JP4978219B2 - Information transmission system and information server - Google Patents

Information transmission system and information server Download PDF

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JP4978219B2
JP4978219B2 JP2007024567A JP2007024567A JP4978219B2 JP 4978219 B2 JP4978219 B2 JP 4978219B2 JP 2007024567 A JP2007024567 A JP 2007024567A JP 2007024567 A JP2007024567 A JP 2007024567A JP 4978219 B2 JP4978219 B2 JP 4978219B2
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information
area
unit
mobile terminal
feature
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JP2008193336A (en
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英志 北川
鏡子 奥山
亮介 宮田
拓郎 池田
俊之 福岡
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富士通株式会社
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  The present invention relates to a mobile terminal device including a communication unit that performs wireless communication and a display unit that displays an image on a display screen, and responds to a transmission request for information from the mobile terminal device by storing information. The present invention relates to an information transmission system including an information server that transmits information to the mobile terminal device, a mobile terminal device configuring the information transmission system, and an information server configuring the information transmission system.

  Conventionally, many systems have been proposed that allow information such as traffic jams to be acquired in real time using a network such as the Internet. Such a system usually includes a mobile terminal device (for example, a mobile phone) having a communication unit that performs wireless communication and a display unit that displays an image on a display screen, and a mobile terminal device that stores information. An information server is provided for transmitting information to the mobile terminal device in response to the information transmission request.

  For example, Patent Document 1 proposes a technology that enables a mobile terminal device having a GPS function to download and acquire information on an area that is about to move from an information server immediately before moving to that area. For example, Patent Document 2 proposes a system in which a navigation device, which is a mobile terminal device, receives traffic information from a navigation server that provides traffic information and displays the traffic information on a map on a display screen. ing.

  In addition, even a small mobile terminal device that cannot have a GPS function can receive necessary information on the display screen of the mobile terminal device so that it can receive only a necessary amount of information from the information server when necessary. A system that enables display is also proposed (see, for example, Patent Document 3).

  By the way, there are various information on the Internet, and various information can be downloaded as needed. In a mobile terminal device having a GPS function as disclosed in Patent Document 1, various information included in the latitude / longitude information can be obtained by using latitude / longitude information acquired using the GPS function as a search keyword. Can be obtained.

However, if a large amount of information is obtained when a keyword search is performed on the Internet, it becomes necessary to perform a narrow search by specifying a keyword or the like. A user carrying a mobile terminal device has no time to search for necessary information by performing such an operation when he wants to obtain information in real time. A user who intends to obtain information by using a mobile terminal device is required only to promptly present necessary information.
Japanese Patent Laid-Open No. 9-130861 JP 2004-234649 A JP-A-9-8917

  The present invention relates to an information transmission system in which a user having a mobile terminal device can obtain necessary information by a simple operation during movement, a mobile terminal device constituting the information transmission system, and the information transmission system It is an object of the present invention to be able to acquire information by a simple operation from a large amount of miscellaneous information.

  An information transmission system of the present invention that achieves the above object includes a mobile terminal device that includes a communication unit that performs wireless communication, a display unit that displays an image on a display screen, and the mobile terminal that stores information and stores the information. An information transmission system comprising an information server that transmits information to a mobile terminal device in response to a request for information transmission from the device, wherein the information server stores detailed information for each geographical area A feature information creation unit that creates feature information representing features of each geographical area based on the detailed information, and a feature information storage unit that stores feature information for each area created by the feature information creation unit. In response to a transmission request designating an area from the mobile terminal device, the feature information of the area and the detailed information storage stored in the feature information storage unit toward the mobile terminal device An information transmission unit that transmits detailed information of the area stored in the mobile terminal device, the mobile terminal device acquires the current location information of the mobile terminal device, and the communication unit includes the information An information reception control unit for specifying an area for the server and requesting transmission of information on the area to receive the feature information and detailed information of the area from the information server, and the display unit on the display screen And an information display control unit for displaying the feature information on the display screen and waiting for a detailed information display instruction operation from the user to display the detailed information on the display screen.

  According to the information transmission system of the present invention, the mobile terminal device causes the communication unit to specify an area and make a transmission request for information on the area, and the information reception control unit included in the mobile terminal device includes: The communication unit is caused to receive characteristic information and detailed information of the specified area. Further, the information display control unit instructs the display unit to display the feature information of the feature information and the detailed information received by the communication unit on the display screen, and waits for the detailed information display instruction operation on the display screen. To display detailed information.

  Then, when the user on the mobile terminal side needs to see the feature information, the user can perform an instruction operation to display the detailed information of the feature information on the display screen.

  That is, an information transmission system is realized in which a user having a mobile terminal device can obtain necessary information with a simple operation while moving.

  Here, the feature information creation unit creates a plurality of types of feature information for each area based on the detailed information, and the information display control unit performs a plurality of types of features on the display screen. It is good to display information.

  Then, the user can obtain detailed information only when he / she thinks it is necessary information by looking at a plurality of types of feature information.

  The feature information creation unit may extract the keyword from the detailed information and create feature information including the extracted keyword, and the feature information creation unit may generate a feature for each area from the detailed information. Feature information consisting of a feature and a temporal change of the feature may be created, and the feature information creation unit may further create a feature for each area, a feature for each area, and a feature from the detailed information. It may be possible to create feature information including differences from features of adjacent areas adjacent to each area.

  Here, when the mobile terminal device enters a new area, the information reception control unit causes the communication unit to make a transmission request for information on the entered area toward the information server. Preferably there is.

  Then, when you enter the area, you will be requested to send information about the area that you entered to the information server. If you think that you need to look at the area-specific feature information for each area, perform the operation. Detailed information on these features can be obtained.

  Furthermore, it is preferable that the information reception control unit causes the communication unit to make a transmission request for information on the next area ahead of the route of the mobile terminal device.

