Patent application number | Description | Published |
20100153074 | DESIGN SUPPORT APPARATUS - A design support apparatus for determining a plurality of objective functions for modeling an object having a plurality of elements, each of the elements providing variable geometrical parameters, the design support apparatus includes a memory for storing the variable geometrical parameters and a processor for executing a process including: determining boundary information associated with specified geometrical parameters of the elements which indicate a state of contact between the elements, dividing the variable geometrical parameters into a plurality of groups on the basis of the boundary information, and determining the plurality of objective functions for each of the groups by using the variable geometrical parameters. | 06-17-2010 |
20100205574 | SUPPORT APPARATUS AND METHOD - A design support apparatus includes: a logical expression substitution unit to substitute a part of the logical expression, which includes a function expression of the design variables and a quantifier attached to the design variable, with a substitution variable; a quantifier elimination unit to generate a relational expression including the substitution variable and design variables without the quantifier by eliminating the design variable to which the quantifier is attached from the logical expression; a sampling point generation unit to generate a plurality of sampling points corresponding to the design variables and the substitution variable included in the relational expression; a possible range computation unit to compute, for each of the sampling points, a possible range that the relational expression may take, by calculating values of remaining design variables included in the relational expression based on the relational expression; and a possible range display unit to display the possible range. | 08-12-2010 |
20100332195 | MULTI-PURPOSE OPTIMIZATION DESIGN SUPPORT APPARATUS AND METHOD, AND RECORDING MEDIUM STORING PROGRAM - A design support apparatus includes a parameter set generation unit configured to obtain a plurality of types of parameters and sequentially generates parameter sets while sequentially changing each parameter, a design object shape data generation unit configured to generate design object shape data based on the parameter set and initial shape data representing an initial shape of the design object shape, a geometric penalty function value calculation unit configured to calculate a geometric penalty function value indicating suitability of geometric characteristics of the design object shape based on the design object shape data, an objective function calculation control unit configured to determine whether or not the parameter set is used to calculate an objective function based on the geometric penalty function value and an optimal value of the objective function, and an objective function calculation unit configured to calculate the objective function based on the parameter set. | 12-30-2010 |
20110022365 | MULTI-OBJECTIVE OPTIMIZATION DESIGN SUPPORT APPARATUS AND METHOD - An embodiment relates to a multi-objective optimization design supporting technique to reduces the computational complexity of QE/CAD. When the input logical expression generated by a logical-expression-with-qualifier generation unit is satisfied in regard to the sample point included in a certain piece of cell information for each value of the same design parameter, a first cell processing unit does not evaluate the input logical expression on the cell information including other sample points having a value equal to or smaller than the value of a predetermined design variable (for example, a design variable indicating a yield) corresponding to the sample point above, but selects it as the cell information for an output of a logical expression without a qualifier. | 01-27-2011 |
20110148867 | SHAPE OPTIMIZATION TECHNIQUE - A shape optimization method includes: obtaining parameter data including data concerning a first relational expression that causes coordinate values of plural vertexes in at least a portion of an object to be changed together and includes a parameter capable of setting values from outside; determining, according to a predetermined algorithm, a value of the parameter in the parameter data; calculating coordinates values of the plural vertexes from a second relational expression determined by the first relational expression and the determined value of the parameter; generating shape data including coordinate values of first vertexes to define the shape of the object from initial coordinate values and the calculated coordinate values; causing to execute cost calculation of the shape defined by the shape data; and outputting shape data in case of a best result of the cost calculation after repeating the aforementioned processing based on a result of the cost calculation. | 06-23-2011 |
20110184706 | OPTIMIZATION PROCESSING METHOD AND APPARATUS - A first model expression having a first order and representing a relationship between evaluation indicators and the design parameters and a second model expression having a second order higher than the first order and representing a relationship between them are generated. Then, according to a quantifier elimination method, values of said design parameters, which realize an optimum solution of the first model expression, are calculated. And, a design parameter whose value is identical to an upper limit value or a lower limit value is identified, and the second model expression is transformed by substituting the upper limit value or the lower limit value, as a value of the identified design parameter, for the second model expression. Finally, according to the quantifier elimination method, values of the design parameters in the transformed second model expression, which realize an optimum solution of the transformed second model expression, is calculated. | 07-28-2011 |
