Patent application number | Description | Published |
20090245871 | ROTARY MEMBER DRIVING APPARATUS - A rotary member apparatus includes a main drive unit configured to apply a driving torque to a photosensitive drum through a drive transfer unit, a torque limiter configured to limit the driving torque transmitted from the main drive unit to the photosensitive drum, a compensation drive unit configured to apply a torque for adjusting an angular velocity of the photosensitive drum, an encoder configured to detect the angular velocity of the photosensitive drum, and a compensation drive controller configured to control the torque applied by the compensation drive unit on the basis of a detection result obtained by the encoder. | 10-01-2009 |
20090304426 | IMAGE CONVEYANCE UNIT, INTERMEDIATE TRANSFER UNIT, ELECTROSTATIC TRANSFER UNIT, AND IMAGE FORMING APPARATUS - A belt cover is configured to approach an intermediate transfer belt when an intermediate transfer portion retracts from a photosensitive drum. This allows the space required for the retraction of the belt cover to be made smaller when the intermediate transfer portion retracts from the photosensitive drum. Therefore, a color printer body can be made more compact. | 12-10-2009 |
20100158551 | IMAGE-FORMING APPARATUS - An image-forming apparatus includes an image-bearing member configured to bear an image, a transfer belt to which the image on the image-bearing member is transferred and configured to transfer the image onto a sheet, a first drive unit configured to drive the image-bearing member to rotate, a second drive unit configured to drive the transfer belt to rotate via a speed reduction member interposed therebetween, a detection unit configured to detect a circumferential speed of the transfer belt, and a control unit configured to control the first drive unit in accordance with the circumferential speed of the transfer belt detected by the detection unit. | 06-24-2010 |
20100303513 | IMAGE FORMING APPARATUS - An image forming apparatus includes a rotatable belt member; a stretching roller for stretching the belt member; a plurality of line-like marks which are arranged in a rotational direction of the belt member and are formed stepwisely on a surface of the belt member; the marks being tilted from a rotational axis direction of the belt member at least at end portions thereof on sides close to an end surface of the belt member; and control means for controlling rotation of the belt member on the basis of a result of detection of the marks. | 12-02-2010 |
20130195503 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a first unit including an image forming unit for forming an image on a recording material; a first supporting portion for supporting the first unit at three points consisting of a first foot provided adjacent to a side of a bottom of the first unit, a second foot, and a third foot provided adjacent to an opposite side of the bottom; a second unit provided below the first unit; a second supporting portion, provided at a bottom of the second unit, for supporting the second unit by at least four foots; and a connecting portion for connecting the first unit and the second unit with respect to an up-down direction so that the opposite side of the bottom of the first unit is inclined depending on inclination of the side of the bottom of the first unit with respect to a horizontal surface. | 08-01-2013 |
20140334856 | BELT DRIVING APPARATUS AND IMAGE FORMING APPARATUS - A belt driving apparatus is configured so as to satisfy a relationship μ | 11-13-2014 |
Patent application number | Description | Published |
20150022931 | OVERCURRENT PROTECTION APPARATUS - An overcurrent protection apparatus that is connectable to a battery control unit to protect the battery control unit from an overcurrent. The overcurrent protection apparatus includes a fuse member that is provided with a fuse and a fusible wire that is connected in series to the fuse. The fusible wire is made of a conductor that has a melting point lower than that of copper, and has a fusing current value that is higher than that of the fuse. The fuse member is connected in series to the battery control unit. | 01-22-2015 |
20150228942 | ELECTRICITY STORAGE MODULE - An electricity storage module is provided with a stack formed by stacking a plurality of electricity storage elements having positive and negative lead terminals that protrude outward from end portions. Differently polarized lead terminals of adjacent electricity storage elements are bent in opposite directions and connected by superimposing and welding the end portions thereof. | 08-13-2015 |
20150236387 | ELECTRICAL STORAGE MODULE - An electricity storage module includes a stack, holder members, and heat-transfer plate members. The stack is formed by stacking power storage elements having lead terminals protruding outward from end portions. The holder members are made of insulating resin and are attached to the end portions of the power storage elements, the holder members holding the power storage elements. The heat-transfer plate member are disposed between power storage elements adjacent in a stacking direction, the heat-transfer plate members made of heat conductive material. An engaging portion is provided on one of the holder members and the heat-transfer plate members, and an engaged portion arranged to be engaged by the engaging portion is provided on the other of the bolder members and the heat-transfer plate members. The holder members and the heat-transfer plate members are integrated by mutual engagement of the engaging portions and the engaged portions. | 08-20-2015 |
