Patent application number | Description | Published |
20110119248 | TOPIC IDENTIFICATION SYSTEM, TOPIC IDENTIFICATION DEVICE, CLIENT TERMINAL, PROGRAM, TOPIC IDENTIFICATION METHOD, AND INFORMATION PROCESSING METHOD - There is provided a network device including a topic identification device including a collecting unit for collecting location information of Web data related to a target topic arranged on a network, a storage unit for storing identical topic identifying information in association with one or more than two pieces of location information related to an identical target topic, which have been collected by the collecting unit, and an topic identification unit for obtaining link information contained in certain Web data, for searching location information from the storage unit using the link information, and for identifying topic identifying information associated with the searched location information. | 05-19-2011 |
20110135152 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing apparatus includes: a detection unit detecting the faces of persons from frames of moving-image contents; a first specifying unit specifying the persons corresponding to the detected faces by extracting feature amounts of the detected faces and verifying the extracted feature amounts in a first database in which the feature amounts of the faces are registered in correspondence with person identifying information; a voice analysis unit analyzing the voices acquired when the faces of the persons are detected from the frames of the moving-image contents and generating voice information; and a second specifying unit specifying the persons corresponding to the detected faces by verifying the voice information corresponding to the face of a person which is not specified by the first specifying unit in a second database in which the voice information is registered in correspondence with the person identifying information. | 06-09-2011 |
20110150339 | APPARATUS, METHOD, AND PROGRAM FOR IMAGE PROCESSING - An image processing apparatus includes a face image detector detecting a face image from an image, a reference mask generator generating a reference mask based on the arrangement of parts included in the face image detected by the face image detector, a face color area detector detecting a face color area from the image, and a face image searcher searching for the face image using the reference mask in the face area detected by the face color area detector. | 06-23-2011 |
20110222782 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - There is provided an information processing apparatus including: a characteristic amount extracting unit extracting a plurality of characteristic amounts, which are information expressing characteristics of a video, from the video; a labeling unit associating the extracted characteristic amounts with a person or a background; a matching degree judging unit judging a degree of matching between the associated characteristic amounts and the characteristic amounts of at least one other video; a comparing unit comparing the plurality of characteristic amounts of one scene in the video from which the characteristic amounts have been extracted and the plurality of characteristic amounts of one scene in the at least one other video; and a relationship inferring unit inferring a relationship between the one scene in the video and the one scene in the at least one other video based on a comparison result of the comparing unit. | 09-15-2011 |
20110274406 | INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, SCENE METADATA EXTRACTION DEVICE, LOSS RECOVERY INFORMATION GENERATION DEVICE, AND PROGRAMS - An information processing method includes the steps of analyzing moving-image content including image data and audio data, extracting scene metadata characterizing each scene for each scene constituting the moving-image content, deciding a reproduction mode of the moving-image content according to at least one of a reproduction environment of the moving-image content and setting information set by a user, generating loss recovery information for recovering loss information lost by changing the reproduction mode of the moving-image content using the scene metadata according to the decided reproduction mode, and outputting the generated loss recovery information in accordance with the moving-image content to be reproduced in the decided reproduction mode. | 11-10-2011 |
20110305432 | INFORMATION PROCESSING APPARATUS, SAMENESS DETERMINATION SYSTEM, SAMENESS DETERMINATION METHOD, AND COMPUTER PROGRAM - There is provided an information processing apparatus which includes a subtitle processing unit for extracting a subtitle feature quantity representing a feature of a content from subtitle information included in the content, a subtitle feature quantity accumulation unit for associating and storing identification information capable of identifying the content and the subtitle feature quantity extracted from the content by the subtitle processing unit, a subtitle feature quantity collation unit for collating the subtitle feature quantity stored in the subtitle feature quantity accumulation unit and a subtitle feature quantity to be determined, thereby determining sameness between the content corresponding to the subtitle feature quantity stored in the subtitle feature quantity accumulation unit and a content corresponding to the subtitle feature quantity to be determined, and a collation result output unit for outputting a collation result of the subtitle feature quantity collation unit. | 12-15-2011 |
