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| Number | Title | Issue Date |
| 7881171 | Method for reproducing optical recording medium A method for reproducing an optical recording medium includes: determining a kind of optical pick-up device placed to reproduce an optical recording medium; detecting a push-pull signal or a pre-pit signal of an inserted recording medium according to the kind of opt... | 02/01/2011 |
| 7787336 | Apparatus and method of processing signals of an optical disk recording/reproducing apparatus A signal processing apparatus of an optical disk recording/reproducing apparatus and a signal processing method performed thereby are provided. The signal processing apparatus may include an operational data generation unit for receiving digital signals, filtering r... | 08/31/2010 |
| 7593299 | Optical disk recording/reproducing apparatus and optical disk recording/reproducing method A verify operation is the one that is carried out to further improve reliability of recorded data. Because recording and reproduction are made repeatedly, however, the same time is consumed for reproduction even if recording is made at a double-speed, for example, a... | 09/22/2009 |
| 7369625 | Apparatus and method for slicing RF signal and compensating for the slice level of RF signal in disk drive An apparatus and method for slicing an RF signal and compensating for the slice level of an RF signal reproduced from a disk, which minimizes a block error rate by optimizing the slice level of the RF signal according to variations in symmetry of the RF signal when ... | 05/06/2008 |
| 7369472 | Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the o... | 05/06/2008 |
| 7366070 | Storage medium including a burst cutting area (BCA) According to one embodiment, a storage medium includes a burst cutting area at an inner periphery, wherein the burst cutting area has includes plural burst-cutting-area data areas. ... | 04/29/2008 |
| 7366963 | Data recording/reproduction device, data recording/reproduction method, and digital camera The present invention is directed to a data recording method of notifying degree of deterioration of recording medium thus to perform stable recording operation. Even in the case where uncorrectable address read error does not exist, deterioration information is dis... | 04/29/2008 |
| 7362691 | Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the o... | 04/22/2008 |
| 7355946 | Method of recording signals onto a recording medium A method of recording data onto an optical disk uses a write strategy that corresponds to the recording features of the optical disk. The method detects a track pitch or storage capacity of a recording medium, adjusts a write strategy according to the detected track... | 04/08/2008 |
| 7355936 | Disc recording medium, disc drive apparatus, and reproduction method First data representing user data and third data use the same error correction codes. The first data has a first error correction block structure and the third data has a second error correction block structure. That is to say, the first data and the third data have... | 04/08/2008 |
| 7352682 | Storage medium including a burst cutting area (BCA) According to one embodiment, a storage medium includes a burst cutting area at an inner periphery, wherein the burst cutting area has includes plural burst-cutting-area data areas. ... | 04/01/2008 |
| 7349302 | Optical disk recording apparatus and optical disk recording method For protecting the recording from shifting in the position, by conducting sync detection, correctly, from land pre pits, in an optical type recording disc, even if sync pattern errors, in more detail, synchronization is conducted on a recording circuit, with certain... | 03/25/2008 |
| 7343285 | Method to integrate user data into uncompressed audio data Methods for encoding user data into an audio file, and for decoding of the same, are provided. Embodiments include preparing user data for encoding into the audio file including writing user data in blocks of data including header and other information in addition t... | 03/11/2008 |
| 7339879 | Information storage medium, information recording method, and information recording/reproduction apparatus This invention achieves high-density recording while preventing recording units from overlapping. Recording is done to form a gap between predetermined recording units. Since this gap is formed, even when a rotation driving mechanism of a medium suffers rotation non... | 03/04/2008 |
| 7334733 | Data access device using rotational head to access data stored in data strips and data arc segments or data circles This invention discloses a data card that has a plurality of data arcs and also a linear data track, e.g., a magnetic or optical data strip, disposed on a flat data storage medium. The data card may be employed as a credit card or ID card with conventional magnetic ... | 02/26/2008 |
| 7336594 | Information storage medium, information recording method, and information recording/reproduction apparatus This invention achieves high-density recording while preventing recording units from overlapping. Recording is done to form a gap between predetermined recording units. Since this gap is formed, even when a rotation driving mechanism of a medium suffers rotation non... | 02/26/2008 |
| 7330415 | Optical record carrier recording method and recording apparatus In an optical record carrier recording method for forming marks and lands by irradiating a radiation beam onto a recording surface of an optical record carrier, the radiation beam for each mark to be recorded is set to at least one write power level (Pw) ... | 02/12/2008 |
| 7319648 | Apparatus and method for reproducing record for optical recording medium The method for reproducing records for the optical recording medium detects and compensates for detrack, tilt and defocus, having advantages in that: (1) the magnitude and the direction of detrack, tilt and defocus can be detected from a difference signal (for examp... | 01/15/2008 |
| 7315492 | Header mask signal generating track jump method for a recording medium A track jump method for an optical recording/reproducing medium is provided. In the track jump method, once a track jump command is input, a track jump operation is held until a falling edge of a header mask signal is detected. The track jump starts at the falling e... | 01/01/2008 |
| RE39953 | Recording apparatus and method, and reproducing apparatus and method A reproducing apparatus for reading, or a recording apparatus for writing, data from or to a disc having pre-formed thereon a pair of concentrical or spiral tracks adjacent to each other and to which a common address is given, is adapted to control the time at which... | 12/25/2007 |
| 7287130 | Storage medium on which data can be further written after finalization and apparatus and method for recording and reproducing data using the storage medium A storage medium and an apparatus and a method for recording and reproducing data using the storage medium are provided where additional data is recorded after finalization. The storage medium includes a data recording region, and a title search information region i... | 10/23/2007 |
