Patent application number | Description | Published |
20100109456 | WIRING COMPONENT FOR MOTOR COIL - A wiring component for a motor coil includes: a wire coil configured by a plurality of wire segments arranged in a circumferential direction so as to form a ring shape, each of the wire segments including an arc-shaped main-body portion made of a conductive wire rod bent in an arc shape, protruding portions formed at both end portions of the main-body portion and upright portions respectively formed at end portions of the protruding portions; an inner clip formed with a plurality of first holding portions at an outer circumferential surface of the inner clip; and an outer clip formed with a plurality of second holding portions at an inner circumferential surface of the outer clip. The inner clip and the outer clip are connected to each other so as to hold the wire coil between the first holding portions and the second holding portions. | 05-06-2010 |
20100109457 | WIRING COMPONENT FOR MOTOR COIL - A wiring component for a motor coil includes a wire coil configured by a plurality of wire segments arranged in a circumferential direction so as to form a ring shape, each of the wire segments including an arc-shaped main-body portion made of a conductive wire rod bent in an arc shape, protruding portions formed at both end portions of the main-body portion, and upright portions respectively formed at end portions of the protruding portions in a manner of bending one of end portions of each of the protruding portions so that the upright portions protrude in a direction vertical relative to a planar surface including the main-body portion. The wire coil is arranged to form a plurality of layers, thereby forming a cylindrical shape, and the upright portions, at which the adjacent wire segments contact each other in the circumferential direction thereof, are electrically connected to each other. | 05-06-2010 |
20100244597 | STATOR OF ROTARY ELECTRICAL MACHINE - A stator of a rotary electrical machine includes a core unit configured by a plurality of core assemblies, around which wires are respectively wound to form the coils, including low voltage side terminals, which connect first ends of the coils, and a bus ring attached to the core unit so as to connect second ends of the coils to electricity supply wires by high voltage side terminals. Each terminal accommodating portion is individually formed relative to each of the core assemblies at an external side of the coils. Each of the terminal accommodating portions is filled with an insulating resin material in a state where at least one of a connecting portion of the first end and each of the low voltage side terminals and a connecting portion of the second end and each of the high voltage side terminals is accommodated within each of the terminal accommodating portions. | 09-30-2010 |
20120062077 | DRIVE DEVICE FOR HYBRID VEHICLE AND CASE FOR THE SAME - A drive device for a hybrid vehicle includes an input shaft, a motor having a rotor and a stator, an output shaft integrally and coaxially connected to the rotor along a rotation axis and configured so as to be engaged with and disengaged from the input shaft, a rotation angle sensor including a rotating portion and a fixed portion, which forms an angle relative to the rotating portion, and detecting a rotation angle of the rotor, and a case rotatably and axially supporting the input shaft and the output shaft on the rotation axis and accommodating the motor and the rotation angle sensor, wherein a side wall portion of the case includes an angle adjusting member coaxially supporting the fixed portion relative to the rotation axis while allowing the angle of the fixed portion to be adjustable, and a clamp member supporting a harness movably connected to the fixed portion. | 03-15-2012 |
20120104904 | MOTOR ASSEMBLY, DRIVE DEVICE FOR HYBRID VEHICLE, AND METHOD OF MANUFACTURING THE SAME - A drive device for a hybrid vehicle, the drive device includes: an input shaft and an output shaft, which are supported by a case to be rotatable around a rotation-axis; a motor, which includes a rotor integrally coupled with the output shaft and a stator fixed to the case; an input-side rotation member and an output-side rotation member, which have an annular shape; a rotation angle sensor, which detects a rotation angle of the rotor, wherein the rotation angle sensor includes: a rotating sensor member coupled with the output-side rotation member; and a fixed sensor member fixed to the case to detect an angle between the rotating sensor member and the fixed sensor member; a protrusion, which protrudes in a radial direction; a groove to receive the protrusion to be inserted; and a restriction portion, which restricts relative rotation between the rotating sensor member and the output-side rotation member. | 05-03-2012 |
Patent application number | Description | Published |
20080239812 | NONVOLATILE SEMICONDUCTOR MEMORY SYSTEM - According to an embodiment, a nonvolatile semiconductor memory system includes: a nonvolatile semiconductor memory; and a memory controller having: a memory interface unit that inputs commands to the nonvolatile semiconductor memory and inputs or outputs data between the nonvolatile semiconductor memory; a memory that stores writing information indicating a memory cell transistor that is written the latest in each of the NAND cell units; and a processor that sets a read voltage based on the writing information to readout data from the memory cell transistors connected to a first word line; wherein a row controller is configured to set a plurality of levels of the read voltage to be applied to the first word line, with respect to one threshold for discriminating data stored in a memory cell transistors. | 10-02-2008 |
