Patent application number | Description | Published |
20090204380 | Performance evaluation simulation - A performance evaluation simulation apparatus divides a process into basic process units based on an execution log, calculates a throughput of each basic process unit from information held in the execution log, changes an arrangement structure so that a basic process unit with the calculated throughput exceeding a predetermined threshold is disposed in a hardware model, and performs a performance evaluation simulation on the hardware model and a software model to generate statistical information on which performance evaluation is based. | 08-13-2009 |
20090313001 | SIMULATION APPARATUS, SIMULATION METHOD AND COMPUTER-READABLE RECORDING MEDIUM ON OR IN WHICH SIMULATION PROGRAM IS RECORDED - The present invention relates to a technique for executing performance evaluation simulation of a system to be implemented by software or hardware. A simulation apparatus includes a first acquisition section for executing existing tentative software to acquire a first execution log, a division section for dividing the first execution log into a plurality of basic processing units, a basic processing execution log production section for modifying some of the plural basic processing units to produce a basic processing execution log to be used for simulation, and a simulation execution section for inputting the basic processing execution log to a hardware model to execute the simulation to acquire information required for the performance evaluation. | 12-17-2009 |
20100204975 | Simulation method, electronic apparatus design method, and simulation apparatus - A simulation method includes obtaining an execution log generated while a predetermined processing is executed by simulating a series of operations in a test model that is a modeled version of a test target device by causing a predetermined processing to be executed in the test model, extracting a processing unit log constituted by a predetermined processing unit from the execution log obtained in the obtaining, and simulating an operation in which processing corresponding to the processing unit log extracted in the extracting is executed in a test model in which a part of function of the test target device is modified, the operation being simulated on the basis of a setting condition set by a user. | 08-12-2010 |
20100329697 | DIGITAL COHERENT RECEIVING APPARATUS - A digital coherent receiving apparatus includes a first oscillator for outputting a local light signal of a fixed frequency, a hybrid unit mixing the local light signal with a light signal received by a receiver, a second oscillator for outputting a sampling signal of a sampling frequency, a converter for converting the mixed light signal into digital signal synchronizing with the sampling signal, a waveform adjuster for adjusting a waveform distortion of the converted digital signal, a phase adjustor for adjusting a phase of the digital signal adjusted by the waveform adjustor, a demodulator for demodulating the digital signal adjusted by the phase adjuster, and a phase detector for detecting a phase of the digital signal adjusted by the phase adjuster, and a control signal output unit for outputting a frequency control signal on the basis of the detected phase signal to the second oscillator. | 12-30-2010 |
20110061033 | REDUNDANT LOGIC CIRCUIT DETECTION METHOD AND DEVICE AND COMPUTER-READABLE RECORDING MEDIUM - A redundant logic circuit detection method includes storing unit-logic-circuit information, waveform data and a limiting condition in a storage section. The unit-logic-circuit information indicates a plurality of unit-logic-circuits synthesized based on logic design information. The waveform data indicates a logic simulation result with respect to the plurality of unit-logic-circuits. The limiting condition defines a comparison condition of the waveform data. The method selects a first unit-logic-circuit from the plurality of unit-logic-circuits. The method detects a second unit-logic-circuit having a substantially identical sequence of the waveform data to the first unit-logic-circuit based on the limiting condition. The method outputs the first unit-logic-circuit and the second unit-logic-circuit as redundant circuit information. | 03-10-2011 |
20120128377 | OPTICAL DIGITAL COHERENT RECEIVER - An ALC processing unit to adjust the signal level of outputs from an adaptive equalizer to a target value is provided in a stage later than the adaptive equalizer and earlier than a frequency offset estimation/compensation unit in an optical digital coherent receiver. The ALC processing unit generates a histogram that counts the number of samples for discrete monitored values corresponding to amplitude values of outputs from the adaptive equalizer, and determines a level adjustment coefficient that is to be multiplied by an output from the adaptive equalizer so as to multiply the determined coefficient by the output from the adaptive equalizer so that the monitored value of the peak value of the histogram is the target value. | 05-24-2012 |
20120134684 | Adaptive equalizer, optical receiver, and tap coefficient correcting method - An adaptive equalizer includes a finite impulse response filter with a predetermined number of taps; and a tap coefficient adaptive controller having a register to hold tap coefficients for the filter, a weighted center calculator to calculate a weighted center of the tap coefficients, and a tap coefficient shifter to shift the tap coefficients based on a calculation result of the weighted center. During an initial training period, the tap coefficient shifter shifts the tap coefficients on a symbol data basis such that a difference between the calculated weighted center of the tap coefficients and a tap center defined by the number of taps is minimized. | 05-31-2012 |