20110295573 | MODEL EXPRESSION GENERATION METHOD AND APPARATUS - When model expressions of objective functions are generated at vertexes of a quadrilateral on a plane concerning P and N channels of transistors in SRAM, the initial number of times of simulation is allocated to each objective function at each designated vertex according to weight values set based on relationships presumed among the objective functions at each designated vertex. For each objective function at each designated vertex, first simulation is executed the allocated number of times. Furthermore, a model expression is generated from the first simulation result, and an evaluation indicator of an approximation accuracy of the model expression is calculated. Then, for each model expression, it is determined whether the corresponding model expression has influence on the yield, and based on the evaluation indicator of the corresponding model expression and presence or absence of the influence, it is determined whether additional simulation is required for the corresponding objective function. | 12-01-2011 |
20120046915 | DISPLAY PROCESSING TECHNIQUE OF DESIGN PARAMETER SPACE - This method includes: generating a constraint equation from data of an approximate expression of a cost function representing a relationship between a plurality of design parameters and a cost, data of a route in a cost space and data of a search range in a design parameter space; obtaining a logical expression of a solution for the constraint equation from a quantifier elimination processing unit that carries out a processing according to a quantifier elimination method; substituting coordinates of each of a plurality of points within the search range in the design parameter space into the logical expression of the solution to determine, for each of the plurality of points, true or false of the logical expression of the solution; and displaying the design parameter space in which a display object including a first point for which true is determined is disposed at the first point. | 02-23-2012 |
20130024227 | INFORMATION PROCESSING TECHNIQUE FOR DETERMINING TRAVELING ROUTE - A disclosed method includes determining, for each operator group, scheduled execution order by arranging, for each operator group, the predetermined number of operations to be conducted while traveling, wherein at least a portion of the predetermined number of operations is allotted to each of the operator groups; determining, for each operator group, operations to be conducted in the scheduled execution order by determining, for each operator group, along the scheduled execution order of the operator group and while advancing time, whether movement to an operation place of each operation of the predetermined number of operations and start of the operation satisfy a constraint condition set in advance for the predetermined number of operations; and calculating a first evaluation value of orders of the operations determined to be conducted for the plural operator groups. | 01-24-2013 |
20130046467 | METHOD AND APPARATUS FOR DETERMINING TRAVELING ROUTE - The disclosed method includes: first identifying, for each candidate place of a second place that will be traveled subsequently to a first place whose traveling order has been determined among plural places and for which traveling order is not determined, a point in a space mapped by a travel cost and one or plural costs, by reading out a travel cost value between the first place and the candidate place, and reading one or plural cost values of the candidate place from a second data storage unit; extracting one or plural candidate places corresponding to Pareto solutions in the space; second identifying the second place from the one or plural extracted candidate places; and generating traveling route candidates for the plural places by repeating the first identifying, the extracting and the second identifying. | 02-21-2013 |
20130054659 | INFORMATION PROCESSING TECHNIQUE FOR OPTIMIZATION - The disclosed method includes: generating a problem for a quantifier elimination (QE) method from a cost function representing a relationship between a parameter set and a cost; executing, by a module that executes a processing for the QE method by term substitution, a processing for the problem, to obtain a first processing result; when the first processing result includes a first partial problem for which the term substitution is impossible, executing, by a module that execute a numerical analysis processing, a processing to minimize the cost for the first partial problem, to obtain a second processing result; when the first processing result includes a logical expression as a solution of a second partial problem for which the term substitution has been completed, generating data to identify a minimum cost value from the logical expression; and generating a minimum cost for the problem from at least the second processing result. | 02-28-2013 |
20140249793 | CONTROL METHOD, CONTROL SERVER, AND COMPUTER-READABLE RECORDING MEDIUM - A control server according to an embodiment sorts a plurality of notebook PCs into a plurality of groups so that the total value of the remaining amounts is a value similar to the total value of the remaining amounts of the rechargeable batteries of a plurality of notebook PCs included in a different group. The control server according to the embodiment performs local search individually on the sorted groups, and generates a control plan for the individual notebook PCs. | 09-04-2014 |
20160091541 | PARAMETER DETERMINATION METHOD, COMPUTER-READABLE RECORDING MEDIUM, AND INFORMATION PROCESSING APPARATUS - A parameter determination method is disclosed. Information of specification of the output is received. A first circuit constant and a second circuit constant to set in elements forming an equivalent circuit of the predetermined circuit is received. A first range of a plurality of the parameters which are to be set in a compensator that compensates the output is specified based on the information of the specification and the first circuit constant. A second range of a plurality of parameters which are to be set in the compensator is specified based on the information of the specification and the second circuit constant. At least one of a parameter included in both the first range and the second range. | 03-31-2016 |
Patent application number | Description | Published |