20090161436 | SEMICONDUCTOR MEMORY DEVICE - The semiconductor memory device related to an embodiment of the present invention including a memory string in which a plurality of memory cells are connected, a bit line connected to an end of the memory string, a power supply circuit which generates a voltage or a current related to an operation state of each memory cell, a sense amplifier which supplies a control voltage or a control current which controls an operation state of each memory cell via the bit line according to the voltage or the current generated in the power circuit, and a transient response adjustment circuit which adjusts the transient response characteristics of the voltage or the current generated in the power supply circuit when the sense amplifier supplies to the bit line the control voltage or the control current which shifts the memory string from a first operation state to a second operation state. | 06-25-2009 |
20100080061 | NONVOLATILE SEMICONDUCTOR MEMORY SYSTEM - According to an embodiment, a nonvolatile semiconductor memory system includes: a nonvolatile semiconductor memory; and a memory controller having: a memory interface unit that inputs commands to the nonvolatile semiconductor memory and inputs or outputs data between the nonvolatile semiconductor memory; a memory that stores writing information indicating a memory cell transistor that is written the latest in each of the NAND cell units; and a processor that sets a read voltage based on the writing information to read out data from the memory cell transistors connected to a first word line; wherein a row controller is configured to set a plurality of levels of the read voltage to be applied to the first word line, with respect to one threshold for discriminating data stored in a memory cell transistors. | 04-01-2010 |
20100195411 | SEMICONDUCTOR MEMORY DEVICE AND FAIL BIT DETECTION METHOD IN SEMICONDUCTOR MEMORY DEVICE - A memory cell array includes a plurality of pages. Each page of the plurality of pages is divided into a plurality of segments, and one segment is constituted of a plurality of bytes. A fail detection circuit receives signals of the plurality of fail bit detection signal lines, and the fail detection circuit collectively detects presence/absence of a fail bit in the memory cell array in units of segments. | 08-05-2010 |
20110267884 | NONVOLATILE SEMICONDUCTOR MEMORY SYSTEM - According to an embodiment, a nonvolatile semiconductor memory system includes: a nonvolatile semiconductor memory; and a memory controller having: a memory interface unit that inputs commands to the nonvolatile semiconductor memory and inputs or outputs data between the nonvolatile semiconductor memory; a memory that stores writing information indicating a memory cell transistor that is written the latest in each of the NAND cell units; and a processor that sets a read voltage based on the writing information to read out data from the memory cell transistors connected to a first word line; wherein a row controller is configured to set a plurality of levels of the read voltage to be applied to the first word line, with respect to one threshold for discriminating data stored in a memory cell transistors. | 11-03-2011 |
20120002469 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device according to an embodiment includes: a memory cell array including a plurality of memory cells selected by word lines and bit lines, each memory cell being capable of storing N-bit data, a set of n-th bits of a plurality of memory cells selected by one of the word lines constituting an n-th physical page, and a predetermined number of the bit lines constituting one column; and a data writing unit that divides each of first to N-th input data of the length of the physical page or less input from the outside into unit data of the length of the column, changes at least a portion of the order of unit data of the first to N-th input data of a predetermined column in the predetermined column before data writing, and performs writing. | 01-05-2012 |
20120250409 | SEMICONDUCTOR MEMORY AND CONTROL METHOD THEREOF - According to one embodiment, a semiconductor memory includes a memory cell array which includes memory cells, the memory cells being arranged along a row direction and a column direction and storing data respectively corresponding to thresholds, a row control circuit which controls a row of the memory cell array, and a column control circuit which includes a control unit, the control unit generating a signal to control elements corresponding to column of the memory cell array in accordance with a pointer corresponding to an external address signal. | 10-04-2012 |
Patent application number | Description | Published |
20100263718 | SOLAR CELL MODULE AND METHOD FOR MANUFACTURING SOLAR CELL MODULE - There is provided a solar cell module including: a wiring substrate having a base material and a wiring formed on the base material; and a solar cell having an electrode electrically connected to the wiring of the wiring substrate, the wiring being electrically connected to the electrode by bringing the wiring into direct contact with the electrode. There is also provided a method for manufacturing the solar cell module. | 10-21-2010 |
