Patent application number | Description | Published |
20100054293 | Laser light source device and manufacturing method for manufacturing laser light source device - A manufacturing method for manufacturing a laser light source device, includes: providing a first laser element having a first emitter, a second laser element having a second emitter, and a reflection member; adjusting a relative angle between the first laser element and the reflection member; adjusting a relative angle of the second laser element relative to the first laser element by using the reflection member; and adjusting a relative rotation angle between the first laser element and the second laser element and a relative position between the first laser element and the second laser element, so that the light emitted from the first emitter is incident into the second emitter and so that the light emitted from the second emitter is incident into the first emitter. | 03-04-2010 |
20110043761 | PROJECTOR - A projector includes: a first solid-state light source device which includes a first solid-state light source emitting excitation light, and a fluorescent layer converting excitation light emitted from the first solid-state light source to light including a first color light component and a second color light component different from the first color light component, and emitting converted light; a second solid-state light source device which includes a second solid-state light source emitting a third color light component different from the first color light component and the second color light component; a light modulation device modulating the first color light component, the second color light component, and the third color light component in accordance with image information; and a projection optical system projecting the modulated light components from the light modulation device as a projection image. | 02-24-2011 |
20110043762 | Projector - A projector includes: a first solid-state light source device which includes a first solid-state light source emitting main excitation light, and a fluorescent layer converting main excitation light to light including a first color light component and a second color light component different from the first color light component, and emitting converted light; a second solid-state light source device which includes a second solid-state light source emitting a third color light component different from the first color light component and the second color light component; a light modulation device modulating the first color light component, the second color light component, and the third color light component in accordance with image information; a projection optical system projecting the modulated light components from the light modulation device as a projection image; and a third solid-state light source device which includes a third solid-state light source emitting auxiliary excitation light, wherein the fluorescent layer is configured such that auxiliary excitation light is input thereto in a direction different from a direction in which main excitation light is input, and the fluorescent layer is configured to convert auxiliary excitation light to light including the first color light component and the second color light component, and to emit converted light. | 02-24-2011 |
20110228232 | ILLUMINATION DEVICE AND PROJECTOR - An illumination device includes: a light source device adapted to emit an excitation light beam; and a rotating fluorescent plate having a single fluorescent layer adapted to convert a part or whole of the excitation light beam into a fluorescent light beam. The fluorescent light beam includes two or more colored light beams, and the single fluorescent layer is formed on a circular disk, which can be rotated by a motor, continuously along a circumferential direction of the circular disk. | 09-22-2011 |
20120188516 | ILLUMINATION DEVICE AND PROJECTOR - An illumination device includes a substrate including a fluorescent layer, and capable of rotating around a predetermined rotary shaft, a light source adapted to emit an excitation light adapted to excite the fluorescent layer, and a control device adapted to control emission of the light source so that, when the substrate is rotating, a first area of the fluorescent layer is irradiated with the excitation light in one round, and at least a part of the first area is not irradiated with the excitation light in another round. | 07-26-2012 |
20140152964 | ILLUMINATION DEVICE AND PROJECTOR - An illumination device includes: a light source device adapted to emit an excitation light beam; and a rotating fluorescent plate having a single fluorescent layer adapted to convert a part or whole of the excitation light beam into a fluorescent light beam. The fluorescent light beam includes two or more colored light beams, and the single fluorescent layer is formed on a circular disk, which can be rotated by a motor, continuously along a circumferential direction of the circular disk. | 06-05-2014 |
