Patent application number | Description | Published |
20090322579 | APPARATUS AND METHOD FOR A/D CONVERSION - An A/D conversion apparatus includes an A/D conversion circuit and a reference voltage generating circuit which includes a first switch circuit configured to switch between a state in which the inputs of an operational amplifier are swapped and a state in which these inputs are not swapped, and a second switch circuit configured to switch between a state in which the output voltage of the operational amplifier is output as having a normal phase and a state in which the output voltage is output as having a reversed phase. The A/D conversion circuit obtains a first digital value by setting the first and second switch circuits to a first state, and obtains a second digital value by setting the first and second switch circuits to a second state different from the first state, followed by producing a result of A/D conversion computed from the first and second digital values. | 12-31-2009 |
20120025879 | PLL CIRCUIT, METHOD FOR OPERATING PLL CIRCUIT AND SYSTEM - A PLL circuit includes: a first counter to accumulate a frequency command word in response to a reference clock signal and to generate a first counted value; a second counter to count an output clock signal and generate a second counted value; a time measuring circuit to measure an interval between a transition edge of the reference clock signal and a transition edge of the output clock signal to output a third counted value; a phase difference normalizing circuit to multiply the third counted value by a normalizing coefficient to generate a first phase difference; an operating circuit to subtract a value obtained by subtracting the first phase difference from the second counted value from the first counted value to generate a phase difference signal; and an oscillator to change a frequency of the output clock signal based on the phase difference signal. | 02-02-2012 |
20120092052 | TIME-TO-DIGITAL CONVERTER - A TDC circuit include: a first delay circuit having first inverting delay devices connected to form a loop, the first inverting delay devices outputting a inverted signal according to an input signal after a first signal delay period; a second delay circuit having second inverting delay devices connected to form a loop, the second inverting delay according to an input signal after a second signal delay period different from the first signal delay period; first flip-flop circuits that latch the logical values of third pulse signals including the first pulse signal output from the first inverting delay devices based on fourth pulse signals including the second pulse signal or pulse signals; a first counter that counts the third pulse signal; a second counter that counts the fourth pulse signal; and a detection result output circuit that stores the count from the first counter and the count from the second counter. | 04-19-2012 |
Patent application number | Description | Published |
20080216084 | MEASURE SELECTION PROGRAM, MEASURE SELECTION APPARATUS, AND MEASURE SELECTION METHOD - A combination of measures are selected to set a recovery time of a business to be equal to or shorter than a time objective when a predetermined event occurs. A dependency relationship is shown between an operation constituting the business and resources necessary to continue the operation. Scenario information holds the recovery time required for a recovery when the predetermined event occurs for each of the resources. Measure information holds measures for reducing the recovery time and effects of the respective measures for each of the resources. Paths connecting a highest node to a terminal node of the resources included in the operation element related information are extracted according to the dependency relationship; and the combination of measures are selected so that a recovery time sum of the respective resources is equal to or shorter than the time objective on all the paths extracted by the resource path extraction procedure. | 09-04-2008 |
20080275756 | Apparatus and method for analyzing business continuity, and computer product - A business continuity analyzing apparatus includes a process-information extracting unit that extracts processes included in an operation to be analyzed, from a data configuration that forms an operation flowchart representing the operation; an association editing unit that edits association between the processes extracted by the process-information extracting unit and resources previously stored in a common resource master; and a diagram generating unit that generates an influence diagram based on the association edited by the association editing unit. | 11-06-2008 |
20110260705 | DC-DC CONVERTER, METHOD FOR CONTROLLING DC-DC CONVERTER, AND ELECTRONIC DEVICE - A DC-DC converter includes a switching element to generate a pulse waveform by repeatedly admitting and cutting off the input voltage, a fluctuation component restraining circuit to restrain a fluctuation component generated in superposition on the pulse waveform and having a shorter cycle than a cycle of the pulse waveform, and a control circuit to operate the fluctuation component restraining circuit when the input voltage is equal to or larger than a reference voltage. | 10-27-2011 |
Patent application number | Description | Published |