  Then, the feature information ahead in the traveling direction can be obtained for each area one after another, and if necessary, detailed information can be obtained by a simple operation each time an operation is performed.

  Here, the mobile terminal device may be a mobile phone having a telephone function, and the mobile terminal device is mounted on a mobile phone having a telephone function and a GPS function for acquiring current position information. It may consist of a composite with a car navigation system having

  A mobile terminal device of the present invention that achieves the above object is a mobile terminal device that includes a communication unit that performs wireless communication and a display unit that displays an image on a display screen. An area for an information server that stores location information acquisition unit for acquiring location information, and detailed information for each geographical area and feature information for each area created based on the detailed information in the communication unit An information reception control unit for receiving the feature information and detailed information of the area from the information server, and causing the display unit to display the feature information on the display screen. And an information display control for displaying detailed information on the display screen after waiting for a detailed information display instruction operation from the user.

  The information server of the present invention that achieves the above object stores information and responds to information transmission requests from a mobile terminal device that includes a communication unit that performs wireless communication and a display unit that displays an image on a display screen. An information server that transmits information to the mobile terminal device in response, a detailed information storage unit that stores detailed information for each geographical area, and feature information that represents the characteristics of each geographical area based on the detailed information A feature information creation unit that creates a feature information, a feature information storage unit that stores feature information for each area created by the feature information creation unit, and a transmission request that designates an area from the mobile terminal device. An information transmission unit that transmits the feature information of the area stored in the feature information storage unit and the detailed information of the area stored in the detailed information storage unit toward the terminal device. .

  Here, the information server further includes a detailed information receiving unit that receives detailed information to which geographical location information is attached, and a detailed information classifying unit that classifies the detailed information received by the detailed information receiving unit by area. It is preferable that the detailed information storage unit stores the detailed information classified by the detailed information classification unit.

  The information server receives detailed information with geographical location information posted from many users having mobile phones or personal computers in the detailed information receiving unit, and uses the detailed information classifying unit to When the detailed information posted by many users according to the location information above is classified and classified according to area, the detailed information storage unit stores the detailed information in the storage area. It is possible to transmit the detailed information of the designated area to the mobile terminal device immediately upon receiving the detailed information transmission request designating the area.

  According to the present invention, an information transmission system in which a user having a mobile terminal device can obtain necessary information from a large amount of miscellaneous information with a simple operation during movement, and the information transmission system Is realized, and an information server constituting the information transmission system is realized.

  Embodiments of the present invention will be described below.

  FIG. 1 is a conceptual diagram showing a concept of an information transmission system 1 according to an embodiment of the present invention.

  A mobile terminal device 100 shown in FIG. 1 is a combination of a mobile phone 102 having a telephone function and a car navigation system 101 which is mounted on a car and has a GPS function for acquiring current position information. In other words, when the mobile phone 102 is connected to the car navigation system 101 provided in the car via an adapter, the mobile phone 102 is connected to the Internet via the mobile phone 102 and the information is downloaded from the information server 110 on the center side. Information can be displayed on the screen.

  The information server 110 includes a geophone from a mobile phone 120 having a GPS function and a personal computer (hereinafter referred to as a PC) 130 having a hard disk in which a large number of image information photographed by the mobile phone 120 is recorded. The following description is based on the assumption that image information with the above positional information is posted and a large amount of posted information is accumulated.

  FIG. 2 is a diagram illustrating a configuration of the information transmission system 1 including the mobile terminal device 100 and the center-side information server 110 in the conceptual diagram of FIG.

  The information transmission system 1 shown in FIG. 2 stores a mobile terminal device 100 that is a combination of the navigation system 101 and the mobile phone 102, and stores information in response to a request for transmission of information from the mobile terminal device 100 side. An information server 110 that transmits information to the mobile terminal device 100 is provided.

  The information server 110 includes a detailed information storage unit 1101 that stores detailed information for each geographic area, a feature information creation unit 1102 that creates feature information representing features of each geographical area based on the detailed information, and a feature The feature information storage unit 1103 that stores the feature information for each area created by the information creation unit 1102 and the transmission request designating the area from the mobile terminal device 100 side are received, and the feature is directed toward the mobile terminal device 100. An information transmission unit that transmits the feature information of the area stored in the information storage unit 1103 and the detailed information of the area stored in the detailed information storage unit 1101.

  Although details will be described later, in the present embodiment, two feature information storage units 1103 and 1101 are provided, and a database related to feature information (hereinafter referred to as a feature DB) and a database related to detailed information (hereinafter referred to as feature database) ( In the following explanation, the detailed information storage unit 1101 in which the detailed DB is created is described as an information DB, or a feature information database is created. The feature information storage unit 110 may be described as a feature DB.

  In this example, the communication unit 1104 corresponds to the information transmission unit, and the communication unit 1104 is also provided with a reception function. Among the reception information received using the reception function of the communication unit 1104, there are types such as detailed information posted from the mobile phone 120 or the like and information transmission requests from the mobile terminal device 100 side. In the embodiment, when a command determination unit 1105 is provided and information is received by the communication unit 1104, the command determination unit 1105 determines the content of the received command so that processing can be appropriately executed.

  Further, the information server 110 is provided with a map DB 1106 created in advance for receiving a transmission request designating an area from the mobile terminal device 100 side and discriminating the area. Is also provided with a planned travel area acquisition unit 1108 that searches the route search unit 1107 based on the map data in the map DB 1106 to acquire the planned travel area when the mobile terminal device 100 is transmitted. . Further, as will be described in detail later, an information classification unit 1109 that classifies the posted detailed information for each position information is also provided. This information classification unit 1109 is provided with an additional posting number holding unit 110A for counting the number of postings of detailed information classified for each position information. The additional posting number holding unit 110A includes position information. A table in which the number of posts is written for each (mesh code described later) is provided.