20120254356 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - There is provided an information processing apparatus including a reception section which receives unique identification information which is identification information uniquely assigned to a first communication device, and user information regarding a user using the first communication device, from the first communication device, and a client information providing section which transmits client information in which the unique identification information and the user information received by the reception section are associated with each other, to a second communication device. | 10-04-2012 |
20120280827 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - There is provided an information processing apparatus including a control section which performs control of selecting, based on a state of a user, an ecological action capable of being carried out by the user from among a plurality of ecological actions, and of presenting the selected ecological action to the user. | 11-08-2012 |
20120306882 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - There is provided an information processing apparatus including a control section which performs control of presenting, in association with each other, actual energy consumption representing an amount of energy consumed by a device in a case where a user performs any one of user actions, the user actions each being capable of being carried out by the user, and estimated energy consumption representing an amount of energy consumed by the device in a case where the user does not perform the user action. | 12-06-2012 |
Patent application number | Description | Published |
20120007782 | ANTENNA APPARATUS AND A WIRELESS COMMUNICATION APPARATUS - An antenna apparatus comprises a ground board; a feeding portion for supplying electric power to the antenna apparatus, disposed on said ground board; a first line element having one end connected to said ground board, wherein a length from said feeding portion to an other end thereof is ΒΌ wave of resonance frequency; and a second line element having one end connected to said first line element, disposed along said first line element from the other end of said first line element, wherein a length from said feeding portion to an other end thereof is not k/12 (k is integer) wave of resonance frequency. | 01-12-2012 |
20120161544 | WIRELESS POWER TRANSMISSION DEVICE AND POWER RECEIVING DEVICE - A wireless power transmission device that supplies power to a power receiving device including a second self-resonant coil having a winding structure in which a conductive wire is wound one turn or more perpendicularly to a second central axis, the wireless power transmission device comprising: a first self-resonant coil having the winding structure in which the conductive wire is wound one turn or more perpendicularly to a first central axis to supply the power to the second self-resonant coil that is not located on the first central axis; and a third self-resonant coil having the winding structure in which the conductive wire is wound one turn or more perpendicularly to a third central axis that is not perpendicular to the first central axis and arranged on the first central axis. | 06-28-2012 |
20130002511 | ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS - An antenna device of an embodiment includes: an antenna having a feeding point and an end portion apart from the feeding point, the end portion being an open end; a variable impedance matching circuit connected to the antenna at the feeding point; a probe placed in such a position that the distance from the end portion to a tip of the probe is equal to or shorter than one eighth of the wavelength corresponding to the maximum radio frequency used in the antenna device; and a controller that is connected to the probe, and controls the variable impedance matching circuit, based on an electrical signal measured with the probe. | 01-03-2013 |
20130249769 | ANTENNA DEVICE - There is provided an antenna device including: a finite ground plane; a feeding point; feed antenna elements arranged in a radial fashion around the feeding point at a height from the finite ground plane; a selector switch to connect a first end of a feed antenna element selected from the feed antenna elements to the feeding point; and parasitic elements arranged correspondingly to the feed antenna elements, in which a first end thereof is connected to the finite ground plane and a portion including a second end thereof is capacitively coupled with the feed antenna element corresponding thereto, wherein a first length of the parasitic element is approximately a quarter of a wavelength of a radio frequency to be used, and a length from the second end of the feed antenna element to the feeding point is shorter than the first length of the parasitic element. | 09-26-2013 |
Patent application number | Description | Published |
20090321388 | Imprint stamper, manufacturing method of imprint stamper, magnetic recording medium, manufacturing method of magnetic recording medium and magnetic disk apparatus - An imprint stamper for manufacturing a magnetic recording medium with a plurality of recording bits includes a plurality of first concave portions to form the recording bits, a wall portion provided so as to separate the first concave portions from each other, and a second concave portion provided to the wall portion so as to connect one of the first concave portions and the other of the first concave portions adjacent to one of the first concave portions. | 12-31-2009 |
