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| Number | Title | Issue Date |
| 8154963 | Method of writing data to a disc, disc drive The invention relates to a method of writing data to a disc (OD). The method comprised: a) performing a plurality of writing actions in which a plurality of data portions are written to the disc, b) performing a plurality of verification actions in which written dat... | 04/10/2012 |
| 8149668 | Optical disk drive and method for determining disk type A method of determining a disk type of an optical disk is provided to comprise steps of: using a first light path for forming an incident beam; moving an objective lens system corresponding to the first light path from a start position towards the optical disk; rece... | 04/03/2012 |
| 8087040 | Slot-in type disk drive A disk drive includes a chassis having a spindle motor for rotating a disk and a read/write head for reading or writing data on the disk, a slide block disposed at one side of the chassis and slidable reciprocally along an entrance-and-exit route defined by the disk... | 12/27/2011 |
| 8084962 | Driving circuit for LED A driving circuit for LED includes: at least one LED; a light emission driving circuit having a first PWM unit and a power converting unit generating a driving current according to a signal generated by the first PWM unit and sending the driving current to the LED; ... | 12/27/2011 |
| 8079734 | Lighting device A lighting device includes a light source, first and second beam-directing prism elements, and a transmission device. The light source emits a light beam. The first beam-directing prism element is arranged in a first direction. The second beam-directing prism elemen... | 12/20/2011 |
| 8063567 | Light output control method and lighting system using the same A light output control method for a lighting system is provided. The lighting system includes a plurality of sensors and a light-emitting unit. The light output control method includes steps of: sensing a motion of an object within the sensing ranges of the sensors ... | 11/22/2011 |
| 8059509 | Optical disk drive and method for use with an optical disk drive for determining the disk characteristic An optical disk drive for determining a disk characteristic of an optical disk comprising an information layer comprising a substantially circular track is described. The optical disk drive has an optical pickup unit arranged to generate a beam, direct the beam to t... | 11/15/2011 |
| 8059501 | Optical disk drive for scanning an optical disk with a scanning velocity and method for scanning an optical disk with a scanning velocity An optical disk drive and a method for scanning an optical disk that includes a substantially circular track with a scanning velocity is provided. A servo control signal (SCS) is determined based on a servo error signal (SES). A first performance indicator (IND1 | 11/15/2011 |
| 8056096 | Optical disc drive An optical disc drive includes a main body, a cover, an extension, and an elastic element. The cover includes a pivoting portion and is pivotably connected to the main body via the pivoting portion. The extension is connected to the pivoting portion. The cover is ad... | 11/08/2011 |
| 8050169 | Optical scanning device and method for determining focus position The optical scanning device [10] is arranged for scanning a record carrier [1]. The record carrier has an outer face [7]. The scanning device comprises a radiation source [11] for generating a radiation beam [12] and an objective s... | 11/01/2011 |
| 8050162 | Tilt control method of near-field optical system A tilt control method for a near-field optical disc drive is provided. A gap between a lens and a disc is estimated. A tilt compensation for the lens is estimated according to a tilt signal when the lens is within a far-field region. A coarse tilt control is perform... | 11/01/2011 |
| 8040367 | Lightscribe optical disc drive An optical disc drive for marking a label side of a lightscribe disc is provided. The optical disc drive includes a spoke detecting device, a traverse assembly frame, a spindle motor PCB and an insulating base. The spoke detecting device is used for detecting spoke ... | 10/18/2011 |
| 8000204 | Data processing method for a holographic data storage system A data processing method for a holographic data storage system includes in a writing operation, receiving a plurality of digital data groups; modulating the digital data groups to a plurality of corresponding digital matrixes, wherein each of the digital matrix comp... | 08/16/2011 |
| 7990811 | Tray controlling method using firmware for detecting different inclined position A tray control method for a disk drive including a tray for carrying a disk, a detect switch movable to different inclined positions for detecting different positions of the tray during tray ejection operation, a firmware for receiving signals transmitted by the det... | 08/02/2011 |
| 7987474 | Disc ejecting device for slot-in type disc drive A slot-in type disc drive is provided by comprising a disc entrance slot for loading a disc into the disc drive along a first direction; a bottom casing; a crossing driving member; and a disc loading device. The crossing driving member has at least a disc driving gr... | 07/26/2011 |
| 7974159 | Tray controlling method using firmware for detecting different inclined position A tray control method for a disk drive including a tray for carrying a disk, a detect switch movable to different inclined positions for detecting different positions of the tray during tray ejection operation, a firmware for receiving signals transmitted by the det... | 07/05/2011 |
| 7966627 | Emergency ejecting apparatus for optical disc drive The present invention discloses an optical disc drive including a pickup head for reading data from a disc; a spindle motor for supporting and rotating the disc; a loading/ejecting apparatus for loading or ejecting the disc; and an emergency ejecting apparatus. The ... | 06/21/2011 |
| 7965603 | Method of adjusting write strategy of recordable disc A method of adjusting a write strategy of a recordable disc comprises steps of: generating a test pattern on a power calibrating area of the recordable disc according to a first write strategy and a first write power; establishing a Pit-to-Land Inter-Symbol Interfer... | 06/21/2011 |
| 7940624 | Method of adjusting write strategy of recordable disc A method of adjusting a write strategy of a recordable disc comprises steps of: generating a test pattern on a power calibrating area of the recordable disc according to a first write strategy, a first write power, and a first target β value; establishing a Pit-to-... | 05/10/2011 |
| 7940617 | Method for calibrating a spherical aberration compensation level in an optical drive A method for calibrating an SA compensation level of an optical drive is provided. The method includes steps of providing a plurality of SA compensation levels; obtaining a peak-to-peak value of an S curve corresponding to each of the SA compensation levels; selecti... | 05/10/2011 |