20110014725 | METHOD FOR MANUFACTURING SOLAR CELL MODULE - Disclosed is a method for manufacturing a solar cell module in which a wiring substrate having a base material and a wiring formed on the base material, and a plurality of solar cells electrically connected by being placed on the wiring of the wiring substrate are sealed with a sealant, including a first step of placing at least one of the solar cells on the wiring of the wiring substrate, and a second step of sealing the wiring substrate and the solar cells with the sealant, the method including the step of conducting an inspection of the solar cells after the first step and before the second step. | 01-20-2011 |
20120012180 | BACK ELECTRODE TYPE SOLAR CELL, CONNECTING SHEET, SOLAR CELL WITH CONNECTING SHEET, SOLAR CELL MODULE, METHOD OF MANUFACTURING SOLAR CELL WITH CONNECTING SHEET, AND METHOD OF MANUFACTURING SOLAR CELL MODULE - Provided is a back electrode type solar cell in which at least one of the first conductivity type electrode and the second conductivity type electrode is provided with a shape through which a liquid material can flow; a connecting sheet in which at least one of the first conductivity type wire and the second conductivity type wire is provided with a shape through which a liquid material can flow; a solar cell with a connecting sheet using the above-described back electrode type solar cell and/or the connecting sheet; a solar cell module; a method of manufacturing the solar cell with a connecting sheet; and a method of manufacturing the solar cell module. | 01-19-2012 |
20120291846 | BACK CONTACT SOLAR CELL, WIRING SHEET, SOLAR CELL HAVING WIRING SHEET, SOLAR CELL MODULE AND PRODUCTION METHOD FOR SOLAR CELL HAVING WIRING SHEET - A back contact solar cell according to an embodiment of the invention includes an alignment mark ( | 11-22-2012 |
20150255655 | FLEXIBLE PRINTED WIRING BOARD AND PHOTOVOLTAIC MODULE - A flexible printed wiring board includes a first strip-shaped member and a second strip-shaped member each including a conductive part and an insulating part covering the conductive part; and a first connecting member including a conductive part and an insulating part covering the conductive part, the first connecting member connecting a first end of the first strip-shaped member and a first end of the second strip-shaped member to each other. The conductive parts of the first strip-shaped member, the second strip-shaped member, and the first connecting member are continuous with each other. The first strip-shaped member and the second strip-shaped member are capable of being linearly arranged when the first connecting member is bent and the first end of the first strip-shaped member and the first end of the second strip-shaped member face each other. | 09-10-2015 |
20150270418 | SOLAR CELL, CONCENTRATOR PHOTOVOLTAIC UNIT, CONCENTRATOR PHOTOVOLTAIC MODULE, AND METHOD FOR PRODUCING CONCENTRATOR PHOTOVOLTAIC MODULE - Provided is a solar cell for which accurate mutual alignment between a condenser lens and a power generating element corresponding thereto can be performed. | 09-24-2015 |
20160056755 | PHOTOVOLTAIC SYSTEM AND PANEL CLEANING METHOD - This photovoltaic system includes: a support portion; a photovoltaic panel supported by the support portion so as to be able to take an orientation at any angle in each of azimuth and elevation; a drive device configured to change the orientation of the photovoltaic panel; and a control device configured to cause, during power generation, the drive device to drive the photovoltaic panel such that sun light hits the photovoltaic panel, the control device configured to, when executing a cleaning mode, control the drive device such that the photovoltaic panel takes an orientation that facilitates removal of attached substance to a light receiving surface of the photovoltaic panel by use of at least one of natural phenomena including rain, wind, dew condensation, and gravity. | 02-25-2016 |
Patent application number | Description | Published |
20110017281 | SOLAR CELL MODULE AND METHOD FOR MANUFACTURING SOLAR CELL MODULE - The present invention provides a solar cell module in which at least one portion of a wire ( | 01-27-2011 |
20110197951 | SOLAR BATTERY MODULE AND METHOD OF MANUFACTURING THE SAME - A solar battery module includes a wiring substrate having connection wiring on a front surface, a plurality of solar battery cells, a sealant sealing the plurality of solar battery cells mounted on the front surface of the wiring substrate, and a light-transmitting front surface protection material covering the plurality of solar battery cells sealed with the sealant. The plurality of solar battery cells each include a cell substrate and back surface electrodes disposed on a back surface of the cell substrate. The cell substrates are arranged on the front surface of the wiring substrate. The plurality of solar battery cells are mounted on the wiring substrate by electrically connecting the back surface electrodes with the connection wiring. A filler is disposed in at least a portion of a gap between the plurality of solar battery cells. | 08-18-2011 |
