JP3678707B2 - Navigation system using applet program - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present inventionApplet programFor example, JAVA, which is a programming language that is applied to a map display and operates on a WWW browser.(Registered trademark)The present invention relates to a navigation system using applets.
[0002]
[Prior art]
  Traditionally,Applet programIn general, a navigation system using is used in a map display for route guidance. In this application, the conventional technology uses a still image as a map display method for performing route guidance, assigns a number to a point serving as a mark on the map, and presses a numeric button of the corresponding terminal, The guide text about the placemark is displayed outside the map. In addition, the selected route is indicated by a bold line, and the route is clarified even in a monochrome screen.
[0003]
  Japanese Patent Application Laid-Open No. 2001-4384 discloses “a map display method, a map display system, a map generation device, and a recording medium on which a map generation program is recorded”. In invention example 1 of this prior application, a landmark in route guidance is selected by referring to map data, a landmark number is assigned in the order from the start point to the end point of the route, and the number at a position that does not overlap with other figures on the displayed map. Is placed, the route is bolded, and the distance to the destination is displayed.
[0004]
  Japanese Patent Laid-Open No. 2001-243250, “Position Information Retrieval System” of Invention Example 2 of the prior application makes it possible to retrieve position information according to various search objects, generates map image data, and displays it on the display unit. Is possible.
[0005]
  Japanese Patent Application Laid-Open No. 2001-43479 of Prior Application Example 3 not only displays the current position, but also displays the current position as a starting point and the traveling direction to the destination on the map. A route guidance center indicated by an arrow and a procedure of the guidance method are disclosed.
[0006]
  The "portable map display device" disclosed in Japanese Patent Application Laid-Open No. 2001-159529 of Invention Example 4 of the prior application performs data communication with an information center via a mobile phone, and present location data, map data, route guidance data Etc. are supplied, and based on these data, the route is displayed superimposed on the map display. In addition, the screen discloses contents for displaying a moving image in which a dotted line with an arrow indicating a route from the current position to the destination is sequentially blinked so as to pass toward the destination.
[0007]
  The "mobile terminal device, communication center device, and position information providing device" disclosed in Japanese Patent Application Laid-Open No. 2001-201352 of Invention Example 5 of the prior application allows the communication center device to have the functions of the navigation device and is portable with the communication center device. A technique for significantly reducing the signal processing and data amount of the terminal device main body on the mobile terminal device side by communicating via telephone or PHS is disclosed.
[0008]
  The “geographic information output system” disclosed in Japanese Patent Application Laid-Open No. 2001-280992 of Invention Example 6 of the prior application is a departure position, a surrounding map of the departure position, a movement destination, search for corresponding map data, and from the departure place to the movement destination. The procedure for providing the optimal route is disclosed.
[0009]
[Problems to be solved by the invention]
  However, in the above prior art, a terminal having a relatively small display screen such as a mobile phone has a small display capacity of one screen, and route guidance using a still image is complicated and difficult to understand for a user. .
[0010]
  In the examination of the above prior inventions, except for the prior invention example 6, the starting point of route guidance is set not at the current location of the user but at the nearest station, etc. It is. Other than the prior application invention example 4 including the prior application invention example 4, there is no sequentiality indicating the current position on the map display according to the movement status of the mobile communication terminal. In order to provide detailed information in a terminal having a relatively small display screen such as the above-described mobile phone, there are problems such as limitations on hardware capacity for processing functions in addition to the display screen.
[0011]
  Currently, the display screen of mobile communication terminals such as mobile phones is colored, the GPS (GLOBAL POSITIONING SYSTEM) module is downsized, the W-CDMA (WIDEBAND CDMA) is in practical use, and can be operated on mobile communication terminalsApplet programDevelopment is progressing. In such a technical environment, for the construction of a navigation (route guidance) system using a mobile communication terminal, it is desired to realize a system that is easier for users to use and understand.