20120194937 | MAGNETIC RECORDING APPARATUS AND RECORDING METHOD OF MAGNETIC RECORDING APPARATUS - According to one embodiment, a magnetic recording apparatus configured to record information onto a magnetic recording medium by a shingled write recording method, the magnetic recording apparatus includes: a recording head configured to cover a plurality of dot arrays and an end portion of which is situated at one dot array of a recording target; an actuator configured to move the recording head by one array after the recording to one dot array by the recording head; and a controller configured to perform recording compensation of the magnetic dot based on prestored recording data of a peripheral dot of a magnetic dot when input user data is recorded to the magnetic dot. | 08-02-2012 |
20120307403 | MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS - According to one embodiment, a magnetic recording medium includes: a data area on which a plurality of first magnetic dots are arranged at predetermined positions to record information; a servo area on which a plurality of second magnetic dots for specifying the positions of said plurality of first magnetic dots are arranged at predetermined positions; and servo frames configured so that a frequency of said servo frames is 2 N per circumference of said medium having a radius, that said servo frames are radially discontinuous, and that said servo frame and a space-area, on which no servo frames exist, are alternately radially arranged at a cycle W. | 12-06-2012 |
20130182349 | INFORMATION RECORDING APPARATUS AND INFORMATION WRITING METHOD - According to one embodiment, there is provided an information recording apparatus that writes information onto a magnetic recording medium including a plurality of fine magnetic grains. The information recording apparatus includes a random number generation unit, a modulation unit, and a processing unit. The random number generation unit generates a random number bit value. The modulation unit modulates a period of a basic clock according to the random number bit value generated, and generates a modulated clock. The processing unit writes or reads information with respect to the magnetic recording medium in synchronization with the modulated clock generated. | 07-18-2013 |
Patent application number | Description | Published |
20110012438 | ELECTRET AND ELECTROSTATIC INDUCTION CONVERSION DEVICE - To provide an electret having a high surface charge density, and an electrostatic induction conversion device comprising such an electret. | 01-20-2011 |
20110031845 | ELECTRET AND ELECTROSTATIC INDUCTION CONVERSION DEVICE - To provide an electret having a high surface voltage, and an electrostatic induction conversion device comprising such an electret. | 02-10-2011 |
20110105686 | Electret and electrostatic induction conversion device - To provide an electret excellent in thermal stability of electric charge, and an electrostatic induction conversion device comprising such an electret. | 05-05-2011 |
20110166299 | ELECTRET AND ELECTROSTATIC INDUCTION CONVERSION DEVICE - To provide an electret having high stability with time and thermal stability of retained electric charge and having excellent charge retention performance, and an electrostatic induction conversion device comprising such an electret. | 07-07-2011 |
20110263785 | PROCESS FOR PRODUCING ELECTRET, AND ELECTROSTATIC INDUCTION CONVERSION DEVICE - To provide a process for producing an electret which has high stability with time and thermal stability of retained electric charge and which has excellent charge retention performance, and an electrostatic induction conversion device comprising such an electret. | 10-27-2011 |
20110263788 | PROCESS FOR PRODUCING ELECTRET, AND ELECTROSTATIC INDUCTION CONVERSION DEVICE - To provide a process for producing an electret which has high stability with time and thermal stability of retained electric charge and which has excellent charge retention performance, and an electrostatic induction conversion device comprising such an electret. | 10-27-2011 |
20130261248 | CHARGE RETENTION MEDIUM - To provide a charge retention medium having a surface potential at a practical level, although it is obtained from a composition containing a fluorinated copolymer having repeating units based on tetrafluoroethylene and repeating units based on ethylene. | 10-03-2013 |
20140132111 | ELECTRET AND PROCESS FOR ITS PRODUCTION, AND ELECTROSTATIC INDUCTION-TYPE CONVERSION DEVICE - An electret having an electric charge injected to a laminate having a resin layer (A) and a resin layer (B) laminated directly on the resin layer (A), wherein the resin layer (A) contains a reaction product of a fluorinated polymer with a silane coupling agent, the resin layer (B) does not contain a reaction product of a fluorinated polymer with a silane coupling agent and contains a fluorinated polymer, the resin layer (B) is disposed as the outermost layer so as to be in contact with air, and the total thickness of the resin layer (B) is from 5 to 55% of the total thickness of the resin layer (A); and an electrostatic induction-type conversion device provided with the electret. | 05-15-2014 |
Patent application number | Description | Published |
