Communication terminal

Abstract

To provide position information of others considering a height or the like.SOLUTION: A communication terminal comprises a display unit. The display unit displays at least one of a first selection screen including at least one or more pieces of position information of communication terminals other than the communication terminal, and a second selection screen including one or more pieces of position information of real estates. When one of the one or more pieces of position information of the other communication terminals is selected on the first selection screen, the display unit displays a first result screen including a topographic cross section between a first area where the communication terminal is located and a second area where the other communication terminal selected on the first selection screen is located. When one of the one or more pieces of position information of the real estates is selected on the second selection screen, the display unit displays a second result screen including the topographic cross section between the first area and a third area where the real estate selected on the second selection screen is located.SELECTED DRAWING: Figure 10

Description

Technical Field

[0001] The present invention relates to a communication terminal that displays position information considering height.

Background Art

[0002] Systems for displaying the position information of others, etc. have been proposed in Patent Document 1 and the like.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, sufficient consideration has not been given to notifying other users of position information including height.

[0005] Therefore, an object of the present invention is to provide position information of others considering height.

Means for Solving the Problems

[0006] The communication terminal according to the present invention includes a display unit. The display unit displays at least one of a first selection screen including position information of at least one communication terminal different from the communication terminal and a second selection screen including position information of real estate. When one of the position information of the one or more different communication terminals is selected on the first selection screen, the display unit displays a first result screen including a topographic cross section between a first area where the communication terminal is located and a second area where the different communication terminal selected on the first selection screen is located. When one of the location information of the one or more real estates is selected on the second selection screen, the display unit displays a second result screen including a topographic cross section between the first area and a third area where the real estate selected on the second selection screen is located.

[0007] The positional relationship regarding the height between the user of the communication terminal and the user of another selected communication terminal or the positional relationship regarding the height with the selected real estate can be visually recognized. In the event of a disaster where evacuation considering tsunamis is necessary, when one is nearby but doesn't know which place with a different height is the right one, etc., it becomes easier to grasp the position information of others (another communication terminal or real estate) considering the height difference.

[0008] Preferably, the location information of the other communication terminal on the first selection screen includes the height information of the other communication terminal and information regarding the moving direction of the other communication terminal.

[0009] It becomes easier to grasp the behavior of the user of the other communication terminal.

[0010] More preferably, the height information is such that the first height information represented using the measurement unit of length is converted into the second height information representing the degree of height without using the measurement unit of length.

[0011] Compared with the form of displaying height information using the measurement unit of length such as meter display, it becomes easier to sensually grasp the height.

[0012] Also, preferably, the first result screen includes information regarding the height difference between the first area and the second area, the height information of the first area, and the height information of the second area. The second result screen includes information regarding the height difference between the first area and the third area, the height information of the first area, and the height information of the third area. The information regarding the height difference between the first area and the second area on the first result screen is represented using the measurement unit of length. In the second result screen, the information regarding the height difference between the first area and the third area is represented using the unit of measurement for the length. In the first result screen, the height information of the first area and the height information of the second area are represented by the degree of height without using the unit of measurement for the length. In the second result screen, the height information of the first area and the height information of the third area are represented by the degree of height without using the unit of measurement for the length.

[0013] It is possible to grasp the height difference with objective height information and to grasp the degree of height of each area with sensory height information.

[0014] Also, preferably, on the first selection screen, when one of the position information of the one or more other communication terminals is selected and the distance between the first area and the second area is less than a first distance threshold, the display unit displays the first result screen. On the first selection screen, when one of the position information of the one or more other communication terminals is selected and the distance between the first area and the second area is greater than or equal to the first distance threshold, the display unit displays a third result screen having a map including the first area and the second area. On the second selection screen, when one of the position information of the one or more real estates is selected and the distance between the first area and the third area is less than a second distance threshold, the display unit displays the second result screen. On the second selection screen, when one of the position information of the one or more real estates is selected and the distance between the first area and the third area is greater than or equal to the second distance threshold, the display unit displays a fourth result screen including a map including the first area and the third area.

[0015] It becomes possible to switch between a topographic cross-section display and a planar map display according to the necessity of grasping the height difference.

[0016] More preferably, the first distance threshold is larger than the second distance threshold.

[0017] Further preferably, the third result screen includes at least one of the movement trajectory of the communication terminal and the movement trajectory of the other communication terminal selected on the first selection screen.