[0012]
  The present invention improves the convenience by applying these latest technologies, and the best route guidance information that can be used on a mobile terminal can be obtained.Applet programThe purpose is to provide a navigation system using the.
[0013]
[Means for Solving the Problems]
  In order to achieve this object, the present inventionApplet programThe navigation system using the mobile communication terminal includes a mobile communication terminal configured as a predetermined mobile communication network and mobile communication system, departure and arrival point information from the mobile communication terminal, and terminal identification information unique to the mobile communication terminal. A route determination information program generation request is transmitted via a mobile communication network, a route determination is performed based on the transmitted request, and a route guidance information program is determined based on the route determination result.Applet formatThe route guidance information program is generated by the above-mentioned information, and the route guidance information program displays a mark indicating the current position of the local station in an overlapping manner in the guidance image while referring to the current position coordinate data of the local station. The function is configured, the generated route guidance information program is transmitted from the server to the mobile communication terminal via the mobile communication network, the navigation content from the departure point to the arrival point is played back as a video, and the mobile phone including the mobile phone The communication terminal is characterized in that browsing is possible in a timely manner.
[0014]
  In addition, the navigation content is composed of video and audio guidance information, and the route guidance from the departure point to the arrival point is timely viewed in video playback format with video and audio regardless of the current position of the mobile communication terminal. It should be possible.
[0015]
  Furthermore, the mobile communication terminalApplet programIs stored as data, and the current position of the mobile communication terminal is displayed on the screen, and the progress of the navigation content is linked with the current position information of the local station. It is preferable that the user can perform operations such as fast forward, rewind, and pause.
[0016]
  Note that the map displayed by the navigation content image can be scaled and transferred to another communication terminal different from the mobile communication terminal so that the same navigation content can be viewed mutually. Other communication terminals include both mobile communication terminals and fixed communication terminals such as personal computers, and the current location of the local mobile communication terminal, the other station communication terminal's It may be possible to select from either the current position or an arbitrary point input by the user.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
  Next, according to the present invention with reference to the accompanying drawingsApplet programAn embodiment of a navigation system using the above will be described in detail. 1 to 3 illustrate the present invention.Applet programIt is a figure for demonstrating the navigation system using FIG. FIG. 1 is a block diagram of a route guidance information program generating apparatus 201, FIG. 2 is a block diagram of the entire navigation system, and FIG. 3 is a block diagram of a mobile communication terminal.
[0018]
  First, using FIG.Applet program (JAVA (registered trademark) applet)An overall configuration of a navigation system using the system will be described. The mobile communication terminal A 201, the base station A 203, the exchange 207, and the gateway 208 constitute a mobile communication network, and the route guidance information program generation device 210 is connected to the gateway 208 via the server 209. It is connected to the Internet 211 to which ISDN / PSTN 212 and fixed communication terminal 213 are connected.
[0019]
  In the above system configuration, a request for generating a route guidance information program including departure and arrival point information from the mobile communication terminal A201 and terminal identification information unique to the mobile communication terminal A201 is transmitted to the server 209 via the mobile communication network. Is done. Based on this request, the route guidance information program generation device 210 determines a route, and on the basis of the result, the route guidance information program is determined.Applet formatGenerate with The generated route guidance information program is transmitted from the server 209 to the mobile communication terminal A201 via the mobile communication network, and stored in the storage unit 308 (described in FIG. 3) of the mobile communication terminal A201.Applet program dataStore as.
[0020]
  The mobile communication terminal B202 is a mobile station belonging to the same mobile communication network as the mobile communication terminal A201.
  Base station B204 and base station C205 are mobile stations belonging to the same mobile communication network as base station A203.
[0021]
  Next, the internal configuration of the route guidance information program generating apparatus 210, which is the main component of the present invention, will be described with reference to FIG.