20140029959 | DIGITAL COHERENT RECEIVING APPARATUS - A digital coherent receiving apparatus includes a first oscillator for outputting a local light signal of a fixed frequency, a hybrid unit mixing the local light signal with a light signal received by a receiver, a second oscillator for outputting a sampling signal of a sampling frequency, a converter for converting the mixed light signal into digital signal synchronizing with the sampling signal, a waveform adjuster for adjusting a waveform distortion of the converted digital signal, a phase adjustor for adjusting a phase of the digital signal adjusted by the waveform adjustor, a demodulator for demodulating the digital signal adjusted by the phase adjuster, and a phase detector for detecting a phase of the digital signal adjusted by the phase adjuster, and a control signal output unit for outputting a frequency control signal on the basis of the detected phase signal to the second oscillator. | 01-30-2014 |
Patent application number | Description | Published |
20140112543 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device, includes: a memory; and a processor coupled to the memory, configured to: extract an edge where positions overlap with each other, by comparing a first edge image extracted from an image captured for a first time and a second edge image extracted from an image captured for a second time after the first time, the image for the first time and the image for the second first time being captured from a movable body, remove the extracted edge from at least one of the first edge image and the second edge image, perform matching processing on the first and second edge images in both or one of which the extracted edge has been removed, and estimate a movement amount of the movable body, by using a displacement amount between the first edge image and the second edge image which are subjected to the matching processing. | 04-24-2014 |
20140139673 | IMAGE PROCESSING DEVICE AND METHOD FOR PROCESSING IMAGE - An image processing device includes: a memory; and a processor coupled to the memory and configured to: obtain image data regarding an image captured by an image capture device that moves along with a moving body and of which image capture direction is a certain traveling direction of the moving body, and detect a feature caused by a reflection from features based on information regarding positions of the features in the image data at a time when the moving body has moved in a direction different from the image capture direction. | 05-22-2014 |
20140152780 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing apparatus includes an acquiring unit for acquiring an image from a camera in a moving body; an extracting unit for extracting feature points from the image; a matching unit for performing a matching process on feature points extracted from images taken at different time points; a position calculating unit for calculating a three-dimensional position based on the matching feature point and the movement of the moving body; a calculating unit for calculating a precision of the three-dimensional position; a distribution determining unit for detecting an object from the image and setting a threshold for each object based on a precision distribution of the feature points of each object; a selecting unit for selecting, for each object, the feature points having a higher precision than the threshold; and a generating unit for generating an object shape by using the feature points that have been selected. | 06-05-2014 |
20140294246 | MOVEMENT DISTANCE ESTIMATING DEVICE AND MOVEMENT DISTANCE ESTIMATING METHOD - A movement distance estimating device includes: a memory; and a processor coupled to the memory and configured to: determine, based on a first image and a second image included in images captured by an image capture device mounted on a moving body, an amount of relative movement of the moving body between a first time point at which the first image is captured and a second time point at which the second image is captured, determine a scale for the amount of relative movement, based on a relation in a three-dimensional space between a road surface and a spatial point corresponding to a feature point in an area other than a road-surface area in at least one image of the captured images, and determine a movement distance of the moving body between the first and second time points, based on the amount of relative movement and the scale. | 10-02-2014 |
20140362193 | DISTANCE MEASURING APPARATUS AND DISTANCE MEASURING METHOD - A processor of a distance measuring apparatus calculates a three-dimensional position of an object in the surroundings based on the first image, the second image and the amount of movement. The processor determines that calculated three-dimensional position is an error, when the displacement between a fourth position at which a third position set based on the calculated three-dimensional position of the object is projected on either one image of the first image and the second image and a position of the object in the one image is equal to or larger than a prescribed value. The processor makes the calculated three-dimensional position a distance measurement target when the calculated three-dimensional position is not determined as an error, and when determined as an error, excludes the calculated three-dimensional position from the distance measurement target. | 12-11-2014 |
Patent application number | Description | Published |
20090271171 | EMULATOR DEVICE, AND A METHOD FOR TESTING A TEST TARGET DEVICE - An emulator device is connected to a test target device provided with a communication protocol stack to be tested through a network. The emulator device operates a method including determining an operation to be executed with reference to a scenario that describes a series of operations to be executed in a sequence to be tested upon input of the scenario, sending a start notification, and executing the operation specified by the start notification by reading the operation from the scenario, so as to generate a packet to be sent to the test target device. | 10-29-2009 |