20150243450 | ELECTRICITY STORAGE MODULE - A electricity storage module is provided with a stack formed by stacking a plurality of electricity storage elements having positive and negative lead terminals that protrude outward from end portions thereof and insulating holder members made of an insulating material for holding the electricity storage elements. A connecting portion formed by connecting different polarized lead terminals of adjacent electric cells is disposed in a position shifted from other connecting portions than that connecting portion as seen from the stacking direction of the stack, and the insulating holder members are provided with windows that correspond to the connecting portions. | 08-27-2015 |
Patent application number | Description | Published |
20080202205 | METHOD FOR PRODUCING GAS SENSOR - A solid electrolyte body is placed on and fixed to an upper plate of a press jig such that a major surface (an upper surface) of the solid electrolyte body faces one major surface of a guide plate having a through-hole. The upper plate is rotated by a transfer mechanism to incline the solid electrolyte body in one direction, and the inclined solid electrolyte body is moved toward the other major surface of the guide plate such that a first edge of the solid electrolyte body protrudes from the through-hole. Then, a cutter is slid along the other major surface, so that the first edge is chamfered to form a first chamfered portion. | 08-28-2008 |
20080302661 | GAS SENSOR - A gas sensor contains a sensor element for detecting the concentration of a particular gas component in a measurement gas and a housing for supporting the sensor element inside, and the sensor element has a rectangular solid structure of a solid electrolyte body containing a ceramic material. In the gas sensor, four edges of the solid electrolyte body are beveled over the entire length thereof to form eleventh to fourteenth chamfered portions corresponding to the four edges. | 12-11-2008 |
20090120791 | GAS SENSOR AND NITROGEN OXIDE SENSOR - A gas sensor and nitrogen oxide sensor, which, when fitted to the exhaust system of an internal combustion engine, can suppress the influence of harmful substances contained in a measurement gas and can prevent the reduction in sensitivity over time. A harmful substance-trapping layer is formed at a gas inlet for introducing a to-be-measured gas from an external space into an internal space, and in a buffering space formed between diffusion resistance portions. In a trap-formed portion of a gas passage in which the harmful substance-trapping layer is formed, the measurement gas can pass in an amount of 80% or more of when the harmful substance-trapping layer is not formed in the trap-formed portion. A diffusion resistance is attained in the diffusion resistance portions; a harmful substance is trapped in the harmful substance-trapping layer; and the measurement gas is allowed to flow into a detection electrode side. | 05-14-2009 |
20090205193 | GAS SENSOR ELEMENT TREATMENT METHOD - A gas sensor element is heated at a temperature of 500° C. or higher for 15 minutes or more in a treatment atmosphere containing one or more gases selected from the gas group consisting of nitrogen (N | 08-20-2009 |
20130122441 | GAS SENSOR ELEMENT TREATMENT METHOD - A gas sensor element is heated at a temperature of 500° C. or higher for 15 minutes or more in a treatment atmosphere containing one or more gases selected from the gas group consisting of nitrogen (N | 05-16-2013 |
Patent application number | Description | Published |
20120065372 | DRAGLINE PROTEIN - To provide a new natural fiber material with excellent physical properties. Any one of the following nucleic acids (a) to (d): (a) a nucleic acid having a base sequence of SEQ ID NO: 1 or 19; (b) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2 or 20; (c) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (a); (d) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (a) under stringent conditions. | 03-15-2012 |
20120065375 | RECOMBINANT ORGANISM AND PROTEIN PRODUCED BY THE RECOMBINANT ORGANISM - The present invention relates to a recombinant organism having any one of nucleic acids (i) to (iv) introduced therein: (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions. | 03-15-2012 |
20120276590 | RECOMBINANT SILKWORM AND SILKWORM PROTEIN COMPRISING HETEROLOGOUS PROTEIN PRODUCED BY THE RECOMBINANT SILKWORM - The present invention relates to a recombinant organism having any one of nucleic acids (i) to (iv) introduced therein: (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions. | 11-01-2012 |
20130178602 | NUCLEIC ACID ENCODING A SILK PROTEIN AND A METHOD OF PRODUCING A SILK THREAD USING SAME - Disclosed are a protein encoded by any one of nucleic acids (i) to (iv): (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions, and a silk thread containing the protein. | 07-11-2013 |
20130267682 | DRAGLINE PROTEIN - To provide a new natural fiber material with excellent physical properties. Any one of the following nucleic acids (a) to (d): (a) a nucleic acid having a base sequence of SEQ ID NO: 1 or 19; (b) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2 or 20; (c) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (a); (d) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (a) under stringent conditions. | 10-10-2013 |