[0018] It becomes easy to grasp the behavior of at least one of the user of the communication terminal and the user of the other communication terminal.

[0019] Further preferably, on the first selection screen, when a predetermined operation is performed, the display unit displays a fifth result screen having a map including the first area and the areas where each of the one or more other communication terminals is located.

[0020] The positions of the user of the communication terminal and the users of the other communication terminals can be grasped on one screen.

[0021] The communication terminal according to the present invention includes a display unit. The display unit displays a first selection screen including at least one piece of position information of a communication terminal different from the communication terminal. On the first selection screen, when one of the position information of the communication terminal or the one or more other communication terminals is selected, the display unit displays a sixth result screen including the vertical movement trajectory of either the first area where the communication terminal is located or the second area where the other communication terminal selected on the first selection screen is located.

[0022] It becomes easy to grasp the vertical behavior of at least one of the user of the communication terminal and the user of the other communication terminal.

[0023] The communication terminal according to the present invention includes a display unit. The display unit displays a first selection screen including at least one piece of position information of a communication terminal different from the communication terminal. When one of the position information of the communication terminal or the one or more other communication terminals is selected on the first selection screen, based on the moving direction of the selected communication terminal among the communication terminals, the display unit displays either a sixth result screen including a vertical movement trajectory of either a first area where the communication terminal is located or a second area where the other communication terminal selected on the first selection screen is located, or a seventh result screen including a horizontal movement trajectory of either the second area where the other communication terminal selected on the first selection screen is located.

[0024] According to the moving direction, it becomes easy to grasp the vertical or horizontal behavior of at least one of the user of the communication terminal and the user of the other communication terminal.

Advantages of the Invention

[0025] As described above, according to the present invention, it is possible to provide the position information of others considering the height.

Brief Description of the Drawings

[0026]

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Mode for Carrying Out the Invention

[0027] Hereinafter, this embodiment will be described with reference to the drawings. However, the embodiment is not limited to the following embodiments. In principle, the content described in one embodiment is also applicable to other embodiments. Each embodiment and each modification example can be combined as appropriate.

[0028] The information transmission system 1 in this embodiment includes an information source transmission unit 20, an information server 30 (server communication unit 31, server recording unit 33, server control unit 35), and communication terminals (the 51st communication terminal M51 to the 55th communication terminal M55) (see FIG. 1). In this embodiment, a form in which five communication terminals are used to notify each other of their position information and safety information will be described. However, the number of communication terminals is not limited to five. Note that the relationship between the latitude and longitude information and the first height information shown in FIG. 2 and the like may not match the actual ones.

[0029] (Configuration of Communication Terminal) Each of the communication terminals (the 51st communication terminal M51 to the 55th communication terminal M55) has a communication unit 11, a display unit 12, a recording unit 13, a control unit 15, and a position information acquisition unit 16. Note that the communication terminal is preferably a portable terminal such as a mobile phone, but may also be a device fixed at a predetermined position.

[0030] (Communication unit 11) The communication unit 11 communicates with the server communication unit 31 or communicates with a base station that forms a wireless link with the communication terminal.

[0031] (Display unit 12, recording unit 13, control unit 15) The display unit 12 displays a first screen P1 (see FIGS. 6 and 7), a second screen P2 (see FIGS. 8 and 9), a third screen P3 (see FIG. 10), a fourth screen P4 (see FIG. 11), a fifth screen P5 (see FIG. 12), a sixth screen P6 (see FIG. 13), and a seventh screen P7 (see FIG. 14). The recording unit 13 has installed therein a position information program (information transmission program) in the present embodiment. The control unit 15 executes the position information program and controls each part of the communication terminal (communication unit 11, display unit 12, recording unit 13, position information acquisition unit 16).

[0032] (Position information acquisition unit 16) The position information acquisition unit 16 has a positioning device such as GPS or an acceleration sensor, and detects the position information and acceleration of the communication terminal.

[0033] The acquisition of the position information by the position information acquisition unit 16 may be in a form that is performed at regular intervals (for example, a first time T1 described later). The position information obtained by the position information acquisition unit 16 is transmitted to the information server 30 via the communication unit 11.

