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| Number | Title | Issue Date |
| 8189440 | Method and apparatus for vibration damping of a suspended media read/write head A method of controlling a head for a recording medium includes determining that the head is in an inoperative state, and activating a damping arrangement in response to the determination that the head is inoperative. A movement of the head while the head is inoperat... | 05/29/2012 |
| 8094529 | Apparatus for recording of information With an object of executing excellent finishing processing when information is recorded to a rewritable type record medium or a write once type record medium, the finishing processing is switched by whether a kind of a medium for recording information is the rewrita... | 01/10/2012 |
| 8045432 | Optical disc device Light emitted from a radiation light source 1 passes through a diffraction grating 3a and is separated into transmitted light a and +1st/−1st order diffracted lights b, c. These lights are collected through an objective lens 7 on tracks... | 10/25/2011 |
| 8036078 | Optical disc apparatus and optical pickup An optical disc apparatus according to the present invention includes: an optical pickup including an optical system that converges a light beam on an optical disc and a photodetector that detects light reflected from the optical disc; and a fingerprint detector for... | 10/11/2011 |
| 8009536 | Recording and reproducing apparatus A recording and reproducing apparatus includes an access display unit of a hard disk and a failure diagnosis unit to carry out a failure diagnosis by using error information of data reproduced from the hard disk, in which either a video recorded in the hard disk is ... | 08/30/2011 |
| 8009537 | Disk inspection apparatus A disk inspection apparatus for discriminating disks. The disk inspection apparatus has an ECC control section and a comparison section. The ECC control section measures the number of error corrections PIE and the number of error correction failures PIF in a predete... | 08/30/2011 |
| 7859965 | Recording device and method, reproducing device and method, recording/reproducing device and method, and computer program A recording device (1T or the like) is provided with (i) recording elements (50, 40) for recording data by irradiating a recording medium with laser beams; (ii) driving members (33T, 33F, 55T, 55F, 54) for performing ... | 12/28/2010 |
| 7852722 | Optical disk apparatus and playback signal processing method Provided is an optical disk apparatus which has high read retry ability and high compatibility by performing a proper verify for other apparatuses. The optical disk apparatus includes a playback system capable of arbitrarily changing playback performance, and means ... | 12/14/2010 |
| 7835240 | Recording apparatus, abnormality detection method, and program A recording apparatus recording data on an optical disk includes a management information checking unit that determines whether or not management information on the optical disk for managing the data recorded on the optical disk exists by checking for management inf... | 11/16/2010 |
| 7813241 | Recovery method for recording to write-once disc A recovery method for recording to a write-once disc. The recovery method includes: sequentially reading data within a plurality of Data Control Blocks corresponding to respective sessions on the write-once disc; utilizing data included in the Data Control Blocks to... | 10/12/2010 |
| 7760598 | Method and system for evaluating CD player response to anomalies in a CD A system and methods for evaluating the response of an optical digital disk player to anomalies in optical digital disks are provided. The system includes a simulator configured to provide digital simulated output signals simulating the output of an optical digital ... | 07/20/2010 |
| 7675827 | Information processing apparatus, information processing method, and program An information processing apparatus that transmits transmission data to another first information processing apparatus through an access point includes: a detection unit configured to detect the access point; a reproduction unit configured to reproduce the transmiss... | 03/09/2010 |
| 7663996 | Track jumping for optical recording media A method for track jumping for optical recording media exhibiting eccentricity, and to an apparatus for reading from and/or writing to optical recording media using such method is disclosed. The method for track jumping for optical recording media exhibiting eccentr... | 02/16/2010 |
| 7649820 | Apparatus and method for detecting defect signals The method of detecting defect signals includes: setting a default pit length range; inputting a data signal including a plurality of pits with different pit lengths; transferring the data signal into NRZ signal and counting the pit length of each pit; accumulating ... | 01/19/2010 |
| 7548498 | Optical disk unit capable of reading out data normally and continuously after suspension of data writing An optical disk unit includes the following: a storage part temporarily storing data to be written to an optical disk; a processing part processing the data; an encoder part modulating and outputting the processed data; a writing control part controlling writing of ... | 06/16/2009 |
| 7505385 | Method of detecting optical disc error information A method of detecting optical disc error information on an optical disc, for applying in an optical disc drive, the method comprising: first, detecting whether the optical disc is blank, if not, perform the following: checking whether a seek error occurred, if yes, ... | 03/17/2009 |
| 7502294 | Information recording and playback apparatus, content management method, and content management program capable of preventing illegal copying of content Information recording and playback apparatus, content management method, and content management program. When data of copyright-protected content is recorded in a general-purpose HDD, illegal copying of the content is prevented. Each time when content is recorded in... | 03/10/2009 |
| 7468938 | Recording method, reproduction method, recording apparatus, reproduction apparatus, and information recording medium A recording method for recording, on a write once type information recording medium, management information representing a recording state of the write once type information recording medium is provided. The information recording medium includes data including a fir... | 12/23/2008 |
| 7440372 | Information recording medium recording method, information recording/playback apparatus, and information recording medium In an information recording medium recording method, recording is interrupted, in recording on an information recording medium, when a predetermined interruption condition is met. A signal recorded in a recorded area is played back and a recording signal playback wa... | 10/21/2008 |
| 7437053 | Digital video recorder, method of driving the video recorder and program A digital video recorder writes data on a selected one of a first storage medium and a second storage medium. The recorder includes an abnormal state detector for detecting any abnormal event that possibly occurs while the recorder is writing the data on the first s... | 10/14/2008 |
