Patent application number | Description | Published |
20090172031 | Map Updating System - A map updating system that stores map data and a priority sequence table, acquires first update data and second update data of the map data according to the priority sequence table, and updates the map data based on the first update data and second update data according to the priority sequence table. | 07-02-2009 |
20090216771 | MAP UPDATE SYSTEM, METHODS, AND PROGRAMS - Systems, methods, and programs store navigation map data divided into a plurality of partitions, each partition having a corresponding partition file. The systems, methods, and programs identify a partition file corresponding to a partition that is to be updated. The partition file has an update-targeted road class The systems, methods, and programs select an update file, the update file being selected from a server file corresponding to the partition file to be updated. The server file is managed by version and road class. The selected update file is selected based on the update-targeted road class. | 08-27-2009 |
20090292458 | Map distribution systems, methods and programs - Map information distribution systems, methods, and programs that update map information based and distribute the update information, send update request information for requesting the update information of the map information, receive the update request information, and obtain the update information corresponding to the received update request information. The systems, methods, and programs obtain updated content corresponding to the obtained update information, assign a score to the updated content based on factor information corresponding to the obtained updated content, assign an order of priority to the respective updated content based on the scores assigned to the respective updated content, distribute the update information and the prioritized updated content, update the map information based on the received update information, and notify a user of the received updated content based on the order of priority assigned to the updated content. | 11-26-2009 |
20100017108 | Map Information Distribution Center and Map Information Distribution Method - Map information distribution systems and methods store map information and version information for each road category of the map information stored in a navigation device, the version information correlated with identification information identifying the navigation device. The systems and methods receive the identification information from the navigation device and obtain, based on the received identification information, the version information for each road category of the map information stored in the navigation device corresponding to the stored identification information. The systems and methods extract, based on the obtained version information for each road category, differential data for each road category with stored map information of a latest version, and transmit the extracted differential data for each road category to the navigation device corresponding to the received identification information. | 01-21-2010 |
20100095076 | DATA UPDATE SYSTEM AND COMPUTER PROGRAM - Art is provided that is capable of easily performing update processing in a short time even when updating numerous data of a storage medium of a navigation device. A directory structure corresponding to a partition structure of a storage medium is created. Image files IF are generated for updated data content within partitions HDn (n=0, 1, 2, 4, 6). The generated image files IF of the partitions HDn are stored in directories DIR that correspond to the partitions HDn in the created directory structure. Data content of the image files IF read from the directories DIR that correspond to the partitions HDn is written to the partitions HDn of the storage medium. | 04-15-2010 |
20110029228 | Map information delivery system, method, and program - A map information delivery system, including a navigation apparatus, is capable of preferentially receiving map updating information based on a host vehicle's state. The updating information may be preferentially received based on whether a destination has been set, a location of the updating information relative to an updating position or a destination, and/or the size of the updating information. | 02-03-2011 |
Patent application number | Description | Published |
20090177706 | Data Updating System, Navigation Device, Server, and Method of Data Updating - To provide a data updating system and the like for easily performing updating the difference for the database which contains a large amount of data, each piece of the data being highly correlated, such as a map database that contains road network data. | 07-09-2009 |
20090248758 | MAP UPDATE DATA SUPPLYING APPARATUS, VERSION TABLE, MAP DATA UPDATING SYSTEM, AND MAP UPDATE DATA SUPPLYING METHOD - Map updating systems, methods, and programs that extract update requiring sections with respect to an update requesting section that is one of the sections being a target of an update request requesting that the target map data should be updated, obtain the information related to the guaranty versions respectively corresponding to the extracted update requiring sections by referring to the version table, the update requiring sections each being one of the sections that needs to be updated in order to guarantee integrity between the sections that are positioned adjacent to each other after the update requesting section has been updated, and generate, based on the update-purpose map database, one of the update data files regarding the update requesting section as well as other ones of the update data files regarding the update requiring sections and having the update versions indicated as the guaranty versions. | 10-01-2009 |
20100011022 | Map information management system and map information distribution system - There is provided a map information providing technology that can keep map information very fresh at all times. | 01-14-2010 |