20090002569 | Information processing apparatus, information processing system, and controlling method of information processing apparatus - There is provided an information processing apparatus in which a great number of users can use thin clients, and in which various services such as simultaneous picture distribution are realized in an integrated manner, an information processing system, and a controlling method of the information processing apparatus. The apparatus capable of executing plural OSs includes image transmitting devices having: a GPU for receiving a drawing instruction signal of a screen output from the OS and generating an image signal of a display screen; and a communicator for transmitting the image signal of the display screen to a terminal that operates as a thin client. The devices compressively code the image signal to a digital motion picture by a coding unit as necessary. Then, the devices transmit the coded signal from the communicator. The apparatus dynamically assigns the devices to the OSs corresponding to the respective terminals via VMM. | 01-01-2009 |
20100004013 | Communication method, communication system, relaying device and communication device - A communication device transmits to a relaying device a transmission right grant request for requesting a grant of a transmission right to a transmitting device, and the relaying device determines whether the received transmission right grant request is a command associated with the transmission right of the communication device or a command associated with the transmitting device, and if it determines that it is the command associated with the transmitting device, it grants the transmission right to the transmitting device, and starts broadcasting of data being transmitted from the transmitting device. In addition, when receiving from the communication device an operation command for operating the transmitting device, the relaying device determines a type of the command and transmits it to the transmitting device. | 01-07-2010 |
Patent application number | Description | Published |
20090171473 | STORAGE SYSTEM, STORAGE SYSTEM CONTROL METHOD AND STORAGE SYSTEM CONTROL APPARATUS - A storage system includes a housing, a cooling unit cooling the interior of the housing, and a plurality of control units adapted to control the cooling unit. The control units each include a mount state acquisition unit acquiring a mount state of the control unit in the housing, an operation state acquisition unit acquiring an operation state of the cooling unit, and a determining unit determining a provisional main control unit, from among the plurality of control units, that is operable to control the entire cooling unit based on information acquired from the mount state acquisition unit and the operation state acquisition unit. | 07-02-2009 |
20090198931 | INFORMATION PROCESSING APPARATUS AND DATA BACKUP METHOD - An information processing apparatus includes a battery for providing the interior of the information processing apparatus with power; a volatile memory for storing data; a nonvolatile memory for backupping the data stored in the volatile memory; a controller for controlling backup of the data in accordance with a process comprising the steps of: saving the data into the nonvolatile memory; upon recovery of the power from the external power source, writing back the data into the volatile memory; and deleting the data saved in the nonvolatile memory; wherein when the power from an external power source to the information processing apparatus is stopped during deleting data in the nonvolatile memory, the controller selectively writes back deleted data from the volatile memory into the nonvolatile memory. | 08-06-2009 |
20100318844 | BACKUP METHOD AND DISK ARRAY APPARATUS - A backup method makes a backup of cache data to a nonvolatile memory by using a controller, the cache data being stored in the volatile memory. The backup method includes writing the cache data stored in the volatility memory in a selected area of the nonvolatile memory, generating party data by operating the parity operations between each of the predetermined parts of the cache data in the volatile memory, verifying whether an error found in the part of the cache data in the nonvolatile memory can be recovered by using the parity data, and rewriting the part of the cache data when the error found in the part of the cache data in the nonvolatile memory cannot be recovered by using the parity data in an area of the nonvolatile memory different from the selected area. | 12-16-2010 |
20130283069 | STORAGE APPARATUS, CONTROL APPARATUS AND CONTROL METHOD - A storage apparatus that includes a power supply unit that supplies power to a controller when power supply from the outside to a storage apparatus stops, a surplus power determination unit that determines surplus power that is power, which is to be supplied by the power supply unit and by which power for the saving of data into a nonvolatile memory is exceeded, a target voltage determination unit that determines a first target voltage based on the surplus power, and a charging processing unit that carries out a charging process for the power supply unit with a first current value until the first target voltage reached and that carries out a charging process for the power supply unit with a second current value lower than the first current value until a second target voltage higher than the first target voltage is reached from the first target voltage. | 10-24-2013 |
20140003180 | STORAGE DEVICE, CONNECTION DEVICE, AND STORAGE CONTROL METHOD | 01-02-2014 |
20140006834 | CONTROL DEVICE, POWER SUPPLY DEVICE, AND METHOD FOR CONTROLLING POWER | 01-02-2014 |