20100002117 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device in which at least a first metal wiring layer and a second metal wiring layer are arranged on a semiconductor substrate in an order named, the semiconductor substrate comprises a pixel region where a plurality of pixels are arrayed in a matrix, each pixel including at least a photoelectric conversion portions and an amplification transistor, wherein the second metal wiring layer includes power supply lines each configured to supply a power supply voltage to the amplification transistors of at least two pixel columns, and wherein the amplification transistor of a pixel column having no power supply line receives the power supply voltage from the power supply line via the first metal wiring layer. | 01-07-2010 |
20100097486 | IMAGE SENSING DEVICE AND IMAGE SENSING SYSTEM - An image sensing device includes a multilayer wiring structure comprising a first wiring layer and a second wiring layer, wherein the second wiring layer comprises a plurality of vertical signal lines extending in the vertical direction among a plurality of photoelectric conversion units of a pixel unit to transfer the signal output by an amplification transistor and a plurality of vertical power supply lines extending in the vertical direction between two pixel units adjacent to each other in the horizontal direction to supply a power supply voltage to the amplification transistor or the reset transistor, and the vertical power supply lines supply the power supply voltage to the reset transistor of the adjacent pixel unit on a first side in the horizontal direction and supply the power supply voltage to the amplification transistor of the adjacent pixel unit on a second side in the horizontal direction. | 04-22-2010 |
20100110257 | SOLID-STATE IMAGE PICKUP APPARATUS, IMAGE PICKUP SYSTEM, AND DRIVING METHOD OF THE SOLID-STATE IMAGE PICKUP APPARATUS - An apparatus includes a pixel array in which pixels for outputting an analog signal are arranged in a matrix, vertical output lines each of which is connected to pixels in a same column, A/D conversion units, which are individually connected to the vertical output lines, for converting the analog signal into a digital signal, and a constant current supply unit for supplying a constant current to the A/D conversion units. Each of the A/D conversion units includes an integration unit for integrating the constant current, a comparison unit for comparing the integrated constant current with the analog signal and outputting a comparison signal, and a digital signal storage unit for storing a digital signal corresponding to the comparison signal. The integration unit includes an input capacitor for receiving the constant current. The comparison unit is connected to the constant current supply unit via the input capacitor. | 05-06-2010 |
20100149394 | SOLID-STATE IMAGING APPARATUS AND IMAGING SYSTEM USING THE SOLID-STATE IMAGING APPARATUS - It is an object of the present invention to provide a solid-state imaging apparatus that outputs digital signals at high speed. A solid-state imaging apparatus is provided that includes plural analog-to-digital converters that convert analog signals obtained by photoelectric conversion into digital signals, plural digital memories that store the digital signals converted by the analog-to-digital converters, plural block digital output lines that are provided to correspond to blocks of the plural digital memories and to which the digital signals stored in the plural digital memories included in the blocks are output, a common digital output line that outputs the digital signals output from the plural block digital output lines, buffer circuits that buffer the digital signals output from the block digital output lines, and block selecting units that can switch the block digital output lines electrically connected to the common digital output line. | 06-17-2010 |
20100194946 | SOLID-STATE IMAGE PICKUP APPARATUS AND CAMERA - The invention provides a solid-state image pickup apparatus which comprises a pixel area in which pixels each having at least a photoelectric conversion unit and an amplification transistor for amplifying and outputting a signal of the photoelectric conversion unit are two-dimensionally arranged in horizontal and vertical directions, wherein a power supply wiring, which extends in a vertical direction along pixel boundaries of horizontal and vertical directions while meandering, is arranged on one of two pixel lines adjoining to each other in the horizontal direction in the pixel area, and the power supply wiring is connected to one of a source and a drain of the amplification transistor on each of the two pixel lines. Thus, it is possible to provide a high-sensitivity and high-image-quality amplified solid-state image pickup apparatus in which a difference of sensitivities at one-line intervals is small. | 08-05-2010 |
20110032009 | DELAY LOCKED LOOP CIRCUIT - A delay locked loop circuit comprising a VCDL which outputs a feedback clock by delaying an input clock in accordance with a magnitude of a control voltage, a phase comparator which detects a phase difference between the feedback clock and a reference clock by comparing the feedback clock with the reference clock, and outputs an Up-signal for raising the control voltage and a Down-signal for lowering the control voltage in accordance with the phase difference, a control voltage generation circuit which determines the control voltage in accordance with the Up-signal and the Down-signal, and outputs the control voltage to the VCDL, and a reset circuit which resets the phase comparator based on a logical OR between the reference clock and a first intermediate clock which is a signal obtained by delaying the input clock by the VCDL and is output before the feedback clock. | 02-10-2011 |
20110156939 | PULSE EDGE SELECTION CIRCUIT, AND PULSE GENERATION CIRCUIT, SAMPLE-HOLD CIRCUIT, AND SOLID-STATE IMAGE SENSOR USING THE SAME - A pulse edge selection circuit includes an input stage which selects and passes one clock from among a plurality of clocks and an output stage which outputs the clock to an edge detection circuit. The output stage has a combination of a plurality of NOR gates and a plurality of NAND gates, which are connected alternately, both the NOR gates and NAND gates having a plurality of input terminals. If the edge detection circuit is a type which detects falling edges of clocks and generates a pulse which rises on the falling edge of a first clock and falls on the falling edge of a second clock, a NOR gate is used as an output gate which outputs the first clock and the second clock. On the other hand, if a pulse is generated on rising edges, a NAND gate is used as an output gate. | 06-30-2011 |