| 7924662 | Tray controlling method for using firmware for detecting different inclined position A tray control method for a disk drive including a tray for carrying a disk, a detect switch movable to different inclined positions for detecting different positions of the tray during tray retraction operation, a firmware for receiving signals transmitted by the d... | 04/12/2011 |
| 7908612 | Emergency ejecting apparatus for optical disc drive The present invention discloses an optical disc drive including a pickup head for reading data from a disc; a spindle motor for supporting and rotating the disc; a loading/ejecting apparatus for loading or ejecting the disc; and an emergency ejecting apparatus. The ... | 03/15/2011 |
| 7903517 | Optical disk drive with disk type determination and method of determining a disk type of an optical disk with an optical disk drive An optical disk drive and a method for determining a disk type are described. The optical disk drive may be arranged to receive a radial error signal while an incident beam is focused onto the optical disk and before tracking the track, to analyze the radial error s... | 03/08/2011 |
| 7885159 | Optical disc drive device with anti-scraping mechanism The method prevents an optical disk from being scraped by an optical apparatus of a pickup head of an optical disc drive is disclosed, it mainly includes: moving the optical apparatus of the pickup head to a detection position in which the laser-light emitted from t... | 02/08/2011 |
| 7845834 | Lighting system with an adjustable illuminated area The present invention discloses a lighting system with an adjustable illuminated area. The lighting system comprises a light source for outputting a light, a first refractive optical element and a second refractive optical element. The first and second refractive op... | 12/07/2010 |
| 7876651 | Method of writing data to a disc, disc drive The invention relates to a method of writing data to a disc (OD). The method comprising a) performing a writing action in which a first data portion is written to the disc; a2) deciding to perform b) or not and b) verifying at least part of the first data portion th... | 01/25/2011 |
| 7859967 | Optical disk drive with spherical aberration measurement and method of measuring spherical aberration in an optical disk drive The invention relates to an optical disk drive. The optical disk drive has an objective lens to be driven by a focus actuator with a focus offset for focusing an incident beam onto an optical disk into a spot with a spherical aberration, and a processor to derive a ... | 12/28/2010 |
| 7826327 | Method for acquiring optimum position of reserved block in holographic storage system A method for acquiring an optimum position of a reserved block in a holographic storage system is provided. Firstly, an initial offset error between an initial reserved block and its two nearest neighbors is computed. Then, according to a dynamically adjustable modi... | 11/02/2010 |
| 7817503 | Tray controlling method using multiple different voltages A tray control method for a disk drive including a tray for carrying a disk, a detect switch movable to different inclined positions for detecting different positions of the tray during tray ejection and retraction operation, a firmware for receiving signals transmi... | 10/19/2010 |
| 7804422 | Lighting device with indicator A lighting device includes a light-emitting element, an ultrasonic member, a signal processing unit, a light control unit, an indicator and an indicator control unit. The light-emitting element emits a light. The ultrasonic member emits an ultrasonic signal and rece... | 09/28/2010 |
| 7755996 | Method for adjusting write strategy In a method for adjusting a write strategy, data is written into the optical disc according to a first write strategy in forms of a first type of data storage structures with variable lengths and a second type of data storage structures with variable lengths. A plur... | 07/13/2010 |
| 7753559 | Lighting device producing light with adjustable color and color temperature A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. Th... | 07/13/2010 |
| 7751290 | Method and apparatus for determining write strategy parameter values for writing data on an optical disk The invention relates to a method for determining write strategy parameter values for writing data on an optical disk from a group of optical disks of different types using an optical disk drive, in particular to different types of BD disks. The method includes iden... | 07/06/2010 |
| 7742373 | Optical disk drive for scanning an optical disk carrying a groove with a wobble An optical disk drive for scanning an optical disk having a wobbled groove and a land portion separating adjacent parts of the groove. The optical disk drive has a beam generator for generating a read beam and directing the read beam to the optical disk, a sensor fo... | 06/22/2010 |
| 7724615 | Apparatus and method for determining type of an optical disk An apparatus and a method for determining the type of an optical disk are provided. Firstly, an RF signal of the optical disk in an optical disk drive is read out. Next, a bandpass signal is extracted from the RF signal by a bandpass filter whose central frequency i... | 05/25/2010 |
| 7681211 | Mechanism for guiding airflows within optical disc drive The present invention relates to a mechanism for guiding airflows within an optical disc drive, in which the optical disc drive comprises a chassis having a side wall and a tray for loading or unloading a disc. The guide mechanism of the present invention includes a... | 03/16/2010 |
| 7653918 | Stopper for preventing the separation between the traverse and the traverse frame in an optical disc drive The present invention discloses an optical disk drive comprising a traverse, a traverse frame, a chassis and a stopper. The traverse frame is disposed on the chassis. And one end of the traverse is disposed on the chassis and the other end is disposed on the travers... | 01/26/2010 |
| 7607144 | Method for detecting size of the optical disk and ejecting optical disk A method for detecting a size of an optical disk loaded in an optical disk drive is disclosed. The optical disk drive has an optical pickup head, and the initial position of the optical pickup head is located on the outer side of a track. The steps of the method are... | 10/20/2009 |
| 7600237 | Locking device of lift-top optical disc drive A locking device for locking a main body with a lid is provided. The locking device includes a base, a fixed piece, an engaging piece, and a driver. The base is disposed on the main body. The fixed piece disposed on the base includes a track. The engaging piece slid... | 10/06/2009 |
| 7596394 | Handhold wireless device The present invention relates to a handhold wireless device, comprising a main body and a hanging frame; wherein the two sides of the main body are each provided with a guiding trench having a first end and a second end and for allowing the hanging frame sliding bet... | 09/29/2009 |