20120131237 | EXTENSION DEVICE AND COMMUNICATION CHECK METHOD - An extension device that extends a communication path between a host device and an input/output (IO) device, the extension device including a determination unit configured to determine whether a first logical path exists between the host device and the IO device, a logical path establishment unit configured to request the IO device to establish a second logical path between the extension device and the IO device when the first logical path does not exist between the host device and the IO device, and a communication check unit configured to check communication on the second logical path established between the extension device and the IO device that establishes the second logical path. | 05-24-2012 |
20120158957 | RELAY APPARATUS AND COMMUNICATION METHOD - A relay apparatus performing communication between a first processing apparatus and a second processing apparatus through another relay apparatus, the relay apparatus includes a transmission unit to transmit transmission data to the other relay apparatus, a calculation unit to measure a round trip time (RTT) from transmission of data to the other relay apparatus to receiving of a response, and calculate a transmission time on a basis of the RTT, and a scheduler unit to control transmission times of transmission data to the other relay apparatus outputs, when the scheduler unit detects the transmission data and a size of the detected transmission data is not larger than a specified value, the transmission data to the transmission unit after a time from the detection of the transmission data has passed the transmission time. | 06-21-2012 |
20130091304 | COMMUNICATION DEVICE, METHOD OF CONTROLLING COMMUNICATION DEVICE, AND INFORMATION PROCESSING SYSTEM - A host side extension device includes a write data processing unit, a mode setting unit, and a second communication control unit. The write data processing unit executes a compression process on data to be transmitted to an I/O device and generates compressed data. The mode setting unit includes decompression control information to instruct the I/O side extension device not to execute a decompression process on the compressed data and compression control information to instruct the I/O device not to execute a compression process on data in a transmission notice notifying of that an own device is to transmit the compressed data to the I/O device through the I/O side extension device. The second communication control unit transmits the transmission notice including the decompression control information and the compression control information to the I/O device through the I/O side extension device. | 04-11-2013 |
Patent application number | Description | Published |
20100302724 | SHOCK-ABSORBING DEVICE, STORAGE MEDIUM HOLDING DEVICE, AND SYSTEM FOR ENCLOSING STORAGE MEDIUM - A shock-absorbing device is provided. The shock-absorbing device that absorbs shock to an object includes a shock-absorbing member that surrounds the object and is elastically deformable and a switching mechanism that switches the shock-absorbing member to a flat state where a gap between the shock-absorbing member and the object is small and the shock-absorbing member is flat, or a bent state where the shock-absorbing member is bent toward the outside of the object so that the gap increases. | 12-02-2010 |
20110180316 | ELECTRONIC DEVICE AND ELECTRONIC DEVICE HOUSING BODY - An electronic device fixed to a pair of rack columns that are separated by a certain distance. The electronic device includes a housing that includes side surfaces, each of the side surfaces opposing one of the rack columns when the housing is sandwiched between the pair of rack columns, and a pair of hook members that are supported slidably in a depth direction on the side surfaces, respectively, and engaged with the mounting hole of the rack columns, respectively. | 07-28-2011 |
20120327598 | ELECTRONIC DEVICE HOUSING DEVICE - An electronic device housing device includes a housing, a plurality of slots that are arranged side by side inside the housing, the slots each housing the electronic device, a gas passage that guides a gas flowing into each of the slots in a direction across the slots, a connection substrate provided inside the housing to extend upright, the connection substrate being arranged to face the slots, the connection substrate including a connected portion to which a connecting portion of the electronic device housed in each of the slots is to be connected, a ventilation port provided at an end portion of the connection substrate, the ventilation port allowing the gas to flow into through the gas passage from each of the slots, and a fan that sucks the gas flowing into each of the slots into the ventilation port through the gas passage. | 12-27-2012 |
20130258580 | STORAGE APPARATUS AND PARTITION BOARD USED IN STORAGE APPARATUS - A storage apparatus includes: a backplane having first and second faces; a first storage device and a first unit attached to the first face; a second storage device and a second unit attached to the second face; at least one first air-flow generator that generates air flow passing through, in sequence, the first storage device and the second unit; at least one second air-flow generator that generates air flow passing through, in sequence, the first unit and the second storage device; and a partition board, being interposed between the first and the second storage devices, that includes a first partition-board opening through which the first storage device communicates with the second unit and an inhibitor that prevents the air flow passing through the first storage device from flowing into the second storage device. | 10-03-2013 |