Mitsubishi Denki Kabushiki Kaisha

Mazda Motor Corporation

Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Hirofumi Goto

Kazuhiro Yokouchi

Toshimichi Tokunaga

Yoshiaki Hirasa

Haruto Yano

Chisato Yoshida

Fumiko Yano

Katsuro Hayami

Yasushi Fujii

Osamu Shimizu

Hiroshi Noda

Fumio Matsukawa

Norihiro Naito

Ichiro Tanaka

Katsuaki Matsumoto

Teruki Akamatsu

Yo Yoshitoshi

A traffic navigation apparatus installed on a vehicle has a record of map data of maps which covers at least the moving range of the vehicle. The apparatus detects the current vehicle position. The user sets places to be by-passed and the destination on a displayed map. The apparatus seeks a recommendable route which connects the current position and the destination by by-passing the specified avoidance places. The apparatus permits the avoidance regions to be input by various data inputs including by inputting the telephone number or a postal zip code of the region to be avoided. It then displays a recommendable route on the map which avoids the avoidance region provided the increase of distance as compared to not avoiding the avoidance region is not more than a specified value. Otherwise it displays a recommended route which includes the avoidance region in relation with the current vehicle position.

Traffic navigation apparatus having a by-pass function

In a mobile navigation system of the present invention, a route between two desired points can be easily recognized on any scale. The mobile navigation system includes a CD-ROM for storing map data therein, an operation panel on which a user performs operations, a vehicle position detecting unit for detecting a vehicle position, a CRT display for displaying a map image thereon together with route marks and a vehicle position mark, and a navigation controller for searching the most suitable guidance route from a departure spot to a destination. When a detailed map and a wide-area map are used, routes are respectively displayed by different methods by displaying large route marks in the detailed map and displaying small route marks in the wide-area map.

Mobile navigation system

There is provided a map information display apparatus comprising a control unit, responsive to a signal informing that a predetermined area on a display unit has been indicated, for switching a display from a state of displaying a single map image on the screen in scroll mode in which the center of the map image constantly shows the current position of the vehicle detected by a position detecting unit and the map image is scrolled as the vehicle travels to a state of displaying a first map image with the same scale as the single map image which has been displayed on the screen in a base screen region and a second map image with a scale in a window screen region. Furthermore, touching an area of the base or window screen region switches the display into single display mode. Thus, switching between single display mode in which a single map image fills the screen of the display unit and parent display mode in which two map images associated with each other are respectively displayed in the base and window screen regions can be accomplished without having to use a mechanical switch.

Map information display apparatus for vehicle

A map displaying apparatus for displaying a map and a destination on a display screen. A map memory stores a map data to be displayed on a displayer. A telephone number, an area code, or postal code is inputted through an inputting panel. A second memory stores information on telephone numbers and the coordinates of positions on a map corresponding to the respective telephone numbers, information on area codes and the coordinates of positions on a map corresponding to the respective area codes, and information on postal codes and the coordinates of positions on a map corresponding to the respective postal codes. A position retrieval section reads from the second memory the coordinate of a position on a map corresponding to the telephone number inputted through the inputting panel, the coordinate of positions on a map corresponding to the area code inputted through the inputting panel, the coordinate of positions on a map corresponding to the postal code inputted through the inputting panel. The position retrieval section then retrieves map data stored in the map memory according to the telephone number, area code, or postal code and displays the map on the displayer. The map region on display may be shown highlighted when the map region is specified by information such as an area code and a postal code.

Map displaying apparatus

A touch panel device for navigation of a vehicle for example an automobile. There is a display unit with a screen, and information display for visually representing desired information on the screen. A switch superimposes a switch pattern over the information on the screen and executing a predetermined control action when an operator's finger approaches the switch pattern. To remove the switch pattern after the lapse of a preset time form the visual representation of the switch pattern, erasing is used. The erasing can be accomplished for example by the actuation of a timer to remove the switch pattern. With the switch pattern removed, the entire information on the screen can be seen wholly without being concealed by the switch pattern.