20150042961 | PROJECTOR - A projector includes a first light source apparatus, a second light source apparatus, a laser light source apparatus, a first light modulator, a second light modulator, a third light modulator that modulates light from the laser light source apparatus, a cross prism that combines first image light, second image light, and third image light formed by the respective light modulators with one another, and a secondary light source image formation system that forms a secondary light source image on an optical path between the laser light source apparatus and the third light modulator, and the secondary light source image is so shaped that the length thereof in a direction perpendicular to a central intersection line of the cross prism is longer than the length thereof in a direction parallel to the central intersection line. | 02-12-2015 |
Patent application number | Description | Published |
20080320062 | METHOD OF TRANSFERRING FILE SYSTEM, FILE SYSTEM TRANSFERENCE PROGRAM, AND FILE SYSTEM TRANSFERENCE DEVICE - It is an object of the present invention to realize the transference of a file system without moving data. A transference source file system outputs to a device driver a physical block number included in extent information. A transference driver intercepts an I/O request to the device driver, and obtains a physical block number of the I/O destination. A transference tool obtains a physical block number from the transference driver, and outputs the physical block number to the transference destination file system in order to realize the transference of a file system. | 12-25-2008 |
20090292788 | DATA TRANSFER PROCESSING APPARATUS, DATA TRANSFER PROCESSING METHOD, AND COMPUTER PRODUCT - A computer-readable recording medium stores therein a data transfer processing program that causes a computer capable of accessing plural recording devices to acquire a group of update data for a first recording device among the recording devices and calculate, based on addresses respectively assigned to each data item in the group of update data, an overlap rate of the addresses. Further, based on the overlap rate calculated at the calculating, the computer selects a data transfer scheme from among a synchronous scheme of transmitting the group of update data simultaneously to the first recording device and a second recording device, and a nonsynchronous scheme of transmitting the group of update data to the first recording device and subsequently causing the first recording device to transmit the group of update data to the second recording device; and executes the data transfer scheme selected. | 11-26-2009 |
20100115533 | Request content extraction method and apparatus - A filter object is set to combine with a driver causing a device to operate by calling entry functions from a kernel. A second function, via which the driver notifies to a first function of the kernel an entry point, a collection of memory addresses of the entry functions, and an entry point of the filter object, are defined in advance for the filter object. The filter object is caused to extract the entry point of the driver, if, upon installation of the driver, the driver is caused to call the second function defined in advance for the filter object; and to set the entry point of the filter object as an argument and call the first function of the kernel, to extract a content of a request from an application to the device, after the entry point is extracted. | 05-06-2010 |
20100131728 | COMPUTER-READABLE RECORDING MEDIUM STORING DATA MIGRATION PROGRAM, DATA MIGRATION METHOD, AND DATA MIGRATION APPARATUS - A data migration apparatus migrating data from a first storage to a second storage includes a switching unit for switching a destination of an I/O request issued by a business application from a device node of the first storage to a device node of the second storage; a copying unit for copying data stored in the first storage to the second storage; a transferring unit for transferring the I/O request to the device node of the first storage; an executing unit for executing the read or write process on the first storage; a re-copying unit for re-copying target data of the write process from the first storage to the second storage; and a stopping unit for stopping the transfer of the I/O request to the device node of the first storage. | 05-27-2010 |
20100312753 | FILE MANAGEMENT APPARATUS, METHOD, AND PROGRAM - A disclosed method includes acquiring and a forward log and extracting forward file operations applied to files in an order of applying these from the forward log, specifying generation rules for generating backward file operations with reference to the forward file operations, generating the backward file operations by the specified generation rules and recording these, and applying the forward file operations to the files not having the extracted forward file operations applied and also applying the backward file operations to the files having the forward file operations applied to recover the files not having the forward file operations applied. | 12-09-2010 |
20110161370 | APPARATUS, PROGRAM, AND METHOD FOR FILE MANAGEMENT - In a file management apparatus, upon receipt of an access request from a file access device, a device access rights determination unit determines whether to grant the file access device access to a file. In addition, a user access rights determination unit determines whether to grant the user who made the access request through the file access device, the access to the file. Then, when the device access rights determination unit and the user access rights determination unit both grant the access, a file access unit accesses the file stored in the storage device according to the access request. | 06-30-2011 |