20110272006 | SOLAR CELL MODULE AND METHOD FOR MANUFACTURING SOLAR CELL MODULE - A solar cell module and a method for manufacturing a solar cell module are provided. The solar cell module includes an interconnect sheet and a back contact solar cell mounted on the interconnect sheet. Electrodes of the back contact solar cell and interconnects of the interconnect sheet are connected to each other. An electrically insulating cured resin is disposed in a region between interconnects adjacent to each other of the interconnect sheet, the region being located between a semiconductor substrate of the back contact solar cell and an insulating base material of the interconnect sheet. | 11-10-2011 |
20120006380 | SOLAR CELL WITH CONNECTING SHEET, SOLAR CELL MODULE, AND FABRICATION METHOD OF SOLAR CELL WITH CONNECTING SHEET - A method of fabricating a solar cell with a connecting sheet includes a temporary fixing step of bonding at least a portion of a peripheral region of a back electrode type solar cell to a connecting sheet. A method of fabricating a solar cell module includes the step of sealing the solar cell with a connecting sheet obtained by the method on a transparent substrate by a sealing material. A solar cell with a connecting sheet has a first adhesive arranged between a back electrode type solar cell and a connecting sheet, and a second adhesive arranged at least a portion of a peripheral region of the back electrode type solar cell to bond a back electrode type solar cell with a connecting sheet. A solar cell module has the solar cell with a connecting sheet sealed on a transparent substrate by a sealing material. | 01-12-2012 |
20140352766 | SOLAR CELL MODULE - According to one embodiment, a solar cell module includes: a casing including a wall; a box made of a resin and attached to the casing, the box including a terminal accommodating part; a cable configured to connect an external part, an end part of the cable introduced to the box; and a terminal fitting, accommodated in the terminal accommodating part, the terminal fitting connected to the cable and an output conductor, wherein: the wall is formed with a first opening for attaching the box from an outer surface side; the terminal accommodating part is formed with a second opening at a position opposed to the wall; and the second opening faces an inner part of the casing through the first opening when the box is attached to the casing. | 12-04-2014 |
20140377902 | SOLAR CELL WITH CONNECTING SHEET, SOLAR CELL MODULE, AND FABRICATION METHOD OF SOLAR CELL WITH CONNECTING SHEET - A method of fabricating a solar cell with a connecting sheet includes a fixing step of bonding at least a portion of a peripheral region of a back electrode type solar cell ( | 12-25-2014 |
20150027510 | CONCENTRATOR PHOTOVOLTAIC MODULE, CONCENTRATOR PHOTOVOLTAIC PANEL, AND FLEXIBLE PRINTED CIRCUIT FOR CONCENTRATOR PHOTOVOLTAIC MODULE - A concentrator photovoltaic module including: a flexible printed circuit provided in contact with a bottom surface of a housing; and a primary concentrating portion formed by a plurality of lens elements being arranged, each lens element concentrating sunlight, wherein the flexible printed circuit includes: an insulating base material and a conductive pattern; a plurality of power generating elements provided on the pattern, so as to correspond to the lens elements, respectively; a cover lay as a covering layer having insulating property and a low water absorption not higher than a predetermined value, the cover lay covering and sealing a conductive portion including the pattern on the insulating base material; and an adhesive layer having insulating property and a low water absorption not higher than the predetermined value, the adhesive layer bonding the insulating base material and the covering layer together. | 01-29-2015 |
Patent application number | Description | Published |
20080247614 | BIOMETRIC INFORMATION OBTAINING APPARATUS - The apparatus enables a user to recognize the way he is moving his finger with respect to, for example, a sweep-type fingerprint sensor so that the user can easily and surely learn an appropriate way the finger (body part) should be moved. A velocity detecting means detects a velocity at which the body part moves with respect to a sensor, and an image generating means generates an arbitrary pattern, of which a portion corresponding to a position where the body part is located when the movement velocity is detected is altered according to the detected movement velocity, and the generated pattern is shown on a display. | 10-09-2008 |
20090232368 | AUTHENTICATION APPARATUS - An authentication apparatus is provided. A forgery determination threshold is determined on the basis of two types of parameters, a forgery similarity and a forgery difficulty. If a calculated value for an object under test is lower than or equal to the forgery determination threshold, then, it is determined that the object is a biologic object. Thus, easiness in impersonation with a fake of a biologic object that is easy to forge may be reduced, and a false rejection due to a determination in which a biologic object is erroneously determined as a fake may be reduced. | 09-17-2009 |