20110175151 | PHOTOELECTRIC CONVERSION APPARATUS AND IMAGE PICKUP SYSTEM USING PHOTOELECTRIC CONVERSION APPARATUS - A photoelectric conversion apparatus includes a plurality of photoelectric conversion elements configured to convert incident light to electric carriers, an amplifier MOS transistor shared by the plurality of photoelectric conversion elements, a plurality of floating diffusions connected to the gate electrode of the amplifier MOS transistor, and a plurality of transfer MOS transistors arranged corresponding to the respective photoelectric conversion elements, each of the transfer MOS transistors transferring electric carriers from corresponding one of the photoelectric conversion elements to corresponding one of the floating diffusions. In such a photoelectric conversion apparatus, at least two of the floating diffusions are electrically connected to each other with a wiring line included in the same wiring layer as the gate electrode of the amplifier MOS transistor. | 07-21-2011 |
20120228609 | TEST CIRCUIT FOR TESTING SIGNAL RECEIVING UNIT, IMAGE PICKUP APPARATUS, METHOD OF TESTING SIGNAL RECEIVING UNIT, AND METHOD OF TESTING IMAGE PICKUP APPARATUS - It is disclosed that, as an embodiment, a test circuit includes a test signal supply unit configured to supply a test signal via a signal line to signal receiving units provided in a plurality of columns, wherein the test signal supply unit is a voltage buffer or a current buffer, and the test circuit has a plurality of test signal supply units and a plurality of signal lines, and wherein at least one test signal supply unit is electrically connected to one signal line different from a signal line to which another test signal supply unit is electrically connected. | 09-13-2012 |
20120307100 | SOLID-STATE IMAGE SENSOR AND CAMERA - A solid-state image sensor has a pixel array including pixel units and column signal lines. Each pixel unit includes a photoelectric converter and an amplifier transistor which outputs a signal to the column signal line. The sensor includes a cascode current source which supplies a current to the amplifier transistor and which includes cascode-connected first and second transistors, a first bias circuit which determines a voltage of a first node connected to a gate of the first transistor, and a second bias circuit which determines a voltage of a second node connected to a gate of the second transistor. | 12-06-2012 |
20130063639 | SOLID-STATE IMAGING APPARATUS AND IMAGING SYSTEM USING THE SOLID-STATE IMAGING APPARATUS - It is an object of the present invention to provide a solid-state imaging apparatus that outputs digital signals at high speed. A solid-state imaging apparatus is provided that includes plural analog-to-digital converters that convert analog signals obtained by photoelectric conversion into digital signals, plural digital memories that store the digital signals converted by the analog-to-digital converters, plural block digital output lines that are provided to correspond to blocks of the plural digital memories and to which the digital signals stored in the plural digital memories included in the blocks are output, a common digital output line that outputs the digital signals output from the plural block digital output lines, buffer circuits that buffer the digital signals output from the block digital output lines, and block selecting units that can switch the block digital output lines electrically connected to the common digital output line. | 03-14-2013 |
20130194474 | SOLID-STATE IMAGE PICKUP APPARATUS, IMAGE PICKUP SYSTEM, AND DRIVING METHOD OF THE SOLID-STATE IMAGE PICKUP APPARATUS - An apparatus includes a pixel array in which pixels for outputting an analog signal are arranged in a matrix, vertical output lines each of which is connected to pixels in a same column, A/D conversion units, which are individually connected to the vertical output lines, for converting the analog signal into a digital signal, and a constant current supply unit for supplying a constant current to the A/D conversion units. Each of the A/D conversion units includes an integration unit for integrating the constant current, a comparison unit for comparing the integrated constant current with the analog signal and outputting a comparison signal, and a digital signal storage unit for storing a digital signal corresponding to the comparison signal. The integration unit includes an input capacitor for receiving the constant current. The comparison unit is connected to the constant current supply unit via the input capacitor. | 08-01-2013 |
20130222631 | SOLID-STATE IMAGING APPARATUS - A solid-state imaging apparatus comprises a plurality of pixel units forming a pixel array, and a plurality of processing portions each corresponding to each column of the pixel array respectively, and each of the plurality of processing portions comprising a first front-side capacitance configured to hold a first signal having a noise component, a second front-side capacitance configured to hold a second signal having the noise component and a signal component, a first transfer portion configured to transfer the first signal from the first front-side capacitance to a first back-side capacitance, and a second transfer portion configured to transfer the second signal from the second front-side capacitance to a second back-side capacitance, wherein positions of the first and the second transfer portions are different from each other in a direction of the column. | 08-29-2013 |
20140036121 | SOLID-STATE IMAGE SENSOR, CAMERA, AND METHOD OF DRIVING SOLID-STATE IMAGE SENSOR - An image sensor includes a pixel unit having first and second photoelectric converters, an amplifier provided commonly for the first and second photoelectric converters, first and second transfer transistors configured to respectively transfer charges generated in the first and second electric converters to an input portion of the amplifier. The signal read out by the readout portion includes a first optical signal read out in a state in which charges are transferred from the first photoelectric converter to the input portion by the first transfer transistor, and a second optical signal read out, after the readout of the first optical signal, in a state in which charges are transferred from the second photoelectric converter to the input portion by the second transfer transistor. | 02-06-2014 |