Patent application number | Description | Published |
20140072204 | DEFECT CLASSIFICATION METHOD, AND DEFECT CLASSIFICATION SYSTEM - In automatic defect classification, a classification recipe must be set for each defect observation device. If a plurality of devices operate at the same stage, the classification class in the classification recipes must be the same. Problems have arisen whereby differences occur in the classification class in different devices when a new classification recipe is created. This defect classification system has a classification recipe storage unit; an information specification unit, the stage of a stored image, and device information. A corresponding defect specification unit specifies images of the same type of defect from images obtained from different image pickup devices at the same stage. An image conversion unit converts the images obtained from the different image pickup devices at the same stage into comparable similar images; and a recipe update unit records the classification classes in the classification recipes corresponding to the specified images of the same type of defect. | 03-13-2014 |
20140177940 | RECIPE GENERATION APPARATUS, INSPECTION SUPPORT APPARATUS, INSPECTION SYSTEM, AND RECORDING MEDIA - A desired area is extracted by directly analyzing information recorded in a design layout, an inspection recipe is generated by using this extraction method, and an efficient inspection is realized. The invention makes it easy to extract an area of a desired circuit module such as a memory mat by analyzing hierarchy information of design layout data, calculating reference frequency of each one cell in the design layout data that is its internal data, sorting the cells in order of increasing reference frequency, searching the object, and tracing its upper cell. | 06-26-2014 |
20140198975 | REGION-OF-INTEREST DETERMINATION APPARATUS, OBSERVATION TOOL OR INSPECTION TOOL, REGION-OF-INTEREST DETERMINATION METHOD, AND OBSERVATION METHOD OR INSPECTION METHOD USING REGION-OF-INTEREST DETERMINATION METHOD - The present invention aims at efficiently determining the partial regions to be inspected with high sensitivity and measured with high accuracy. | 07-17-2014 |
20140219546 | Method and Apparatus for Reviewing Defect - A method for reviewing defect, comprising the steps of: as an image acquisition step, imaging a surface of a sample using arbitrary image acquisition condition selected from a plurality of image acquisition conditions and obtaining a defect image; as a defect position calculation step, proceeding the defect image obtained by the image acquisition step and calculating a defect position on the surface of the sample; as a defect detection accuracy calculation step, obtaining a defect detection accuracy of the defect position calculated by the defect position calculation step; and as a conclusion determination step, determinating whether the defect detection accuracy obtained by the defect detection accuracy calculation step meets a predetermined requirement or not; wherein until it is determined that the defect detection accuracy obtained by the defect detection accuracy calculation step meets a predetermined in the conclusion determination step, the image acquisition condition is selected from the plurality of image acquisition conditions once again and the image acquisition step, the defect position calculation step, the defect detection accuracy calculation step and the conclusion determination step are repeated. | 08-07-2014 |
20140331173 | GUI, CLASSIFICATION APPARATUS, CLASSIFICATION METHOD, PROGRAM, AND STORAGE MEDIUM STORING THE CLASSIFICATION PROGRAM - Provided is a GUI including: an unadded pane region that hierarchically displays folders which are sets of images having no class information added thereto; an image pane region that displays the images displayed in the unadded pane region, the displayed images having no classification added thereto; and a class pane region that displays images having classification added thereto, wherein by externally inputting class information for one image having the class information added thereto, the input class information is displayed. | 11-06-2014 |
20140375793 | METHOD FOR MEASURING OVERLAY AND MEASURING APPARATUS, SCANNING ELECTRON MICROSCOPE, AND GUI - A method for measuring overlay at a semiconductor device on which circuit patterns are formed by a plurality of exposure processes is characterized in including an image capturing step for capturing images of a plurality of areas of the semiconductor device, a reference image setting step for setting a reference image based on a plurality of the images captured in the image capturing step, a difference quantifying step for quantifying a difference between the reference image set in the reference image setting step and the plurality of images captured in the image capturing step, and an overlay calculating step for calculating the overlay based on the difference quantified in the difference quantifying step. | 12-25-2014 |