  On the other hand, the mobile terminal device 100 includes a navigation system 101 and a mobile phone 102 (communication unit) connected to the navigation system 101, and the navigation system 101 has a current position of the mobile terminal device. An information server that causes a location information acquisition unit 101A that acquires information every predetermined time and a communication unit 102 including a mobile phone to specify an area toward the information server 110 and make a transmission request for information on the area. The information reception control unit 101B that receives the feature information and detailed information of the area from 110, and the feature information is displayed on the display screen DISP (see FIG. 1) of the display unit, and waits for a detailed information display instruction operation from the user. An information display control unit 101C for displaying detailed information on the display screen DISP is provided. In the present embodiment, in addition to the display unit, an audio output unit including an audio output speaker and an audio synthesis unit is also provided. In addition, the position information acquisition unit 101A is provided with a traveling direction acquisition unit 1011A that acquires the traveling direction of the vehicle from the position information of two consecutive points. A terminal-side area-specific information storage unit 1011C is provided as an information DB on the mobile terminal device side. This terminal-side area-specific information storage unit has a small capacity and stores only necessary information.

  The operation will be briefly described with reference to FIGS.

  3 and 4 are diagrams for explaining an example of the operation of the information transmission system 1.

  In the present embodiment, first, when a car engine is started and a destination is input from the navigation system 101, the degree of congestion around the destination is notified by voice.

  In this example, when the start of the engine is detected by the vehicle state detection unit in the navigation system 101 included in the automobile and the destination is input from the input unit of the navigation system 101, the position information of the destination is transmitted as a transmission request to the information server 110. The congestion information around the destination on the date and time when it is transmitted to the network is transmitted from the information server, and the congestion information is notified to the user by voice from the voice output unit.

  After that, when the automobile starts moving toward the destination, the feature information for each area is displayed on the display screen or notified by voice information as shown in the upper right corner of FIG. Each feature information on the display screen has an arrow, and the direction of the arrow indicates the congestion status and the degree of interest. When the “detail” in FIG. 3 and FIG. 4 is instructed and operated while the feature information is displayed on the display screen DISP, the detailed information is transmitted from the information server 110 and is stored in the terminal-side area-specific information storage unit 1011C. Once stored, the photographic information as part of the detailed information is displayed on the display screen DISP.

  By the way, the information server 110 provided in the information transmission system 1 of FIG. 1 can be accessed from a mobile mobile terminal device such as the mobile phone 120 or the PC 130 as described in FIG. Since it is not known whether such information is transmitted, the command determining unit 1105 is configured to determine what information has been transmitted. First, how the process is executed according to the content of the command determined by the command determination unit 1105 will be described.

  FIG. 5 is a diagram for explaining processing of the information server 110.

  When some information is transmitted from an external portable mobile terminal and received by the communication unit 1104 when the communication unit 1104 deployed in the information server 110 is in a standby state, the information at the head of the information A command indicating a seed or the like is determined by the command determination unit 1105 in step S501, and processing corresponding to the determined command is started.

  Here, the five types of commands are listed in FIG. For example, if there is a data registration command at the beginning of the information, it is determined that the information after the command is detailed information for data registration, and the process proceeds to step S502 to start the data registration process.

  Thereafter, when it is determined in step S501 that the feature information list acquisition command has been transmitted from the mobile terminal device side, the process proceeds to step S503, where the feature information list acquisition process is started, and the feature information acquisition command is transmitted to the mobile terminal device side. If it is determined that the command has been transmitted from the mobile terminal apparatus, the process proceeds to step S504 to start the feature information acquisition process. If it is determined that the detailed information acquisition command has been transmitted from the mobile terminal device side, the process proceeds to step S505. When the detailed information acquisition process is started and a travel schedule area acquisition command is transmitted, the process proceeds to step S506, and the travel area acquisition process is started.

  FIG. 6 is a flowchart for explaining the details of the data registration process in step S502 of FIG.

  First, the flowchart of FIG. 6 will be described, and then the content of the mesh code will be described.

  Processing executed by the information server 110 will be described with reference to FIG.

  When the process of step S502 in the flow of FIG. 5 is started, the process of the flow of FIG. 6 is started. First, in step S5021, the position information is extracted from the detailed information following the registration command by the information classification unit. In the next step S5022, the mesh code corresponding to the position information (latitude / longitude) in the received detailed information is determined based on the mesh code / latitude / longitude correspondence table held in the map DB 1106. The information DB holds detailed information for each mesh code, and adds detailed information to the mesh code that matches the mesh code determined in S5022. In step S5024 and subsequent steps, the feature information extraction process is started after a certain number (N) of detailed information is accumulated. In step S5024, the count number in the additional posted number holding unit 110A is incremented to count the number of posts for each mesh code so that the number of posts for each mesh code is known. In the next step S5025, it is determined whether or not the number of postings for each mesh code is N or more. If it is determined that the number is less than N, the process proceeds to 'No' and the process of this flow ends.

  If it is determined in step S5025 that the number is N or more, the process proceeds to ‘Yes’. In step S5026, the additional number written in the table in the additional posted number holding unit 110A is reset to zero. Further, in step S5027, the feature creation unit 1102 reads detailed information of the mesh code having the number of additional posts exceeding N, and the process of extracting the feature of the area matching the mesh code is started.

  Before describing the processing of the feature creation unit 1102, the correspondence between the mesh code and the latitude / longitude information described during the processing of FIG. 6 will be described with reference to FIG. 7.

  FIG. 7 is a diagram for explaining the correspondence between mesh codes and latitude and longitude.

  FIG. 7A shows a diagram showing the Japanese archipelago, and FIG. 7B shows a correspondence table between mesh codes and latitude / longitude information. These are in the map DB.

  First, the correspondence between the mesh code and the latitude / longitude will be described with reference to FIG.