20130259069 | FIBER LASER APPARATUS AND METHOD OF DETECTING FAILURE OF FIBER LASER APPARATUS - A fiber laser apparatus in which pump light is introduced into an optical fiber to generate laser light includes a detecting section that detects signal light leaking out from a core of the optical fiber as leakage signal light, a determining section that determines that, in a case where there is a decrease in an intensity of the leakage signal light detected in the detecting section, a failure of the fiber has occurred, and a stopping section that stops, in a case where the determining section has determined that a failure of the fiber has occurred, the introduction of the pump light into the optical fiber. The detecting section detects the leakage signal light leaking out of a High Reflectivity FBG that is provided on a side opposite to an output side of the laser light. | 10-03-2013 |
20130299474 | Fiber Laser Apparatus and Method of Aligning Laser Light Irradiation Position - A fiber laser apparatus that generates invisible laser light using an amplification optical fiber having a single-mode core and outputs the invisible laser light via an output optical fiber is provided. The fiber laser apparatus includes a visible laser light source that generates visible laser light, an introducing section that introduces the visible laser light generated by the visible laser light source into a core of one of the amplification optical fiber and the output optical fiber, and a drive unit that drives, in a case of performing alignment of an irradiation position of the invisible laser light with respect to a workpiece, the visible laser light source and emits the visible laser light via the core of the output optical fiber. | 11-14-2013 |
20150214692 | OPTICAL FlBER LASER EQUIPMENT - An optical fiber laser device includes optical reflectors making an invisible laser light from an amplification optical fiber; a light source outputting a visible light; an introduction unit outputting the laser light input to a first input terminal from a first output terminal mainly, outputting the visible light input to a second input terminal from the first output terminal mainly, inputting the visible light output by the light source connected to the second input terminal and introducing the visible light to the amplification optical fiber or a output optical fiber via the first output terminal; an optical multiplexer/demultiplexer outputting the visible light to the introduction unit, and outputting a leaking return light input from a side of the introduction unit; and a controller outputting the visible light from the output optical fiber in a case of determining a position at which the laser light will be irradiated. | 07-30-2015 |
Patent application number | Description | Published |
20100116140 | EXHAUST GAS CLEANING APPARATUS - An exhaust gas cleaning apparatus according to the present invention includes a wall member configured to form a gas passage for allowing an exhaust gas to pass therethrough, and a mist nozzle and a water film nozzle disposed in the gas passage. The mist nozzle forms mist in the gas passage and the water film nozzle forms water film in the gas passage. The mist nozzle is disposed further upstream side in a flowing direction of the exhaust gas than the water film nozzle. Plural sets of the mist nozzle and the water film nozzle may be provided. | 05-13-2010 |
20140219843 | TUBING PUMP - A configuration of a tubing pump capable of improving flow rate accuracy which is required, particularly, in infusion pumps for medical use is developed. In a tubing pump that delivers a liquid in a tube which is separately loaded, a pump mechanism includes a valve mechanism unit that occludes and releases occlusion to the loaded tube and a tube pressing mechanism unit that repeatedly presses the tube, and the tube squeezing mechanism unit includes a pump block which has its movement guided by at least two guide shafts. | 08-07-2014 |
20150275887 | TUBING PUMP - PROBLEM: To improve opening and closing operability of a door. | 10-01-2015 |
20150285404 | TUBE CLAMP STRUCTURE OF TUBING PUMP - PROBLEM: To reduce occurrence of an error of not closing a tube and to simplify a structure and an operation procedure. | 10-08-2015 |
Patent application number | Description | Published |
20090250163 | Process for Production of Resin Composite Molded Article - The present invention relates to a process for producing a resin composite molded article comprising bonding a molded article (A) of a resin A which contains a polymer containing an alicyclic structure and a molded article (B) of a resin B to produce a resin composite molded article, the bonding including a step 1 of applying at least one activation treatment selected from plasma application, excimer ultraviolet irradiation, and corona discharge to the bonding surface of the molded article (A), followed by a treatment with a silane coupling agent (A), a step 2 of applying at least one activation treatment selected from plasma application, excimer ultraviolet irradiation, and corona discharge to the bonding surface of the molded article (B), and a step 3 of superposing the bonding surface of the molded article (A) on the bonding surface of the molded article (B), and press-bonding the bonding surfaces. According to the present invention, a resin composite molded article having excellent peeling resistance can be produced by bonding the molded article of the resin A which contains a polymer containing an alicyclic structure and the molded article of the resin B at a temperature below the glass transition temperature of the resins without using an adhesive. | 10-08-2009 |