| 7272088 | Information recording apparatus and optimum recording laser power detecting method An information recording apparatus records the record data onto an information recording medium, which is provided with wobbled tracks and on which pre-format address information is recorded. The information recording apparatus is provided with: an optical pickup; a... | 09/18/2007 |
| 7253981 | Disc drive with reduced write latency A disc drive with a disc having multiple concentric data tracks. A track start point is rotationally displaced by a track skew time relative to a track start point of an adjacent concentric data tracks. The read/write head has a write settling time that is more than... | 08/07/2007 |
| 7248557 | Robust header configuration and method for reading sector identifiers contained therein For the purpose of providing sector-address information on optical disks, a robust header is realized by utilizing a very simple encoding method that allows asynchronous reading. In order to provide robustness and reliability, the header uses a biphase data format t... | 07/24/2007 |
| 7224953 | Receiving device and television receiver A receiving device in which the shielding performance is improved to solve a pulling problem in a receiving device of a direct conversion system is provided. The receiving device includes: a substrate on which an amplifier 30 that amplifies high freque... | 05/29/2007 |
| 7203147 | Storage medium initialization method, and recording and reproducing method and apparatus A storage medium initializing method includes the steps of detecting a mode corresponding to a recording format to be loaded on a storage medium; and initializing the storage medium according to the mode detected in the detecting step. A recording and reproducing me... | 04/10/2007 |
| 7185814 | Layer structure and method of manufacture for optical memory strip (OMS) This invention discloses an optical memory strip and a data card that has at least an optical memory strip as a cutoff piece bonding and attaching to the data card for storing data accessible with an optical read/write head. The data card can further includes at lea... | 03/06/2007 |
| 7174511 | Method of reproducing a multi-session disk The present invention relates to a method of selectively reproducing a desired type of data from a multi-session disk in which various types of data have been recorded on sessions. The method of reproducing a recording medium containing same type of contents in each... | 02/06/2007 |
| 7170841 | Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method An information recording medium is provided, which comprises a plurality of recording layers and a first disc information area for storing parameters relating to access to the plurality of recording layers and formats relating to the plurality of recording layer. Th... | 01/30/2007 |
| 7161753 | Modulation of sidewalls of servo sectors of a magnetic disk and the resultant disk A discrete-track-recording (DTR) disk (also called “patterned” disk) has a sectored servo formed by modulation of its sidewalls in a predetermined manner, whereas sidewalls of data sectors are not modulated in this manner. Each servo sector has two side walls th... | 01/09/2007 |
| 7154822 | Optical disc recording control method, drive, and recording system for recording data in a pre-gap, all tracks, a lead-out area, a lead-in area, and a program memory area According to an optical disc recording control method, a drive, and a recording system of the present invention, in a drive of an optical disc, when data transfer from a host computer is interrupted while data transmitted from the host computer is being recorded in ... | 12/26/2006 |
| 7154840 | Recording medium, information recording and reproducing method, and recording and reproducing apparatus Conventionally, as in the case of switching between a DVD-R and a DVD-RAM, when the method of record mark arrangement in a track is changed, the physical format of the disk is also changed. This makes it difficult to ensure compatibility between pieces of data recor... | 12/26/2006 |
| 7151734 | Player with two read heads for double-sided optical discs A double-sided optical disc, such as a DVD-18 disc, is formed with data tracks on each layer. The tracks on one side are oriented along one spiral while the tracks on the other side are oriented along a second spiral, the two spirals being oriented in opposite direc... | 12/19/2006 |
| 7127662 | Method for recording address information on optical recording medium, optical recording medium including address information recorded thereon by the same method, and method for detecting address information recorded on the same optical recording medium A method for recording address information on an optical recording medium, an optical recording medium including address information recorded thereon by the same method, and a method for detecting the address information recorded on the optical recording medium. Phy... | 10/24/2006 |
| 7126895 | Optical disk recorder optimizing laser power for initial writing and overwriting A method is designed for recording data on a recordable area of an optical disk by irradiating thereto an optical beam having a writing power effective to write the data in the recordable area including a non-recorded area which is blank and a recorded area which is... | 10/24/2006 |
| 7106674 | Reproduction apparatus In a multi-session disc including both audio session and data session, the data session is correctly recognized and accessed. The reproducing apparatus is a reproducing apparatus of a multi-session disc mixing a session of first type recording first data and a sessi... | 09/12/2006 |
| 7099241 | Apparatus for scanning optical recording media An apparatus for reading and/or writing data markings of an optical recording medium having data markings arranged along a track and header markings arranged laterally offset with respect to the center of the track, the apparatus having a header identification unit.... | 08/29/2006 |
| 7092331 | Reproduction of audio data from recording medium The present invention provides an audio data recording medium reproducer, wherein CPU 10 which writes audio data read by reader 11 into buffer memory 13 and buffer memory controller 21 which transfers the data to buffer memory 22 a... | 08/15/2006 |
| 7076624 | Method and system for providing restricted access to a storage medium A method of restricting file access is disclosed wherein a set of file write access commands are determined from data stored within a storage medium. The set of file write access commands are for the entire storage medium. Any matching file write access command prov... | 07/11/2006 |
| 7068577 | Disk drive and method for reducing spin-up processing time In a spin-up process in a disk drive, the values of a PMA counter and a TOC counter are compared with each other with respect to a write-once disk. The PM counter is a adapted to count the number of disks in which information is written in a PMA region, among the di... | 06/27/2006 |