Touch device panel

A channel display device for a receiver which receives television or radio broadcast waves and detects field intensity levels of individual channels to thereby detect receivable stations. A switch pattern for selection of the receivable stations is visually represented on a display screen. A touch switch overlay is provided for outputting a desired-channel switching signal in response to an operator's actuating touch on the switch pattern. Due to such visual representation of the switch pattern and the provision of the touch switch function, switchover to a desired channel can be performed with facility to ensure high operational efficiency.

Channel display device for receiver using a touch sensitive overlay

A vehicle-carried navigation system wherein a current position is judged rapidly even when setting or extensive correction of a current position is executed and displaying of a map is updated rapidly in a current position displaying mode even when a vehicle moves at a high speed and a map around a current position is displayed rapidly even when the display mode is changed over from a map displaying mode to a current position displaying mode. When one of a current position detecting apparatus and a picture drawing apparatus tries to read out map data from a map data storage apparatus, a judging device judges whether or not such map data have been read into and are held in the other apparatus, and if such map data are already held in the other apparatus, then the map data are not read out from the map data storage apparatus but are transferred from the other apparatus to the one apparatus by map data transfer device.

Vehicle-carried navigation system

A display device for visually representing selected characters in dot patterns includes a circuit for determining the number of characters to be visually represented and a circuit for outputting, in response to the result of the determination, a dot pattern signal of a size rendered relatively greater in accordance with a reduction in the number of such characters. Since the displayed character size is enlarged as the number of the characters is reduced, the visual representation can be easily seen on the display screen.

Display system

A navigation system for a motor vehicle serves to guide the motor vehicle along an optimum route which includes bypass roads and side destinations desired by a driver but no road of high traffic congestion. When the motor vehicle deviates from the guidance route, an optimum route is again determined, starting from the current position of the motor vehicle. The navigation system includes a manipulating unit 1A for setting the desired bypass roads, side destinations and the final destination, a system controller 11 for setting the destination and the side destinations in terms of the coordinates on a map which are stored in a RAM unit together with information concerning the bypass roads and congested roads, a route extracting unit 6A for extracting an optimum route from a plurality of routes searched by a route search unit 5A on the basis of data read out from the RAM unit 14 and a route guidance controller for determining a distance deviation between the optimum route and the current position of the motor vehicle determined by a current position determining unit 7A. When the distance deviation exceeds a predetermined value, the system controller 11 commands the route search unit 5A and the optimum route extracting unit 6A to start again a new optimum route determining operation.

Navigation system for motor vehicles

A navigation system for a movable body wherein a moving locus of the movable body displayed on a screen of display means can be identified readily and clearly from a map displayed on the screen to prevent misunderstanding of the map. The system comprises a map storage device in which a map is stored, a current position detecting device for detecting a current position of the movable body, a locus storage memory for storing therein a locus of the movable body provided by successively detected ones of the current position, a display unit having a screen, and a switching device for the switching between a mode in which the map from the map storage device, a current position and a locus of the movable body from the current position detecting device and the locus storage device are displayed on the screen and a second mode in which the map and the current position are displayed on the screen but the locus is not displayed on the screen. The navigation system further has a function of causing a locus to be displayed on the screen in accordance with a scale of a map displayed on the screen.

Navigation system for movable body

In a vehicle location detecting system having a self-contained type location detecting section for determining the accumulation type location data, a satellite navigation type location detecting section for determining the satellite type location data from satellite navigation data, a synthesizing section calculates synthetic location data from the accumulation type location data and the satellite navigation type location data. An on-road location determining section determines an on-road location of the vehicle in accordance with the synthetic location data and road map data stored in a road map memory. A display sectin displays the on-road location determined by the on-road location determining section.

Vehicle navigation system

According to the present invention, the driving timing for each segment in a segment type digital display unit can be controlled independently on the basis of either one or both of the lighting history of each segment stored in a memory section and a detected temperature from a temperature detector mounted near segments. Therefore, the discriminatability particularly at low temperatures can be improved with little influence of the temperature and lighting history of segments.

Growing community of inventors

Hyogo, Japan

Hirofumi Goto