20090279742 | IMAGE READING APPARATUS, IMAGE READING PROGRAM, AND IMAGE READING METHOD - An image reading apparatus includes a fingerprint sensor that acquires a plurality of first images obtained by successively reading the portions of a relatively moving object, an extrapolation section that extrapolates the plurality of first images to generate a plurality of second images obtained by extending the image area of the first image, and a relative position detection section that calculates the relative position between the plurality of images or the plurality of second images based on a plurality of images including at least the plurality of first images or the plurality of second images. | 11-12-2009 |
20100002914 | BIOMETRIC INFORMATION READING DEVICE AND BIOMETRIC INFORMATION READING METHOD - A biometric information reading device includes an image capturing unit that sequentially captures a plurality of partial images about biometric information, an image feature extracting unit that extracts an image feature from each of the partial images and a position of the image feature, a matching relative position detecting unit that determines whether a relative distance between two successive partial images among the partial images is equal to or smaller than a threshold value, based on the image feature of an overlapping region between the two successive partial images, and a partial image output determining unit that determines to output at least two successive partial images as one set, determines not to output a partial image that is input after the partial images as the one set when the matching relative position detecting unit determines that a relative distance of the partial image from one of the partial images as the one set is equal to or smaller than the threshold value, and determines to output at least two successive partial images as another set including a partial image that is input after the partial images as the one set when the matching relative position detecting unit determines that a relative distance of the partial image from one of the partial images as the one set is not equal to or smaller than the threshold value. | 01-07-2010 |
20100266169 | BIOMETRIC INFORMATION OBTAINMENT APPARATUS, BIOMETRIC INFORMATION OBTAINMENT METHOD, COMPUTER-READABLE RECORDING MEDIUM ON OR IN WHICH BIOMETRIC INFORMATION OBTAINMENT PROGRAM IS RECORDED, AND BIOMETRIC AUTHENTICATION APPARATUS - A biometric information sensing apparatus, including a width detection device that detects a width of a biometric part in a biometric information image collected by a collection device that collects the biometric information image of the biometric part; a narrowing position detection device that detects a narrowing position of the biometric part in the biometric information image on the basis of the width; an orientation information obtainment device that obtains orientation information related to the biometric part in the biometric information image; and a determination device that determines a collection status of the biometric information image on the basis of the orientation information near the narrowing position. | 10-21-2010 |
20120189170 | BIOMETRIC AUTHENTICATION DEVICE, METHOD OF CONTROLLING BIOMETRIC AUTHENTICATION DEVICE AND NON-TRANSITORY, COMPUTER READABLE STORAGE MEDIUM - A biometric authentication device includes a storage unit that stores a plurality of pieces of reference biometric data, an identification control unit that extracts reference biometric data where a coefficient for determining a similarity to acquired biometric data is greater than or equal to a first threshold value, a similar region extraction unit that obtains coefficients for determining similarities between the plural pieces of extracted reference biometric data, in units of predetermined regions, and extracts a similar region where the coefficient for similarity determination is greater than or equal to a second threshold value when a plurality of pieces of reference biometric data are extracted by the identification control unit, and a judgment unit that weights a coefficient for determining a similarity to a dissimilar region, compared with the coefficient for determining a similarity to the extracted similar region, and judging the degree of similarity. | 07-26-2012 |
20120189171 | BIOMETRIC INFORMATION PROCESSING APPARATUS, BIOMETRIC INFORMATION PROCESSING METHOD, AND BIOMETRIC INFORMATION PROCESSING COMPUTER PROGRAM - A biometric information processing apparatus includes: a biometric information acquiring unit which acquires a user's biometric information and generates a biometric input image representing the biometric information; and a processing unit. The processing unit implements: generating a first intermediate image by applying first image processing to the biometric input image; generating a second intermediate image by applying second image processing to the biometric input image; detecting, from each of the first and second intermediate images, a singular point candidate; calculating a distance between the singular point candidates detected from each of the first and second intermediate images for the same singular point contained in the biometric information; calculating a quality metric for the biometric input image based on the distance; and if the quality metric is not higher than a predefined threshold value, then prompting the user to have the user's biometric information reacquired by the biometric information acquiring unit. | 07-26-2012 |