  The route guidance information program generation device 210 includes a reception unit 101, a transmission unit 102, a control unit 103, a storage unit 104, a route determination unit 105, a guidance image generation unit 106, a guidance voice generation unit 107, a program editing unit 108, and a map database 109. A voice database 110 and a program module database 111.
[0022]
  In the above configuration, first, the receiving unit 101 receives a request for generating a route guidance information program from the server 209 and transmits it to the control unit 103.
  The control unit 103 notifies the request content (departure point and arrival point) to the route determination unit 105 and simultaneously stores the request content and terminal identification information unique to the mobile communication terminal in the storage unit 104.
  The route determination unit 105 refers to the route information prepared in the map database 109, determines a route optimal for this request, and notifies the control unit 103 of the route.
[0023]
  The control unit 103 notifies the guidance image generation unit 106 of the optimum route information notified from the route determination unit 105 and at the same time instructs the generation of a route guidance moving image.
  The guidance image generation unit 106 refers to the map image data prepared in the map database 109, generates moving image data used for route guidance, and notifies the control unit 103 of the moving image data. The above map image data is image data that is the basis for configuring moving image data, and a moving image is generated by connecting these.
  The moving image generated by the guidance image generation unit 106 includes a timely display of a so-called pop-up guidance notation (such as an arrow indicating a right turn point) when it comes to a place that is a landmark on route guidance. .
[0024]
  Next, the control unit 103 stores the route guidance moving image data in the storage unit 104 and at the same time instructs the guidance voice generation unit 107 to generate guidance voice based on the route guidance moving image data.
  The guidance voice generation unit 107 refers to the voice data prepared in the voice database 110 and the route guidance moving image data stored in the storage unit 104, generates guidance voice data used for route guidance, and controls the control unit 103. Notify The above-mentioned voice data is voice data that is a base when the guidance voice data is configured, and a voice guidance sentence is configured by connecting these voice data.
[0025]
  The guidance voice data generated by the guidance voice generation unit 107 includes a guidance voice (such as an announcement that prompts a right turn as an example) that is sounded in a timely manner in synchronization with a pop-up image when it comes to a place that serves as a mark on route guidance. Is included.
  Next, the control unit 103 stores the route guidance voice data in the storage unit 104 and at the same time instructs the program editing unit 108 to generate a route guidance information program based on the route guidance moving image data and the route guidance voice data.
[0026]
  The program editing unit 108 uses the program modules prepared in the program module database 111 and the route guidance moving image image data and route guidance voice data stored in the storage unit 104 to execute a route guidance program.Applet programConfigured to be notified to the control unit 103. The program module is a software function block group used as a component when configuring a route guidance program, and is modularized for each functional block in order to flexibly cope with the generation of various route guidance programs.
[0027]
  By synthesizing the program module group and the route guidance moving image data and the route guidance voice data stored in the storage unit 104,Applet formatA route guidance information program is generated.
  Finally, the control unit 103 stores the route guidance information program in the storage unit 104, and at the same time, refers to the association information between the request contents already stored in the storage unit 104 and the terminal identification information unique to the mobile communication terminal. After the route guidance information program and the terminal identification information unique to the mobile communication terminal are associated with each other, the route guidance information program is transmitted to the server 209 via the transmission unit 102.
[0028]
  Next, device internal configurations of mobile communication terminal A 201 and mobile communication terminal B 202 will be described using FIG.
  The mobile communication terminal A 201 and the mobile communication terminal B 202 transmit a request, transmit / receive a route guidance information program, and a route guidance information program (Applet program), A radio unit 301, a baseband unit 302, a control unit 303, an audio CODEC unit 304, an audio circuit 305, a speaker 306, a microphone 307, a storage unit 308, a display unit 309, and a key. Operation unit 310,Applet processing section311 and a GPS module interface 312.
[0029]
  An external GPS module 313 is connected to the GPS module interface 312.
  The control unit 303 controls all parts included in the mobile communication terminal and controls transmission / reception data transfer.