20100121886 | Map Database Generating Systems, Methods, and Programs - Systems, methods, and programs store feature information relating to features existing on a road and on the periphery of the road, each piece of feature information being associated with a unique identification symbol, each piece of feature information including disposition information expressing a spatial disposition of each feature independently of the road network, form information expressing a form of each feature, accuracy information expressing an accuracy of the information, and acquisition timing information expressing an acquisition timing of the information. The systems, methods, and programs (1) output the feature information stored in the feature database and input map information constituting the map database, the map information being generated based on the output feature information, or (2) generate map information constituting the map database on the basis of the feature information stored in the feature database. | 05-13-2010 |
20100274469 | NAVIGATION DEVICE AND DATA UPDATE SYSTEM - Data in an update data format for performing an update of reference map data is formed by storing in each data frame divided for each data type, at least one of: a first group of one or more common map data records to be stored according to the data type of each data frame in a common map data frame after a conversion by a conversion unit; a second group of one or more first map data records to be stored according to the data type of each data frame in a first map data frame after a conversion by a conversion unit; and a third group of one or more second map data records to be stored according to the data type of each data frame in a second map data frame after a conversion by a conversion unit. | 10-28-2010 |
Patent application number | Description | Published |
20090150457 | Map Updating Systems, Methods, and Programs - When the navigation apparatus | 06-11-2009 |
20100042651 | Map Updating System, Methods and Programs - Map updating systems, methods, and programs that store map information, including one or more pieces of difference update information, obtain the one or more pieces of difference update information used for updating a part of the map information, and update the map information based on the one or more pieces of difference update information. The systems, methods, and programs obtain total update information used for updating an entirety of the memory to a new piece of map information, update the map information based on the total update information, compare a version of the total update information used in the total update with each of versions of the one or more pieces of difference update information stored in the memory, extract any of the one or more pieces of difference update information judged to be newer and update the map information based on the difference update information. | 02-18-2010 |
20100274472 | NAVIGATION DEVICE AND MAP DATA UPDATING METHOD THEREOF - When updating means | 10-28-2010 |
Patent application number | Description | Published |
20110307879 | PROGRAM UPDATE DEVICE, PROGRAM UPDATE METHOD, AND INFORMATION PROCESSING DEVICE - A program update device includes: a first storage unit to retain a program of a first version; a second storage unit to retain a program of a second version equal to or later than the first version; an acquiring unit to acquire a difference between the program of the second version and a program of a third version later than the second version; and an update unit to generate the program of the third version from the program of the second version that is stored in the second storage unit and the difference acquired by the acquiring unit, and to store the generated program of the third version in the first storage unit. | 12-15-2011 |
20130302756 | DRIVING SUPPORT SYSTEM AND DRIVING SUPPORT MANAGING DEVICE - A driving support system for giving a support to a driving operation of a vehicle includes a drive history database and a drive teaching unit for specifying a travel route of a vehicle subjected to a driving support. Vehicle information including information about vehicle operation is associated with pertinent route information and is registered as a drive history in the drive history database. The drive teaching unit is configured to extract a drive history corresponding to the specified travel route from the drive history database. The drive teaching unit is further configured as a guide for the driving support to teach information about the extracted drive history to a driver of the vehicle subjected to the driving support. | 11-14-2013 |
20130304382 | NAVIGATION DEVICE, NAVIGATION METHOD, AND PROGRAM - Navigation systems, methods, and programs acquire deviated point information regarding a deviated point where a vehicle traveling a set route has deviated the route, and acquire post-deviation travel history information regarding a travel history after a deviated vehicle has deviated the route at the deviated point. The systems, methods, and programs determine based on the post-deviation travel history information for each of the deviated vehicles whether the deviated vehicle has traveled along a reroute set after deviating the route at the deviated point, and judges whether a rate of the deviated vehicles which were determined as having traveled along the reroute is a first predetermined value or more. If the rate of the deviated vehicles which were determined as having traveled along the reroute is the first predetermined value or more, the systems, methods, and programs determine that guidance of the route is not appropriate. | 11-14-2013 |
20140212849 | DRIVING ASSISTANCE DEVICE AND METHOD - A driving skill in input driving data is acquired from driving skill classification unit, driving data, which includes a driving skill higher than the driving skill in the input driving data and of which a similarity to the input driving data is at least a predetermined similarity, is selected from among driving data stored in a driving data storage unit, a difference between the selected driving data and the input driving data is detected, and a notice on the detected difference is issued as driving advice. As a result, it is possible to present suitable advice to improve a driving skill taking into account the skill and type of a driver. | 07-31-2014 |
20140365029 | VEHICLE DATA ANALYSIS METHOD AND VEHICLE DATA ANALYSIS SYSTEM - The invention provides a vehicle data analysis method that enables quantitative analysis of characteristics of vehicle data indicating transition in a driver's driving operation, and a vehicle data analysis system using this analysis method. A plurality of vehicle data are collected based a plurality of types of driving operations. Based on an evaluation criterion as an index for evaluating levels of the driving operations, the collected vehicle data are grouped into at least two groups. Characteristic values of the vehicle data differing between these groups are extracted. | 12-11-2014 |