Patent application number | Description | Published |
20100039224 | BIOMETRICS INFORMATION MATCHING APPARATUS, BIOMETRICS INFORMATION MATCHING SYSTEM, BIOMETRICS INFORMATION MATCHING METHOD, PERSON AUTHENTICATION APPARATUS, AND PERSON AUTHENTICATION METHOD - An occupant authentication apparatus is incorporated in a vehicle. The occupant authentication apparatus includes a communication processor, a biometric-data obtaining unit, a matching unit, and an association processor. The biometric-data obtaining unit obtains biometric data of an occupant of the vehicle. The communication processor communicates with a portable terminal device, and receives biometric data held by the portable terminal device. The matching unit matches the biometric data of the occupant obtained by the biometric-data obtaining unit with the biometric data that the communication processor receives from the portable terminal device. When the obtained biometric data matches the received biometric data, the association processor associates the occupant (or a seat position of the occupant), from whom the biometric data is obtained, with the portable terminal device, from which the biometric data is received. | 02-18-2010 |
20100241857 | AUTHENTICATION METHOD, AUTHENTICATION SYSTEM, IN-VEHICLE DEVICE, AND AUTHENTICATION APPARATUS - An authentication system is configured such that: an in-vehicle device generates an authentication key, and displays on a display unit, a two-dimensional code including the generated authentication key and a URL indicating a predetermined WEB page on a network; and a portable terminal device acquires the authentication key and the URL from the two-dimensional code by reading the two-dimensional code via an imaging unit, downloads a communication program for communicating with the in-vehicle device from the WEB page indicated by the URL, and transmits the authentication key to the in-vehicle device by causing the downloaded communication program to operate. | 09-23-2010 |
Patent application number | Description | Published |
20100127996 | In-vehicle device, remote control system, and remote control method - To provide an in-vehicle device including a layout-information acquiring unit, a relating unit, a combination display unit, a converting unit, and an output-signal transmitting unit. The layout-information acquiring unit acquires layout information of input keys of the portable terminal device. The relating unit relates each input key included in the layout information to a predetermined area on a touch panel display. The combination display unit causes a layout screen of each input key related to a predetermined area on the touch panel display to be displayed in the touch panel display. The converting unit converts an input to the touch panel display into an output signal corresponding to a pressing operation of the input key or a combination of the output signals, based on the layout information. The output-signal transmitting unit transmits the output signal obtained by conversion to the portable terminal device. | 05-27-2010 |
20110029239 | NAVIGATION SYSTEM, IN-VEHICLE DEVICE, NAVIGATION METHOD, AND COMPUTER-READABLE MEDIUM - A navigation system is provided. An in-vehicle device is mounted on a vehicle. A data providing apparatus provides data regarding navigation to the in-vehicle device. The data providing apparatus detects current position data of the vehicle, accumulates map image data, cuts the map image data in a display size of the in-vehicle device, and separately transmits the detected current position data and the cut map image data to the in-vehicle device. The in-vehicle device receives the current position data and the cut map image data from the data providing apparatus, and superimposes the received current position data and the cut map image data to display a guide image. The current position data is transmitted in a first transmission cycle and the cut map image data is transmitted in a second transmission cycle which is shorter than the first transmission cycle. The current position data is updated while maintaining the cut map image data when the current position data is received, and the cut map image data is updated when the current position data is located at an update position in the periphery of the cut map image data. | 02-03-2011 |
20140328352 | COMMUNICATION SYSTEM AND COMMUNICATION METHOD - To provide a communication system and a communication method that are capable of determining with a simple configuration the validity of a message that is communicated with the communication system, a plurality of ECUs is connected in the communication system to a communication bus, allowing communication of messages. A communication interval, which is defined for each message being communicated, is set for each ECU. The ECU that transmits the message transmits the message on the basis of the defined communication interval. The ECU that receives the transmitted message detects the communication interval of the received message, and determines the validity of the received message on the basis of a comparison between the detected communication interval and the defined communication interval. | 11-06-2014 |
Patent application number | Description | Published |
20090299621 | AUTOMOBILE NAVIGATION APPARATUS - An automobile navigation apparatus, that has a rewritable recording medium and capability to updates the map data base by obtaining latest map data, records the map data in the recording means and comprises updating data acquisition means that acquires updated data of a map to which updating procedure is added, an information interpreting means that interprets the updating procedure information, and a map data updating means that searches over said map data base and updates said map data base on the basis of the results of such interpretation and manages the map data by using attributions that indicates additional information of the map elements which are composed into a table as the records thereof so that the row record of the table is classified by the attribution which indicates the additional information of the map element. | 12-03-2009 |
