Mitsubishi Electric Corporation

Mistubishi Electric Corporation

Hidekazu Arita

Mitsuo Shimotani

Makoto Ohi

Masahito Hata

Shigeru Tateishi

A map display device includes a position information acquiring unit for acquiring the present position of a vehicle; a map data storage unit for storing map data; a remaining energy acquiring unit for acquiring a residual quantity of energy for driving the vehicle and equipment mounted on the vehicle; a range calculating unit for computing a range the vehicle can travel with the remaining energy, using a moving energy consumption rate which is energy consumption per unit time required for moving the vehicle and a driving energy consumption rate Eci which is energy consumption per unit time required for driving the equipment mounted on the vehicle; and an output control unit for displaying the range on a map using the map data.

Map display device, navigation device and map display method

A virtual image displaycan display a display object being a virtual image which can be visually recognized from a driver's seat of a vehicle through a windshield in a virtual image position defined by a virtual image direction which is a direction of the virtual image on a basis of a specific position of the vehicle and a virtual image distance which is a distance to the virtual image on a basis of the specific position. A display control deviceincludes a relative position acquisition partobtaining a relative position of an information-to-be-provided object which is a point or a feature associated with information with which a driver of the vehicle is provided, using the display object, and the vehicle and a controllercontrolling a display of the virtual image display. The controllerchanges a virtual image distance of the display object in accordance with the relative position of the information-to-be-provided object corresponding to the display object and the vehicle.

Display control device, and display device having a virtual image displayed on a windshield, and display control method thereof

An information processing apparatus includes a conversion object acquirer and a message converter. The conversion object acquirer acquires a message in a car, which is transmitted and received in the car between an information terminal for driver seat and any other information terminal, as a conversion object message, during a period from the time when the message is generated by a transmitting-end terminal to the time when the message is provided to a user by a receiving-end terminal. The message converter determines the type of a message conversion process on the basis of terminal attribute information of the receiving-end terminal and converts the conversion object message in accordance with the message conversion process which is determined, to thereby acquire a converted message.

Information processing apparatus, information terminal, information communication relay apparatus, and information processing method

A map display method display a plurality of drawing pictures. The device and the method facilitate comprehension of relevance between drawing objects included in the drawing pictures. The map display device includes an input/display unit receiving user operation input related to drawing picture display and displays a first drawing object related to map information in a first drawing picture and a second drawing object related to map relevant information in a second drawing picture; and a controller controlling an overlapping state between the first drawing picture and the second drawing picture in accordance with input of user operation received by the input/display unit and outputs, to the input/display unit, a picture in which one of the first and second drawing objects masks the other one in a portion where the first and second drawing pictures are overlapped with each other.

Map display device and map display method

An object of the present invention is to provide a map display device and a map display method for displaying a plurality of map drawing pictures so as to improve convenience for a user. The map display device according to the present invention includes an input/display unit that receives input of user operation and displaying a first drawing object related to map information in a first drawing picture and a second drawing object related to map information in a second drawing picture; and a controller for controlling an overlapping state between the first drawing picture and a partial area of the second drawing picture in accordance with input of user operation received by the input/display unit and outputting, to the input/display unit, a picture in which the second drawing object masks the first drawing object in such an overlapped portion.

An object of the present invention is to provide a map display device and a map display method that facilitate comprehension of relevance between drawing objects in a plurality of map drawing pictures and improve user operability. The map display device according to the present invention includes: a controller that controls an overlapping state between the first and second drawing pictures in accordance with the input of user operation and outputting, to a display unit, a picture in which one of the first and second drawing objects masks the other in a portion in which the first and second drawing pictures overlap each other. The controller controls the overlapping state to prevent the priority drawing object in the first drawing picture from becoming invisible in the drawing picture display.

A navigation apparatus that acquires position information regarding a specific information device enables its own position relative to the specific information device to be easily grasped. The navigation apparatus includes a communication unit that communicates with the specific information device, an own position calculator that calculates its own position, an other person's position acquiring unit that acquires the position of the specific information device via the communication unit, an other person's moving direction acquiring unit that obtains a moving direction of the specific information device, and a display/input unit configured to display a map. The display/input unit displays a map with the moving direction of the specific information device oriented up.