[0034] (Position information program) In this embodiment, an example is shown where the user with user ID: 11 (user name: Papa, Taro) logs in with user ID: 11 to the location information program (information transmission program) installed on the 51st communication terminal M51, the user with user ID: 12 (user name: Hanako) logs in with user ID: 12 to the location information program installed on the 52nd communication terminal M52, the user with user ID: 13 (user name: Susumu) logs in with user ID: 13 to the location information program installed on the 53rd communication terminal M53, the user with user ID: 23 (user name: Grandpa) logs in with user ID: 23 to the location information program installed on the 54th communication terminal M54, and the user with user ID: 24 (user name: Grandma) logs in with user ID: 24 to the location information program installed on the 55th communication terminal M55. Also, the screen display examples in FIGS. 6 to 14 are those displayed after the user with user ID: 11 (user name: Papa, Taro) logs in with user ID: 11 to the location information program installed on the 51st communication terminal M51.

[0035] Also, the "communication terminal" described in the claims is described as corresponding to the 51st communication terminal M51, but it is not limited to the 51st communication terminal M51. Also, the "another communication terminal" described in the claims is described as corresponding to the 52nd to 55th communication terminals M52 to M55, but it is not limited to the 52nd to 55th communication terminals M52 to M55.

[0036] The information transmission and reception between the information server 30 and the communication terminal is performed via the location information program. Note that in this embodiment, a form using the location information program installed on each communication terminal is described, but a form in which each communication terminal accesses the server of an ASP (Application Service Provider) via a network and uses the location information program stored in the server of the ASP may also be used.

[0037] (Information source transmission unit 20) The information source transmitting unit 20 outputs disaster information to the server communication unit 31 of the information server 30. The disaster information has at least information regarding the location of the disaster. In this embodiment, the disaster information has information regarding the type, location, and date and time of the disaster. In this embodiment, the disaster information will be described as being disaster information regarding an earthquake, but it may be other disaster information such as a flood. Also, it may be information that has occurred in the past such as an earthquake occurrence report, or information whose occurrence is predicted in the future such as thunder caution or earthquake prediction.

[0038] The information source transmitting unit 20 is installed at a location where disaster information can be transmitted, such as the Meteorological Agency, in a state where it can be network-connected to the information server 30. However, instead of installing the information source transmitting unit 20, a user who has received related information of the disaster information may input the disaster information to the information server 30 via the input / output terminal 70, and based on this, the information server 30 may transmit the disaster information to the communication terminal.

[0039] In this embodiment, the information server 30 receives disaster information having "Disaster type: Earthquake (maximum predicted seismic intensity 6- and magnitude 7.1 in the Shikoku region), Location: Shikoku region, Date and time: August 3, 2016, 8:30 am" from the information source transmitting unit 20, and an example where the 51st communication terminal M51 to the 55th communication terminal M55 transmit their own location information and the like to the information server 30 under the following conditions is shown.

[0040] The 51st communication terminal M51 transmitted the location information acquired at 8:50 am on August 3, 2016, and the safety confirmation response information to the information server 30. The 52nd communication terminal M52 transmitted the location information acquired at 8:46 am on August 3, 2016, and the safety confirmation response information to the information server 30. The 53rd communication terminal M53 transmitted the location information acquired at 8:45 am on August 3, 2016, and the safety confirmation response information to the information server 30. The 54th communication terminal M54 transmitted the location information acquired at 8:12 am on August 3, 2016, to the information server 30, but did not transmit the safety confirmation response information to the information server 30. The 55th communication terminal M55 transmitted the location information obtained at 8:27 on August 3, 2016 to the information server 30, but has not transmitted the safety confirmation information to the information server 30.

[0041] (Information server 30) Next, each part of the information server 30 (server communication unit 31, server recording unit 33, server control unit 35) will be described.

[0042] (Server communication unit 31 of information server 30) The server communication unit 31 of the information server 30 communicates with each of the communication terminals (the 51st communication terminal M51 to the 55th communication terminal M55) registered in the location information database D1, and before transmitting disaster information to these communication terminals, every first hour T1 (for example, 30 minutes), it acquires the location information of each communication terminal and the location information of the user of each communication terminal.

[0043] For example, a form can be considered in which each communication terminal uses the location information program installed in each communication terminal to transmit location information to the server communication unit 31 of the information server 30 every first hour T1.