20150179064 | Traffic-Volume Prediction Device and Method - Because a route selection model for traffic demand prediction of selecting a route from among travel routes in probe data cannot include other routes than the travel route in the probe data, it is not possible to predict a traffic volume on the route that has not been traveled. A traffic-volume prediction device according to the invention includes a simple-network creation device ( | 06-25-2015 |
20150198449 | Route Calculation System, Navigation Device, and Route Calculation Method - A route calculation system includes: a route selection probability calculation unit that calculates a route selection probability of each route; a weighting parameter acquisition unit that acquires at least two kinds of weighting parameters representing degrees of influences of at least a route traveling distance and a route traveling time on the route selection probability; a weighting parameter selection unit that selects at least two kinds of weighting parameters corresponding to a specified set of a starting point and ending point combination related to a combination of a departure point and a destination; and a recommended route calculation unit that calculates a recommended route based on at least two kinds of link costs including a link traveling distance and a link traveling time and based on the at least two kinds of weighting parameters corresponding to the specified set of the starting point and ending point combination. | 07-16-2015 |
20150222813 | Camera Parameter Calculation Device, Navigation System and Camera Parameter Calculation Method - A device for calculating one or more camera parameters of a camera for converting a scenery image captured by the camera of a scenery including a road into an image for navigation, the one or more camera parameters representing a height of a mount position of the camera and a direction of the camera includes: a location information acquisition unit that acquires location information; a road width information acquisition unit that acquires road data corresponding to the current location based on the location information and acquires road width information at the current location from the road data; a scenery image acquisition unit that acquires the scenery image from the camera; and a camera parameter calibration unit that performs calibration calculation of the camera parameters based on the scenery image and the road width information. | 08-06-2015 |
Patent application number | Description | Published |
20110224900 | Route Planning Device and Route Planning System - A route planning device includes: a search unit that searches for a plurality of facilities located near the minimum-cost route from a current position to the destination, where the battery can be charged; a guided route calculation unit that sets a waypoint on the minimum-cost route via which the moving object can be guided to each facility, and calculates a guided route from the waypoint to the each facility and a first power requirement indicating an amount of power required to travel through the guided route; and a facility designating unit that designates a target facility to which the moving object is to be guided, based upon third power requirements each calculated by adding a second power requirement, indicating an amount of power required to allow the moving object to travel from the current position to the waypoint, to the first power requirement and remaining power in the battery. | 09-15-2011 |
20120072107 | Route Search Device, Server Device and Navigation Device - A route search device includes: map data; a derived route acquisition section that acquires a first derived route from an origin point to a destination; a route correction region acquisition section that acquires a route correction region; a place to be passed through setting section that sets a place to be passed through in the route correction region; a start point and end point setting section that sets a start point and an end point in the route correction region; a corrected route acquisition section that acquires a corrected route; and a route correction section that corrects the first derived route to a second derived route from the origin point to the destination, constituted by a route from the origin point to the start point, the corrected route, and a route from the end point to the destination. | 03-22-2012 |
20120143886 | Road Link String Conversion Method, Road Information Providing Device and Road Information Providing System - A road link string conversion method for converting first road link string data included in first map data into second road link string data included in second map data: deciding whether or not first coordinates-of-position strings corresponding to the first road link string data correspond to the second road link string data; constructing a second coordinates-of-position string by combining together the first coordinates-of-position strings decided as not corresponding to the second road link string data; establishing correspondence between the second coordinates-of-position string and the second road link string data; and converting the first road link string data including the first coordinates-of-position strings decided as not corresponding to the second road link string data, to the second road link string data to which the second coordinates-of-position string corresponds. | 06-07-2012 |
20120209524 | Route Search System - A route search system includes: a reception unit that receives a search request for a plurality of first routes, that are routes between all the combinations of two of a plurality of points; a search unit that, when the search request is received by the reception unit, searches the plurality of first routes based upon a search condition included in the search request; and a supply unit that transmits route information for the plurality of first routes searched by the search unit. Both a number of times the search request is received by the reception unit, and a number of times route information is transmitted by the supply unit, are smaller than a number of points in the plurality of points. | 08-16-2012 |