Navigation apparatus

It is an object of the present invention to provide a vehicle approach notification sound generating apparatus that is capable of generating a vehicle approach notification sound in a suitable range according to a vehicle speed. The vehicle approach notification sound generating apparatus of the present invention is characterized by including a vehicle speed calculating unit that calculates a vehicle speed, a vehicle external speaker that outputs a vehicle approach notification sound for notifying of approach of the vehicle, and a general controller that controls a directivity angle width representing a breadth of directivity of the vehicle approach notification sound or a directivity direction of the vehicle approach notification sound, wherein the general controller controls the directivity angle width or the directivity direction according to the speed calculated by the vehicle speed calculating unit.

Vehicle approach notification sound generating apparatus

An object of the present invention is to provide a vehicle approach notification sound generating apparatus that communicates with another vehicle so as to be capable of generating a vehicle approach notification sound different from another vehicle. The vehicle approach notification sound generating apparatus of the present invention includes a vehicle approach notification sound acquiring unit that acquires the vehicle approach notification sound output from another vehicle, a similarity distance calculating unit that calculates a similarity distance between the vehicle approach notification sound of the own vehicle output from a vehicle approach notifying unit and the vehicle approach notification sound of another vehicle acquired by the vehicle approach notification sound acquiring unit, a communication unit that is communicable with another vehicle, and a controller that communicates with another vehicle via the communication unit, makes adjustment whether the vehicle approach notification sound of another vehicle or the own vehicle is to be changed, and when the vehicle approach notification sound of the own vehicle is to be changed, makes control to change the vehicle approach notification sound of the own vehicle so that the similarity distance calculated by the similarity distance calculating unit is a predetermined threshold or more.

An update map data acquiring meansfor acquiring update map data is disposed in a navigation system. Even when a navigation function is being used by a control meanswhich controls the functions of the whole navigation system using yet-to-be-updated map data stored in a map data storing means, the control means updates the map data by writing the update map data from the update map data acquiring meansin a free space on the map data storing means

Navigation system

A route search system includes a map data storing meansstoring a roadmap data containing, as the attribute of a road, whether the road is a road located within a flat-rate pay area where a fixed fare is charged on a mobile unit regardless of the number of times the mobile unit enters the area if the entries are made within a fixed time period; a flat-rate pay area transit recording meanswhen the current position detected by a position detecting meanscomes to a road in the flat-rate pay area represented by the attribute of the roadmap data stored in the map data storing means, storing that the mobile unit has transited the flat-rate pay area; an input meansinputting whether to permit transit across the flat-rate pay area; and a route calculating meanswhen it is inputted by the input means that the transit thereof is not permitted, if the flat-rate pay area transit recording means stores that the mobile unit has transited the flat-rate pay area, calculating the optimum route to the destination within routes also containing roads located within the flat-rate pay area on the basis of the roadmap data stored in the map data storing means.

Route search system

A control section, according to a map scale designated by a user via an input section, draws on its internal drawing memory, roads including its own-vehicle position obtained by a position information acquiring sectionand display elements including city centers (display elements representing a city and indicating the representative position of the city each) or facilities. If the own-vehicle position and the display elements including the city centers or facilities are displayed in isolation on the display section, the control section calculates the route from the own-vehicle position to the display elements under the condition recommended by the navigation or under the condition the user designates, and draws the route produced as a result of the route calculation on the drawing memory.

Navigation system and display method of road network on the same system

A navigation system according to the present invention includes a control deviceequipped with an automatic operation management meansfor, when acquiring an operation guidance display request which is generated by a user's manipulation of an input device, making a direct transition to a final operation screen which is required to judge the user's intention among operation screens which are developed to implement navigation, and for combining the above-mentioned final operation screen which is reduced and a corresponding operation guidance to display them on a display device

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Tokyo, Japan

Hidekazu Arita