[0030]
  The radio unit 301 frequency-converts the audio frequency band transmission data input from the baseband unit 302 into a radio frequency band signal and transmits the signal to the base station (base station A 203, base station B 204, base station C 205). The radio frequency band signal received from the station is converted into an audio frequency band signal and output to the baseband unit 302.
[0031]
  The baseband unit 302 converts the audio digital signal after CODE input from the audio CODEC unit 304 and the data digital signal input from the control unit 303 into transmission data in the audio frequency band, and performs interleaving processing. The data is output to the post-radio unit 301, received data in the audio frequency band input from the radio unit 301 is subjected to deinterleaving processing, converted into a digital signal, and output to the audio CODEC unit 304 or the control unit 303.
  The audio CODEC unit 304 converts the analog audio signal input from the audio circuit 305 into a digital signal converted to CODE, outputs the digital signal to the baseband unit 302, and converts the digital signal input from the baseband unit 302 into an analog audio signal. The data is converted and output to the audio circuit 305.
[0032]
  The audio circuit 305 amplifies the analog audio signal input from the microphone 307 and outputs it to the audio CODEC unit 304, and outputs the analog audio signal input from the audio CODEC unit 304 to the speaker 306.
  The storage unit 308 is used as a work area for storing main data, various setting values, user data such as a received route guidance information program, and program operation.
[0033]
  The display unit 309 performs various displays in accordance with instructions from the control unit 303, and generally uses a liquid crystal display device or the like.
  The key operation unit 310 includes function keys for various operations and keys for inputting characters and alphanumeric characters.
  Applet processing sectionReference numeral 311 denotes a portion for executing the received route guidance information program, and image data to be displayed on the display unit 309 and the audio circuit 305 in accordance with an instruction from the control unit 303 corresponding to a user operation input from the key operation unit 310. The audio data to be output to is transferred from the storage unit 308 to the control unit 303. The image data and audio data transferred to the control unit 303 are displayed on the display unit 309 in a timely manner under the control of the control unit 303 or sounded from the speaker 306 via the audio circuit 305.
[0034]
  The GPS module interface 312 is an interface for connecting an external GPS module 313 and is used to obtain coordinate data of the current position of the mobile communication terminal. The coordinate data is output to the control unit 303 and then stored in the storage unit 308. Remembered. In addition, as another functional unit for the mobile communication terminal to obtain the coordinate data of the current position of its own station, it receives from each base station by simultaneously receiving radio waves received from a plurality of base stations using a so-called W-CDMA system. There is a method of calculating the delay time difference of received radio waves to determine the current position of the own station.
[0035]
  In the embodiment of the present invention, as a method for the mobile communication terminal to obtain the current position coordinate data of its own station, either the method using the GPS module or the method using the W-CDMA method is used. Assumption.
[0036]
  (Operation)
  Hereinafter, the operation of the present embodiment when the mobile communication terminal A201 can use the GPS system or the W-CDMA communication system and can acquire the current position coordinate data of the own station will be described.
[0037]
  All user operations are performed while confirming the key input to the key operation unit 310 and the display content of the display unit 309. First, the user activates a route guidance information program acquisition operation menu by key input to the key operation unit 310. The subsequent operation menu proceeds in the order of starting point input, arrival point input, and request transmission execution. First, in the starting point input menu, an arbitrary point, the current position of the own station, or the current position of another station is selected. In this embodiment, the GPS system or the W-CDMA communication system is selected. The coordinate data of the current local station acquired by use is set as the current position of the local station.
[0038]
  Next, in the input menu of arrival points, an arbitrary point, the current position of the own station, or the current position of another station is selected. In this embodiment, an arbitrary point is selected. When an arbitrary point is selected, input of detailed information for specifying this point is required. Examples of the detailed information to be input include a telephone number, an address, and a store name. Next, an execution operation is performed in the request transmission execution menu. When the request transmission execution operation is performed, the control unit 303 displays the departure point information, the arrival point information, and the terminal identification information unique to the mobile communication terminal A 201 stored in the storage unit 308 in advance by the user operation. An association and a request are transmitted to the base station A 201 via the baseband unit 302 and the radio unit 301.