  As shown in FIG. 7, the Japanese archipelago is divided by a horizontal and vertical mesh of latitude and longitude. In the map DB 1106, a mesh code (for example, 5439-43-24) is assigned to each area at a predetermined latitude / longitude divided by the mesh as map data. This mesh code allocation may be performed according to the format of national land numerical information, or may be performed according to the created format by creating a unique format.

  Therefore, in the process of step S5021, the information classification unit 1109 extracts position information (latitude / longitude) in the detailed information, and a mesh code corresponding to the position information is determined based on the map data in the map DB 1106, and step S5023. In this processing, the detailed information is classified for each mesh code by the information classification unit, and added to the detailed information held separately for each mesh code in the information DB of the detailed information storage unit 1101. At this time, in step S5024, the information classification unit 1109 increments the count of the number of posts in the additional posted number holding unit 110A.

  That is, the information server 110 includes a communication unit 1104 that is a detailed information receiving unit that receives detailed information to which geographical location information is attached, and a detailed information classification unit that classifies the detailed information received by the communication unit 1104 by area. 1109, and the detailed information storage unit 1101 stores the detailed information classified by the detailed information classification unit 1109.

  Next, the contents of the information DB created in the detailed detail storage unit 1101 and the contents of the table in the additional posted number holding unit 110A will be described with reference to FIG.

  FIG. 8 is a diagram for explaining the contents of the information DB stored in the detailed information storage unit 1101 and the contents of the table in the additional posted number holding unit 110A.

  As shown in FIG. 8A, latitude / longitude, user identifier, posting date, posting time, user evaluation, comment, number of images, and image data are written in the information DB created in the detailed information storage unit 1101. . The database items shown in FIG. 8 (a) may be input via the Internet from the mobile phone 120 and the personal computer 130 in the format according to this, or from a blog already on the Internet, etc. Latitude / longitude information is acquired from the address listed in the blog diary, the user identifier is the blog URL, the posting date is the blog diary registration date, and the user evaluation is scored using Koichi's reputation extraction technology , Comments may be converted to a format such as text information of a blog diary, images may be converted to blog diary image information, and may be input.

  The additional posting number holding unit 110A is provided with the table shown in FIG. 8B. After the mesh code is determined in the process of step S5022, the number of posts for each mesh code is determined in the process of step S5024. When incremented, the incremented count is written in the column for the number of additional posts. In this table, the maximum number N (for example, 10) indicating the upper limit of the number of information for starting feature extraction is also written.

  Next, the contents of the information DB will be described.

  FIG. 9 is a diagram for explaining the contents of the information DB.

  Since the feature creation unit 1102 extracts features based on the information DB in the detailed information storage unit 1101, the mesh DB and the feature information are linked in the information DB in the detailed information storage unit 1101 as shown in FIG. A third table that associates the first correspondence table, the second table in which posted information from which feature information is mainly extracted is written, and the image file name having the posted information and image information that is a part of the posted information. Are stored.

  Therefore, when data in the information DB is read from the detailed information storage unit 1101 by the feature creation unit 1102, first, the first correspondence table is referred to, and a table that is feature information corresponding to the mesh code, for example, DATA-5438- After 23-23 is read, the third table is referenced as necessary to read the image information. In the table 3, an identifier to which the ID given in the table 2 is added is added as an index for reading image information in the image table.

  FIG. 10 is a diagram illustrating the configuration of the feature DB.

  Features are extracted by the feature creation unit and a feature DB shown in the figure is created.

  A method for creating the characteristics of each item will be described later, but the contents of the items will be briefly described.

  There is a mesh code as the top item, and for each mesh code, the number of posts based on the post data in the detailed DB is extracted and registered as features of usual post count, time post count change, and location post count change. ing.

  As for the number of users, similar to the number of posts, the number of normal users, the change in the number of time users, and the change in the number of place users are extracted and registered as features based on the post data.

  Furthermore, the reputation of the user is extracted and registered as a feature based on the user evaluation in the posted data.

  When creating such a feature DB, if feature information and detailed information are distinguished and stored in the information DB, feature creation by the feature creation unit 1002 is easy.

  When the information DB in the detailed information storage unit 1101 is configured in this way, the feature creation unit 1002 reads feature information and detailed information separately from the information DB in the detailed information storage unit 1001 according to the mesh code. Can do.

  Here, the details of the feature creation processing executed in step S5027 will be described with reference to FIG. 11, returning to the processing in step S5027 in FIG. The feature creation process shown in FIG. 11 is performed by the feature creation unit 1002 shown in FIG. FIG. 2 shows that four detection units (the number of posts, the number of users, reputation, and keywords) are provided in the feature creation unit 1002 and four types of feature extraction are performed.

  FIG. 11 is a flowchart showing details of the feature creation processing in step S5027 of FIG.

  First, post information (see FIG. 9) matching the mesh code is read from the information DB in the detailed information storage unit 1101 in the process of step S50271. In the process of the next step S50272, frequent keywords are extracted from comments (see FIG. 9) in the posted information, and up to M feature information consisting of the extracted keywords is extracted in the order of frequent keywords, and stored in the feature information storage unit. A feature DB is created.

  In the next step S50273, a feature relating to the number of posts is created. Subsequently, in a step S50274, a feature relating to the number of users is created. In step S50275, a feature relating to user evaluation is extracted, and a feature DB is stored in the feature information storage unit. Created.

  Here, the keyword search is omitted because it is easy, and what characteristics are created from the number of posts by the process of step S50273 will be described.

  In this embodiment, a feature DB is created by first performing a process of extracting whether or not detailed information has increased or decreased over time as a feature, and then performing a process of extracting differences from adjacent areas as feature information. The processing contents will be described.

  FIG. 12 is a flowchart illustrating details of step S50273 executed by the feature creation unit 1102.