20140333815 | SOLID-STATE IMAGING APPARATUS AND CAMERA - A solid-state imaging apparatus including a pixel array, the column signal lines, arranged so as to correspond to each column of the pixel array, for reading out signals from the pixel array, the current sources, for supplying currents corresponding to potentials of controlling terminals of the current sources to the column signal lines, and a supplying unit for supplying a first potential and a second potential to the controlling terminals, wherein in a first mode for reading out the signals from the pixel array, the supplying unit supplies the first potential to the controlling terminals, and in a second mode for stopping the reading out, the supplying unit supplies the second potential to the controlling terminals, and the currents supplied by the current sources of the second mode is smaller than that of the first mode. | 11-13-2014 |
20140340555 | IMAGE SENSING APPARATUS - An image sensing apparatus including a plurality of pixels arranged in a row direction and a column direction. Each pixel including a first photoelectric conversion element, a second photoelectric conversion element. A processing unit including a first capacitor and a second capacitor which are configured to hold a signal obtained by a signal of the first photoelectric conversion element and a signal of the second photoelectric conversion element. In a first image sensing mode, the processing unit holds an image sensing signal obtained by adding the signal of the first photoelectric conversion element and the signal of the second photoelectric conversion element in the second capacitor. In a second image sensing mode, the processing unit holds the added image sensing signal in a combined capacitance obtained by connecting the first capacitor and the second capacitor in parallel. | 11-20-2014 |
20150049225 | IMAGE PICKUP APPARATUS - In an image pickup apparatus, a noise signal holding unit holds a noise signal output from a pixel unit and outputs the noise signal to a following-stage circuit. A first signal holding unit holds a first optical signal based on signals generated by N photoelectric conversion elements in the pixel unit and outputs the first optical signal to the following-stage circuit where N is an integer equal to or greater than 1. A second signal holding unit holds a second optical signal based on signals generated by M photoelectric conversion elements in the pixel unit and outputs the second optical signal to the following-stage circuit where M is an integer equal to or greater than 2 and greater than N. The signal output from the second signal holding unit has a greater common mode noise rejection ratio than that output from the first signal holding unit. | 02-19-2015 |
20150077570 | TEST CIRCUIT FOR TESTING SIGNAL RECEIVING UNIT, IMAGE PICKUP APPARATUS, METHOD OF TESTING SIGNAL RECEIVING UNIT, AND METHOD OF TESTING IMAGE PICKUP APPARATUS - It is disclosed that, as an embodiment, a test circuit includes a test signal supply unit configured to supply a test signal via a signal line to signal receiving units provided in a plurality of columns, wherein the test signal supply unit is a voltage buffer or a current buffer, and the test circuit has a plurality of test signal supply units and a plurality of signal lines, and wherein at least one test signal supply unit is electrically connected to one signal line different from a signal line to which another test signal supply unit is electrically connected. | 03-19-2015 |
20150215555 | IMAGING DEVICE AND IMAGING SYSTEM - There is provided an imaging device. In the imaging device, when a range of the signal amplitude available for a signal output from a pixel cell is small, a period, in which a signal in a buffer unit is output, is set shorter than that when the range is large. | 07-30-2015 |
20150319388 | DRIVING METHOD FOR AN IMAGE PICKUP APPARATUS, IMAGE PICKUP APPARATUS, AND IMAGE PICKUP SYSTEM - The present invention provides a driving method for an image pickup apparatus that appropriately performs both readout of a signal of a reference pixel and mixing of mutual signals output by a plurality of effective pixels, and the present invention also provides an image pickup apparatus and an image pickup system. | 11-05-2015 |
20160057372 | SOLID-STATE IMAGING APPARATUS AND IMAGING SYSTEM - Provided is a solid-state imaging apparatus, including: a first amplifier and a second amplifier; a coupling capacitor including a first electrode and a second electrode; a first metal member configured to connect an output terminal of the first amplifier and the first electrode; and a second metal member configured to connect an input terminal of the second amplifier and the second electrode, wherein, in a cross section perpendicular to a line that runs from the second electrode toward the input terminal of the second amplifier, the first metal member is arranged in at least two directions out of directions relative to the second metal member that are above, below, to the left of, and to the right of the second metal member. | 02-25-2016 |
20160064442 | SOLID-STATE IMAGE PICKUP APPARATUS AND IMAGE PICKUP SYSTEM - Provided is a solid-state image pickup apparatus, including: a pixel region, in which a plurality of pixels each including an amplifier transistor are arranged two-dimensionally in rows and columns, and which includes an n-row signal mixing region in which outputs of n amplifier transistors are mixed, where n is a natural number of 1 or more, and an m-row signal mixing region in which outputs of m amplifier transistors are mixed, where m>n; a column signal line to which a voltage from the amplifier transistor is output; and a clipping circuit, which is configured to clip a voltage in the column signal line, and is arranged at a position that is closer to the n-row signal mixing region than to the m-row signal mixing region. | 03-03-2016 |
Patent application number | Description | Published |