[0039]
  The request received by the base station A 201 is transmitted to the route guidance information program generating apparatus 210 via the exchange 207, the gateway 208, and the server 209. When the request received by the route guidance information program generation device 210 is transmitted to the control unit 103 via the reception unit 101, the control unit 103 performs the route determination unit 105, the guidance image generation unit 106, the guidance voice generation unit 107, and the program editing. The unit 108 is sequentially instructed,Applet formatA route guidance information program is generated. The generated route guidance information program is associated with terminal identification information unique to the mobile communication terminal A 201 and transmitted to the server 209 via the transmission unit 102.
[0040]
  The route guidance information program received by the server 209 is transmitted to the mobile communication terminal A201 via the gateway 208, the exchange 207, and the base station A201. When receiving the route guidance information program, the mobile communication terminal A 201 stores it in the storage unit 308. Thus, the process up to acquisition of the route guidance information program is completed.
[0041]
  Next, an operation when the acquired route guidance information program is executed will be described. Two forms are prepared as execution forms of the route guidance information program.
[0042]
  In the first embodiment, route guidance from a departure point to an arrival point is browsed in a timely manner in a video playback format using moving images and sounds regardless of the actual current position of the mobile communication terminal. FIG. 4 is a diagram for explaining a display example when the route guidance information program is executed in the first embodiment in the mobile communication terminal of the embodiment of the present invention. It has a function to perform stop, fast forward, and rewind operations.
[0043]
  The key for performing the above operation may include a dedicated key specialized for each operation in the key operation unit 310, or displayed as a soft key on the display unit 309, and the key actually operated is the key operation unit 310. Any existing key may be assigned to. The scale of the image displayed on the display unit 309 can be arbitrarily set by a user operation, and the detailed position can be visually confirmed. For this reason, it is highly convenient for users who access their destinations on foot. In addition, a mark indicating the virtual own station position in the route is superimposed on the route guidance screen display, and the virtual own station position moves following the progress of the route guidance screen. Therefore, even when the scale is set in detail, the local station position in one screen of the display unit 309 is not lost. In addition, when the user approaches a place that is a key point on route guidance, the voice guidance is uttered at the same time that the instruction content is clearly indicated by a pop-up display.
[0044]
  As a more specific example, when a point to turn right approaches, a mark that clearly indicates a right turn is displayed, and at the same time, voice guidance that prompts a right turn is uttered. Further, the route guidance information program of the present embodiment is a single program and has a function of reproducing not only the outward route but also the backward route. Thereby, the acquired route guidance information program can be effectively used with one request.
[0045]
  In the second embodiment, route guidance from the departure point to the arrival point is executed in conjunction with the current position of the actual mobile communication terminal A201 in the form of a car navigation system using moving images and voices. The mobile communication terminal A 201 can sequentially obtain the current position coordinate data of its own station using a GPS system or a W-CDMA communication system. Further, the route guidance information program has a function of adjusting the progress of the program so that the current position of the local station is included in the guide image being displayed on the display unit 309 while referring to the current position coordinate data of the local station. In addition, a function unit that displays a mark indicating the current position of the local station on the guide image displayed on the display unit 309 is displayed. As a result, even in a mobile communication terminal such as a mobile phone, it is possible to provide easy-to-understand route guidance equivalent to the in-vehicle navigation system.
[0046]
  The first embodiment and the second embodiment have been described above. The greatest feature of the present invention is that it reduces the amount of information displayed on one screen at a time using moving images, thereby eliminating the complexity of display contents and adding auxiliary functions such as pop-up display and voice guidance. Thus, route guidance that is easy for the user to understand is realized on a mobile communication terminal having a relatively small display screen represented by a mobile phone.