20120326599 | ELECTROLUMINESCENT ELEMENT, LIGHTING EQUIPMENT, AND DISPLAY DEVICE - There is a huge demand for increase in the luminance of electroluminescent elements and decrease in the electric power consumption. An objective of the present invention is to provide such an electroluminescent element as to satisfy the demand, as well as lightening equipment and display devices with high performance by utilizing the element. Provided is an electroluminescent element comprising a transparent substrate, and a first electrode layer, a light-emitting layer, and a second electrode layer, which layers are layered on the substrate in this order, wherein a surface of the transparent substrate on the side of the first electrode layer has a light-directional structure. A lightening device and a display device including this electroluminescent element are also provided. | 12-27-2012 |
Patent application number | Description | Published |
20100321516 | DIGITAL CAMERA APPARATUS AND RECORDING MEDIUM FOR RECORDING COMPUTER PROGRAM FOR SUCH APPARATUS - In a digital camera apparatus, drive mode of CCD is set to AF mode in AF controlling operation (at step S | 12-23-2010 |
20100321549 | AMPLIFIER CONTROL DEVICE AND RECORDING NON-TRANSITORY MEDIUM - An amplifier control device controls an amplifier which amplifies a first signal supplied from an image-pickup element, and supplies a second signal acquired by amplification of the first signal to a signal processing unit which is a following stage. The amplifier control device comprises a control unit which changes a current supplied to the amplifier depending on whether or not the first signal supplied to the amplifier is used for image data. | 12-23-2010 |
20100321550 | VIDEO SIGNAL PROCESSING CIRCUIT, IMAGING DEVICE AND VIDEO SIGNAL PROCESSING METHOD - A digital still camera includes an amplification circuit, a timing generator, sample hold circuits, a differential amplifier, an analog/digital conversion circuit and a control unit. The generator generates a first-pulse signal and a second-pulse signal at different timings. The circuits sample analog video signals outputted from the amplification circuit at timings when the first-pulse signal and second-pulse signal, respectively, are provided and hold levels of the analog video signals. The amplifier acquires a difference between the levels of the analog video signals. The circuit obtains a digital video signal corresponding to the analog video signal on the basis of the difference. The unit changes the timings to provide the first- and second-pulse signals to the first- and second-sample hold circuits, respectively, and a bias current depending on the driving period. | 12-23-2010 |
20110063475 | IMAGE PICK-UP APPARATUS AND RECORDING MEDIUM STORING COMPUTER PROGRAM OF THE APPARATUS - The digital still camera | 03-17-2011 |
20130070128 | IMAGE PROCESSING DEVICE THAT PERFORMS IMAGE PROCESSING - A digital camera ( | 03-21-2013 |
20130242121 | IMAGE COMPOSING APPARATUS FOR CONTINUOUSLY SHOOTING PLURAL IMAGES AND COMBINING THE PLURAL IMAGES - An image obtaining unit continuously obtains plural images each showing a moving subject and motionless subject. Dark current noise is removed from the plural images. Image portions of the moving subject are extracted from the plural images with noise removed, which image portions occupy different positions in the plural images, respectively. Image portions of the motionless subject are extracted from the plural images with noised removed, which image portions occupy the fixed positions in the plural images, respectively. The extracted image portions of the moving subject are moved in the plural images with noise removed based on the corresponding positions in the respective images. The moved image portions of the moving subject are combined with the mage portions of the motionless subject held at the fixed positions in the plural images with noise removed, whereby a shooting image is composed. | 09-19-2013 |
Patent application number | Description | Published |
20120128541 | COMBUSTION-TYPE EXHAUST GAS TREATMENT APPARATUS - The present invention relates to a combustion-type exhaust gas treatment apparatus which can be operated continuously over a prolonged period of time by operating a scraper ( | 05-24-2012 |
20140290919 | VACUUM PUMP WITH ABATEMENT FUNCTION - A vacuum pump has an abatement part for treating an exhaust gas discharged from a chamber of a manufacturing apparatus to make the exhaust gas harmless. The vacuum pump includes a heat exchanger configured to heat an inert gas by using heat generated when the exhaust gas is treated to be made harmless in the abatement part. The inert gas heated by the heat exchanger is introduced into the vacuum pump. | 10-02-2014 |
20140295362 | VACUUM PUMP WITH ABATEMENT FUNCTION - A vacuum pump includes a vacuum pump having a discharge port to which an abatement part for treating an exhaust gas discharged from the vacuum pump to make the exhaust gas harmless is attached. The vacuum pump includes a cylindrical member having an exhaust gas introduction port for introducing the exhaust gas to be treated and a gas outlet port for discharging gases which have been treated, a plurality of fuel nozzles provided at a circumferential wall of the cylindrical member for ejecting a fuel, and a plurality of air nozzles provided at the circumferential wall of the cylindrical member for ejecting air so as to form a swirling flow of air along an inner circumferential surface of the circumferential wall. The air nozzles are disposed at a plurality of stages spaced in an axial direction of the cylindrical member. | 10-02-2014 |