20080204031 | METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF SECONDARY BATTERY, AND POWER SUPPLY SYSTEM THEREWITH - A method for detecting SOC and SOH of a storage battery includes: calculating an SOC value of the storage battery with use of an SOC calculation unit based on a measured voltage value or a measured current value of the storage battery and calculating an SOH value of the storage battery with use of an SOH calculation unit based on the SOC value; further calculating a new SOC value with use of the SOC calculation unit based on the SOH value and calculating a new SOH value with use of the SOH calculation unit based on the new SOC value, these further calculations of SOC value and SOH value being repeated a prescribed n times of at least one so as to obtain an nth calculated SOC value and an nth calculated SOH value; outputting the nth calculated SOH value as an SOH output value and outputting the nth calculated SOH value as an SOC output value; and storing the SOH output value into a memory. | 08-28-2008 |
20080243405 | METHOD AND DEVICE FOR ESTIMATING BATTERY RESIDUAL CAPACITY, AND BATTERY POWER SUPPLY SYSTEM - In the method for estimating battery residual capacity of the present invention, the voltage measurement values are obtained (step S | 10-02-2008 |
20090027007 | METHOD AND DEVICE FOR DETERMINING BATTERY DISCHARGE CAPABILITY, AND POWER SUPPLY SYSTEM - Regarding a method for determining battery discharge capability of the present invention, the optimum state vector X is estimated by extended Kalman filter operation. Using the estimated state vector X, element parameters of an equivalent circuit are renewed to the optimum (step S | 01-29-2009 |
20090030626 | REMAINING ELECTRICAL CHARGE/REMAINING CAPACITY ESTIMATING METHOD, BATTERY STATE SENSOR AND BATTERY POWER SOURCE SYSTEM - The present invention provides a battery remaining electrical charge/remaining capacity estimating method which makes it possible to obtain a convergence value of a battery open circuit voltage with high accuracy and in a short time. | 01-29-2009 |
20090140744 | METHOD AND DEVICE FOR DETERMINING STATE OF HEALTH OF THE BATTERY, AND BATTERY POWER SUPPLY SYSTEM - A method and the device are provided for determining state of health of the battery, in addition to the power supply system using the device, to reduce operational and processing load by expanding the data sampled at the time when the battery is caused to discharge square wave pulses into the square wave is provided. The method includes determining state of health of a battery by causing the battery to discharge square wave pulses with a prescribed cycle at a prescribed current value. Response voltages are sampled at a time of a pulse-discharge. The sampled response voltages are sampled into orthogonal square wave components. An amplitude of the square wave component is divided by the current value of the pulse-discharge to obtain a pseudo-impedance. A state of health of the battery based on the pseudo-impedance is determined. | 06-04-2009 |
20100045298 | METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF SECONDARY BATTERY, AND POWER SUPPLY SYSTEM THEREWITH - A method for detecting SOC and SOH of a storage battery includes: calculating an SOC value of the storage battery with use of an SOC calculation unit based on a measured voltage value or a measured current value of the storage battery and calculating an SOH value of the storage battery with use of an SOH calculation unit based on the SOC value; further calculating a new SOC value with use of the SOC calculation unit based on the SOH value and calculating a new SOH value with use of the SOH calculation unit based on the new SOC value, these further calculations of SOC value and SOH value being repeated a prescribed n times of at least one so as to obtain an nth calculated SOC value and an nth calculated SOH value; outputting the nth calculated SOH value as an SOH output value and outputting the nth calculated SOH value as an SOC output value; and storing the SOH output value into a memory. | 02-25-2010 |
20120265462 | METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF SECONDARY BATTERY, AND POWER SUPPLY SYSTEM THEREWITH - A method for detecting SOC and SOH of a storage battery includes: calculating an SOC value of the storage battery with use of an SOC calculation unit based on a measured voltage value or a measured current value of the storage battery and calculating an SOH value of the storage battery with use of an SOH calculation unit based on the SOC value; further calculating a new SOC value with use of the SOC calculation unit based on the SOH value and calculating a new SOH value with use of the SOH calculation unit based on the new SOC value, these further calculations of SOC value and SOH value being repeated a prescribed n times of at least one so as to obtain an nth calculated SOC value and an nth calculated SOH value; outputting the nth calculated SOH value as an SOH output value and outputting the nth calculated SOH value as an SOC output value; and storing the SOH output value into a memory. | 10-18-2012 |
20130013237 | STATE-OF-CHARGE ESTIMATION METHOD, STATE-OF-CHARGE ESTIMATION DEVICE, AND SECONDARY-BATTERY POWER SYSTEM - There is provided a state-of-charge estimation method, a state-of-charge estimation device, and a secondary-battery power system that may quickly and stably determine the convergence value of an adjustment parameter of a voltage characteristic formula that may approximate change over time of an open-circuit voltage of a secondary battery with high precision by appropriately setting the initial value of the adjustment parameter. At step S | 01-10-2013 |
20130154577 | Full Charge Sensing Apparatus And Full Charge Sensing Method - A full charge sensing apparatus for sensing a fully charged state of a secondary battery based on an equivalent circuit model of the secondary battery includes a measuring unit that measures a voltage and a current during charging of the secondary battery, a learning unit that performs a learning process on a plurality of parameters in the equivalent circuit model using a result of measurement of the measuring unit, and a determining unit that determines that the secondary battery is in a fully charged state in a case where, among the parameters on which the learning process has been performed by the learning unit, a parameter corresponding to a reaction resistance of the secondary battery is greater than a predetermined threshold. | 06-20-2013 |