[0047]
  (Effect of Example)
  1. By using route guidance by moving images and voice, it is possible to provide route guidance information that is easy for the user to understand and has entertainment.
  2. It is possible to provide general-purpose route guidance information by using a method capable of exchanging route guidance information between different terminals.
  3. Program used to execute route guidance (Applet program) Can be used even on portable terminals with low information processing capabilities.
  4). Since the current positions of the mobile communication terminals of the local station and other stations can be set as the starting point or the arriving point for route guidance, it is possible to provide practical route guidance information that is easy for the user to understand.
[0048]
  (Application 1)
  The mobile communication terminal A201 transmits a longitude / latitude, an address, a telephone number, and the like as information on a departure point or an arrival point that is transmitted at the time of request transmission. Thereby, the user can obtain a route guidance information program between arbitrary points regardless of the current position of the own station.
[0049]
  (Application example 2)
  The mobile communication terminal A201 uses the GPS system or the W-CDMA communication system as a communicating device (mobile communication terminal B202), and holds the current position coordinate data of the opposite device (mobile communication terminal B202) itself. If there is a function unit for acquiring the current position data of the opposite device, the information is transmitted as information on a departure point or an arrival point to be transmitted at the time of request transmission. Thereby, the route guidance information program regarding an opposite machine can be obtained.
[0050]
  (Application 3)
  The mobile communication terminal A201 has a functional unit that transfers the route guidance information program once obtained to the opposite device (mobile communication terminal B202) via the mobile communication network. As a result, the route guidance information program can be similarly activated and viewed on the opposite device. For this reason, it can serve as a guide map for the user of the opposite device.
[0051]
  (Application 4)
  The mobile communication terminal A201 has a function unit that transfers a route guidance information program obtained once to the fixed communication terminal 213 via the mobile communication network, the Internet 211, and the ISDN / PSTN 212, and the fixed communication terminal 213 has this route guidance. A functional unit for executing the information program; Accordingly, the route guidance information program can be similarly activated and browsed on the fixed communication terminal 213. For this reason, it can serve as a guide map for the user of the fixed communication terminal 213.
[0052]
  The present invention relates to a route guidance (navigation) system that can be used in a mobile communication terminal such as a mobile phone,Applet programControl unit to executeApplet program MuMobile communication terminal including at least a storage unit for storing information, a display unit, a speaker unit, and an operation unit, and navigation provided on the center sideApplet programThe (route guidance information program) generating device is a main component.
[0053]
  Thus, it provides easy-to-understand route guidance information that is easy to understand by voice synchronized with the moving image and the moving image. In addition, route guidance information programApplet formatTherefore, the route guidance information program can be exchanged with a terminal other than the portable communication terminal such as a personal computer. As a result, information can be transmitted from one to the other, and versatile route guidance information can be provided. The route guidance information program (Applet program) On the center side, it is possible to use high-quality route guidance information on a portable terminal with low information processing capability. Further, by using a GPS (GLOBAL POSITIONING SYSTEM) or a W-CDMA (WIDEBAND CDMA) system, the current positions of the mobile communication terminals of the local station and other stations can be set as a departure point or an arrival point for route guidance. Therefore, it is possible for the user to provide easy-to-understand and practical route guidance information.
[0054]
  The above-described embodiment is an example of a preferred embodiment of the present invention. However, the present invention is not limited to this, and various modifications can be made without departing from the scope of the present invention. For example, the mobile communication terminal A201 and the mobile communication terminal B202 have been described as being two, but three or more may be used.