20130204528 | Route Guidance System, Route Guidance Server Apparatus and Navigation Terminal Apparatus - A navigation terminal apparatus includes: terminal map data; a route search unit that searches for a traveling route, through which a mobile object is to travel, based upon a specific search condition pertaining to a travel cost; and an updating unit that updates route data expressing the traveling route by replacing a first road link group making up a route segment accounting for at least part of the traveling route with a second road link group making up another route segment, with a start point and an end point thereof matching the start point and the end point of the route segment accounting for at least part of the traveling route. The another route segment is included in route information obtained from the external apparatus; and the route data include position reference data pertaining to positions of all road links constituting the traveling route and cost data pertaining to travel costs of all the road links. | 08-08-2013 |
Patent application number | Description | Published |
20090030596 | Traffic Information Providing System, Apparatus, Method, And In-Vehicle Information Apparatus - When receiving a traffic information providing request, a traffic information providing apparatus analyzes which area's traffic information is requested based on the received request information. Traffic information of road links located in the requested area is read from the traffic information, and it is determined whether the road links' traffic information is similar or not. Similar links configure a link group, and traffic information corresponding to the link group is created. Traffic information of the configured link group is delivered to an in-vehicle information apparatus. | 01-29-2009 |
20090048775 | Method and System for Route Searching, and Navigation Apparatus Using the Same - A route searching method is provided which allows drivers having mutually similar traveling purposes and preferences to find highly convenient routes by sharing their route searching know-how. A center apparatus ( | 02-19-2009 |
20090070025 | Dynamic Prediction of Traffic Congestion by Tracing Feature-Space Trajectory of Sparse Floating-Car Data - A traffic situation is predicted based on the correlation in the traffic situation between road sections. A base vector generation unit generates the base vectors constituting a feature space representing the correlation between a plurality of links by making a principal component analysis for the necessary time in the past recorded in a necessary time database. A projection point trajectory generation unit records a projection point trajectory of projecting the necessary time in the past recorded in the necessary time database to the feature space in a projection point database. A feature space projection unit projects the necessary time at present to the feature space, and a neighboring projection point retrieval unit retrieves a past projection point in the neighborhood of the concerned projection point from the projection point database, and a projection point trajectory trace unit traces the trajectory of past projection points starting from the retrieved neighboring projection point for a prediction target time width, and an inverse projection unit inversely projects the end point of the concerned trajectory to calculate the predicted value of the necessary time. | 03-12-2009 |
20100332121 | Navigation Device, Route-Search Server, and Route-Search System - A server device | 12-30-2010 |
20100332132 | Route Guidance Server, Navigation Apparatus, Route Guidance System, and Route Guidance Method - A position coordinate based route transmitted from a server is reconstructed as a route of link numbers or node numbers in map data of navigation apparatus without error. A route guidance server searches a route from a start point to end point designated by a navigation apparatus; selects all or a part of nodes included in the searched route as route nodes; sets complementary points to the respective selected route nodes on the route and at a distance longer than a predetermined distance from the respective route nodes; and transmits information including coordinate information on the route nodes and complementary points as route information to the navigation apparatus. Then, based on the coordinate information on the route nodes and complementary points transmitted from the server, the navigation apparatus identifies the route nodes and road links connecting the route nodes by identification numbers in map data the navigation apparatus it self has. | 12-30-2010 |
20120158285 | Method and Apparatus for Route Searching - Provided is a route through which a user can smoothly travel and on which an evaluation of traveling environment is reflected. A route search system includes a user input receiving unit which uses a delay time from an expected travel time as an index indicating comfort of a route and selects a factor such as traffic conditions and pedestrians set as a condition that a user desires avoidance, a delay time calculation unit which calculates a delay time from an expected arrival prediction time according to map information, traffic information, and traveling environment information so as to reduce a delay as far as possible due to the selected factor, and calculates a cost based on the delay time, and a route search unit which calculates a cost of a link used for a route search from the delay time, and searches a route by using the calculated cost. | 06-21-2012 |
Patent application number | Description | Published |
20090316094 | Optically anisotropic body and liquid crystal display - The present invention provides a liquid crystal display that prevents false colors and has a wide viewing angle, display screen contrast that does not decline, and excellent productivity. The liquid crystal display, comprising a liquid crystal cell, a sheet-shaped optically anisotropic body positioned on only one side of the liquid crystal cell, and a pair of light polarizers located on both sides of the liquid crystal cell, wherein the optically anisotropic body satisfies the relationship of n | 12-24-2009 |
20100134724 | Optical Element, Polarizing Plate, Retardation Plate, Illuminating Device and Liquid Crystal Display - A polymerizable liquid crystal compound, a polymerization initiator, and a chiral agent, and a surfactant, orientation adjuster or the like as necessary are dissolved in a solvent to obtain a embrocation, the embrocation is laminated on an isotropic transparent film in a film state and dried, and the dried film is polymerized to give an optical element in which a lower limit λ | 06-03-2010 |