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7624331 Information recording disc, recording and/or reproducing device and method  
Four ECC blocks are recorded in a burst cutting area of an optical disc. Each ECC block is constituted by a BCA content code of 1 byte, content data length of 1 byte, and content data of 14 bytes....
7624330 Unified memory architecture for recording applications  
An apparatus comprising a first circuit, a second circuit and a disc. The first circuit may be configured to (i) extract video data as data blocks from an input signal and (ii) perform error...
7613986 Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium  
An ECC block is constituted by RS(248,216,33). Of a data length of 216 bytes (symbols), only 16 bytes are allocated to BCA data and the remaining 200 bytes are used for fixed data having a...
7613983 Error correction device of optical disk unit  
An error correction device for an optical disk reproduction unit for reproducing recorded information from an optical disk recorded with a code row data added with an error code in the same...
7600176 Performing multiple Reed-Solomon (RS) software error correction coding (ECC) Galois field computations simultaneously  
Performing multiple Reed-Solomon (RS) software error correction coding (ECC) Galois field computations simultaneously in a RISC processor. A means is presented by which multiple Galois field...
7590919 Apparatus, method and computer program product for reading information stored in storage medium, and storage medium for storing information based on charge amount  
A reproducing apparatus includes a storage unit including a plurality of memory elements each capable of holding an electric charge, each memory element indicating a 2-bit code which is related to...
7587656 Method and apparatus for detecting and correcting errors in stored information  
A device can receive information to be stored in a first part of a first portion of a block, read previously-stored information from a second part, and store the specified information in the first...
7586706 Method for checking the quality of servo gray codes  
A dynamic threshold detector for a magnetic storage medium comprises a transition detector that receives data comprising pairs of values based on data received from the magnetic storage medium,...
7584403 Information storage medium on which drive data is recorded, and method of recording information on the information storage medium  
An information storage medium includes a drive zone having a plurality of physical clusters or ECC blocks. When new drive data is recorded in the drive zone, the new drive data is recorded in a...
7584402 Data storage format for encoding a bit stream on or in a surface  
A data storage format for encoding a bit stream on or in a surface. The format includes at least one data portion which encodes a data sequence including the bit stream followed by corresponding...
7577786 Restore accelerator for serial media backup systems  
A method for accelerating a tape backup system restore process receives a list of files that are to be restored and searches a tape catalogue to find tape volume and file sequence numbers for each...
7574648 Semiconductor device  
When the miniaturization of a DRAM advances, the capacity of a cell capacitor decreases, and further the voltage of a data line is lowered, the amount of read signals remarkably lowers, errors are...
7571372 Methods and algorithms for joint channel-code decoding of linear block codes  
Circuits, architectures, methods and algorithms for joint channel-code decoding of linear block codes, and more particularly, for identifying and correcting one or more errors in a code word and/or...
7565600 Method for determining output signals of a Viterbi decoder  
The present invention provides a method for determining output signals of a Viterbi decoder. Firstly, in step (a), a plurality of digital signals are received through a path memory module of the...
7565599 Information storage medium on which drive data is recorded, and method of recording information on the information storage medium  
An information storage medium includes a drive zone having a plurality of physical clusters or ECC blocks. When new drive data is recorded in the drive zone, the new drive data is recorded in a...
7558897 Method for adopting an orphan I/O port in a redundant storage controller  
A method for adopting an orphaned I/O port of a storage controller is disclosed. The storage controller has first and second redundant field-replaceable units (FRU) for processing I/O requests and...
7546513 Circuit and method for checking and recovering a disk array  
The present invention is provided for producing check data or recovery data in a disk array. According to the present invention, a plurality of buffers receives and stores the data respectively for...
7543219 Recording and/or reproducing method, recording and/or reproducing apparatus, and computer readable recording medium storing program for performing the method  
A recording and/or reproducing method, a recording and/or reproducing apparatus, and a computer readable recording medium storing a program for performing the method. A recording unit block in...
7543218 DVD decoding method and apparatus using selective po-correction  
A method of decoding DVD-format data may include: receiving a demodulated error correction code (ECC) block of DVD-format data; parity-of-inner-code-correcting (PI-correcting) the demodulated ECC...
7543217 Method of determining suitability of a recording medium for being recorded to and/or reproduced from by an apparatus  
Suitability of a recording medium for being recorded to and/or reproduced from by an apparatus is determined. Address information is read from a recording medium having at least a first area in...
7539919 Optical recording medium, apparatus and method of recording/reproducing data thereon/therefrom, and computer-readable recording medium storing program to perform the method  
A recording medium on which a recording/reproducing unit block is recorded, an apparatus to record and/or reproduce data on/from the recording medium, and a method of recording/reproducing the data...
7530008 Scalable-chip-correct ECC scheme  
An apparatus comprises an encode circuit coupled to receive input data and configured to generate corresponding codewords and a decode circuit coupled to receive codewords and detect an error in...
7516392 Recording apparatus, reproducing apparatus and recording medium  
A first run length encoder implements run length modulation of a first information signal to generate a second information signal of a run-length-limited code while subjecting the second...
7512865 Method for controlling read velocity in a disk device  
A method for controlling read velocity in a disk device is provided. When reading data on the disc, the method first reads each SYNC of blocks to form an ECC code, read data to decode, and checks...
