WO2002055961A1 - Dispositif de commande / d'affichage de carte et procede de commande / d'affichage de carte - Google Patents

Dispositif de commande / d'affichage de carte et procede de commande / d'affichage de carte Download PDF

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Publication number
WO2002055961A1
WO2002055961A1 PCT/JP2002/000126 JP0200126W WO02055961A1 WO 2002055961 A1 WO2002055961 A1 WO 2002055961A1 JP 0200126 W JP0200126 W JP 0200126W WO 02055961 A1 WO02055961 A1 WO 02055961A1
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WO
WIPO (PCT)
Prior art keywords
map
display
facility
displayed
display device
Prior art date
Application number
PCT/JP2002/000126
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English (en)
Japanese (ja)
Inventor
Hideaki Hirano
Takahiro Onai
Tadayoshi Nishizuka
Takeshi Horie
Original Assignee
Xanavi Informatics Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xanavi Informatics Corporation filed Critical Xanavi Informatics Corporation
Publication of WO2002055961A1 publication Critical patent/WO2002055961A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3679—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities
    • G01C21/3682—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities output of POI information on a road map

Definitions

  • Map display control device and map display control method This application is based on Japanese patent application No. 4243/2001 (filed on January 11, 2001), and its contents are as follows. Incorporated herein by reference. Technical field
  • the present invention relates to a map display control device for displaying a map and a map display control method therefor.
  • a car navigation device has a function of displaying a road map around a vehicle position, a function of calculating a recommended route from a departure point to a destination, and a function of performing route guidance based on the calculated recommended route. ing.
  • This power navigation device searches for facility names (for example, golf courses) under predetermined conditions, displays a list of search results on the screen, and selects one of the listed facilities. It has a function to display a map of the vicinity of the facility.
  • the present invention provides a map display control device and a map display control method for automatically displaying an entire map of a range including a plurality of searched facilities.
  • a map display control device includes: a map display control unit that controls a display device to display a map on a display device at a predetermined scale based on map display data; A facility search unit that searches for facilities that meet predetermined conditions based on facility data that has data for each facility to be displayed, and information about the facilities searched by the facility search unit is displayed on the display device in a predetermined number of units.
  • a facility display control unit that controls the display device to display a list, and when the facility display control unit controls information about a predetermined number of facilities to be displayed in a list, the map display control unit performs a list display.
  • the scale of the entire map is calculated on the display device so that the entire map including all the positions of the predetermined number of facilities can be displayed on the display device, and the entire map is displayed on the display device based on the calculated scale.
  • the display device is controlled so that it is displayed on the screen.
  • the map display control unit controls the display device so as to display, together with the whole map, marks indicating the positions of a predetermined number of facilities listed on the whole map.
  • an input device for instructing scrolling of a list display of information on facilities.
  • a map display control method includes: a map display control procedure for controlling a display device to display a map on a display device at a predetermined scale based on map display data; and a map display control method for each facility displayed on the map.
  • a facility search procedure for searching for facilities that meet predetermined conditions based on facility data having data, and information on the facilities searched by the facility search procedure are displayed in a list on a display device in a predetermined number of units.
  • the map display control procedure includes a predetermined number of information displayed in the list.
  • the scale of the entire map is calculated so that the entire map including all the locations of the facilities can be displayed on the display device, and the entire map is displayed based on the calculated scale. Control the display device to display above.
  • a computer-readable computer program product of the present invention has a map display control program, and the map display control program displays a map at a predetermined scale on a display device based on map 'display data.
  • Information about the facility searched by the instruction is displayed in a list on the display device in a predetermined number of units.
  • a facility display control command for controlling the display device and when the facility display control command is controlled to display a list of a predetermined number of facilities, the map display control command is displayed in a list.
  • the scale of the entire map is calculated so that the entire map of the range including all the positions of the predetermined number of facilities can be displayed on the display device, and the entire map is displayed on the display device based on the calculated scale.
  • the display device is controlled to perform
  • This computer program product is preferably a recording medium on which a map display control program is recorded.
  • the computer program product is a program for controlling a map display.
  • FIG. 1 is a block diagram of a car navigation device according to one embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a series of operations from a destination setting menu screen to setting a destination.
  • FIG. 3 is a flowchart showing a control flow of the control circuit.
  • FIG. 4 is a diagram showing a control flowchart following FIG.
  • FIG. 5 is a diagram illustrating a series of operations from a menu screen for setting a destination to setting a destination according to the second embodiment.
  • FIG. 6 is a diagram continued from FIG. 5 for explaining a series of operations from a menu screen for setting a destination to setting a destination in the second embodiment.
  • FIG. 7 is a diagram showing a state where a program is provided via a transmission medium.
  • FIG. 1 is a block diagram of a power navigation device according to an embodiment of the present invention.
