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| Number | Title | Issue Date |
| 8116891 | Audio data reproducing method and program therefor Regarding first and second audio data to be reproduced simultaneously within a certain time period, a computer which has a storage device records the first audio data to the storage device within the period while at the same time reproducing only the second audio da... | 02/14/2012 |
| 7890258 | Route search method for navigation device A navigation device that calculates an expected travel time or an expected arrival time for each retrieved route, using link costs predetermined for calculation of expected travel times regardless of search conditions. As the link costs for the calculation of expect... | 02/15/2011 |
| 7839306 | Map display method A map display method whereby the contents of a road map displayed can be easily and clearly grasped regardless of the running conditions of a vehicle. In a summarized map displayed on a display screen 10, an area including a vehicle position 11,... | 11/23/2010 |
| 7612798 | Photographing system for a moving apparatus A photographing system having plural image pickup units for a moving apparatus with enhanced user's visibility of images for a driver of the apparatus. A system control part controls the image pickup units. Image pickup unit picks up images ahead of the moving appar... | 11/03/2009 |
| 7383127 | Navigation apparatus for receiving delivered information In a communication-type navigation system for downloading map data according to the present invention, a reduction in the amount of map information to be transferred, correction of a position measured by a GPS, and delivery of advertisements are effected. In this sy... | 06/03/2008 |
| 7289039 | Apparatus and method for processing and displaying traffic information in an automotive navigation system A vehicle navigation system for use with a traffic information broadcast system which transmits traffic data relating to primary road segments and a communication system which transmits traffic data relating to road segments in a local geographic area. A broadcast r... | 10/30/2007 |
| 7233862 | Information center for communications-type navigation device A communications-type car navigation system including a vehicle-mounted terminal and a server. When transferring, to the terminal, the result of a route searching which the server has performed, the server transfers the data that will satisfy the requirements of a r... | 06/19/2007 |
| 7139663 | Terminal apparatus for downloading map A terminal apparatus has a simple map installed therein. When a map is desired, it is checked whether or not a map of a desired place exists in the simple map. If it exists, the map of the desired place is loaded from the simple map, or if it does not exist, the map... | 11/21/2006 |
| 6862505 | Vehicle-mounted information processing apparatus having magnetic disk device A vehicle-mounted information processing apparatus such as a car-navigation system detects that a key switch of the vehicle has been set up at a Lock position (i.e., the engine is stopped). After that, the apparatus performs data reproduction of data files in an ord... | 03/01/2005 |
| 6823259 | Navigation apparatus and computer program product for navigation control The navigation apparatus includes: a current position detection device that detects a current position; a display device; a storage device having stored therein position information related to points used as guidance points when providing route guidance; and a contr... | 11/23/2004 |
| 6804591 | Vehicle-mounted information device An information device for on-vehicle use, includes: a CPU which is capable of normal operation and of standby operation which achieves low power consumption; a first power supply for use during the normal operation of the CPU; a second power supply for use during th... | 10/12/2004 |
| 6751609 | Map database apparatus A map database apparatus according to the present invention manages roads by expressing the roads as link strings. Each of the link strings is constituted by connecting a plurality of links, each of the links has nodes at a front end and a rear end respectively, the... | 06/15/2004 |
| 6421604 | Map display apparatus for motor vehicle A map display control apparatus for a motor vehicle including a road map storage device which stores road map data relating to a road map. A bird's-eye view data converting circuit converts the road map data into bird's-eye view data so that the road map ... | 07/16/2002 |
| 6359571 | Broadcasting type information providing system and travel environment information collecting device In a broadcasting type information providing system, a moving body 10 includes a bidirectional communication unit 13 which performs communication with an information providing center 21, an information processing unit 11 which communicates request informa... | 03/19/2002 |
| 6185503 | Navigation system In a navigation system that reports on a traffic control point and a traffic jam location by voice on a route, various types of traffic information are received by an FM multiplex receiver. If the received traffic information includes information on traff... | 02/06/2001 |
| 6128573 | Map database apparatus A map database apparatus according to the present invention stores a plurality of sets of link string data provided separately to correspond to maps at different scales representing a road as a link string constituted by connecting a plurality of links ea... | 10/03/2000 |
| 6061627 | Current position calculating system for correcting a distance factor for calculating a vehicle travelled distance A microprocessor 214 obtains a vehicle travelled distance by multiplying the number of pulses by a distance factor R, the number of pulses having been outputted from a vehicle speed sensor 203 and having been counted by a counter 216. In addition, the mic... | 05/09/2000 |
| 6023655 | Map database apparatus In a map database apparatus in which a road is expressed by using a plurality of sets of data related to links each of which links has nodes at a front end and at a rear end, data related to a plurality of links provided separately for maps at different s... | 02/08/2000 |
| 6012014 | Map display apparatus for motor vehicle A map display apparatus according to the present invention has a control circuit which divides a display screen of a display device into a plurality of regions, and processes a bird's-eye view data for each region and convert them into map image data. The... | 01/04/2000 |
| 5978733 | Route search apparatus A route search apparatus according to the present invention comprises: a storage device that stores link positional information of individual links and link connection information between the links, a minimum unit of road on a map being referred to as a l... | 11/02/1999 |
| 5964810 | Map display apparatus A navigation system for vehicles comprises a read device that reads planar map data from a recording medium which stores in memory planimetric map data of a road map, a current position detection device that detects the current position of the vehicle, a ... | 10/12/1999 |
| 5951622 | Navigation system drawing recommended route upon different scale display map A navigation system according to the present invention comprises a database apparatus provided with map display data constituted of data representing road positions and physical forms provided in separate sets to correspond to different scales and route s... | 09/14/1999 |
| 5941934 | Current position calculating device A microprocessor 24 detects turn start and turn finish of a vehicle on the basis of outputs of various sensors 11, 12 and 13, and during this operation, the microprocessor 24 successively sets a current position to a middle point of a next link every time... | 08/24/1999 |
| 5928305 | Map database apparatus A road on a map is expressed as link string data constituted with a plurality of links which represent minimum units of the road and nodes on a start point and an end point of the plurality of links. A map database apparatus is provided with a first stora... | 07/27/1999 |
| 5919245 | Map database apparatus The present invention is applied to a map database apparatus, where: a road is represented as a link string in which a plurality of links, each of which has nodes at both ends thereof, are connected; and a plurality of link string data, each of which incl... | 07/06/1999 |
| 5884217 | Map display apparatus for motor vehicle A map display apparatus according to the present invention has a display device capable of displaying a road map in different map forms in a base screen region and a window screen region. A control circuit determines whether the window screen is provided ... | 03/16/1999 |
| 5862498 | Map display apparatus for motor vehicle A map display apparatus for a motor vehicle comprising: road map storage device which stores road map data relating to a road map; a display device capable of displaying the road map; bird's-eye view data converting circuit which converts the road map dat... | 01/19/1999 |