20150060667 | CHARGED PARTICLE BEAM APPARATUS - In a pattern inspection of a semiconductor circuit, to specify a cause of a process defect, not only a distribution on and across wafer of the number of defects but also more detailed, that is, the fact that how many defects occurred where on the semiconductor pattern is needed to be specified in some cases. Accordingly, the present invention aims to provide an apparatus capable of easily specifying a cause of a process defect based upon a positional relationship of a distribution of defect occurrence frequency and a pattern. The apparatus includes: a charged particle beam optical system for detecting secondary charged particles by irradiating the charged particle beam to the sample; an image processing unit for, based upon a plurality of images to be inspected that are obtained by the secondary charged particles, obtaining an occurrence frequency of defect candidates for each of predetermined regions inside the detected image; and a display unit for displaying the distribution of the occurrence frequency of the defect candidates so that a positional relationship to the pattern is recognized. | 03-05-2015 |
20150139531 | DEFECT ANALYSIS ASSISTANCE DEVICE, PROGRAM EXECUTED BY DEFECT ANALYSIS ASSISTANCE DEVICE, AND DEFECT ANALYSIS SYSTEM - Conventionally, there was no method for automatically selecting the layers to be overlaid, so when the number of layers to be overlaid was large, there was a problem that much time was required for selecting the layers. It is an object of the present invention to provide a defect image analysis method capable of specifying patterns and layers in which a defect occurs by overlaying defect images to be analysis targets and design layout data, and a defect image analysis system capable of improving the efficiency to select the layers from the design layout data. The present invention is characterized in dividing analysis target images for each hierarchy corresponding to a manufacturing process and generating a plurality of layers; calculating a degree of matching between each of the layer division images and each design layer of the design layout data; and specifying a design layer with a highest degree of matching of the each design layer as a design layer corresponding to the layer division image. | 05-21-2015 |
20150302568 | Defect Observation Method and Defect Observation Device - Cases in which defects are analyzed in a manufacturing process stage in which a pattern is not formed or in a manufacturing process in which a pattern formed on a lower layer does not appear in the captured image are increasing. However, in these cases, there is a problem of not being able to synthesize a favorable reference image and failing to detect a defect when a periodic pattern cannot be recognized in the pattern. In the present invention, a defect occupation rate, which is the percentage of an image being inspected occupied by a defect region, is found, it is determined whether the defect occupation rate is higher or lower than a threshold, and, in accordance with the determination results, it is determined whether to create, as the reference image, an image comprising pixels having the average luminance value of the luminance values of a plurality of pixels contained in the image being inspected. In particular, when the defect occupation rate is low, an image comprising pixels having the average luminance value of the luminance values of a plurality of pixels contained in the image being inspected is used as the reference image. | 10-22-2015 |
20150332445 | DEFECT OBSERVATION METHOD AND DEFECT OBSERVATION DEVICE - The purpose of the present invention is to easily extract, from samples to be observed, defect candidates that can be labeled as a defect or “nuisance” (a part for which a manufacturing tolerance or the like is erroneously detected) and to allow parameters pertaining to observation processing to be easily adjusted. This defect observation method comprises: an imaging step to image, on the basis of defect information from an inspection device, an object to be inspected and obtain a defect image and a reference image corresponding to the defect image; a parameter determining step to determine a first parameter to be used in the defect extraction by using a first feature set distribution acquired from the reference image and the defect image captured in the imaging step and a second feature net distribution acquired from the reference image; and an observing step to observe using the first parameter determined in the parameter determining step. The present invention can be applied to a method of observing defects generated during the manufacturing of semiconductor wafers. | 11-19-2015 |
Patent application number | Description | Published |
20080277210 | VEHICLE BRAKING SYSTEM - A vehicle braking system that includes an interior space for accommodating a plurality of rotational friction plates and a plurality of fixed friction plates. The interior spaced is formed by a brake housing and a wheel hub, and lubrication oil for lubricating the plurality of rotational friction plates and the plurality of fixed friction plates is contained within the interior space. The brake housing includes a projection, or projection portion, which projects closer to center of an axle, along a longitudinal axis of the axle, than innermost surfaces of the rear wheels. In one arrangement, the projecting portion is located below the axle. In addition, one or more cooling fins can be provided on a surface of the projecting portion. Furthermore, in some arrangements, a space within the projecting portion projects closer to center of an axle, along a longitudinal axis of the axle, than innermost surfaces of the rear wheels. | 11-13-2008 |