20140032965 | MONITORING DEVICE, INFORMATION PROCESSING APPARATUS, AND MONITORING METHOD - A monitoring device includes a detection unit which is inserted between the device to be monitored and a processing apparatus performing processing for the device to be monitored and detects a failure which occurs in the device to be monitored, a notification unit generating failure information indicating a content of the failure detected by the detection unit and notifying the generated failure information and the occurrence of the failure to the processing apparatus, and an acquisition unit acquiring status information after the occurrence of the failure of the device to be monitored from the device to be monitored and storing the acquired status information in a storage unit as the failure occurs. | 01-30-2014 |
20150242266 | INFORMATION PROCESSING APPARATUS, CONTROLLER, AND METHOD FOR COLLECTING LOG DATA - A controller includes: a monitor that monitors an occurrence of a failure in a processor; an information obtainer that obtains, when the monitor detects the occurrence of the failure, log data from the device; and a first storing processor that stores the log data obtained by the information obtainer into a first storing device. | 08-27-2015 |
Patent application number | Description | Published |
20090067086 | STORAGE DEVICE - A storage device includes plural recording media, a housing configured to accommodate the plural recording media, a plate that is fixed and extends round between two adjacent recording media in the housing, plural sliders each of which is mounted with a magnetic head that is configured to record information in or reproduce the information from a corresponding one of the plural recording media, and plural arms, each of which is mounted with one of the plural sliders only on a single surface, and configured to move the one of the plural sliders. | 03-12-2009 |
20090290258 | STORAGE DEVICE EQUIPPED WITH RAMP MECHANISM - In a load/unload type disk drive, when a head for reading/writing information on a disk is retracted outside the disk by a swing arm at the time of stopping the operation of the disk drive, a ramp mechanism holds a lift tab provided at the tip of the swing arm, wherein the ramp mechanism comprises a holding member for holding the lift tab and a mounting member for mounting the holding member thereon, the mounting member having a guide capable of adjusting the mounting position. The holding member mounted on the mounting member is tentatively fastened thereto, with provisions made to be able to adjust the position of the thus mounted holding member by moving it along the guide in a direction conforming to the rotational path of the holding member. | 11-26-2009 |
Patent application number | Description | Published |
20090310500 | DELAY TIME MEASURING APPARATUS, COMPUTER READABLE RECORD MEDIUM ON WHICH DELAY TIME MEASURING PROGRAM IS RECORDED, AND DELAY TIME MEASURING METHOD - In a delay time measuring apparatus a sequence number, data length, and receiving time of a data packet transmitted from a source unit to a destination unit are stored in a storage section. In addition, an ACK number and receiving time of an ACK packet returned from the destination unit to the source unit are stored in the storage section. After that, a calculation section obtains an ACK packet an ACK number of which is equal to a value obtained by adding data length of a second data packet of two successive data packets transmitted without waiting for the ACK packet to a sequence number of the second data packet of the two successive data packets from the storage section. Then the calculation section calculates round trip time from receiving time of the second data packet of the two successive data packets and receiving time of the ACK packet obtained. | 12-17-2009 |
20110184991 | INFORMATION MANAGING COMPUTER PRODUCT, APPARATUS, AND METHOD - A computer-readable non-transitory recording medium storing therein an information managing program causing a computer to execute extracting from among events that have occurred at objects under management and having dependence relations, combinations of a first event that has occurred at a source-of-dependence object and a second event that has occurred at a dependent object dependent on the source-of-dependence object; judging for each extracted combination, whether a dependence relation exists between the first event and the second event, by using the difference between the time of occurrence of the first event and that of the second event; determining from among the events and based on a judgment result obtained at the judging, an event that has occurred at an object that is a source-of-dependence object but not a dependent object, to be an event to be stored; and storing to a database, information related to the event to be stored. | 07-28-2011 |
20120159519 | EVENT DEPENDENCY MANAGEMENT APPARATUS AND EVENT DEPENDENCY MANAGEMENT METHOD - An event dependency management apparatus manages a first managed object at which a first event may occur, a second managed object at which a second event may occur in dependence upon the first event, and a third managed object at which a third event may occur in dependence upon the second event. The event dependency management apparatus includes a processor to calculate a difference between an occurrence time of the first event and an occurrence time of the third event, and determine that the third event has occurred in dependence upon the first event when the calculated difference is smaller than a predetermined time. | 06-21-2012 |