  • the force navigation device has a function of presenting information about the vehicle's travel, specifically, a function of displaying a road map around the vehicle position, a function of calculating a recommended route from the departure point to the destination, and a function of calculating the A function to provide route guidance based on recommended routes Has both. It is a device that performs so-called navigation or road guidance.
  • reference numeral 1 denotes a current position detecting device for detecting a current position of a vehicle, for example, a direction sensor 1a for detecting a traveling direction of a vehicle, a vehicle speed sensor 1b for detecting a vehicle speed, and a GPS (global positive positioning system). tem) It consists of a GPS sensor 1c that detects GPS signals from satellites.
  • Reference numeral 2 denotes a map storage memory for storing road map data and facility search data, which comprises a CD-ROM 14 which is a recording medium storing the road map data and facility search data, and a reading device therefor.
  • the recording medium is not limited to CD-ROM, but may be a magnetic tape, DVD, or any other recording medium.
  • Reference numeral 3 denotes a control circuit for controlling the entire apparatus, which comprises a microprocessor and peripheral circuits.
  • the control circuit 3 executes a control program stored in the ROM 12 using the RAM 13 as a work area to perform various controls described later.
  • Reference numeral 4 denotes an input device having various switches for inputting a destination of the vehicle and the like. Includes joysticks that direct cursor movement and screen scrolling.
  • the input device 4 may be of a remote control type. Further, an evening switch may be provided in the screen.
  • Reference numeral 7 denotes an image memory for storing image data to be displayed on the display monitor 8. This image data is created from road map drawing data, various graphic data, and the like. The image data stored in the image memory 7 is read out as appropriate and displayed on the display monitor 8.
  • the control circuit 3 functions as a device for outputting a display signal to the display monitor 8.
  • the car navigation device configured as described above performs various navigations based on the vehicle position information obtained by the current position detection device 1 and the road map data stored in the map storage memory 2. For example, a road map near the vehicle position and the vehicle position are displayed on the display monitor 8, and the driver is guided along the route obtained by the route search. ⁇ ⁇
  • FIG. 2 is a diagram illustrating a series of operations from a destination setting menu screen to setting a destination.
  • Figure 2 (a) shows “Destination setting” 101, “Route confirmation” 102, “Register” 101, “View information” 1 displayed at the top of the screen of the display monitor 8.
  • FIG. 11 is a diagram showing an initial menu screen of destination setting by selecting and determining “destination setting” 101 from five menu items of 04, “various settings” 105. Selection and determination of screen items are performed using a joystick which is a part of the input device 4. Move the focus (item highlighting) by tilting the joystick 4 left, right, up, down, or diagonally, and press the push switch (not shown) on the top of the joystick 4 to move the focused item It is determined.
  • FIG. 2 (c) five golf course names from a plurality of golf courses searched around the current position are displayed in a list (list display) in the right half 301 of the screen.
  • a map showing the positions of the five golf courses displayed in a list is displayed.
  • the map display of the left half 302 of the screen is a map of the calculated scale in which the scale of the map such that the five golf courses in the list display on the right are exactly included is calculated. Specifically, the most appropriate scale will be selected from the existing 10 levels of scale.
  • a mark is displayed on the displayed map so that the position of the golf course in the list can be identified.
  • golf courses that are focused on the list display are highlighted on the map.
  • the frame is highlighted with a frame.
  • the list of golf courses is initially sorted and displayed in order of distance from the current location.
  • Each item shows the golf course name and the distance from the current location. For example, for item 303, a golf course name is displayed as "XXX country" and a distance is displayed as "200 m”.
  • the joystick 4 is tilted up and down while the focus is on the list display, the focus moves up and down on the list display.
  • the list display scrolls up one screen (five displays).
  • focus when is at the bottom of the list display, when the joystick 4 is further lowered, the list display scrolls down by one screen (five displays). However, if the list is already at the top or bottom, scrolling in that direction is not performed.
  • the list display can also be displayed in order of names such as alphabetical order.
  • FIG. 2 (d) is a diagram in which the focus is moved to the item “arrange by name” 401 to rearrange the list display by name.
  • the screen moves to the display of FIG. 2 (e).
  • the list display of the right half 301 of the screen in FIG. 2 (e) shows five golf courses from those sorted by name. Initially, the first five characters are displayed in alphabetical order. Thereafter, the user can operate the joystick 4 to scroll up and down the list display in the same manner as described above.
  • a map is displayed on a predetermined scale around the golf course where the destination has been determined.
  • the search may be performed by scrolling the map and searching for facilities around the scrolled point. If the destination is already registered, a search for facilities around the destination may be performed.
  • the map storage memory 2 has road map data and facility search data.
  • Road map The data is divided into map display data and route search data.
  • the map display data is data for displaying a map, and includes data on road shapes and road types and data on landmarks (also referred to as facilities).
  • landmarks also referred to as facilities.
  • the landmark data is data about facilities such as schools, government offices, convenience stores, gas stations, department stores, and parking lots, and has location coordinate data on a map for each facility.
  • facility search data is data having information on various facilities.
  • the facilities listed in the landmark data such as the above schools, government offices, convenience stores, gas stations, department stores, and parking lots, are also stored in the facility search data.
  • it includes all kinds of facilities such as florists, CD shops, restaurants, hot springs, and ski resorts.