20150362557 | STATE DETECTING METHOD AND STATE DETECTING DEVICE OF SECONDARY BATTERY - A state detecting method and device of a secondary battery correct impact resulting from state quantities caused by variation and calculate a state of charge with high accuracy. The state detecting method includes a first step of acquiring a detected voltage value and a detected current value, a second step of acquiring state quantities caused by variation such as a detected temperature value, a third step of determining if the detected voltage value is the voltage threshold value or greater, a fourth step of determining if the detected current value is the current threshold value or less, a fifth step of determining if a duration time of the current threshold value or less has elapsed a determination time, a sixth step of setting a state of charge in a reference state as the state of charge, and a seventh step of correcting the state of charge in the reference state. | 12-17-2015 |
20150377978 | SECONDARY BATTERY STATE DETECTING DEVICE AND SECONDARY BATTERY STATE DETECTING METHOD - To provide a secondary battery state detecting device that decreases the deterioration in capacity of the secondary battery and is low in arithmetic cost. | 12-31-2015 |
20160003912 | SECONDARY BATTERY STATE DETECTING DEVICE AND SECONDARY BATTERY STATE DETECTING METHOD - [Object] To detect states of a plurality of secondary batteries whose kinds are different with high accuracy. | 01-07-2016 |
Patent application number | Description | Published |
20090322970 | Optical Low-Pass Filter, Camera, Imaging Apparatus, and Method for Producing Optical Low-Pass Filter - An optical low-pass filter is constituted with a liquid crystal substrate including a layer of liquid crystal. The optical low-pass filter includes: a first liquid crystal part in which the liquid crystal is aligned along a first direction; and a second liquid crystal part in which the liquid crystal is aligned along a second direction different from the first direction. The first liquid crystal part and the second liquid crystal part are disposed in an alternately repeated fashion. | 12-31-2009 |
20100086293 | Focus detecting apparatus and an imaging apparatus - Disclosed is a focus detecting apparatus detecting an image offset of an optical system. The apparatus comprises a micro lens array arranged with a plurality of micro lenses, a photo-detector having a plurality of detecting elements provided so as to correspond to each of the plurality of micro lenses and receiving an optical beam from the optical system via the micro lenses, and a calculator that selects a pair of detecting elements from the plurality of detecting elements in accordance with a plurality of aperture values of the optical system and calculates an image offset of the optical system based on outputs from the pair of detecting elements. The pair of detecting elements receive respectively a pair of optical beams passing through different areas of the optical system. | 04-08-2010 |
20110019184 | LIGHT RECEIVING DEVICE, FOCUS DETECTION DEVICE AND IMAGING DEVICE - A light receiving device that receives light having passed through an image forming optical system and outputs a light reception signal includes: a light receiving element array formed by arraying a plurality of light receiving elements; a micro-lens array disposed between the image forming optical system and the light receiving element array, which includes a plurality of micro-lenses arrayed in correspondence to the plurality of light receiving elements; and a storage unit that stores position-related information pertaining to a relative positional relationship assumed by the micro-lens array and the light receiving element array with respect to a plane perpendicular to optical axes of the micro-lenses. | 01-27-2011 |
20110205388 | IMAGE-CAPTURING DEVICE AND IMAGE PROCESSING METHOD - An image-capturing device includes: a photographic optical system; a photoelectric conversion element array made up with a plurality of photoelectric conversion elements, arrayed therein; a micro-lens array made up with a plurality of micro-lenses arrayed therein; a data creation unit that creates pixel data at a plurality of pixels on a specific image forming plane by applying filter matrix data to output signals provided from the plurality of photoelectric conversion elements; and an image synthesis unit that synthetically generates an image on the specific image forming plane at a given position assumed along an optical axis of the photographic optical system, based upon the pixel data. The filter matrix data assume a two-dimensional data array pattern conforming to a specific intensity distribution with a distribution center thereof set at an element corresponding to a central position of a projection image of each of the plurality of pixels. | 08-25-2011 |
20110228131 | IMAGE-CAPTURING APPARATUS AND COMPUTER-READABLE COMPUTER PROGRAM PRODUCT CONTAINING IMAGE ANALYSIS COMPUTER PROGRAM - An image-capturing apparatus includes: a micro-lens array that includes a plurality of micro-lenses arrayed therein; an image sensor that includes arrayed therein a plurality of pixels that capture a plurality of pupil projection images, each corresponding to a pupil of an optical system projected via one of the plurality of micro-lenses as a light flux from the optical system passes through the micro-lens array; a photographic image generation unit that generates, based upon an output from the image sensor, a photographic image including a partial image corresponding to each of the plurality of pupil projection images; and an arithmetic operation unit that executes position calculation to determine a center position of the partial image by scanning the photographic image in reference to a reference image corresponding to the partial image. | 09-22-2011 |
20120280987 | IMAGE DISPLAY DEVICE - An image display device includes: an input unit that inputs image data constituted with pixel data, each set of the pixel data being generated based upon a plurality of image signals output from a plurality of image-capturing pixels arrayed in correspondence to a plurality of photographic micro-lenses distinct from one another; a generation unit that generates display image data containing three-dimensional information based upon the image data; a display unit constituted with a plurality of display pixels disposed in a two-dimensional pattern, which emits light fluxes from the plurality of display pixels in correspondence to the display image data; and a micro-lens array that includes a plurality of micro-lenses, via which a three-dimensional image is formed by combining the light fluxes emitted from the plurality of display pixels, disposed in a two-dimensional array pattern. | 11-08-2012 |