[0044] Regarding the location information, instead of the form of acquiring it from each communication terminal, the server communication unit 31 of the information server 30 communicates with any one of the base station that forms a wireless link with the communication terminal in the communication carrier, the mobile switching center (MSC) that performs routing (selection of communication route), call setting and disconnection, charging, etc. of the communication terminal, the VLR (Visitor Location Register) which is the location registration database for each area covered by the mobile switching center, the gateway mobile switching center (GMSC), and the HLR (Home Location Register) which is a database that manages user information such as mobile phone numbers, identification information of the communication terminal (identification numbers of the terminal such as IMEI, identification numbers of the SIM card such as ICCID), and location information, and acquires the location information of each communication terminal.

[0045] When the position and height of the communication terminal itself can be specified by GPS positioning or the like and are transmitted to the information server 30, the ICCID corresponding to the identification number of the SIM card included in the communication terminal, the latitude and longitude information of the communication terminal, the first height information of the communication terminal, the acquisition date and time of the latitude and longitude information and the first height information, and the positioning accuracy information: 1 (high accuracy) are regarded as the position information of the communication terminal.

[0046] Otherwise, the ICCID corresponding to the identification number of the SIM card included in the communication terminal, the latitude and longitude information of the base station that has become communicable with the communication terminal, the first height information of the base station, the date and time when the communication terminal and the base station have become communicable (the acquisition date and time of the latitude and longitude information and the height information), the positioning accuracy information: 2 (medium accuracy), or the ICCID corresponding to the identification number of the SIM card included in the communication terminal, the latitude and longitude information of the base station area including the base station that has become communicable with the communication terminal, the first height information of the base station area, the date and time when the communication terminal and the base station have become communicable (the acquisition date and time of the latitude and longitude information and the height information), and the positioning accuracy information: 3 (low accuracy) are regarded as the position information of the communication terminal.

[0047] In addition to GPS positioning, when more detailed position and height can be specified based on the communication result with an external device and are transmitted to the information server 30, the ICCID corresponding to the identification number of the SIM card included in the communication terminal, the latitude and longitude information of the communication terminal, the first height information of the communication terminal, the acquisition date and time of the latitude and longitude information and the first height information, and the positioning accuracy information: 0 (very high accuracy) are regarded as the position information of the communication terminal.

[0048] The external device mentioned here may be a device that transmits radio waves to a communication terminal located at a short distance such as a beacon, a device that receives ambient environment information (such as atmospheric pressure and temperature) detected by the communication terminal, calculates the first height information from the ambient environment information, and transmits it to the communication terminal, etc.

[0049] The first height information of the base station indicates the average altitude of the communication area of the base station (height from the mean sea level such as a neighboring harbor), or the elevation (height from the mean sea level), and the first height information of the base station area indicates the average altitude of the communication area of the base station area (height from the mean sea level such as a neighboring harbor) or the elevation (height from the mean sea level). The first height information of each base station and base station area is determined in advance.

[0050] Instead of the height information of the base station or base station area, identification information such as the name of the base station or base station area is transmitted to the information server 30, and a table (not shown) for converting the identification information of the base station or base station area into the first height information (or second height information) is recorded in the communication terminal or the information server 30, and the identification information of the base station or base station area may be converted into the first height information (or second height information).

[0051] Therefore, at least if the information server 30 can receive the identification information of the base station that communicated with the communication terminal or the base station area including the base station as the location information, it becomes possible to acquire the location information (latitude / longitude information and height information) for each communication terminal.

[0052] Also, the location information includes information regarding the moving direction of the communication terminal. The moving direction is calculated based on the current location information of the communication terminal and the past location information of the communication terminal.

[0053] When acquiring the location information of each communication terminal, there is no limitation on the degree of detail of the location information, and the most detailed level of location information that can be acquired is acquired and recorded in the location information database D1. However, when disclosing the location information of the communication terminal (first communication terminal) to the communication terminal itself or other communication terminals (second communication terminal), the degree of detail of the location information is adjusted based on the "degree of detail of the location information to be disclosed (first detail parameter dp1, second detail parameter dp2)" set by the user of the communication terminal.

[0054] In addition, the server communication unit 31 of the information server 30 receives disaster information from the information source transmission unit 20, and after receiving the disaster information (or after the disaster information is input by the input / output terminal 70), based on the position information database D1 and the group information database D3, it transmits the disaster information and the like to communication terminals (the 51st communication terminal M51 to the 55th communication terminal M55), and receives safety confirmation information from the communication terminals.