  In step S502731, the average number of posts A per time interval ΔT over the past, for example, several months is obtained for the number of posts. In the next step S502732, the average number of posts B per time interval ΔT for the past 7 days is obtained. In the next step S502733, B and A are compared.

  If it is determined in step S502733 that B is smaller than A × 0.9, it is determined in step S502734 that the number of recent posts is small, and B is between A × 0.9 and A × 1.1. If it is determined that there is, the number of posts is determined not to change in step S502735, and if it is determined that B is greater than A × 1.1, it is determined that the number of recent posts is large in step S502737. Here, for example, based on the determination in step S502736, information such as whether the number of posts has recently been large or small is registered in the feature DB as feature information.

  Next, the process proceeds to step S502737, and mesh codes of eight surrounding areas are acquired in step S502737. The detailed information of the surrounding eight areas is read from the mesh code, the average number of posts in each area is obtained, and the average value C of the average number of posts in the eight areas is obtained.

  In the next step S502740, it is determined whether the average value C is smaller than A × 0.9, between 0.9 × A and 1.1 × A, or larger than 1.1 × A. Is done. If it is determined in step S502740 that the average value C is smaller than A × 0.9, the process proceeds to step S502741 and it is determined in step S502274 that the number of posts is smaller than the surroundings, and in step S502740, 0.9 × A to 1.1 × A. If it is determined that the number of posts has not changed, the process proceeds to step S502642. If it is determined in step S502740 that the number of posts is greater than 1.1 × A, the process proceeds to step S502743 and the process proceeds to step S502743. It is determined that there are more posts than the surroundings. When the determination results of steps S502737 and S502744 are registered in the feature DB in the feature storage unit 1103, the process of this flow ends.

  When the process of this flow is executed, it can be determined whether or not the area is a place of interest to the user based on the number of posts per area or the number of posts. For example, in step S502743, there are more than the surroundings. If it is determined that there is a lot of recent topics in step S502736, it is considered that there is a lot of topics or a place where the user is highly interested. Therefore, such information is notified to the user as feature information. In FIGS. 3 and 4, the information is indicated by arrows.

  Further, in the process of step S50274 in the flow of FIG. 11, the same process as the process of FIG. 12 is executed for the number of users, and in the process of step S50275 of FIG. 11, the process similar to the process of FIG. Executed.

  That is, the feature information creation unit of the present embodiment creates feature information consisting of features for each area and temporal changes of the features from the detailed information referred to in the present invention, and from the detailed information, This means that feature information consisting of the features for each area and the differences between the features for each area and the features of adjacent areas adjacent to each area is created.

  Here, in this embodiment, since the information DB can be created in the information storage unit by terminal area also on the mobile terminal device side, the configuration of the DB created in the information storage unit by terminal area will be described. To do.

  FIG. 13 is a diagram for explaining the information DB.

  Since the feature DB and the information DB are separate on the center side, the database shown in FIG. 9 is used. However, since there is only one storage unit on the terminal device side, it is preferable to make it as shown in FIG.

  Since the feature information is created by the information server 110 and the feature information is acquired by the reception control unit 101B, the feature information is added when creating the correspondence table between the mesh code and the detailed data table name as shown in FIG. Has been done. With this configuration, it is possible to read out only feature information from the table serving as the information DB on the mobile terminal side, which constitutes the database when moving, and a data table representing post information as detailed information related to the feature information The image information can be read out from the image table by referring to the file name in the data table.

  Finally, how the command described in the flow of FIG. 5 is transmitted from the mobile terminal device to the information server when the mobile terminal device moves will be described.

  FIG. 14 is a process executed by the information reception control unit 101B on the mobile terminal device 100 side when transmitting the scheduled travel area acquisition command, the feature information acquisition command, and the detailed information acquisition command of FIG. 5 to the information server 110. It is a flowchart which shows the procedure of.

  First, in step S1401, it is determined whether or not the next area has been entered. This process is performed by comparing latitude / longitude information indicating the range of the mesh code acquired by the planned travel area acquisition unit described later with the latitude / longitude acquired by the current position acquisition unit 101A. If the latitude / longitude acquired by the current position acquisition unit 101A is within the latitude / longitude indicating the range of the mesh code acquired by the planned travel area acquisition unit, it is determined that the next area has been entered, and the processing to the 'Yes' side The area that entered in step S1402 is changed from the area before entry to the current area. In the next step S1403, it is determined whether or not information on the previous area is being acquired. If it is determined that the information is not being acquired, the process proceeds to 'No'. If it is determined that the information is being acquired, the process proceeds to step S1404. After the cancellation, the process proceeds to step S1405.

  In step S1405, the feature information of the current area is acquired from the information server 110, and the display shown in the upper right of FIG. 4 is performed on the display screen DISP. In the next step S1406, the information server 110 acquires which is the next scheduled travel area of the current area.

  In the next step S1407, it is determined whether or not there has been a detailed information acquisition operation instruction from the user. If it is determined that the operation has been performed, the process proceeds to “Yes” and detailed information is acquired in step S1408, and the upper right of FIG. Is switched to the lower right screen. If it is determined in step S1407 that there is no detailed information acquisition request from the user, this flow processing ends.

  That is, in this example, when the mobile terminal device enters a new area, the information reception control unit 101B causes the communication unit 102 to make a transmission request for the feature information of the entered area to the information server 110. In addition, a process for receiving feature information for each approach area is performed, and a transmission request for information corresponding to the next area ahead of the route of the mobile terminal device (mesh code and latitude / longitude information indicating the range of the mesh code) is also made. It is

  In this way, the upper right display in FIG. 4 is displayed on the display screen DISP, and when the detailed information display instruction operation is received from the user, the detailed information acquired in the process of step S1408 is displayed on the display screen. That is, when the process of this flow is performed, the display is performed as shown in FIG. 4, and the display screen is switched according to the instruction operation.

