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| Number | Title | Issue Date |
| 6463400 | Quarter sectioning algorithm A polygon of an electronic map is prepared for dividing into quarter sections and tests are applied to determine if the polygon is too irregular for quarter sectioning. To prepare for quarter sectioning, a representative rectangle is defined having corner... | 10/08/2002 |
| 6462674 | COMMUNICATION APPARATUS AND ITS CURRENT POSITION COMMUNICATION METHOD, NAVIGATION APPARATUS FOR A VEHICLE AND ITS INFORMATION COMMUNICATION METHOD, COMPUTER PROGRAM PRODUCT, AND COMPUTER-READABLE STORAGE MEDIUM A navigation unit 1 sends map image information representing a map image of an area around a current position of an automobile in which the unit 1 is installed to a communication apparatus 9 with which the unit 1 is communicating, if the communication app... | 10/08/2002 |
| 6459372 | Hand-held computer for identifying hunting and fishing areas and displaying controlling regulations pertaining thereto A device that monitors a person's location and compares it to a database of fish and game regulations for a given area. The user can verify position, but can also display fish and game regulations that apply in that area. Moreover, the unit can also monit... | 10/01/2002 |
| 6456931 | Indicating directions to destination and intermediate locations in vehicle navigation systems The present invention provides a computer implemented method and apparatus for providing a directional arrow to intermediate locations to aid a user of a vehicle navigation system. According to one aspect of the present invention, a vehicle navigation sys... | 09/24/2002 |
| 6456938 | Personal dGPS golf course cartographer, navigator and internet web site with map exchange and tutor A personal owned palm-held device consisting of software executed on a palm-held personal computer (PC) saddled into and connected directly to a dGPS receiver such that an individual golf player may map a golf course by traversing its attributes, displayi... | 09/24/2002 |
| 6456234 | System and method for proactive content delivery by situation location Provided is transmission of situational location dependent information from a server data processing system to a receiving data processing system. The server data processing system communicates with the receiving data processing system in a manner by push... | 09/24/2002 |
| 6453234 | Vehicle mounted navigation apparatus with fast renewal timing There are provided a first navigation unit (transmitting side unit) 10 having a reader 13 for reading at least map data from a map information storage medium 14 and a controller 15 for controlling a system, and a second navigation unit (receiving side uni... | 09/17/2002 |
| 6453232 | Information provision system, current-position-measurement system, and method therefor An information provision system 11 is provided which provides in advance a travel data package 10 via the Internet 1, in which data effective for measuring the current position such as the longitude and latitude information of a travel site location is st... | 09/17/2002 |
| 6449557 | Device and method for changing map information A map information storage stores map information including roads, landmarks, and areas. An overlap determination unit determines whether a landmark and an area overlap with a road in consideration of a road and its width. A position changer moves the over... | 09/10/2002 |
| 6445999 | Navigation system and method of displaying a quasi-three-dimensional map information In displaying map information, a map drawing unit generates map drawing data with an equal scale factor and a coordinate conversion unit does not execute coordinate conversion to an area a including the screen center and the lower area thereof, and writes... | 09/03/2002 |
| 6442475 | Extendable on-vehicle information system An on-vehicle information system includes extended function interface modules responsible for communication between basic function modules, providing basic information services in an on-vehicle information system, and extended function modules.... | 08/27/2002 |
| 6442478 | Navigation device In order to implement a navigation device in which landmarks are much less monotonous, and the applicability thereof is wider, the navigation device of the present invention operates as follows. A landmark is displayed in either normal display (still) and... | 08/27/2002 |
| 6442479 | Method and apparatus for a location sensitive database Shown is a method and apparatus for a location sensitive database system. The database system includes a geographic positioning receiver, such as a global positioning system (GPS), and a database processor that receive the location values output by the po... | 08/27/2002 |
| 6442484 | Method and apparatus for pre-crash threat assessment using spheroidal partitioning A method for operating a pre-crash sensing system for a vehicle having an object detecting system and an associated data storage. The method includes partitioning the vehicle operating environment into a plurality of zones wherein each zone represents a d... | 08/27/2002 |
| 6438490 | Route searching device A processor calculates an estimated travel time required to travel from a current point to a destination or a passing point on a route on the basis of a travel time represented by traffic-jam information for a traffic-jam place which is represented by the... | 08/20/2002 |
| 6430502 | Motor vehicle navigation system The present invention relates to a motor vehicle navigation method and system (10). More specifically, this system comprises a central navigation computation unit (11) equipped with a memory (12) containing the topography of a predetermined zone, and a de... | 08/06/2002 |
| 6427118 | Vehicle-mounted navigation system, and recording medium having recorded thereon a processing program for use therewith A vehicle-mounted navigation system (1) including: a facility information acquisition device (21) which acquires facility information, wherein the facility information is position information pertaining to the facilities located around the route; a facili... | 07/30/2002 |
| 6426709 | Method for transmitting local data and measurement data from a terminal, including a telematic terminal, to a central traffic control unit A reduction in telecommunications costs in the transmission of extensive data from a telematic terminal unit in a vehicle to a central station is made possible by a method for the transmission of location data implicating the location of the terminal unit... | 07/30/2002 |
| 6427115 | Portable terminal and on-vehicle information processing device A portable terminal and an on-vehicle device are combined such that effective navigation can be provided. The portable terminal provided with communication function is connected with the on-vehicle information processing device when placed on a cradle. Th... | 07/30/2002 |