[0055] (Server recording unit 33 of information server 30) The server recording unit 33 of the information server 30 records the position information database D1, the height information conversion table D2, the group information database D3, the evacuation shelter database D4, and the map information database D5. In addition, in the server recording unit 33, a program corresponding to the position information program (information transmission program) installed in the communication terminal is installed to communicate with the communication terminal and perform transmission and reception of disaster information and the like.

[0056] (Position information database D1) The position information database D1 shows the relationship between information about the user of the communication terminal, the communication terminal (communication terminal name), information about the position of the communication terminal, and information about safety confirmation transmitted from the communication terminal (see Figure 2). The information about the user of the communication terminal in the position information database D1 is information input by the user via each communication terminal (information set by the user setting operation), and has a user name, a user ID (identification number for logging in to the position information program), and a user mark (which may be a photo) corresponding to each communication terminal. The user name may be in a form where different names are used for each group, such as user name: Papa corresponding to user ID: 11, Taro.

[0057] The information about the position of the communication terminal has latitude and longitude information, first height information, a regional name corresponding to the latitude and longitude information, second height information corresponding to the first height information, positioning date and time, and positioning accuracy corresponding to each communication terminal.

[0058] The first height information is height information represented using a length measurement unit such as an altitude of 10 m. The second height information is height information that represents the degree of height without using a length measurement unit. Specifically, it is height information represented by replacing it with information that makes it easier to sensually grasp the height than the measurement unit, such as near the ground, the number of floors (the number of each floor in a building consisting of multiple floors, e.g., near the 25th to 30th floors of a building).

[0059] The latitude and longitude information, the first height information, and the positioning date and time in the position information database D1 are obtained by the server communication unit 31 of the information server 30 communicating with communication terminals (the 51st communication terminal M51 to the 55th communication terminal M55) registered in the position information database D1 every first time period T1, or by the server communication unit 31 communicating with a base station or the like in a communication carrier.

[0060] The regional name corresponding to the latitude and longitude information in the position information database D1 is obtained by converting the latitude and longitude information of the communication terminal into a regional name using a table (not shown) for converting latitude and longitude information into a regional name.

[0061] The height level (second height information) corresponding to the height information (first height information) in the position information database D1 is obtained by converting the first height information of the communication terminal into the second height information using a table (height information conversion table D2, see Figure 3) for converting the first height information into the second height information.

[0062] In the position information database D1, it is desirable to record not only the current latitude and longitude information and the first height information but also those of a certain past period (e.g., 1 hour). Based on the current latitude and longitude information and the first height information, and the latitude and longitude information and the first height information of a certain past period, the moving direction (such as "northward", "upward", etc.) and the moving trajectory of the corresponding communication terminal are calculated.

[0063] When the horizontal movement distance during the certain period is longer than the vertical movement distance during the certain period multiplied by a predetermined coefficient c1 (c1 ≥ 1), the horizontal movement direction (such as "northward") is calculated as the movement direction of the communication terminal. When the vertical movement distance during the certain period multiplied by the predetermined coefficient c1 is longer than the horizontal movement distance during the certain period, the vertical movement direction (such as "upward") is calculated as the movement direction of the communication terminal. When both the horizontal movement distance during the certain period and the vertical movement distance during the certain period multiplied by the predetermined coefficient c1 are less than or equal to a third distance threshold Thrd3 (for example, Thrd3 ≤ 1 m), it is determined that the communication terminal is not moving ("no movement"). The movement trajectory includes the change history of the positions of the communication terminal in the horizontal direction and the height direction.

[0064] The safety-related information in the location information database D1 indicates whether there has been a safety response operation from the communication terminals (the 51st communication terminal M51 to the 55th communication terminal M55) registered in the location information database D1 by the server communication unit 31 of the information server 30. It is initialized when disaster information is sent, and the parameter in the safety type column (safety type parameter sp) is set to an initial value (sp = 1) indicating that the safety of all users of the communication terminals is unknown (no safety response operation has been performed).

[0065] After initialization, the safety information in the location information database D1 is updated when safety response information is received from the communication terminal.

[0066] When a specific operation (safety response operation) for safety response is performed by the user of the communication terminal on the location information program installed on the communication terminal, the value of the parameter in the safety type column is changed to 0 (safety type parameter sp = 0 indicating that a response has been made). That is, in a state where the specific operation (safety response operation) for the safety response is not performed, the initial value: 1 is maintained.