  • the information includes all information such as telephone numbers, addresses, and types of services provided, as well as location coordinates on maps.
  • the facility search data can be called facility data, but the landmark data included in the map display data can be said to be facility data overnight.
  • the control circuit 3 uses the data of the map storage memory 2 configured as described above to control the above-described facility search and display of the searched facility map.
  • the contents of the control of the control circuit 3 will be described.
  • 3 and 4 are flowcharts showing the control flow of the control circuit 3.
  • step S1 it is determined whether or not the type of facility to be searched has been set. For example, whether one of “golf course”, “leisure and culture 'sports”, “accommodation”, “public facilities”, “station”, etc. has already been set. In the example of Fig. 2, "golf course” is set as the search facility. If it is determined in step S1 that the type of facility to be searched has already been set, the process proceeds to step S2. If it is determined that the type of facility to be searched has not been set, the process proceeds to step S3. In step S3, a process for determining a facility to be searched is performed, and then the process proceeds to step S2. For example, this is the item selection decision processing on the screen of FIG. 2 (b) described above.
  • step S2 it is determined whether or not the search coordinates have been set. Whether or not the search coordinates have been set means whether or not the search point is set and the coordinate values are recorded in RAM 13. If it is determined in step S2 that the search coordinates have not been set, the process proceeds to step S4. In step S4,
  • the central point of the search For example, the current location of the vehicle, the scroll point on the screen, and the destination (transit point).
  • step S5 the point searched in step S5 is the current position. If it is determined that the current position is the current position in step S5, the process proceeds to step S6, and the coordinates of the current position are set as the search coordinates. Then, the process returns to step S1. In the example of Fig. 2, the current location is set as a search point.
  • step S7 it is determined whether or not the point to be searched is a destination (or a transit position). If it is determined in step S7 that the destination is a destination (via location), the process proceeds to step S8, and the coordinates of the destination (via location) are set as search coordinates. Then, the process returns to step S1. If it is determined in step S7 that the point to be searched is not the current location, the process proceeds to step S9. In step S9, it is determined that the point to be searched is a scroll point, and the process proceeds to step S10, where the coordinates of the scroll point are set as search coordinates. Then, the process returns to step S1.
  • step S11 it is determined whether or not to use map display data to search for a facility. This can be determined by the type of facility to be searched. For example, map display data is used for facilities that exist in a narrow area, such as convenience stores. On the other hand, if multiple facilities do not exist in a wide area such as a ski resort, the facility is searched using the facility search data. In the following description, a golf course uses map display data, but it may use facility search data.
  • step S11 If it is determined in step S11 that the map display data is to be used for the search, the process proceeds to step S12.
  • step S12 the mesh code of the search coordinates is calculated to specify the mesh where the point to be searched exists, and the mesh existing around the specified mesh is determined. Calculate the mesh code of the mesh to be created. For example, the mesh code of the mesh where the point to be searched exists and the eight meshes around it is calculated.
  • step S13 the facility to be searched is acquired from the map display data of the specified mesh code. In the example of FIG. 2, a golf course is searched and acquired from map display data corresponding to nine meshes.
  • step S11 determines whether the map display data is not used as the search data. If it is determined in step S11 that the map display data is not used as the search data, the process proceeds to step S14.
  • step S14 the prefecture where the point to be searched exists is specified from the search coordinates, and the prefectures around the prefecture are calculated or specified using a table.
  • the prefecture is specified differently from step S12 because it is considered that a plurality of search target facilities exist only in a wide range.
  • step S15 the facilities to be searched are acquired from the facility search data of the determined plural prefectures.
  • the facility search data is managed by prefecture as described above.
  • map display data is used.
  • facility search data is used.
  • step S16 a straight-line distance between the acquired location coordinates of the facility and the coordinates of the point to be searched (search coordinates) is calculated.
  • the straight-line distance is calculated for convenience of calculation, but it may be a distance across a road.
  • step S17 sorting is performed in ascending order of the calculated distance, and target facilities are acquired until the number of items becomes a predetermined number, for example, 50.
  • step S18 the searched facilities are displayed in a list.
  • the number of items displayed in the list is five, and the display is updated by scrolling as needed.
  • step S 19 the scale of the map that can display all of them is calculated from the coordinates of a plurality (up to five) of the listed facilities.
  • step S20 the calculated scale map is displayed.
  • the list display is displayed on the right half 301 of the screen, and the map display is displayed on the left half 302 of the screen.
  • the scale of the map is set to 10 levels in advance, and the most appropriate scale for the scale calculated in step S19 is selected from the 10 levels. Then, a map is displayed at the selected scale using the map display data.
  • a mark of the facility is displayed at the coordinates of the facility listed on the displayed map. An icon may be displayed, or a star may be simply displayed.
  • a frame is displayed or colored so that the (focus) facility currently selected on the list display can be identified.
  • step S23 If the selection on the list display is moved by the operation of the joystick 4 in step S23, the process jumps to step S21. Also, in step S24, if the user performs a scroll operation in page units by the operation of the joystick 4, the program jumps to step S18.
