Abstract: A data transfer method transfers data encoded with a loss correction code by using a protocol having no error correction function. The method includes acquiring a data size of transfer target data; acquiring a relationship between a code length of the loss correction code and a transfer time for the acquired data size of the transfer target data; determining an optimum code length of the loss correction code for encoding the transfer target data based on the acquired relationship between the code length and the transfer time for the acquired data size; and encoding the target data with the loss correction code having the optimum code length.

Abstract: A system stores identification information for identification of a part associated with installation information for designation of a position where the part is installed in a first apparatus; receives the identification information about the part to be read and transmits it by a second apparatus; and retrieves the received identification information from the storage unit, and generates a first composite image by combining installation information corresponding to the retrieved identification information with an image of the first apparatus.

Abstract: An IP-data transmitting apparatus performs an error correction coding by classifying data into a layer indicative of the priority order of the data based on importance and vulnerability of information included in the data, and combining a plurality of data components into combination patterns. The number of the combination patterns is specified with respect to each layer with predetermined priority order.

Abstract: A data transmitting device includes a coded-data generating unit and a data transmitting unit. The coded-data generating unit divides transmission data by a predetermined number in accordance with a data size of the transmission data and then adds a redundant code to the divided transmission data at a predetermined ratio or adds the redundant code to the transmission data at the predetermined ratio so as to generate multiple blocks of coded data. The data transmitting unit groups together the multiple blocks of coded data generated by the coded-data generating unit into a number of blocks that are inserted into a transmission data block, which has a predetermined size, and then transmits the transmission data block.

Abstract: In a data encoding process: data is encoded by using unit bit series obtained from an encoding bit series; the encoding bit series is searched for a first bit series identical to a portion of the encoded data; the portion is substituted with a second bit series which includes a leading code indicating a leading position of a substitution range and position information indicating the position of the first bit series in the encoding bit series. In a data decoding process: the position information is detected from the substitution range in received data after the leading code is detected in the data; a substitution bit series is extracted from the position in the encoding bit series indicated by the position information; and the data in the substitution range is substituted with the substitution bit series so as to restore the encoded data.

Abstract: Disclosed is a communication system that transmits data through a transmission path between a transmission side apparatus and a reception side apparatus, wherein the transmission side apparatus comprises a coding apparatus that creates redundantly-coded data from original data; a transmitting apparatus that sends the coded data coded by the coding unit to the transmission path; and a coding rate determining apparatus that sets and controls a coding rate in the coding unit, wherein the reception side apparatus comprises a receiving apparatus that receives the coded data sent through the transmission path; a decoding apparatus that decodes the original data from the coded data received; and a loss rate estimating apparatus that measures the loss rate on the path of the coded data sent, and wherein the coding rate determining apparatus of the transmission side apparatus varies and controls the coding rate in the coding apparatus based on the loss rate obtained.

Abstract: A data transfer method transfers data encoded with a loss correction code by using a protocol having no error correction function. The method includes acquiring a data size of transfer target data; acquiring a relationship between a code length of the loss correction code and a transfer time for the acquired data size of the transfer target data; determining an optimum code length of the loss correction code for encoding the transfer target data based on the acquired relationship between the code length and the transfer time for the acquired data size; and encoding the target data with the loss correction code having the optimum code length.

Abstract: A data transfer apparatus includes a data accumulation unit to accumulate data to be transferred, an encoding matrix storage unit to store an encoding matrix for encoding data of each of a plurality of data sizes, an encoding size determination unit to determine a block of data to be transmitted in descending order of data size based on the data sizes of the data accumulated in the encoding matrix storage unit, an encoding unit to acquire an encoding matrix corresponding to the data size of the determined block form the encoding size determination unit and encode data accumulated in the data accumulation unit for each block using the acquired encoding matrix, a packet generation unit to generate a packet by adding encoding information about the encoding matrix used for encoding the encoded data, and a transmission unit to transmit the generated packet.

Abstract: A liquid crystal display apparatus includes a display area in which pixels each having a switching element and electrode are arranged forming a matrix; a first scanning circuit to control whether the switching elements are turned on or off via first wires; a second scanning circuit to control whether an image signal generating circuit is electrically connected to or disconnected from second wires, and to assign image signals to the pixels via those wires; a discharging element to discharge the assigned image signals; a detecting circuit to detect reduction in a power supply voltage and to output a detection signal; and a control circuit to perform a controlling operation according to the signal so that the image signal generating circuit is electrically disconnected from the second wires, the switching elements are turned on, and the discharging element is caused to operate.

Abstract: An active matrix substrate for a reflection type liquid crystal display apparatus has an image display region 10 including a plurality of pixels 1 each having a reflection electrode 4a and a switching element 2, a black display region 11 including a plurality of pixels for providing only a black display each having a reflection electrode 4b, a wiring layer 111 between the switching elements 2 and the reflection electrodes, a light shielding layer 113 between the wiring layer 111 and the layer forming the reflection electrodes, a through hole 112a between the wiring layer 111 and the light shielding layer 113 in the image display region 10 for electrically connecting the reflection electrode 4a to the switching element 2, and a through hole 112b between the wiring layer 111 and the light shielding layer 113 in the black display region 11 and electrically isolated from the switching element 2.

