ki-bok KIM, Ji-sun AHN, Chan-ik LEE, Jin-ho JEONG
  • Disk loading apparatus for optical disk drive
    Patent number: 8819709
    Abstract: Provided is a disk loading apparatus which includes a frame base on which a spindle motor is mounted. The apparatus includes a disk loading structure that loads a disk on the spindle motor, a plurality of sliders operating in connection with a loading lever, and a plurality of gears transferring the motive power to the plurality of sliders. The apparatus also includes a plurality of shafts to which the gears are coupled, and a plurality of slider guide walls that guide movement of the plurality of sliders. According to various aspects, the shafts and the slider guide walls are formed integrally with the frame base.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: August 26, 2014
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Joung-sug Ko, Sang-yun Baek, Un-jin Choi, Cheol-woong Ahn
  • Method of controlling an optical disc drive, and optical disc drive and optical information writing and/or reading system using the method
    Patent number: 8817582
    Abstract: Provided is a method of controlling an optical disc drive, and an optical disc drive using the method. Data that is to be transmitted from a host to the optical disc drive may be encoded. The encoded data may be transmitted to the optical disc drive, and the optical disc drive may decode the encoded data.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: August 26, 2014
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventor: Hyun-jung Kim
  • METHOD OF ALIGNING LIGHT SOURCES IN AN OPTICAL PICKUP DEVICE, AND OPTICAL PICKUP AND OPTICAL DISC DRIVE EMPLOYING THE METHOD
    Publication number: 20140233367
    Abstract: Provided is an optical pickup device and a method of aligning a twin-light source in an optical disc drive. The method operates two light emitting chips in the light source simultaneously to cause two laser beams to be transmitted through a grating element at the same time. Location errors and rotation errors of the two light emitting chips with respect to the grating element may be corrected while monitoring the laser beams transmitted through the grating element.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 21, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Jung-bae OH, Il-boon KO, Ki-bok KIM, Hyun-wook NAM, Eun-goo KIM
  • OPTICAL DISC DRIVE AND MAIN FRAME OF OPTICAL DISC DRIVE
    Publication number: 20140237491
    Abstract: Provided is an optical disc drive that may prevent an optical disc from dropping during an unclamping operation. The optical disc drive includes a main frame to support the optical disc drive and a disc tray in which the optical disc is disposed, and one or more stopper mechanisms to prevent the optical disc disposed on the disc tray from dropping.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 21, 2014
    Applicant: TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION
    Inventors: Hyoung Woo JO, Seong Yeon PARK, Young Sun JUNG, Jeong Hun CHOE
  • Photo detecting element, and optical pick-up and disc drive including the same
    Patent number: 8811139
    Abstract: Provided is a photo detecting element including a body with an optical sensor and an amplification unit for amplifying a signal output from the optical sensor. The photo detecting element includes a driving voltage port that applies a driving voltage to the amplification unit, a ground port that provides a ground for the amplification unit, and a plurality of output ports interposed between the driving voltage port and the ground port, and outputting a signal received from the amplification unit. The driving voltage port, ground port, and plurality of output ports are disposed on the same one side of the body.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: August 19, 2014
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Jung-bae Oh, Jin-ho Jeong
  • DISK FOR FABRICATING GRAPHENE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20140220290
    Abstract: A disk used for fabricating graphene, a multilayered plate, and a method of manufacturing the same are provided. The disk includes a thermoplastic polymer substrate with a reflection layer disposed on one side of the thermoplastic polymer substrate; and a graphite oxide layer provided on the thermoplastic polymer substrate. The method of manufacturing a disk for fabricating graphene involves: obtaining a thermoplastic polymer substrate with a reflection layer disposed on one side thereof; and applying a graphite oxide layer on the thermoplastic polymer substrate.
    Type: Application
    Filed: October 16, 2013
    Publication date: August 7, 2014
    Applicants: TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Kil-Soo Choi, Byung-Youn Song, Nag-Eui Choi, Hyoung-Sub Shim, Han-Yung Jung, Jung-Hoon Lee
  • METHOD AND SYSTEM FOR AUTHENTICATING OPTICAL DISC APPARATUS
    Publication number: 20140223577
    Abstract: Provided are a method and system for authenticating an optical disc apparatus. The method includes capturing an image code attached to the optical disc apparatus, acquiring authentication information on the optical disc apparatus by using the image code, comparing information received from the optical disc apparatus with the authentication information on the optical disc apparatus, and authenticating the optical disc apparatus according to a comparison result.
    Type: Application
    Filed: February 5, 2014
    Publication date: August 7, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventor: Jae-young LEE
  • OPTICAL DISK DRIVE INCLUDING SPINDLE UNIT AND CHUCKING STRUCTURE
    Publication number: 20140223457
    Abstract: Provided is a spindle unit. The spindle unit includes: a spindle motor having a rotation shaft; a turntable that is coupled to the rotation shaft and supports a data storage device; and a sliding cone coupled to the turntable so as to elastically move up and down and to be inserted into a hole formed at the data storage device. The sliding cone includes a bump protruding from a surface thereof, and the bump has a concave portion recessed downward from a center thereof.
    Type: Application
    Filed: February 4, 2014
    Publication date: August 7, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Nam-kook BAEK, Seong-yeon Park
  • METHOD OF FABRICATING GRAPHENE USING A PLURALITY OF LIGHT SOURCES
    Publication number: 20140220258
    Abstract: A method of fabricating graphene using a plurality of light sources is provided. The method includes irradiating a graphite oxide layer on a substrate with light from a first light source, and irradiating the irradiated graphite oxide layer with light from a second light source.
    Type: Application
    Filed: October 2, 2013
    Publication date: August 7, 2014
    Applicants: Seoul National University R&DB Foundation, TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION
    Inventors: Byung-Youn SONG, Kil-Soo Choi, Nag-Eui Choi, Hyoung-Sub Shim, Han-Yung Jung, Jung-Hoon Lee
  • METHOD AND APPARATUS FOR PREVENTING THE READING OF AN OPTICAL DISC
    Publication number: 20140223454
    Abstract: Provided is a method and an apparatus for setting a virtual disc status of an optical disc drive. While set to the virtual disc status, the optical disc drive does not detect if an optical disc is present in the optical disc drive in response to the optical disc drive being powered on. Accordingly, power may be consumed and noise may be reduced.
    Type: Application
    Filed: February 5, 2014
    Publication date: August 7, 2014
    Applicant: TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION
    Inventor: Sang Hoon HYUN