  • the scale of the map is set to the coordinates displayed in the list so that all the facilities displayed in the list can be displayed on a map. It was calculated automatically based on it. Also, when the list display is updated by scrolling, the scale of the map is automatically calculated so that all the updated facilities of the list display can be displayed on the map. As a result, the location of the facility displayed in the list can be checked immediately, and the troublesome operation of determining the destination has been greatly reduced.
  • the configuration of the car navigation device according to the second embodiment is the same as that of the car navigation device according to the first embodiment, and a description thereof will be omitted.
  • the second embodiment is different from the first embodiment in a destination setting method. Therefore, only the contents are explained below.
  • FIG. 5 and FIG. 6 are diagrams illustrating a series of operations from the destination setting menu screen to the setting of a destination in the second embodiment.
  • Fig. 5 (a) shows “Destination setting” 101, “Route confirmation” 102, “Register” 101, “View information” displayed at the top of the screen of the display monitor 8.
  • This is a diagram showing the initial menu screen of the destination setting by selecting and determining “Destination setting” 101 from the five menu items of “104” and “Various settings” 105. . Selection and determination of screen items are performed using a joystick, which is a part of the input device 4, as in the first embodiment.
  • FIG. 5B is the same as FIG. 2B of the first embodiment.
  • “Golf course” 201 is selected and determined, the screen is
  • the menu “From facility” 501 in FIG. 5 (a) is determined by searching for facilities by prefecture. Therefore, in Fig. 5 (c), the names of prefectures are listed in alphabetical order.
  • the scroll operation of the list display is the same as the case of the list display of the facility names in the first embodiment. If "Aichi" 502 is selected and determined here, the screen moves to the display of Fig. 6 (a).
  • FIG. 6 (a) five golf course names from a plurality of golf courses existing in “Aichi Prefecture” are listed (listed) in alphabetical order in the right half 301 of the screen.
  • a map is displayed at a scale that allows the entire "Aichi prefecture” to be displayed on a map.
  • the map is further marked with a star to indicate the location of the five golf courses listed.
  • golf courses that are focused on the list display are also highlighted on the map.
  • Fig. 6 (a) it is highlighted by a frame.
  • the list display of the right half of the screen 301 is a list of golf courses in "Aichi Prefecture", so all that is displayed on the map on the whole "Aichi Prefecture” in the left half of the screen 302 Is performed.
  • FIG. 6 (b) a list of municipalities for designating a region in the right half 301 of the screen is displayed in alphabetical order.
  • the screen moves to the display of Fig. 6 (c).
  • the list display of the right half 301 of the screen in FIG. 6 (c) exists in “ ⁇ ⁇ City”.
  • a list of golf courses to be played is displayed.
  • the map display of the left half of the screen 302 is calculated in the same manner as in the first embodiment, by calculating the scale of the map such that the five golf courses in the right list display are exactly included. The scaled map is displayed You.
  • the selected golf course is determined as the destination, as in the first embodiment, and the screen is displayed as shown in FIG. Move to 6 (d).
  • a map is displayed on a predetermined scale centering on the golf course where the destination has been determined.
  • facility search data managed by prefecture is used.
  • the destination can be searched using the prefecture as a key.
  • the scale of the map is automatically calculated based on the coordinates displayed in the list so that all the facilities displayed in the list can be displayed on the map.
  • the scale of the map is automatically calculated so that all the facilities of the updated list display can be displayed on the map.
  • the number of list displays is five.
  • the number may be five or more, or may be five or less.
  • the scale of the map that can display all the displayed facilities is calculated.
  • landmarks such as schools, government offices, convenience stores, gas stations, department stores, parking lots, florists, CD stores, restaurants, hot springs, ski resorts, etc.
  • Facilities This means that the facility is not necessarily limited to a building or the like in this specification. In other words, anything that can be displayed on a map apart from roads can be called a facility.
  • the car navigation device has been described as an example.
  • the present invention is not limited to this.
  • the present invention can be applied to a portable navigation device.
  • the present invention can be applied to a mobile phone.
  • the example of the car navigation device in Japan has been described, but the present invention is not limited to this.
  • the present invention is also applicable to car navigation devices in the United States, European countries, and countries around the world.
  • the “facility” in the above embodiment corresponds to a “facility” corresponding to each country.
  • administrative divisions such as prefectures in Japan correspond to administrative divisions (for example, provinces, prefectures, districts, and countries) that correspond to each country.
  • each country may be considered to be equivalent to an administrative division such as a prefecture in the above embodiment.
  • the control program executed by the control circuit 3 of the force navigation device has been described as being stored in the ROM 12, but the present invention is not limited to this. There is no.
  • the control program and its installation program may be provided on a recording medium such as CD-ROM14.
  • FIG. 7 is a diagram showing this state.
  • the force navigation device 21 is the car navigation device described above, and has a function of connecting to the communication line 22.
  • the computer 23 is a server computer that provides a control program for the car navigation device 21 and stores the program.
  • the communication line 22 is a communication line such as the Internet or personal computer communication, or a dedicated communication line.
  • the communication line 202 includes a telephone line and a wireless telephone line such as a mobile phone.
  • the program can be supplied as a computer program product that can be read in various forms such as a recording medium and a carrier wave.
  • the above-described control program may be executed on a personal computer to realize a power navigation device.
  • the current position detection device 1 and the like may be connected to a predetermined I / O port of the personal computer.