[0055]
【The invention's effect】
  As is clear from the above description, the present inventionApplet programThe navigation system using the mobile communication terminal is configured as a predetermined mobile communication network and a mobile communication system, and includes a departure and arrival point information from the mobile communication terminal and terminal identification information unique to the mobile communication terminal. A request for generating the guidance information program is transmitted from the server via the mobile communication network. The route is determined based on the transmitted request, and the route guidance information program is executed based on the result of the route determination.Applet formatIs generated by the route guidance information program generating device. The generated route guidance information program is transmitted from the server to the mobile communication terminal via the mobile communication network, and the navigation content from the departure point to the arrival point is reproduced as a moving image so that it can be viewed in a timely manner. By applying these latest technologies, the best route guidance information that can be used with a miniaturized portable terminal such as a cellular phone can be obtained.
[Brief description of the drawings]
FIG. 1 of the present inventionApplet programIt is the block diagram which showed the structure of the route guidance information program production | generation apparatus which is embodiment of the navigation system using FIG.
FIG. 2 is a block diagram showing an example of the overall configuration of a navigation system.
FIG. 3 is a block diagram showing a configuration example of a mobile communication terminal.
FIG. 4 is a diagram showing a display example when a route guidance information program is executed on a mobile communication terminal.
[Explanation of symbols]
  101 Receiver
  102 Transmitter
  103 Control unit
  104 Storage unit
  105 Route determination unit
  106 Guide image generator
  107 Guidance voice generator
  108 Program Editor
  109 Map database
  110 Voice database
  111 Program module database
  201 Mobile communication terminal A
  202 Mobile communication terminal B
  203 Base station A
  204 Base station B
  205 Base station C
  206 GPS communication satellite
  207 switchboard
  208 gateway
  209 server
  210 Route guidance information program generation device
  211 Internet
  212 ISDN / PSTN
  213 Fixed communication terminal
  301 Radio unit
  302 Baseband part
  303 control unit
  304 Voice CODEC
  305 Audio circuit
  306 Speaker
  307 microphone
  308 Storage unit
  309 display
  310 Key operation unit
  311Applet processing section

Claims (9)

A mobile communication terminal configured as a predetermined mobile communication network and mobile communication system;
A server for transmitting a route guidance information program generation request including the departure point information and the arrival point information from the mobile communication terminal and terminal identification information unique to the mobile communication terminal via the mobile communication network;
A route guidance information program generating device that performs route determination based on the transmitted request, and generates the route guidance information program in an applet format based on the result of the route determination;
The route guidance information program is configured with a function of displaying a mark indicating the current position of the local station in a guide image while referring to the current position coordinate data of the local station,
The generated route guidance information program is transmitted from the server to the mobile communication terminal via the mobile communication network, and the navigation contents from the departure point to the arrival point are reproduced as a moving image, and the mobile phone including the mobile phone A navigation system using an applet program characterized by enabling timely browsing on a communication terminal. The navigation content includes video and audio guidance information, and the route guidance from the departure point to the arrival point is timely viewed in a video playback format using video and audio regardless of the current position of the mobile communication terminal. The navigation system using the applet program according to claim 1, wherein the navigation system is possible. The navigation system using an applet program according to claim 1 or 2, wherein the mobile communication terminal includes a storage unit for storing the applet program as data. The applet program according to claim 2 or 3, wherein the current position of the mobile communication terminal is displayed on a screen, and the progress of the navigation content is linked with current position information of the own station. Navigation system. The navigation system using an applet program according to any one of claims 2 to 4, wherein a user can operate fast-forwarding, rewinding, pausing and the like for reproducing the moving image. The navigation system using an applet program according to any one of claims 1 to 5, wherein the map displayed by the navigation content image can be changed in scale. The applet program according to any one of claims 1 to 6, wherein the program file is transferred to another communication terminal different from the mobile communication terminal, and the same navigation content can be browsed mutually. Navigation system using 8. The navigation system using an applet program according to claim 7, wherein the other communication terminal includes any of a mobile communication terminal and a fixed communication terminal such as a personal computer. The navigation content can be selected from the current location of the local mobile communication terminal, the current location of the other station communication terminal, or any point input by the user, as a setting target of the departure point or destination of the navigation content. A navigation system using the applet program according to claim 7 or 8.

Images