| 7428195 | Information reproduction apparatus and information reproduction method An information reproduction apparatus and method according to the present invention are provided so as to solve the problem that signal quality is degraded in a normal signal part when always performing a correction of a transient in reproducing information recorded... | 09/23/2008 |
| 7420903 | Electronic equipment, highlighting method, and program installed in the equipment Disclosed is electronic equipment enjoying improved ease of use, and a highlighting method and a program to be implemented or installed in the electronic equipment. For example, a user performs manipulations so as to reproduce a content up to the middle of the conte... | 09/02/2008 |
| 7409599 | Method of verifying defect management area information of optical disc upon initialization without certification and test apparatus for performing the same A method of verifying defect management area (DMA) information of an optical disc upon initialization without certification, and a test apparatus for performing the same. The method includes generating as test information, defect management information, which is gen... | 08/05/2008 |
| 7360126 | Method of and apparatus for managing disc defects using temporary defect management information (TDFL) and temporary defect management information (TDDS), and disc having the TDFL and TDDS A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in ... | 04/15/2008 |
| 7356825 | Disk carrying apparatus The disk carrying apparatus includes a lifting portion which carries a disk onto a turntable, a chuck which holds the carried disk on the turntable, and a third switch which detects an intermediate position between a holding operation start position where the chuck ... | 04/08/2008 |
| 7326852 | String device A string device designed for, or combined with elements for, transfer of power and/or signals in applications of monitoring, control, communication, detection, measurement or power distribution. The device provides a passive structural core element and at least two ... | 02/05/2008 |
| 7319643 | Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error An apparatus for recording data on and reproducing data from the disk in which a recording area is divided into sectors, includes a reproducing signal generator for generating a reproducing signal including sum signals V1 and V2 of radial pairs, a sum ... | 01/15/2008 |
| 7313063 | Method of determining the time for executing optimal power calibration in an optical drive A method of determining the time for executing optimal power calibration in an optical drive. First, relationships between values of a driving signal and ambient temperatures of the optical drive are recorded in look up table in a memory. According to the look up ta... | 12/25/2007 |
| 7304923 | Disk drive and detection method using pre-pit detection and push-pull signal generation A push pull signal is detected from a disk-shaped storage medium on which wobbling grooves are formed as recording tracks and address information is recorded by forming pre-pits on lands between adjacent grooves. The detected push-pull signal is compared with a refe... | 12/04/2007 |
| 7295497 | Optical disk device and tilt correction method thereof There are provided an optical disk device and tilt correction processing method for performing recording/reproduction by rapidly acquiring an optimal tilt correction value for an optical disk having a plurality of recording/reproducing layers. In an optical disk dev... | 11/13/2007 |
| 7266075 | Recording medium with a linking area including scrambling data thereon and apparatus and methods for forming, recording, and reproducing the recording medium A recording medium, such as a high-density and/or read-only recording medium including a data area including at least two data sections and a linking area to link neighboring data sections, the linking area including scrambled user data produced by scrambling user d... | 09/04/2007 |
| 7266666 | Method for fast verification of sector addresses The present invention relates to a method and a device for the fast verification of sector addresses in a data stream obtained from a recording medium upon a request from a microcontroller. According to the invention, the method comprises the steps of: reading the d... | 09/04/2007 |
| 7257075 | Recording medium with a linking area thereon and apparatus and methods for forming, recording, and reproducing the recording medium A recording medium, such as a high-density and/or read-only recording medium that has the same or similar physical recording format, including a linking area, in order to improve reproduction compatibility with a high-density and/or rewritable recording medium, and ... | 08/14/2007 |
| 7257061 | Method and apparatus for determining a recordable position of a writable disk The present invention relates to a method of searching for a recordable position of a writable disk, the method comprising the steps of (a) reading data recording information of the writable disk, the data recording information indicating a position of a last track ... | 08/14/2007 |
| 7233880 | Adaptive cache algorithm for temperature sensitive memory A temperature sensitive memory, such as a ferroelectric polymer memory, may be utilized as a disk cache memory in one embodiment. If the temperature begins to threaten shutdown, the memory may be transitioned from a write-back to a write-through cache memory. In suc... | 06/19/2007 |
| 7225136 | Data compression and expansion of an audio signal A data compression apparatus for data compressing an audio signal includes an input terminal (1) for receiving the audio signal, a 1-bit A/D converter (4) for A/D converting the audio signal so as to obtain a bitstream signal, a lossless coder (10 | 05/29/2007 |
| 7221631 | Method for recording data on optical recording medium A method for recording data on an optical recording medium includes the step of receiving data to be written and control data. The control data includes status information to indicate whether or not an other sector within a block in which a sector is included is val... | 05/22/2007 |
| 7218594 | Recording medium, and method of and device for recording information on a recording medium and reading information from a recording medium The invention relates to recording of information, in particular a real-time audio and/or video signal, in a recording track (3) of a recording medium (2) divided into blocks (45). The recording medium contains a defect list (BS) of addresses of... | 05/15/2007 |
| 7218581 | Asynchronous crosstalk cancellation A device for delivering a data signal at a data rate has crosstalk cancellation. The crosstalk reducing unit (14) has an adaptive filter (15) to generate a crosstalk signal corresponding to a track adjacent to a track being scanned. A subtractor (16... | 05/15/2007 |
| 7212475 | Method and apparatus for tilt correction and tilt driving signal generating circuit In the tilt correction method, information about inclination of an object lens relative to an information recording medium is acquired. A direct current signal Sdc for correcting the inclination is produced based on the information. An alternating current signal Sac... | 05/01/2007 |