20080283344 | VEHICLE BRAKING SYSTEM - A vehicle braking system that eases assembly of a plurality of rotational friction plates and a plurality of fixed friction plates to a system body. The braking system can include a plurality of rotational friction plates and a plurality of fixed friction plates assembled on a periphery of an annular member such that each of the fixed friction plates is positioned between a pair of the rotational friction plates. A retaining member, such as a circlip, is engaged with each end of the annular member for preventing the rotational friction plates and the fixed friction plates from becoming disengaged with the annular member by axial movement. In addition, outer fixed friction plates can be positioned on each end of the collection of rotational friction plates and fixed friction plates. Pins can be extended through the outer fixed friction plates and retaining members, such as circlips are provided on respective ends of the pins to permit limited relative movement of the outer friction plates relative to one another in the axial direction. | 11-20-2008 |
Patent application number | Description | Published |
20120074638 | SHEET CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS - A sheet conveyance device includes an upstream rotary member and a downstream rotary member; an endless rotatable conveyance belt, stretched over the upstream rotary member and the downstream rotary member, to convey a sheet of recording media thereon in a predetermined conveyance direction; a conveyance guide disposed downstream of the conveyance belt in the predetermined conveyance direction, disposed across a gape from the conveyance belt, to guide the sheet to a predetermined conveyance position; and a guide member to introduce the sheet into a gap between the conveyance belt and the conveyance guide and onto the conveyance belt, so that the sheet is conveyed from the downstream rotary member to the upstream rotary member. | 03-29-2012 |
20130241146 | DEVICE FOR CORRECTING AN EDGE PORTION OF A SHEET MATERIAL AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - Disclosed is a device for correcting an edge portion of a sheet material, including a first roller provided in a sheet material conveying path, a second roller including a center shaft and side rollers provided at both sides thereof, the center shaft having an outer diameter less than a minimum diameter of the side rollers, each of the side rollers having an outer diameter increasing from a center side to an outer side thereof, and a pressing unit configured to cause the second roller to bend toward the first roller to press the side rollers of the second roller against the first roller. | 09-19-2013 |
20130320616 | PRINTING MEDIUM CONVEYING DEVICE AND IMAGE FORMING APPARATUS - The present device includes a conveying path, a contact member coming in contact with the front of a printing medium to stop the conveyance of the medium, a hold member holding the front of the medium having contacted with the contact member, a first conveying unit conveying the medium so as to abut the contact member to form slack on the medium between itself and the hold member holding the medium, and a second conveying unit being provided nearer to the hold member than the first conveying unit in the conveying direction and conveying the medium so as to abut the contact member to form the slack. The second conveying unit is movable so that a part thereof existing on the side where the slack is formed on the medium in the conveying path is moved to the outside of the conveying path. | 12-05-2013 |
20140327207 | SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND METHOD OF CONVEYING A SHEET IN THE IMAGE FORMING APPARATUS - A sheet conveying device, which is incorporated in an image forming apparatus, includes a fixing device to fix an image to a sheet, a holding/conveying belt device having a plurality of belts to sandwich and convey the sheet to a downstream side from the fixing device, and a first sheet detector to detect whether the sheet exists in the belt device. When the sheet is detected at a paper jam, the fixing device and the belt device are continuously driven. When not detected, driving of the fixing device and the belt device is stopped. A method of conveying the sheet includes detecting the paper jam in the image forming apparatus, detecting the sheet in the belt device or between the fixing device and the belt device, and continuing at least one of the belt device and the fixing device based on a sheet detection result. | 11-06-2014 |
Patent application number | Description | Published |