20110282923 | FILE MANAGEMENT SYSTEM, METHOD, AND RECORDING MEDIUM OF PROGRAM - A system including computers storing files, a first computer of the computers includes a storage unit to store information about a first directory that includes identification information of a second computer that store information about a second directory or a file under the first directory, and a replying unit to reply, when a request for looking up information about the second directory or the file is received, with the identification information of the second computer stored in the storage unit. | 11-17-2011 |
20120117131 | INFORMATION PROCESSING DEVICE, FILE MANAGEMENT METHOD, AND RECORDING MEDIUM FOR FILE MANAGEMENT PROGRAM - A computer-readable, non-transitory medium storing a program causing a computer to execute a process, the computer being connected through a network to a plurality of file management devices which store a plurality of files distributed in the plurality of file management devices, the process including: extracting an identification information of a file management device by a file descriptor specified in a request for locking a file, the request being generated by an application that is activated on the computer; and transmitting the request for locking the file through an interface section to the file management device corresponding to the identification information. | 05-10-2012 |
20120166606 | DISTRIBUTED FILE OPERATION APPARATUS, DISTRIBUTED FILE OPERATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM STORING DISTRIBUTED FILE OPERATION PROGRAM - A distributed file operation method is executed by a computer that is connected to an arrangement information management apparatus and a plurality of file management apparatuses through a network. The arrangement information management apparatus is configured to manage arrangement information of files. The plurality of file management apparatuses is configured to store the files. The distributed file operation method includes generating an operating request on a first file on the basis of a first protocol, making, by the computer, an inquiry to the arrangement information management apparatus on arrangement information of the first file by specifying an identifier of the first file, and transmitting the operating request to one of the plurality of file management apparatuses indicated by the arrangement information that is provided in response to the inquiry by the arrangement information management apparatus. | 06-28-2012 |
20130159360 | INFORMATION PROCESSING APPARATUS, DATA STORAGE METHOD AND COMPUTER-READABLE RECORDING MEDIUM - An information processing apparatus includes a unit to store a partial data constituting a part of a processing target file to be stored on an object storage as a new object on an object storage, and to add object management information containing data extent information indicating a position and a size of the partial data within the processing target file, name information representing an object name of the new object and storage sequence information indicating a storage sequence of the new object to update history information on the processing target file; and a unit to read and output readout target data from the object storage on the basis of the readout target extent information and each object management information in the update history information related to the processing target file. | 06-20-2013 |
20130282952 | STORAGE SYSTEM, STORAGE MEDIUM, AND CACHE CONTROL METHOD - A storage system includes a storage that stores a file; and a plurality of access control devices that control access to the storage and include a cache memory in which the file is stored in blocks, wherein when receiving an update request of a prescribed block and latest data of the prescribed block is not stored in the cache memory of a first access control device, the first access control device among the plurality of access control devices obtains a version number added to the latest data from a second access control device, in which the latest data is stored, among the plurality of access control devices, and wherein the first access control device stores update data that updates the prescribed block in the cache memory of the first access control device and adds a new version number to the update data based on the version number. | 10-24-2013 |
20140012890 | INFORMATION PROCESSING SYSTEM AND CONTROL METHOD THEREOF - A disclosed information processing system includes plural information processing apparatuses connected with a network. One of the plural information processing apparatuses includes: a first allocation unit to identify, for each subnetwork of plural subnetworks included in the network, one information processing apparatus from among information processing apparatuses included in the subnetwork, and assign to the identified one information processing apparatus, a first Reduce processing that is a processing to summarize results of a Map processing executed for data held in the information processing apparatuses included in the subnetwork; and a second allocation unit to allocate to any one of the plural information processing apparatuses, a second Reduce processing that is a processing to summarize results of the first Reduce processing executed for each subnetwork of the plural subnetworks. | 01-09-2014 |