| 6424911 | Intersection display method, and map display unit and recording medium for realizing the method On receipt of route information, map data in an area near the route is read. One intersection existing on the route is extracted from the read map data, and intersection-connected links connected to the intersection are extracted. The road widths from the... | 07/23/2002 |
| 6418373 | Navigation system having travel path replacing function In a vehicle navigation system, an initial recommended travel path between a departure point and a destination is determined using the Dijikstra method. If an external memory stores path information regarding a short-cut path that has its start point and ... | 07/09/2002 |
| 6418374 | Navigation device A navigation device at least includes a CPU and a detector generating a detection signal for determining whether a main device is used inside a vehicle or not. If determining, based on the detection signal from the detector, that the main device is used i... | 07/09/2002 |
| 6415222 | Navigation system and storage medium A navigation system includes an information storage unit that stores map data including fork pattern data. A retrieval device obtains fork information from the map data and retrieves the connection between an entrance lane and an exit lane and the number ... | 07/02/2002 |
| 6415227 | Enhanced global positioning system and map navigation process An enhanced global positioning system and map navigation process, which incorporates the GPS position data and geospatial map data. This enhanced navigation process includes GPS-based efficient geospatial database access and query and a time-space filteri... | 07/02/2002 |
| 6415226 | Method and system for providing safe routes using a navigation system A feature for a motor vehicle that includes a navigation system and one or more safety systems that detect an area around the vehicle. The navigation system uses geographic data and the one or more safety systems also use geographic data. The feature advi... | 07/02/2002 |
| 6415225 | Navigation system and a memory medium A system for executing guidance to a destination properly even if the destination is connected to a non-guidance target road, such as a small street. The system has a judgment device for determining whether a road connecting to a destination on the search... | 07/02/2002 |
| 6415224 | Display method and apparatus for navigation system A display method and apparatus for navigation system for displaying information necessary for guiding a driver of a vehicle. The navigation system is designed to promote safe driving by producing different display forms and contents depending on whether t... | 07/02/2002 |
| 6405130 | Navigation system using forward-looking origin selection for route re-calculation A navigation system calculates a first route to a first destination. If the navigation system determines while en route that a second route would result in a significant time saving, the navigation system selects a point along the first route between the ... | 06/11/2002 |
| 6405126 | Pre-programmed destinations for in-vehicle navigation A system and method for finding an intended destination using an in-vehicle navigation system. Intended destinations are received and are coupled to an in-vehicle navigation system using various methods. In one embodiment, the intended destinations are st... | 06/11/2002 |
| 6405131 | Method and system for providing route guidance with multiple progress bars A feature provided by a navigation system to provide guidance to a driver of a vehicle. The feature comprises multiple progress bars displayed on a display screen of the navigation system. The multiple progress bars feature is displayed when the vehicle i... | 06/11/2002 |
| 6405128 | Method and system for providing an electronic horizon in an advanced driver assistance system architecture A method and system for use by driver assistance systems installed in a motor vehicle to continuously provide such systems with updated data about paths along roads onto which the motor vehicle can travel from a current position of the motor vehicle as th... | 06/11/2002 |
| 6405106 | Enhanced vehicle controls through information transfer via a wireless communication system A vehicle control system method and apparatus including a mobile application service provider communicating over a wireless communication network, a mobile station communicating with the mobile application service provider over the wireless communications... | 06/11/2002 |
| 6404330 | Apparatus and method for alarming decrease in tire air-pressure An apparatus for alarming a decrease in tire air-pressure by using a judged value calculated based on rotational information obtained from tires fitted to a four-wheeled vehicle. The apparatus comprises: traveling determining means for determining whether... | 06/11/2002 |
| 6401028 | Position guiding method and system using sound changes A system guides a user (or a vehicle 100) in reference to a target position via sound changes. The system (i) virtually disposes a sound source at the target position defined in a geographical data field covering the positional arrangement of the user and... | 06/04/2002 |
| 6401033 | Navigation system with game playing feature A vehicle navigation system includes at least one game program that runs on the navigation system hardware and that uses the data in the geographic database to conduct a game session via a user interface of the navigation system.... | 06/04/2002 |
| 6393362 | Dynamic safety envelope for autonomous-vehicle collision avoidance system The function of each autonomous vehicle in a surface mine is performed according to a predetermined trajectory related to its particular task and implemented by a guidance system through on-board GPS and two-way communication hardware. The current positio... | 05/21/2002 |
| 6392592 | Hand held car locator A car locator system includes a hand held locator which receives information with regard to the location of a vehicle and then stores that information for display on the hand held locator. The hand held locator could be a key fob having buttons to command... | 05/21/2002 |
| 6388582 | Lane guidance display method, and navigation device and recording medium for realizing the method Based on searched route information and map data, a target intersection for guidance is specified. For the specified target intersection, lane data regarding the number of lanes and lane control of roads being connected thereto is read, and then recommend... | 05/14/2002 |
| 6389357 | Vehicle navigation system A vehicle navigation system capable of retrieving a route interconnecting a starting location and a destination by way of en route points, the starting location, destination, and en route points being set by a user, and displaying a retrieved route on a m... | 05/14/2002 |
| 6389358 | Vehicle-mounted navigation device A vehicle-mounted navigation device comprises an image display means which performs guiding of a direction of travel only by display of an arrow when a vehicle is running on a guided route and which performs map display instead of said arrow display when ... | 05/14/2002 |