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| Number | Title | Issue Date |
| 8139453 | Buffering control method, and buffering control device When receiving the reproduced data from the optical disc and buffering same, the buffering from the correct position can be started on the basis of the synchronous signal and the address information included in the sub data which was received simultaneously. ... | 03/20/2012 |
| 8040768 | Information recording apparatus An information recording apparatus such as an optical disc that can avoid an unrecordable condition between a power-on operation and an available state for recording thereby to solve a problem that an image taking chance is missed in a recording step, wherein its co... | 10/18/2011 |
| 7961571 | Recording a digital signal on an information carrier comprising a first layer and a second layer A recording method, particularly suitable for use in a digital video-camera, is described according to which a digital signal (10), deriving from the encoding of an audio-video signal is temporarily stored in a buffer (11) and from there recorded in a ... | 06/14/2011 |
| 7839736 | CD-audio system having electronic shock protection A CD-Audio System includes a CD-module and a host unit. The CD-module reads audio data from a disc, checks the audio data for errors, and provides the checked audio data to the host unit at greater than 1 times CD audio rate. The host unit stores the received audio ... | 11/23/2010 |
| 7817513 | Record and reproduction apparatus for reading or writing data during reproducing of stream data A record and reproduction apparatus includes: a CPU; a memory; a recording medium control unit configured to read out data from a recording medium; a reproduction buffer configured to temporarily store stream data such as an image and an audio out of the data read b... | 10/19/2010 |
| RE41430 | Rotation control apparatus operating with a sync signal having variable intervals A rotation control apparatus which can maintain an accurate rotating state even in a high density optical disk (DVD) having a structure such that parts of the sync signal are recorded at an interval different from that of the other sync signal parts. The apparatus h... | 07/13/2010 |
| 7636281 | Replaying digital media A reading unit for reading data from a digital data carrier, the reading unit comprising: a reading head including a sensor for sensing data from the data carrier and generating a sensor signal indicative for the sensed data; head positioning apparatus for positioni... | 12/22/2009 |
| 7545712 | Optical disk reproducing apparatus and optical disk reproducing method An optical disk reproducing apparatus configured to reproduce an optical disk of a hybrid type having CD and HD layers, including a system controller. Preferably, the system controller includes a disk discriminating unit which discriminates a loaded optical disk, an... | 06/09/2009 |
| 7436741 | Optical disc unit, optical disc recording method, and optical disc An optical disk in which data is interleaved and recorded in physically discontinuous interleaved units and a size of the interleaved unit is not less than a product of a maximum value of a jumping interval and a minimum value of the reproduction rate Vo of the data... | 10/14/2008 |
| 7408854 | Optical disc reproducing apparatus and method An optical disc reproducing apparatus including: a reading unit which reads audio data recorded in an optical disc; a storage unit which stores the audio data read by the reading unit; an operation disc unit disposed turnably; a first detection unit which detects th... | 08/05/2008 |
| 7349312 | Method and apparatus for performing blank detection on an optical storage disc A method for performing blank detection on an optical storage disc includes buffering first information read by an optical storage device from the optical storage disc to generate buffered data, and checking corresponding data of an Error Correction Code (ECC) block... | 03/25/2008 |
| 7339861 | PLL clock generator, optical disc drive and method for controlling PLL clock generator A PLL clock generator generates an output signal with a frequency N times (where N≧1) as high as that of an input signal. The clock generator includes: a frequency divider for dividing the frequency of a clock signal by N so as to output a frequency-divided clock ... | 03/04/2008 |
| 7339862 | Optical disc driving system and method for determining rotation speed of optical disc A novel optical disc driving system and method for determining the rotation speed of an optical disc are provided, which allow to determine the highest rotation speed optimal for reading out audio and video data in the optical disc in accordance with the environment... | 03/04/2008 |
| 7336573 | Method for handling interrupt request in optical storage drive When an optical storage drive executes a control procedure or operation, a method of handling an interrupt request includes utilizing the optical storage drive to receive an interrupt request from a control circuit; checking whether the interrupt request is a read c... | 02/26/2008 |
| 7333406 | Apparatus and method for reproducing information recorded on information storage medium including improved reproduction halt and restart capabilities, and recorded program media for controlling the same When halting reproduction of an optical disc, the work memory stores identification information of the optical disc and halt position information thereof, and a contents data memory section stores information of reproduction contents. When resuming reproduction, a d... | 02/19/2008 |
| 7327647 | Method and apparatus for generating the wobble clock signal A method for generating a wobble clock signal. When the wobble signal becomes deformed or a defect on the optical disc is found, the present invention provides a stable wobble clock signal, which is used to maintain a stable rotation speed when the optical disc is p... | 02/05/2008 |
| 7327645 | Dubbing apparatus for dubbing data The present invention is a dubbing device for dubbing data from a portable first recording medium such as a CD-DA (compact disc digital audio) to a second recording medium such as a hard disk drive (HDD), in which dubbing to the second recording medium with a large ... | 02/05/2008 |
| 7324416 | Information recording medium, method for simultaneous recording and reproduction, and information recording and reproduction apparatus In order to perform simultaneous recording and reproduction, a large capacity of buffer memories were required. In addition, it was difficult to record data while reproducing data which was recorded by a different apparatus. The present invention has an objective of... | 01/29/2008 |
| 7295768 | Recording and reproducing apparatus In a recording and reproducing apparatus for recording and reproducing video data, includes: a shuffling memory (6); a writing means for writing video data into the shuffling memory in accordance with the synchronizing signal and a write reference clock signa... | 11/13/2007 |
| 7283443 | Power saving method for portable streaming devices A method (2) of controlling memory usage in a portable streaming device (100), a portable streaming device (100) and a computer readable medium (110). The portable streaming device (100) comprises at least one memory (102), ... | 10/16/2007 |