20140297973 | STORAGE SYSTEM AND INFORMATION PROCESSING APPARATUS - A storage system includes an information processing apparatus and plural storage nodes. A replication unit replicates plural data elements respectively stored in plural data regions of one of the plural storage nodes, and stores replicated data elements respectively in plural data regions of each of the other storage nodes. A parity generation unit generates a parity corresponding to the data elements respectively stored in the plural data regions, and stores the parity in the parity region, for each of the storage nodes. The data selection unit selects one or more data regions that hold data elements, from among the plural data regions, and releases one or more non-selected data regions, for each of the storage nodes, so as to reduce a multiplicity of the data elements respectively stored in the plural data regions of each of the plural storage nodes. | 10-02-2014 |
20150113319 | STORAGE SYSTEM - A storage system includes a plurality of data disks that store information, and a parity disk that corresponds to a disk group including some of the plurality of data disks and stores parity information generated on the basis of data of the data disks included in the corresponding disk group. Any of the data disks is included in a plurality of the disk groups. | 04-23-2015 |
20150309902 | STORAGE CONTROL DEVICE AND DATA RECOVERY METHOD - A storage control device includes a processor. The processor is configured to acquire, when a first fault has occurred in a first storage device, first storage data to be used in recovery of the first storage device from a plurality of first storage control devices. The processor is configured to derive, when a second fault has occurred in a second storage device controlled by a second storage control device, first processed data from the first storage data. The first processed data is to be used in recovery of the second storage device. The processor is configured to notify the second storage control device of the first processed data. | 10-29-2015 |
Patent application number | Description | Published |
20090167259 | DC-DC CONVERTER, DC-DC CONVERTER CONTROL METHOD, AND ELECTRONIC DEVICE - The DC-DC converter includes a control unit that controls a current stored in an inductance and an output voltage output from an output terminal electrically couplable to the inductance. The control unit assigns a first period and a second period to a given period when the output voltage is lower than a given value in response to a load electrically couplable to the output terminal. The first period is where a current is stored in the inductance in response to an input voltage and a reference voltage, and the second period is where the current stored in the inductance is supplied to the output terminal in response to the input voltage and the output voltage. | 07-02-2009 |
20090309557 | CONTROL CIRCUIT OF DC-DC CONVERTER, DC-DC CONVERTER AND CONTROL METHOD OF DC-DC CONVERTER - A DC-DC converter or the like capable of generating a stable output voltage is provided. A control circuit | 12-17-2009 |
20100079123 | OUTPUT-VOLTAGE CONTROL DEVICE, OUTPUT-VOLTAGE CONTROL METHOD, AND ELECTRONIC APPARATUS - An output-voltage control device includes a comparator which generates a comparison result after a given time passes from first timing of a first periodic signal, the comparison result being obtained by comparing a difference between an output voltage and a reference voltage with the first periodic signal, a first signal generator which generates a timing control signal which is at a first level before the given time passes from the first timing and which changes from the first level to a second level in a period in which the comparator outputs the comparison result after the given time passes, and a second signal generator which generates a control signal for controlling the output voltage in accordance with the comparison result and the timing control signal. | 04-01-2010 |
20100134084 | OUTPUT VOLTAGE CONTROLLER, ELECTRONIC DEVICE, AND OUTPUT VOLTAGE CONTROL METHOD - An output voltage controller includes a first controller which controls current supply to a inductor based on an output voltage, and a second controller which controls current supply to the inductor by controlling a period when an input end to which an input voltage is inputted, the inductor, and an output end from which the output voltage is outputted are coupled based on the input voltage. | 06-03-2010 |
20110127981 | CONTROL CIRCUIT FOR SWITCHING POWER SUPPLY UNIT, ELECTRONIC DEVICE AND METHOD FOR CONTROLLING SWITCHING POWER SUPPLY UNIT - A control circuit which switches a power supply circuit includes: a first control circuit to suspend a switching operation based on an output voltage of the switching power supply circuit; and a second control circuit to change a magnitude of a first load coupled to an output of the switching power supply circuit based on a suspension period of the switching operation, wherein the second control circuit changes the magnitude of the first load in a first suspension period based on a second load, which is updated in a second suspension period prior to the first suspension period. | 06-02-2011 |