7509558 Error correction method for reed-solomon product code  
A method and apparatus for error correction of an encoded data stream. A demodulated data stream is saved in an input buffer. A first correction process is performed on-the-fly in the input buffer....
7502986 Method and apparatus for collecting failure information on error correction code (ECC) protected data  
A method of error correction code (ECC) debugging for a system comprising, receiving data having an ECC, determining whether a data error has occurred, generating a syndrome of an error result,...
7499834 System and methods for reporting device allocation  
A storage area network (SAN) management application generates device allocation reports displaying foundation variables, device specific parameters, and computed, derived fields for different types...
7475327 Optical disc recording and reproducing apparatus  
When an ECC error correction fails in both VMGI and VMGI_BUP, when the ECC error correction failed due to damage of PI in VMGI and PI for the same portion in VMGI_BUP is intact, in a case where the...
7475325 Data processor  
A data processor that reduces the chip area of a semiconductor substrate. The data processor includes a detection circuit for generating an error detection code with digital data. A correction...
7464241 Memory transaction burst operation and memory components supporting temporally multiplexed error correction coding  
Methods and apparatus for use with memory systems and memory modules are included among the embodiments. In exemplary systems, error-correction coding (ECC) data is temporally multiplexed with user...
7461327 Digital data coding apparatus, DVD recording apparatus, and method of using the same  
A data coding apparatus and method for recording digital data on a digital versatile disk (DVD) are provided, where the DVD recording apparatus reduces the number of times that memory is accessed...
7461326 Information processing method capable of detecting redundant circuits and displaying redundant circuits in the circuit design process  
The information processing method of the present invention detects redundant circuits as described below by means of an information processor that is provided with: a storage unit for storing...
7454688 Information recording disc, recording and/or reproducing device and method  
Four ECC blocks are recorded in a burst cutting area of an optical disc. Each ECC block is constituted by a BCA content code of 1 byte, content data length of 1 byte, and content data of 14 bytes....
7444581 Error handling of storage device data in real time systems  
A storage device performs error correction for all data read from media. Correctly read data or data that is corrected following the reading is transferred to a host for use. If the error...
7441176 Method and apparatus for efficiently detecting and/or correcting address information of optical recording/reproducing apparatus  
A method of detecting address information for an optical recording and/or reproducing apparatus, including: detecting and/or correcting by using the characteristic of a medium when additional data...
7437649 Data recording method and device  
Data is arranged to one block obtained after a CIRC process so that a predetermined data pattern is recorded into a predetermined portion on a disc. By tracing back an encoding step of a...
7430702 Data recording/reproducing apparatus and data recording/reproducing method  
A data recording/reproducing method and apparatus for correcting data errors on a recording medium even with the use of a conventional ECC. The data recording/reproducing apparatus includes a...
7428690 Packet communication apparatus  
A packet communication apparatus, which includes a CPU, a memory, and a packet communication circuit, acts as an interface between a network-connected controlled object and a network terminal that...
7426676 Data retrieval from a storage device using a combined error correction and detection approach  
One or more methods and systems of effectively retrieving data stored in a media of a storage device are presented. The one or more methods and systems are implemented by way of correcting and...
7415653 Method and apparatus for vectored block-level checksum for file system data integrity  
A method for storing a data block, involving storing the data block in a storage pool, obtaining a data block location, determining a checksum function for the data block, calculating a data block...
7395462 Defect estimation apparatus and related method  
A weighted defect estimating apparatus and a related method for determining a defect estimation value are disclosed. The weighted defect detecting apparatus includes: a defect detecting unit for...
7392439 Calculation of data frequencies in recording media  
A computer process establishes data frequencies for recording data in zones of a zone bit recording medium in a disc drive. At least three data points are identified for each zone correlating data...
7389466 ECC in computer system with associated mass storage device, and method for operating same  
A computer system ( 10 ) and method are presented for performing ECC corrections on data contained in a mass data storage device ( 20 ). The computer system ( 10 ) has a host computer ( 12 ) having...
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...
7343545 Method for processing noise interference  
A method for processing noise interference in a serial AT Attachment (SATA) interface. The method includes the steps of detecting whether there is an error in CRC (Cyclic Redundancy Check) checksum...
7343544 Optical disk playback apparatus and data playback method therefor  
An optical disk playback apparatus for playing back or reproducing main data and its associated sub-code which are read from an optical recording medium comprises an interleave RAM for storing the...
7334180 Optical encoding method  
A method for generating parity codes of a data sector having data information and main data. The main data is scrambled to generating outer-code parity. The main data is scrambled to generating...
7322003 Information storage device  
A control unit transfers user data and an ECC that are read from a magnetic disk and stored in an FIFO to a data buffer. An erasure position movement control unit shifts an erasure start position...
7319718 CQI coding method for HS-DPCCH  
In the channel quality information (CQI) coding method of the present invention, first basis sequences for generating sub-codes of 32 bits are created, and second basis sequences for generating...
7315976 Method for using CRC as metadata to protect against drive anomaly errors in a storage array  
The present invention is directed to a method and system for disk drive data recovery utilizing CRC information and RAID parity. CRC meta data is compared with either the CRC generated from the...
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