20110176955 | HEAT-RESISTANT MAGNESIUM ALLOY - A heat-resistant magnesium alloy according to the present invention has Mg as the major component, includes Al, Ca and Mg, and has a metallic structure that comprises Mg crystalline grains and grain-boundary crystallized substances being crystallized out in a grain boundary between the Mg crystalline particles. The grain-boundary crystallized substances comprise a mixed crystal phase of a Laves-phase compound with a type-“C14” crystalline structure, and another Laves-phase compound with a type-“C36” crystalline structure. Moreover, a relative angle between a normal vector to the hexagonal-system basal plane of the Mg crystalline grains and another normal vector to the hexagonal-system basal plane of the grain-boundary crystallized substances is from 88 deg. to 92 deg. at an interface between the Mg crystalline grains and the grain-boundary crystallized substances at least. The present magnesium alloy exhibits high mechanical characteristics in high-temperature atmospheres, because it has the metallic structure in which a basal-plane slip is much less likely to occur than ever before, and because the basal-plane slip is less likely to occur even at high temperatures. | 07-21-2011 |
20150147658 | SILICON-CONTAINING MATERIAL AND SECONDARY-BATTERY ACTIVE MATERIAL INCLUDING SILICON-CONTAINING MATERIAL - Providing a silicon-containing material having a novel structure being distinct from the structure of conventional silicon oxide disproportionated to use. | 05-28-2015 |
20150307362 | NANOMETER-SIZE SILICON MATERIAL AND NEGATIVE-ELECTRODE ACTIVE MATERIAL, AND PRODUCTION PROCESS FOR THE SAME AND ELECTRIC STORAGE APPARATUS - A nanometer-size silicon material produced by heat treating a lamellar polysilane exhibits Raman-shift peaks existing at 341±10 cm | 10-29-2015 |
20150349337 | NEGATIVE-ELECTRODE ACTIVE MATERIAL, PRODUCTION PROCESS FOR THE SAME AND ELECTRIC STORAGE APPARATUS - A negative-electrode active material is used for a negative electrode, the negative-electrode active material including: agglomerated particles including nanometer-size silicon produced by heat treating a lamellar polysilane having a structure in which multiple six-membered rings constituted of a silicon atom are disposed one after another, and expressed by a compositional formula, (SiH) | 12-03-2015 |
Patent application number | Description | Published |
20080244757 | Vehicle control device and data rewriting system - A vehicle control device and a data rewriting system prevent a person having no permission from rewriting the data of the vehicle control device. When the vehicle control device rewrites the data thereof based on rewrite data distributed from a control center through a radio communication network, the vehicle control device performs a user identification check based on the verification whether an ID code manually inputted by a user coincides with an ID code previously stored in a vehicle. The vehicle control device permits the user to rewrite the data based on the distributed rewrite data on condition that the user is identified as a privileged user permitted to rewrite the data. | 10-02-2008 |
20080306650 | FAILURE-DIAGNOSIS INFORMATION COLLECTION SYSTEM - A failure-diagnosis information collection system facilitates failure diagnosis in a vehicle. Electronic control units (ECUs) constituting an onboard network perform abnormality detection processing for a detected abnormality. When a duration during which an abnormality recognizing condition for a detected abnormality is established reaches an abnormality recognition time, abnormality information and a principal time stamp associated with the time point are stored. When the abnormality recognizing condition is established for the first time, a first preliminary time stamp that is time-instant information associated with the time point is stored. When the duration during which the abnormality recognizing condition is established reaches half of the abnormality recognition time, a second preliminary time stamp that is time-instant information associated with the time point is stored. Consequently, an abnormality that is a major factor having triggered other multiple abnormalities can be readily identified based on the first and second preliminary time stamps. | 12-11-2008 |
20090037780 | MEMORY MANAGEMENT APPARATUS - A fault code memory management apparatus stores a permanent fault code in different places of a non-volatile memory, and restore the fault code when an error is detected in the fault code stored in the different places in a manner that, in case that discrepancy between the fault codes in different places is found, the fault code matching with data in a code table stored in a read-only memory is determined to be correct. If two fault codes have matching data in the code table, the fault code is compared with data in a standby random access memory that stores an original fault code data. Further, the data in the random access memory and the data in the code table are compared if the comparison between the code and the data in the random access memory is not sufficient. | 02-05-2009 |
20120209450 | VEHICLE BEHAVIOR DATA STORING APPARATUS - An engine ECU compares an acceleration value with a reference value, which corresponds to an accelerator operation value inputted in response to a user operation on an accelerator pedal, and stores vehicle behavior data when the acceleration value exceeds the reference value. After determining that the acceleration value is larger than the reference value and storing the vehicle behavior data, the reference value is changed to a larger value. After determining that the acceleration value is smaller than the reference value and, for example, a period in which the acceleration value remains lower than the reference value, reaches a set period, the reference value is changed to a smaller value. Thus, the number of times of storing the vehicle behavior data is equalized among vehicle users. | 08-16-2012 |