20120195475 | BIOMETRIC INFORMATION PROCESSING APPARATUS, BIOMETRIC INFORMATION PROCESSING METHOD, AND BIOMETRIC INFORMATION PROCESSING COMPUTER PROGRAM - A biometric information processing apparatus includes: a biometric information acquiring unit which acquires biometric input data representing a user's biometric input information; and a processing unit. The processing unit executes: extracting a feature quantity characterizing a feature of the biometric information from the biometric input information; classifying, based on the extracted feature quantity, the biometric input information into at least one of a plurality of classes categorized according to common features of biometric information, computing a confidence level for each class into which the biometric input information has been classified; judging whether or not a maximum value of the confidence level is larger than a threshold value predefined for the class corresponding to the maximum value among the plurality of classes; and, if the maximum value is not larger than the threshold value, prompting the user to have the user's biometric information reacquired. | 08-02-2012 |
20120250949 | CAPACITIVE SENSOR AND BIOMETRIC IMAGE GENERATING METHOD - A capacitive sensor includes a plurality of electrodes each of which outputs an electrical signal corresponding to a capacitance determined by a distance between a surface of the capacitive sensor and an electrical conductor. The plurality of electrodes include electrodes having a first parasitic capacitance and electrodes having a second parasitic capacitance different from the first parasitic capacitance, and are arranged in a prescribed pattern different than a pattern of biometric information of a body part to be read by the capacitive sensor. | 10-04-2012 |
20130004031 | BIOMETRIC INFORMATION PROCESSING APPARATUS, METHOD, AND RECORDING MEDIUM - A biometric information processing apparatus, a method for processing biometric information, and a biometric information processing program are provided for analyzing biometric information that is obtained by combining and reconstructing two or more captured partial biometric images, and a mismatching region is extracted from the combined biometric image. Then, a mismatching region is excluded from the biometric image, and a proper region suitable for identification is extracted. Accordingly, false rejection or the like may be avoided. Moreover, the reliability of biometric identification may be improved, and the number of times of asking a user to reinput his/her biometric information may be reduced. Hence, the convenience is enhanced. | 01-03-2013 |
20130004032 | IDENTIFICATION APPARATUS, IDENTIFICATION METHOD, AND PROGRAM - An identification apparatus includes a classification unit that determines two or more classes into which input biometric data is classified out of a plurality of classes based on features of the input biometric data, where a plurality of items of registered biometric data have been classified into at least one of the plurality of classes, a calculation unit that calculates similarity between the input biometric data and each item of the registered biometric data registered in each of the two or more classes into which the input biometric data is classified, and an identification unit that identifies data on a user who has entered the input biometric data among the registered biometric data registered in any of the two or more classes into which the input biometric data is classified, based on the similarity to the input biometric data. | 01-03-2013 |
20130142405 | BIOMETRIC AUTHENTICATION DEVICE, BIOMETRIC AUTHENTICATION METHOD AND COMPUTER PROGRAM FOR BIOMETRIC AUTHENTICATION, AND BIOMETRIC INFORMATION REGISTRATION DEVICE - A biometric authentication device including: a biometric information acquiring unit which generates a biometric input image representing user's biometric input information; and a processing unit. The processing unit extracts, for each block obtained by dividing the biometric input image, a local feature representing the geometric feature of the biometric input information; classifies the plurality of blocks into a plurality of groups by blocks with a similar local feature; extracts a second group feature representing feature of biometric input information for each group; calculates the degree of difference between each of registered biometric information and the biometric input information based on a first group feature for each group set for a registered biometric image representing the registered biometric information and the second group feature; selects a prescribed number of registered biometric information based on the degree of the difference; and matches the selected registered biometric information with the biometric input information. | 06-06-2013 |
20130263282 | BIOMETRIC AUTHENTICATION DEVICE, BIOMETRIC AUTHENTICATION SYSTEM, BIOMETRIC AUTHENTICATION METHOD, AND RECORDING MEDIUM - A biometric authentication device includes a processor to execute an operation including: obtaining biometric information from a user; creating verification characteristic data from the biometric information; verifying registered characteristic data registered in a storage device with the verification characteristic data and determining whether the user is a true user; permitting execution of re-authentications up to a predetermined number of times when the user is determined to not be the true user; managing the verification characteristic data by storing the verification characteristic data in an existing group or by creating a new group and storing the verification characteristic data therein, when the user is determined to not be the true user; determining whether the user is a false user based on the number of groups; and limiting the execution of re-authentications by the user when the user is determined to be the false user. | 10-03-2013 |