20120287331 | IMAGE-CAPTURING DEVICE - An image-capturing device includes: a plurality of micro-lenses disposed in a two-dimensional pattern near a focal plane of an image forming optical system; an image sensor that includes a two-dimensional array of element groups each corresponding to one of the micro-lenses and made up with a plurality of photoelectric conversion elements which receive, via the micro-lenses light fluxes from a subject having passed through the photographic optical system and output image signals; and a synthesizing unit that combines the image signals output from the plurality of photoelectric conversion elements based upon information so as to generate synthetic image data in correspondence to a plurality of image forming areas present on a given image forming plane of the image forming optical system, the information specifying positions of the photoelectric conversion elements output image signals that are to be used for generating synthetic image data for each image forming area. | 11-15-2012 |
20140168395 | THREE-DIMENSIONAL IMAGE DISPLAY DEVICE - A three-dimensional image display device includes: an input unit that inputs image data; a first image conversion unit that converts the image data to first image display data which include 2-D information; a display unit having a plurality of display pixels disposed in a two-dimensional pattern, which emits light fluxes from the plurality of display pixels in correspondence to the first image display data; and a micro-lens array having a plurality of micro-lenses disposed in a two-dimensional pattern, via which a three-dimensional image or a two-dimensional image is formed by combining the light fluxes emitted from the plurality of display pixels. | 06-19-2014 |
20140232897 | IMAGE-CAPTURING DEVICE AND IMAGE PROCESSING METHOD - An image-capturing device includes: a photographic optical system; a photoelectric conversion element array made up with a plurality of photoelectric conversion elements arrayed therein; a micro-lens array made up with a plurality of micro-lenses arrayed therein; a data creation unit that creates pixel data at a plurality of pixels on a specific image forming plane by applying filter matrix data to output signals provided from the plurality of photoelectric conversion elements; and an image synthesis unit that synthetically generates an image on the specific image forming plane at a given position assumed along an optical axis of the photographic optical system, based upon the pixel data. The filter matrix data assume a two-dimensional data array pattern conforming to a specific intensity distribution with a distribution center thereof set at an element corresponding to a central position of a projection image of each of the plurality of pixels. | 08-21-2014 |
20150042838 | IMAGE PROCESSING APPARATUS - An image processing apparatus includes: a plurality of micro-lenses arranged in a two-dimensional pattern so that a subject light through an image forming optical system enter there; a plurality of light receiving elements disposed in a vicinity of a focal position at rear side of the micro-lenses to correspond to the plurality of micro-lenses respectively that receive the subject light through the micro-lenses; an image synthesizing unit that synthesizes an image on a focal plane that is different from a predetermined focal plane of the image forming optical system based upon outputs from the plurality of light receiving elements; and a processing unit that, based upon at least an objective image in a vicinity of the plurality of micro-lenses, and an auxiliary image outside the vicinity of the plurality of micro-lenses, which are synthesized by the image synthesizing unit, performs a process to enhance a resolution of the objective image. | 02-12-2015 |
20150103228 | IMAGE-CAPTURING DEVICE - An image-capturing device includes: a plurality of micro-lenses disposed in a two-dimensional pattern near a focal plane of an image forming optical system; an image sensor that includes a two-dimensional array of element groups each corresponding to one of the micro-lenses and made up with a plurality of photoelectric conversion elements which receive, via the micro-lenses light fluxes from a subject having passed through the photographic optical system and output image signals; and a synthesizing unit that combines the image signals output from the plurality of photoelectric conversion elements based upon information so as to generate synthetic image data in correspondence to a plurality of image forming areas present on a given image forming plane of the image forming optical system, the information specifying positions of the photoelectric conversion elements output image signals that are to be used for generating synthetic image data for each image forming area. | 04-16-2015 |
20150319351 | Image-Capturing Device - An image-capturing device includes: a plurality of microlenses arranged in a two-dimensional manner; a plurality of photodetectors arranged to correspond to the plurality of microlenses; an image synthesizing part that synthesizes an image at an optional image plane of a photographic optical system, based on signals from the plurality of photodetectors; and an image processing part that removes signals of other pixels from signals of pixels constituting the image synthesized in the image synthesizing part. | 11-05-2015 |
20160077351 | OPTICAL SYSTEM, OPTICAL MEMBER, MICRO-MIRROR ARRAY, DISPLAY DEVICE, AND IMAGE PICKUP DEVICE - An optical system includes: a first optical member having a concave surface that reflects a light having a first circularly polarized light component and transmits a light having a second circularly polarized light component a rotation direction of which is opposite to a rotation direction of the first circularly polarized light component; and a second optical member that transforms the light having the first circularly polarized light component reflected from the first optical member into the light having the second circularly polarized light component to be reflected so as to be incident on the first optical member. | 03-17-2016 |