  Details of the next travel area acquisition process in step S1406 of FIG. 14 will be described here.

  In this travel area acquisition process, after the current position and the traveling direction are detected by the information reception control unit 101B, a travel planned area acquisition command and information indicating the current position and the traveling direction are transmitted to the information server 110. Be started by.

  Here, the processing of the information server 110 will also be described later so that the correspondence with the information server can be understood.

  FIG. 15 is a flowchart showing processing on the mobile terminal side and the information server side regarding travel area acquisition. The terminal-side flow processing is executed by the information reception control unit 101B.

  In step S14061, the current position is acquired from the current position information acquisition unit 101A. When two pieces of information on the current position are acquired at predetermined processing intervals by the timer value in the information reception control unit 101B, the traveling direction is acquired in the next step S14062. If the terminal has a gyro sensor, the traveling direction acquisition process may be performed using the gyro sensor. In step S14063, it is determined whether or not the information server 110 is connected. If it is determined in step S14063 that the information server 110 is connected, the process proceeds to “Yes”. In step S14064, the scheduled travel area acquisition command and the current position are determined. The traveling direction is transmitted to the information server 110.

  The mesh code representing the next travel area and the latitude / longitude information in the range indicated by the mesh code are transmitted from the information server 110 and received by the reception control unit 101B, and this is used as the next travel area information to the travel planned area holding unit. Retained.

  If it is determined in step S14063 that the information server 110 is not connected, the process from step S14064 to step S14066 is executed if the connection is attempted in step S14067 and if successful, an error message is displayed on the display screen DISP in step S14068. And output from the audio output unit as audio.

  The information server 110 receives the process of step S14065 and executes the scheduled travel area acquisition process S506 in FIG. The mesh code of one or more areas where the car is supposed to enter from the current position and the traveling direction transmitted from the mobile terminal device 100 in step S5061 and the latitude / longitude information of the range indicated by the mesh code are the map data in the map DB. Is detected based on Then, in step S5062, the information server 110 transmits these pieces of information to the mobile terminal device 100.

  In this way, information on the scheduled travel area is acquired.

  Finally, the feature information acquisition process performed in step S1405 of FIG. 14 and the detailed information acquisition process of step S1408 will be described with reference to FIGS. The processing in FIGS. 16 and 17 is processing on the mobile terminal device side corresponding to the feature information acquisition processing in step S504 and the detailed information acquisition processing in step S505 in FIG. That is, a feature information acquisition command or a detailed information acquisition command is transmitted from the mobile terminal device side to the information server.

  FIG. 16 is a flowchart showing a procedure of feature information acquisition processing executed by the information reception control unit 101B, and FIG. 17 is a flowchart showing a procedure of detailed information acquisition processing executed by the information reception control unit 101B. is there.

  First, in step 14051, it is determined whether or not the information server 110 is connected. If it is determined in step S14051 that the connection is established, the process proceeds to 'Yes', and a mesh code and a feature acquisition command are transmitted to the information server in step S14052. If feature information is transmitted from the information server 110 in step S14053, the feature information is received, and it is determined in the next step S14054 whether there is feature information. If it is determined that there is no feature information, the process of this flow ends. If it is determined in step S14054 that feature information exists, the feature information is downloaded from the information server side and stored in the information DB on the terminal side. When the stored contents of the terminal-side area-specific information storage unit are updated in the next step S14055, the feature information is displayed on the display screen DISP or the audio information is output in step S14056.

  If it is determined in step S14051 that the information server 110 is not connected, the process proceeds to the “No” side, and a connection is attempted in step S14057. If the connection is successful in step S14057, the processing from step S14052 to step S14056 is executed. If the connection fails in step S14057, an error message is displayed on the display screen DISP, and in the next step S14069, it is determined whether or not there is feature information matching the mesh code in the terminal-side area information holding unit. If it is determined that the feature information is present, the feature information is displayed on the display screen in step S14056. If it is determined that the feature information is not present, the processing of this flow is terminated.

  When the detailed information acquisition process in step S1408 is started, it is first determined in step S14081 whether the information server 110 has been connected. If it is determined in step S14081 that the connection is established, the process proceeds to the 'Yes' side, and a mesh code and a detailed information list acquisition command are transmitted to the information server 110 in step S14082. In step S14083, a detailed information list is received from the information server. The detailed information list referred to here is the ID in FIG. 9B. In step S14084 and subsequent steps, it is checked whether the detailed information matching the ID (information in FIGS. 9B and 9C) is in the terminal-side area information storage unit 1011C. Come. In step S14084, it is determined whether IDs to be checked still remain. If there is an ID to be checked (the list is not finished), one ID is extracted from the received ID list from the “No” side to step S14085, and in step S14086, the terminal-side area-specific information storage unit 1011C It is determined whether there is detailed information having the same ID in the information DB. If it is determined that there is detailed information, the detailed information is displayed on the display screen in step S14090, and the process returns to step S14084.

  If “None” is determined in step S14086, an ID and detailed information acquisition command is transmitted to the information server 110 in step S14087, detailed information matching the ID is received and received in step S14088, and the terminal side in step S14089. Detailed information is stored in the area-specific information DB. In step S14090, the detailed information is displayed on the display screen, and the process returns to step S14084. If it is determined in step S14084 that there are no more IDs to be checked (list ends), the process proceeds to the “Yes” side and ends.

  If it is determined in step S14081 that the information server 110 is not connected, the process from step S14083 is executed if the connection is attempted and successful in step S14091. If it is determined in step S14091 that the connection has failed, an error message is output from the display screen or the speaker in step S14092. In step S14813, it is determined whether there is detailed information that matches the mesh code in the terminal area information DB. If it is determined, the detailed information is displayed on the display screen or output by voice and this flow is displayed. Processing is finished. If it is determined “NO” in step S14093, the processing of this flow is immediately finished.