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  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instructional Devices (AREA)
  • Digital Computer Display Output (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Traffic Control Systems (AREA)
  • Processing Or Creating Images (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

Dispositif de commande / d'affichage de carte comprenant une unité de commande / d'affichage de carte destinée à commander un dispositif d'affichage sur la base des données d'affichage de carte, de manière à afficher une carte sur le dispositif d'affichage à une échelle prédéterminée, une unité de récupération d'installations destinée à récupérer une installation correspondant à une condition spécifique sur la base des données sur l'installation, en rapport avec les installations correspondantes affichées sur une carte, et une unité de commande / d'affichage d'installations pour commander le dispositif d'affichage de manière à afficher sous forme d'une liste, sur le dispositif d'affichage, des informations en rapport avec les installations, récupérées par l'unité de récupération des installations sur la base d'un nombre indiqué d'installations dans l'unité d'affichage et de commande de carte. L'unité de commande et d'affichage d'installations fonctionne de manière à afficher les informations sous la forme d'une liste sur un nombre indiqué d'installations; elle calcule l'échelle de la carte dans son intégralité pour pouvoir afficher sur l'afficheur la totalité de la carte, y compris toutes les positions figurant parmi les installations affichées sous la forme d'une liste et; elle commande le dispositif d'affichage de manière à afficher sur le dispositif d'affichage la totalité de la carte, basée sur l'échelle calculée.
PCT/JP2002/000126 2001-01-11 2002-01-11 Dispositif de commande / d'affichage de carte et procede de commande / d'affichage de carte WO2002055961A1 (fr)