| 7283440 | Tracking error signal detecting method selectively using a push-pull method, an improved push-pull method, and a three beam method and optical recording/reproducing apparatus using the same An optical recording/reproducing apparatus includes an optical pickup and a signal processor. The optical pickup includes an optical splitting device which splits light emitted from a first light source into a main light beam and sub-light beams which are symmetrica... | 10/16/2007 |
| 7280452 | Optical recording/reproducing apparatus capable of reproducing backup recorded information in case of a power failure and recorded information backup method thereof An optical recording/reproducing apparatus capable of backing up recorded information in case of an electrical power failure and a recorded information backup method thereof. Management information on recorded data is stored in a local memory such as a static random... | 10/09/2007 |
| 7260167 | Method and apparatus for synchronization of a bit stream for long latency date detection A method is for decoding a bit stream from a waveform representing the bit stream, having a first synchronization mark, data, and a second synchronization mark. Digitized samples are decoded to form a reconstructed bit stream. The reconstructed bit stream is then st... | 08/21/2007 |
| 7246302 | Disk player for allocating pointers to frames of CD data and storing pointers in memory and method of processing reproduced data of disk player Disk players for allocating pointers to the respective frames of CD data and storing the pointers in a memory, and methods of processing reproduced data of the disk player are provided. According to one aspect, a disk player includes a pointer controller, which allo... | 07/17/2007 |
| 7236436 | Controller for data recorder A controller for controlling interruptions and restarts when writing data to a recording medium by emitting a laser beam against the recording medium. The controller prevents buffer underrun errors. The laser beam is emitted at a high power level when writing data o... | 06/26/2007 |
| 7233553 | Method for emptying recording buffer can be made empty by at most one access operation and at most two recording operation, in a simultaneous recording and reproduction In order to perform simultaneous recording and reproduction, a large capacity of buffer memories were required. In addition, it was difficult to record data while reproducing data which was recorded by a different apparatus. The present invention has an objective of... | 06/19/2007 |
| 7233552 | Optical disk device capable of recording information data according to ZCLV format An optical disk device for recording data in an optical disk under ZCLV control is provided. The optical disk device divides the optical disk into a plurality of zones, and drives said optical disk at a linear velocity fixed in each zone but varied among the zones. ... | 06/19/2007 |
| 7221634 | Apparatus for and method of recording data, and program The rewriting counts in respective areas of a rewritable medium are uniformized. If empty areas are present on the rewritable medium rearward of a recording start position in terms of addresses, then data is recorded in those empty areas. When no empty areas become ... | 05/22/2007 |
| 7218578 | Reproducing apparatus, operating apparatus for reproducing and reproducing method therefor The control section determines the rotational direction and the rotational speed of the operation discal unit based on the first pulse signal from the first optical sensor section. When determines that the operation discal unit starts rotating in the reference rotat... | 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 |
| 7209641 | Decoder A decoder having improved accuracy for reading data. The decoder decodes reproduced data including preamble data, to which a first synchronization pattern is added, and information data, which follows the preamble data and to which a second synchronization pattern i... | 04/24/2007 |
| 7196987 | Controller for data recorder A controller for controlling interruptions and restarts when writing data to a recording medium by emitting a laser beam against the recording medium. The controller prevents buffer underrun errors. The laser beam is emitted at a high power level when writing data o... | 03/27/2007 |
| 7196992 | Apparatus and method for reproducing recorded data on read-only recording medium A read-only recording medium and a reproducing method thereof ensures reproduction compatibility with a rewritable recording medium in which real data is recorded with substantial discontinuity. The read-only recording medium comprises a data recording area in which... | 03/27/2007 |
| 7194588 | Method for reproducing digital information and digital information recording or reproducing device A method for reproducing digital information includes the steps of: transferring, with a control circuit, information in a hard disk drive to a memory simultaneously with completion of storage of the information in the hard disk drive from outside of a device body, ... | 03/20/2007 |
| 7173870 | Dual operation mode memory device Disclosed is a memory device, which combines a self-refresh enable signal and a power mode decision signal and prevents an internal voltage from being dropped down without the increase of IDD3P current when the memory device performs a self-refresh operation. The me... | 02/06/2007 |
| 7154834 | Recording information for seamless playback A disc recording device has a rule based extent allocation strategy. Real-time information like audio is to be reproduced continuously via a rendering system having predefined properties: a buffer, a minimal read-out speed Rdisc, and a maximal seek time Tseek. The i... | 12/26/2006 |
| 7149167 | Data recorder A data recorder for recording data that records data in a continuous manner regardless of interruptions. An encoder encodes data that is to be written to a recording medium. A synchronizing circuit synchronizes the data read from the recording medium with the encode... | 12/12/2006 |
| 7149165 | Controller for data recorder A controller for a data recorder for recording data that records data in a continuous manner regardless of interruptions. An encoder encodes data that is to be written to a recording medium. A synchronizing circuit synchronizes the data read from the recording mediu... | 12/12/2006 |
| 7145852 | Method and apparatus for decoding encoded data around a linking area on an optical storage medium A method for decoding encoded data around a linking area on an optical storage medium includes: detecting at least one type of sync patterns within the encoded data; determining an offset value corresponding to the linking area according to the detected sync pattern... | 12/05/2006 |
| 7145856 | Data recording device and controller for data recording device A recording interruption-controlling section interrupts recording if vibration is detected in order to complete proper recording by making it possible to interrupt and restart recording in cases where proper recording is difficult to continue because of vibration or... | 12/05/2006 |