20140348717 | VACUUM PUMP WITH ABATEMENT FUNCTION - A vacuum pump with abatement function is used for evacuating a chamber of a manufacturing apparatus. The vacuum pump with abatement function includes a vacuum pump having a discharge port to which at least one abatement part for treating an exhaust gas discharged from the vacuum pump to make the exhaust gas harmless is attached. The abatement part is selected from a plurality of abatement parts having different treatment types of exhaust gas and/or different treatment amounts of exhaust gas and/or different treatment performances of exhaust gas. | 11-27-2014 |
20140352820 | VACUUM PUMP WITH ABATEMENT FUNCTION - A vacuum pump with abatement function is used for evacuating a chamber of a manufacturing apparatus. The vacuum pump with abatement function includes a vacuum pump having a discharge port to which one or more abatement parts for treating an exhaust gas discharged from the vacuum pump to make the exhaust gas harmless are attached. The one or more abatement parts are selected, depending on the amount and kind of the exhaust gas discharged from the vacuum pump, from plural kinds of abatement parts which have different treatment types of exhaust gas and/or different treatment amounts of exhaust gas. | 12-04-2014 |
Patent application number | Description | Published |
20080222222 | INFORMATION RECORDING APPARATUS AND INFORMATION RECORDING METHOD - An information recording apparatus recording contents on a recording medium and managing the contents by using a content management file includes a control unit that checks a recording state of the recording medium loaded in the information recording apparatus to determine how to set up the content management file to be recorded on the recording medium and recording means for recording the content management file on the recording medium. The control unit determines the file setup of the content management file on the basis of the recording capacity of an area where the contents can be recorded on the recording medium. The recording means records the content management file in accordance with the file setup on the recording medium. | 09-11-2008 |
20080260255 | Image processing apparatus, imaging apparatus, image processing method, and computer program - Disclosed herein is an image processing apparatus, including a representative face extraction unit configured to detect face images in an image frame that forms part of video image data, and select, from the detected face images, a face image to be used as index information. The representative face extraction unit is configured to calculate a score of each of the face images detected in the image frame based on characteristics of the face image, and select a detected face image whose score is high as an index-use face image. | 10-23-2008 |
20100074601 | File reproduction apparatus, file reproduction method, file reproduction method program and recording medium for recording file reproduction method program - The present invention is applied to reproduction of typically a fragment movie file having a QT format. In accordance with the present invention, management information associated with each block following a first block of the fragment movie file is modified to information compatible with management information associated with the first block and real data of the file is reproduced on the basis of the modified management information. | 03-25-2010 |
20110096194 | Recording apparatus, recording method, program and computer-readable recording medium - [Problem] To easily determine the matching/mismatching between the content and index files recorded on a recording medium when turning on power. | 04-28-2011 |
20120102076 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing apparatus includes a basic file manager that manages files stored on a storage medium using basic file management information stored on the medium; a specific file manager that manages a file of a specific type, among the managed files, using specific file management information stored on the medium as one of the files managed by the basic file manager; a reference-information manager that stores reference information relating to the specific file management information, the reference information having meanings corresponding to predetermined information items provided for each of the files and included in the basic file management information, and that updates the reference information in accordance with updating of the specific file management information; and a validity checker to check validity of the specific file management information by comparing the stored reference information with the information items having corresponding meanings in the basic file management information. | 04-26-2012 |
Patent application number | Description | Published |
20110082843 | DATABASE SYSTEM, METHOD OF MANAGING DATABASE, DATABASE STRUCTURE, AND COMPUTER PROGRAM - The database system includes: a storage unit that stores a database including an entity data group and a plurality of identifier tables having only a plurality of fixed-length data; and a data processing unit that receives a query and performs data processing on the database on the basis of the received query. Each of the identifier tables includes at least one tuple that is defined in a row direction and at least one attribute field that is defined in a column direction and includes a plurality of data identifiers uniquely indicating the plurality of entity data as the fixed-length data. The database includes a link table that connects the tuples between the identifier tables, in addition to the plurality of identifier tables. The data processing unit performs the data processing using the link table and the identifier tables. | 04-07-2011 |