Applications Claiming Priority (2)

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JP2001-4243 2001-01-11
JP2001004243A JP4723729B2 (ja) 2001-01-11 2001-01-11 地図表示制御装置および地図表示制御プログラム

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JP6531382B2 (ja) * 2014-07-21 2019-06-19 アイシン・エィ・ダブリュ株式会社 情報案内システム、情報案内方法及びコンピュータプログラム
JP5851574B2 (ja) * 2014-09-19 2016-02-03 株式会社ゼンリンデータコム 施設情報提供装置、施設情報提供方法および施設情報提供用プログラム
JP6350267B2 (ja) * 2014-12-22 2018-07-04 アイシン・エィ・ダブリュ株式会社 情報案内システム、情報案内方法及びコンピュータプログラム
JP5918432B2 (ja) * 2015-12-01 2016-05-18 株式会社ゼンリンデータコム 地図表示装置、地図表示装置の制御方法、地図表示装置の制御プログラム
JP5957626B1 (ja) * 2016-04-07 2016-07-27 株式会社ゼンリンデータコム 地図表示装置、地図表示装置の制御方法および制御プログラム

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JPH112538A (ja) * 1997-06-12 1999-01-06 Alpine Electron Inc ナビゲーション装置
JPH11142171A (ja) * 1997-11-13 1999-05-28 Aisin Aw Co Ltd 車両用ナビゲーション装置及びそのプログラムを記録した記憶媒体
JP2000066584A (ja) * 1999-07-02 2000-03-03 Pioneer Electronic Corp ナビゲ―ション装置

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* Cited by examiner, † Cited by third party
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JPH09292262A (ja) * 1996-04-26 1997-11-11 Alpine Electron Inc 周辺施設検索表示方法及び誘導経路の目的地設定方法
JPH1040055A (ja) * 1996-07-18 1998-02-13 Koonet:Kk 情報提供装置及び記憶媒体
JPH10153449A (ja) * 1996-09-30 1998-06-09 Aisin Aw Co Ltd 車両用ナビゲーション装置及び記憶媒体
JPH10288533A (ja) * 1997-04-11 1998-10-27 Alpine Electron Inc 車載用ナビゲーション装置の施設探索方法
JPH10301484A (ja) * 1997-04-28 1998-11-13 Pioneer Electron Corp 地図表示制御方法及び装置並びに地図表示制御用プログラムを記録した記録媒体
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