20110175588 | CONTROL CIRCUIT AND METHOD FOR SWITCHING SUPPLY - A control circuit for a switching supply, include: a first control circuit that selects one of a first signal to switch a boost mode and a step-down mode and a second signal to control an on-period of a switch based on an input voltage, the switch provided between a terminal to which the input voltage is applied and an inductor; and a second control circuit that controls the switching supply based on an output voltage and the selected one of the first signal and the second signal. | 07-21-2011 |
20110273156 | POWER REGULATOR, CONTROL CIRCUIT, AND METHOD FOR CONTROLLING POWER REGULATOR - A power regulator includes an output terminal, which outputs an output voltage, and a converter unit including a switch circuit, which is supplied with an input voltage, and a coil, which is coupled between the switch circuit and the output terminal. A control circuit compares a feedback voltage, which is in accordance with the output voltage, and a reference voltage and controls the switch circuit in response to a switching timing that is in accordance with the comparison result. The control circuit includes a voltage adding circuit, which adds a ramp voltage to the feedback voltage or the reference voltage, and a timing adjustment circuit, which is coupled to the voltage adding circuit to delay a timing for adding the ramp voltage with the voltage adding circuit from a switching timing of the switch circuit. | 11-10-2011 |
20120081085 | POWER SUPPLY CONTROLLER, ELECTRONIC DEVICE, AND METHOD FOR CONTROLLING POWER SUPPLY - A comparator type power supply controller that controls an output voltage. The power supply controller includes a comparator that compares a feedback voltage, which corresponds to the output voltage, with a reference voltage, wherein the comparator instructs power supply when the feedback voltage decreases when the feedback voltage decreases from the reference voltage. An offset application circuit is coupled to the comparator. The offset application circuit controls an input offset voltage of the comparator and decreases the input offset voltage as time elapses when the feedback voltage becomes lower than the reference voltage after the power supply ends. An amplifier amplifies a voltage difference of the feedback voltage and the reference voltage. The offset application circuit increases a change speed of the input offset voltage as the voltage difference increases in accordance with an output voltage of the amplifier. | 04-05-2012 |
20130088207 | CONTROL CIRCUIT OF STEP-DOWN DC-DC CONVERTER, CONTROL CIRCUIT OF STEP-UP DC-DC CONVERTER AND STEP-UP/STEP-DOWN DC-DC CONVERTER - A DC-DC converter or the like capable of generating a stable output voltage is provided. A control circuit | 04-11-2013 |
20130162230 | DC-DC CONVERTER AND METHOD OF CONTROLLING DC-DC CONVERTER - A DC-DC converter includes a drive circuit configured to drive a first switching element, and a second switching element coupled between a low potential power terminal of the drive circuit and a first node corresponding to the input voltage or the output voltage. A current detecting section detects a load current flowing in the output terminal. A control circuit turns on a third switching element, which is coupled between the low potential power terminal of the drive circuit and a second node having a potential lower than both the input voltage and the output voltage, in a case where a difference between the input voltage and the output voltage is lower than a threshold. The control circuit controls the second and third switching elements based on a detection result of the current detecting section in a case where the difference is equal to or greater than the threshold. | 06-27-2013 |
20140097820 | Output Voltage Controller, Electronic Device, and Output Voltage Control Method - An output voltage controller includes a first controller which controls current supply to a inductor based on an output voltage, and a second controller which controls current supply to the inductor by controlling a period when an input end to which an input voltage is inputted, the inductor, and an output end from which the output voltage is outputted are coupled based on the input voltage. | 04-10-2014 |
20140145692 | POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING POWER SUPPLY - A power supply device includes a coil, a first switch circuit that accumulates energy in the coil, and a plurality of second switch circuits that couple the coil to a plurality of output terminals. A first control unit generates a first control signal that controls the first switch circuit to turn on and off based on a combined value of a plurality of output voltages respectively output from the plurality of output terminals and a first reference value. A second control unit generates a second control signal that controls the plurality of second switch circuits to turn on and off in a cycle that is the same as the first control signal based on a first output voltage of the plurality of output voltages and a second reference value. | 05-29-2014 |