  FIG. 14 shows a process when the mobile terminal is moving, and it may be started from the information acquisition process of the current area at the start of movement.

  In this way, according to the command transmitted from the mobile mobile terminal device to the information server, processing is performed on the information server side, and the feature information and the detailed information are transmitted separately. Since the information is divided and transmitted to the mobile terminal device, a ripple effect that the memory capacity of the mobile terminal device is reduced can be obtained.

  As described above, an information transmission system in which a user having a mobile terminal device can easily obtain only necessary information, a mobile terminal device constituting the information transmission system, and information constituting the information transmission system Realize the server.

  Various forms of the present invention will be additionally described below.

(Appendix 1)
A mobile terminal device including a communication unit that performs wireless communication and a display unit that displays an image on a display screen, and the mobile terminal that stores information and responds to a transmission request for information from the mobile terminal device An information transmission system comprising an information server for transmitting information to a device,
The information server is
A detailed information storage unit for storing detailed information for each geographical area;
A feature information creating unit that creates feature information representing features of each geographical area based on the detailed information;
A feature information storage unit that stores area-specific feature information created by the feature information creation unit;
Upon receiving a transmission request designating an area from the mobile terminal device, the area feature information stored in the feature information storage unit and the area stored in the detailed information storage unit toward the mobile terminal device An information transmission unit for transmitting the detailed information of
The mobile terminal device
A location information acquisition unit that acquires current location information of the mobile terminal device;
An information reception control unit for causing the communication unit to identify an area toward the information server and request transmission of information on the area, and to receive feature information and detailed information of the area from the information server;
An information display control unit that causes the display unit to display the feature information on the display screen, and to display the detailed information on the display screen after waiting for a detailed information display instruction operation from a user. Information transmission system.

(Appendix 2)
The feature information creation unit creates a plurality of types of feature information for each area based on the detailed information,
The information transmission system according to claim 1, wherein the information display control unit displays a plurality of types of feature information on the display screen.

(Appendix 3)
The information transmission system according to supplementary note 1, wherein the feature information creation unit creates feature information including keywords extracted by extracting keywords from the detailed information.

(Appendix 4)
The information transmission system according to appendix 1, wherein the feature information creation unit creates feature information including features for each area and temporal changes of the features from the detailed information.

(Appendix 5)
The feature information creation unit creates feature information including features for each area and differences between features for each area and features of adjacent areas adjacent to each area from the detailed information. The information transmission system according to supplementary note 1, characterized by:

(Appendix 6)
The information reception control unit causes the communication unit to make a transmission request for information on the entered area toward the information server when the mobile terminal device enters a new area. The information transmission system according to supplementary note 1, which is characterized.

(Appendix 7)
The information transmission system according to claim 1, wherein the information reception control unit causes the communication unit to make a transmission request for information of a next area ahead of the route of the mobile terminal device.

(Appendix 8)
The information transmission system according to appendix 1, wherein the mobile terminal device is a mobile phone having a telephone function.

(Appendix 9)
The information transmission system according to appendix 1, wherein the mobile terminal device is composed of a mobile phone having a telephone function and a car navigation system mounted in a car and having a GPS function for acquiring current position information. .

(Appendix 10)
A mobile terminal device comprising a communication unit that performs wireless communication and a display unit that displays an image on a display screen,
A location information acquisition unit that acquires current location information of the mobile terminal device;
Causing the communication unit to make a transmission request for information specifying an area toward an information server storing detailed information for each geographical area and feature information for each area created based on the detailed information; An information reception control unit for receiving feature information and detailed information of the area from the information server;
The display unit includes information display control for displaying the feature information on the display screen and waiting for a detailed information display instruction operation from a user to display the detailed information on the display screen. Mobile terminal device.

(Appendix 11)
Information that stores information and transmits information to the mobile terminal device in response to a transmission request for information from a mobile terminal device that includes a communication unit that performs wireless communication and a display unit that displays an image on a display screen A server,
A detailed information storage unit for storing detailed information for each geographical area;
A feature information creating unit that creates feature information representing features of each geographical area based on the detailed information;
A feature information storage unit that stores area-specific feature information created by the feature information creation unit;
Upon receiving a transmission request designating an area from the mobile terminal device, the area feature information stored in the feature information storage unit and the area stored in the detailed information storage unit toward the mobile terminal device An information server comprising: an information transmission unit for transmitting the detailed information.

(Appendix 12)
The information server is
A detailed information receiving unit for receiving detailed information with geographical location information;
A detailed information classifying unit that classifies the detailed information received by the detailed information receiving unit by area;
The information server according to appendix 11, wherein the detailed information storage unit stores the detailed information classified by the detailed information classification unit.

It is a conceptual diagram which shows the concept of the information transmission system 1 which is one Embodiment of this invention. It is a figure which shows the structure of the information transmission system 1 comprised by the mobile terminal device 100 in the conceptual diagram of FIG. 1, and the information server 110 by the side of a center. It is a figure explaining an example of operation | movement of this information transmission system. It is a figure explaining an example of operation | movement of this information transmission system. It is a figure explaining the process of the information server. 6 is a flowchart illustrating details of data registration processing in step S502 of FIG. 5. It is a figure explaining a correspondence of a mesh code and latitude longitude. It is a figure explaining the content of the information DB memorize | stored in the detailed information storage part 1101, and the content of the table in 110 A of additional contribution number holding | maintenances. It is a figure explaining the content of information DB. It is a figure which shows the structure of feature DB. It is a flowchart which shows the detail of the characteristic creation process of FIG.6 S5027. 12 is a flowchart illustrating details of step S50273 executed by the feature creation unit 1102. It is a figure explaining information DB by the side of a mobile terminal device. The flowchart which shows the procedure of the process performed by the information reception control part 101B by the side of the mobile terminal device 100 at the time of transmitting to the information server the planned driving | running | working area acquisition command of FIG. It is. It is a flowchart which shows the process by the side of the mobile terminal regarding the travel area acquisition, and the information server side. It is a flowchart which shows the procedure of the acquisition process of the feature information performed by the reception control part. It is a flowchart which shows the procedure of the acquisition process of the detailed information performed by the reception control part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Mobile terminal device 101 Navigation system 102 Mobile telephone 110 Information server 1101 Detailed information storage part (information DB)
1102 Feature creation unit 1103 Feature information storage unit (feature DB)
1104 Communication unit (information transmission unit)
1105 Command discrimination unit 1106 Map DB
DESCRIPTION OF SYMBOLS 1107 Route search part 1108 Planned travel area acquisition part 1109 Information classification part 120 Cellular phone 130 PC