20130329967 | BIOMETRIC AUTHENTICATION DEVICE, BIOMETRIC AUTHENTICATION METHOD AND COMPUTER PROGRAM FOR BIOMETRIC AUTHENTICATION - A biometric authentication device including: a biometric information acquiring unit which generates a plurality of partial images, each of the partial images capturing a portion of biometric information of a user different from each other; a correlation value calculation unit which calculates the correlation value between a portion of biometric information represented on one partial image and registered biometric information; a partial similarity update unit which, based on the correlation value for the one partial image and the correlation value for at least one other partial image acquired before the one partial image, updates partial similarity representing the degree of similarity between the registered biometric information and portions of biometric information represented on the one partial image and the at least one other partial image; an authentication unit which authenticates, when the partial similarity is equal to or higher than an authentication judging threshold, the user as the registered user. | 12-12-2013 |
20140016839 | BIOMETRIC AUTHENTICATION DEVICE - A biometric authentication device, inputs biometric information such as a fingerprint, extracts feature information included in the biometric information, calculates the degree of reliability of the biometric information on the basis of the feature information, obtains a classification of the biometric information on the basis of the feature information, calculates the degree of reliability of the obtained classification, determines whether or not to execute an identification process between the input biometric information and biometric information enrolled in a storage unit on the basis of the degree of reliability of the biometric information and of classification, further determines whether or not a re-input process of the biometric information is needed, executes an identification process for the biometric information when it is determined that the identification process is needed, and issues a re-input instruction for the biometric information when it is determined that the re-input process is needed. | 01-16-2014 |
20140020090 | BIOMETRIC AUTHENTICATION SYSTEM, BIOMETRIC AUTHENTICATION METHOD, AND RECORDING MEDIUM - A biometric authentication system ( | 01-16-2014 |
20140301615 | NARROW DOWN DATA CREATING METHOD AND NARROW DOWN DATA CREATING DEVICE - A client terminal acquires an image that includes at least a part of a fingerprint, and detects an orientation of a ridge that forms the fingerprint from the image, and detects a singular point of the fingerprint from the image, and calculates an angle formed, on a circumference of a reference circle whose center is the singular point, by the orientation of the ridge and the direction of a tangent line that comes into contact with the reference circle, and creates narrow down data that is used to narrow down matching data that is used to match the fingerprint by associating the angle with a position on the circumference of the reference circle. | 10-09-2014 |
20150252980 | ILLUMINATION DEVICE AND BIOMETRIC AUTHENTICATION APPARATUS - An illumination device includes a light source provided on a surface of a substrate and configured to emit light, and a diffraction optical element having a plurality of diffraction gratings with different pitch and rotating direction, and configured to diffract the light into illumination light that illuminates an illumination region of an illuminating target. The illuminating region is larger than an area occupied by the diffraction optical element and the light source provided on the surface of the substrate. | 09-10-2015 |
20150332035 | BIOMETRIC DATA DETECTION DEVICE - A biometric data detection device includes a biometric authentication sensor electrically connected to a data processing terminal through a connecting member, a housing that houses the biometric authentication sensor, a window portion that acquires biometric data to be authenticated by the biometric authentication sensor and that is formed in the housing, and an attachment member that is rotatably provided at the housing and that renders the housing rotatable in a state in which the housing is attached to the data processing terminal. | 11-19-2015 |
20160088203 | ILLUMINATION DEVICE AND BIOMETRIC AUTHENTICATION APPARATUS - An illumination device includes M light sources provided on a surface of a substrate, a diffraction optical element configured to diffract light from the M light sources to irradiate N illuminating areas into which an illuminating region is segmented, and a control unit. The control unit turns on L=M/N light sources of each of first through Nth light source groups during first through Nth time intervals, respectively, and successively irradiates the light from the on L light sources of the first through Nth light source groups in time division onto first through N illuminating areas forming the illuminating region, where M and N are natural numbers greater than or equal to 2, and L is a natural number greater than or equal to 1. | 03-24-2016 |