Abstract: In a data encoding process: data is encoded by using unit bit series obtained from an encoding bit series; the encoding bit series is searched for a first bit series identical to a portion of the encoded data; the portion is substituted with a second bit series which includes a leading code indicating a leading position of a substitution range and position information indicating the position of the first bit series in the encoding bit series. In a data decoding process: the position information is detected from the substitution range in received data after the leading code is detected in the data; a substitution bit series is extracted from the position in the encoding bit series indicated by the position information; and the data in the substitution range is substituted with the substitution bit series so as to restore the encoded data.

Abstract: In a storage controller provided for a storage system provided with a plurality of disk devices, for controlling to storage data in the plurality of disk devices, an encoding unit encodes data to be stored in the plurality of disk devices by erasure correction coding to obtain encoded data. A storage/reading unit stores the encoded data in the plurality of disk devices and fetches the encoded data from the plurality of disk devices, according to instructions from a personal computer. A transmitting unit transmits the encoded data fetched from the plurality of disk devices by the storage/reading unit to a storage system 1B connected to a storage system 1A via a network.

Abstract: A backup system is comprised of a main storage for storing original data and a plurality of local storages for distributing and storing the data. An encoding unit of the main storage server generates, after dividing the original data, a plurality of encoded data that is equal to or more than the dividing number by use of a code of which redundancy is variable. A distribution processing unit distributes the plurality of encoded data to the plurality of local storages, and causes the data to be stored therein. A restoring unit retrieves the encoded data corresponding to at least the division number of the original data from the local storages, and restores the original data. A redundancy control unit varies the redundancy in the encoding unit such that, the higher the importance of the data, the larger the redundancy. Furthermore, a distribution processing unit determines the distribution number such that the higher the reliability of the local storages, the more the number.

Abstract: A storage apparatus composed of a plurality of magnetic disk devices are provided. An encoding unit generates, after dividing original data, a plurality pieces of encoded data equal to or more than the number of division by use of a code of which redundancy is variable. A redundancy control unit varies the redundancy in the encoding unit in accordance with the importance of the original data. A distribution processing unit distributes and stores the plurality of encoded data to and in the plurality of magnetic disk devices. A decoding unit retrieves the encoded data corresponding to, at least, the division number of the original data from the magnetic disk devices so as to decode the original data.

Abstract: A data transfer device and method include obtaining a compression ratio and a compression speed of data for each of a plurality of compression levels, obtaining a compression ratio of data for each of the compression levels, adding a predicted time required for the compression and a predicted time required for the transfer of the data for each of the compression levels to determine a compression level for which the added predicted time is shortest, compressing the data to be transferred at the determined compression level and transferring the compressed to a transfer destination.

Abstract: A data transfer apparatus includes a data accumulation unit to accumulate data to be transferred, an encoding matrix storage unit to store an encoding matrix for encoding data of each of a plurality of data sizes, an encoding size determination unit to determine a block of data to be transmitted in descending order of data size based on the data sizes of the data accumulated in the encoding matrix storage unit, an encoding unit to acquire an encoding matrix corresponding to the data size of the determined block form the encoding size determination unit and encode data accumulated in the data accumulation unit for each block using the acquired encoding matrix, a packet generation unit to generate a packet by adding encoding information about the encoding matrix used for encoding the encoded data, and a transmission unit to transmit the generated packet.

Abstract: An active matrix substrate for a reflection type liquid crystal display apparatus has an image display region 10 including a plurality of pixels 1 each having a reflection electrode 4a and a switching element 2, a black display region 11 including a plurality of pixels for providing only a black display each having a reflection electrode 4b, a wiring layer 111 between the switching elements 2 and the reflection electrodes, a light shielding layer 113 between the wiring layer 111 and the layer forming the reflection electrodes, a through hole 112a between the wiring layer 111 and the light shielding layer 113 in the image display region 10 for electrically connecting the reflection electrode 4a to the switching element 2, and a through hole 112b between the wiring layer 111 and the light shielding layer 113 in the black display region 11 and electrically isolated from the switching element 2.

Abstract: A liquid crystal display apparatus includes a display area in which pixels each having a switching element and electrode are arranged forming a matrix; a first scanning circuit to control whether the switching elements are turned on or off via first wires; a second scanning circuit to control whether an image signal generating circuit is electrically connected to or disconnected from second wires, and to assign image signals to the pixels via those wires; a discharging element to discharge the assigned image signals; a detecting circuit to detect reduction in a power supply voltage and to output a detection signal; and a control circuit to perform a controlling operation according to the signal so that the image signal generating circuit is electrically disconnected from the second wires, the switching elements are turned on, and the discharging element is caused to operate.

Abstract: According to an aspect of an embodiment, a method comprises providing a matrix comprising m rows and n columns, each of the rows and columns comprising elements of zero and one, dividing data into n data blocks, associating each of the data blocks with each of the columns, calculating an exclusive-OR of selected data blocks in reference to one of the rows, the selected data blocks being determined by the element of one in the associated columns in the one of the rows, repeating the calculating in other rows and storing separately the calculated data resulting from the exclusive-OR of data blocks in association with the associated rows, respectively.

Abstract: Disclosed is a system for dividing an original data into N pieces of partial data and generating L pieces of encoded data on the basis of the N pieces of partial data wherein N is a natural number greater than 1 and L is a natural number equal to or greater than N, each of the L pieces of encoded data including a header part and a operation result part, the header part including selection data identifying a subset of the N pieces of partial data on which a predetermined operation is performed, the operation result part being generated by performing the predetermined operation on partial data included in the subset identified by the selection data, wherein the L pieces of encoded data are divided into one or more transmission data groups and each of the one or more transmission data groups is transmitted to one of one or more first communication links.