Claims (6)

  1. A mobile terminal device including a communication unit that performs wireless communication and a display unit that displays an image on a display screen, and the mobile terminal that stores information and responds to a transmission request for information from the mobile terminal device An information transmission system comprising an information server for transmitting information to a device,
    The information server is
    A detailed information storage unit for storing detailed information for each geographical area;
    A feature information creating unit that creates feature information representing features of each geographical area based on the detailed information;
    A feature information storage unit that stores area-specific feature information created by the feature information creation unit;
    Upon receiving a transmission request designating an area from the mobile terminal device, the area feature information stored in the feature information storage unit and the area stored in the detailed information storage unit toward the mobile terminal device An information transmission unit for transmitting the detailed information of
    The mobile terminal device
    A location information acquisition unit that acquires current location information of the mobile terminal device;
    An information reception control unit for causing the communication unit to identify an area toward the information server and request transmission of information on the area, and to receive feature information and detailed information of the area from the information server;
    An information display control unit that causes the display unit to display the feature information on the display screen, and to display detailed information on the display screen after waiting for a detailed information display instruction operation from a user ;
    The information transmission system, wherein the feature information creation unit creates feature information including features for each area and temporal changes of the features from the detailed information .
  2. A mobile terminal device including a communication unit that performs wireless communication and a display unit that displays an image on a display screen, and the mobile terminal that stores information and responds to a transmission request for information from the mobile terminal device An information transmission system comprising an information server for transmitting information to a device,
    The information server is
    A detailed information storage unit for storing detailed information for each geographical area;
    A feature information creating unit that creates feature information representing features of each geographical area based on the detailed information;
    A feature information storage unit that stores area-specific feature information created by the feature information creation unit;
    Upon receiving a transmission request designating an area from the mobile terminal device, the area feature information stored in the feature information storage unit and the area stored in the detailed information storage unit toward the mobile terminal device An information transmission unit for transmitting the detailed information of
    The mobile terminal device
    A location information acquisition unit that acquires current location information of the mobile terminal device;
    An information reception control unit for causing the communication unit to identify an area toward the information server and request transmission of information on the area, and to receive feature information and detailed information of the area from the information server;
    An information display control unit that causes the display unit to display the feature information on the display screen, and to display detailed information on the display screen after waiting for a detailed information display instruction operation from a user;
    The feature information generating unit, from the details, is shall create and another characteristic of each area, a characteristic information comprising the difference between characteristics of adjacent areas adjacent to the areas other features and respective areas information transfer system that is characterized in that.
  3. The information reception control section, when the mobile terminal has entered the new area that, in the communication unit, the toward the information server, a shall let out the transmission request for entering the area information The information transmission system according to claim 1 or 2 .
  4. Information that stores information and transmits information to the mobile terminal device in response to a transmission request for information from a mobile terminal device that includes a communication unit that performs wireless communication and a display unit that displays an image on a display screen A server,
      A detailed information storage unit for storing detailed information for each geographical area;
      A feature information creating unit that creates feature information representing features of each geographical area based on the detailed information;
      A feature information storage unit that stores area-specific feature information created by the feature information creation unit;
      Upon receiving a transmission request designating an area from the mobile terminal device, the area feature information stored in the feature information storage unit and the area stored in the detailed information storage unit toward the mobile terminal device An information transmission unit for transmitting the detailed information of
      The information server, wherein the feature information creation unit creates feature information including features for each area and temporal changes of the features from the detailed information.
  5. Information that stores information and transmits information to the mobile terminal device in response to a transmission request for information from a mobile terminal device that includes a communication unit that performs wireless communication and a display unit that displays an image on a display screen A server,
      A detailed information storage unit for storing detailed information for each geographical area;
      A feature information creating unit that creates feature information representing features of each geographical area based on the detailed information;
      A feature information storage unit that stores area-specific feature information created by the feature information creation unit;
      Upon receiving a transmission request designating an area from the mobile terminal device, the area feature information stored in the feature information storage unit and the area stored in the detailed information storage unit toward the mobile terminal device An information transmission unit for transmitting the detailed information of
      The feature information creation unit creates feature information including features for each area and differences between features for each area and features of adjacent areas adjacent to each area from the detailed information. An information server characterized by
  6. The information reception control unit causes the communication unit to make a transmission request for information on the entered area toward the information server when the mobile terminal device enters a new area. 6. The information server according to claim 4, wherein the information server is characterized.
JP2007024567A 2007-02-02 2007-02-02 Information transmission system and information server Expired - Fee Related JP4978219B2 (en)

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US20100241623A1 (en) * 2009-03-23 2010-09-23 Acker Robert L User generated notes integrated with location-based application
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JP5971336B2 (en) * 2012-06-21 2016-08-17 トヨタ自動車株式会社 Route search device and route search method

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JP2004046547A (en) * 2002-07-12 2004-02-12 Fujitsu Ten Ltd Facility information inquiry/registration system, facility information management center device and onboard terminal device
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