20110087697 | DATABASE SYSTEM, METHOD OF MANAGING DATABASE, DATABASE,STRUCTURE, AND COMPUTER PROGRAM - Disclosed is a database system capable of effectively updating data in a database at a high speed. The database system includes: a storage unit that stores a database including an entity data group and at least one identifier table having only a plurality of fixed-length data; and a data processing unit that receives a query and performs data processing on the database on the basis of the received query. The identifier table has a plurality of data identifiers that uniquely indicates the plurality of entity data as the fixed-length data. | 04-14-2011 |
20110238708 | DATABASE MANAGEMENT METHOD, A DATABASE MANAGEMENT SYSTEM AND A PROGRAM THEREOF - A database management method and a database management system are provided. A management server generates data which is described in the same data format as the data stored in a database and adds the generated data in the database. The data format includes a column for inputting information indicating whether or not the data is sorted. | 09-29-2011 |
20110289112 | DATABASE SYSTEM, DATABASE MANAGEMENT METHOD, DATABASE STRUCTURE, AND STORAGE MEDIUM - Provided is a database system capable of efficiently and rapidly updating data in a database. The database system has a data processing unit that performs, to the database, data processing base on a query. The database includes an identifier table storing data identifiers each having a fixed length and uniquely representing entity data themselves and a conversion table. The conversion table shows a correspondent relationship between the data identifiers and position data each indicating a position of a storage area of the entity data. The conversion table has a metadata area Fidx, and the metadata area Fidx stores a tuple identifier uniquely designating a tuple that stores each of the data identifiers in the identifier table. | 11-24-2011 |
20110307470 | DISTRIBUTED DATABASE MANAGEMENT SYSTEM AND DISTRIBUTED DATABASE MANAGEMENT METHOD - Provided is a non-shared type database system capable of efficiently manipulating data in a distributed database. A distributed database management system has a query receiving unit (load balancer) that receives a query; and, plural storage processing units that manipulate data in the distributed database in a cooperative manner on the basis of the received query. Each of the storage processing units includes: a storage device that stores one of partial databases constituting the distributed database; and, a data manipulation unit that manipulates data in the partial databases stored in the storage device on the basis of the received query. | 12-15-2011 |
20120246128 | DATABASE PROCESSING DEVICE, DATABASE PROCESSING METHOD, AND RECORDING MEDIUM - The database system of the present invention decides a fragment length responding to a unit of a data process of a parallel arithmetic unit, and stores tuple data containing variable-length data into a fragment and metadata of the fragment into a fragment header, respectively, in a column store database. The database system refers to the metadata when executing a process for data stored in the column store database, decides the fragments to be assigned to each thread that is executed by the parallel arithmetic unit, assigns the fragments to each thread based upon the decided content, and causes each thread to execute a parallel arithmetic operation. | 09-27-2012 |
20130254242 | DATABASE PROCESSING DEVICE, DATABASE PROCESSING METHOD, AND RECORDING MEDIUM - The database processing device includes: a column store database including a storage into which tuple data is stored in a unit of a column and a management structuring section into which first information indicative of a valid data range and second information including identification information of data that is already invalid are stored in terms of the storage; and a database processing section that, when performing a process of inserting data for the column store database, additionally affixes the data to an end of the storage to update the first information of the management structuring section, and when performing a process of deleting data for the column store database, additionally affixes identification information of deletion-target data to the second information of the management structuring section. | 09-26-2013 |
20150269253 | INFORMATION PROCESSING DEVICE - This information processing device is provided with: data management means in which table-formatted data, with rows in which one group of tuple data units comprising a plurality of attribute data units are positioned and columns in which attributes are positioned, is stored so that the tuple data is collectively stored in a storage device by attribute data; and data processing means which executes predetermined processing with respect to a database. The data management means stores each attribute data unit that configures a tuple data unit in the order in which the tuple data units are positioned in the table format, in a plurality of chunks having storage areas of a predetermined capacity set for each of the attribute data units. Furthermore, the data management means acquires, for each attribute, deletion data information representing information specifying the table format order of the tuple data units that have attribute data units that have been deleted by the data processing means from the chunks that have been set for each attribute, and frees the chunks on the basis of the deletion data information. | 09-24-2015 |