[0067] (Group information database D3) The group information database D3 shows the relationship between information about groups used in group chats (group messages) within the location information program and information about users belonging to the groups (see FIG. 4). The information about the group is information input by the user via the communication terminal (information set by the group setting operation), and has a group name, a group ID (identification number of the group), and a group mark (which may be a photo). The information about users belonging to the group is information input by the user via the communication terminal (information set by the location information disclosure designation operation), and has the user name belonging to the group, the user ID belonging to the group, the degree of detail of the location information to be disclosed during normal times (while the safety type parameter sp is 0) (first detail parameter dp1), and the degree of detail of the location information to be disclosed during disasters (while the safety type parameter sp is 1) (second detail parameter dp2).

[0068] In this embodiment, the first detail parameter dp1 and the second detail parameter dp2 have a three-level form (1: disclose rough location information (e.g., prefecture level) without height information, 2: disclose medium-roughness location information (e.g., city / town / village level) with height information, 3: disclose detailed location information (e.g., address level) with height information), but a two-level or four-level or more form may also be possible.

[0069] Note that it is desirable that the second detail parameter dp2 be set to a detail level that is the same as or finer than the first detail parameter dp1. For example, a form can be considered in which the first detail parameter dp1 can be adjusted by the user among the three levels, and the second detail parameter dp2 is fixed at the finest detail level.

[0070] In this embodiment, users with user ID: 11 (user name: Papa, first detail parameter dp1: 2, second detail parameter dp2: 3), user ID: 12 (user name: Hanako, first detail parameter dp1: 3, second detail parameter dp2: 3), and user ID: 13 (user name: Susumu, first detail parameter dp1: 1, second detail parameter dp2: 3) belong to the group named Tanaka family (group ID: G001). Also, users with user ID: 23 (user name: Grandpa, first detail parameter dp1: 3, second detail parameter dp2: 3), user ID: 24 (user name: Grandma, first detail parameter dp1: 3, second detail parameter dp2: 3), and user ID: 11 (user name: Taro, first detail parameter dp1: 1, second detail parameter dp2: 3) belong to the group named Hometown (group ID: G002).

[0071] (Evacuation shelter database D4) The evacuation shelter database D4 shows the relationship between the names and location information of evacuation shelters (see Figure 5).

[0072] (Map information database D5) The map information database D5 is map information including latitude information, longitude information, and altitude information (not shown). Based on the map information database D5, a planar map and a topographic cross-section diagram between any two points are displayed.

[0073] (Server control unit 35 of information server 30) The server control unit 35 of the information server 30 executes the program installed in the server recording unit 33 and controls the server communication unit 31 and the server recording unit 33.

[0074] Specifically, when the information server 30 receives disaster information from the information source transmission unit 20, the server control unit 35 transmits the disaster information to the communication terminals (the 51st communication terminal M51 to the 55th communication terminal M55) registered in the location information database D1 via the server communication unit 31.

[0075] Further, when the information server 30 receives information regarding a user, information regarding a group to which the user belongs, and information regarding the degree of detail of the location information to be disclosed from the 51st communication terminal M51 to the 55th communication terminal M55 by a user setting operation, a group setting operation, a location information disclosure designation operation, etc., the server control unit 35 updates the location information database D1 and the group information database D3 recorded in the server recording unit 33.

[0076] Further, when the information server 30 receives the location information of the 51st communication terminal M51 to the 55th communication terminal M55, the server control unit 35 updates the location information in the location information database D1 recorded in the server recording unit 33.

[0077] Further, when the information server 30 receives safety confirmation information from the 51st communication terminal M51 to the 55th communication terminal M55 based on a safety confirmation operation by the user of the communication terminal, the server control unit 35 updates the safety confirmation type parameter sp in the location information database D1 recorded in the server recording unit 33. When the 51st communication terminal M51 to the 55th communication terminal M55 transmit safety confirmation information to the information server 30 based on a safety confirmation operation, the measured location information is also transmitted. Based on the transmitted location information, the location information in the location information database D1 is updated. Note that when safety confirmation information is transmitted based on a safety confirmation operation, the location information may not be transmitted.

[0078] Further, based on the location information database D1, the height information conversion table D2, and the group information database D3, the server control unit 35 transmits location information and safety confirmation information to the communication terminal of the user (the user himself / herself) who has logged in to the location information program via the server communication unit 31, which are those of other users (others) belonging to the group to which the user (the user himself / herself) who has logged in to the location information program belongs. For example, the user with user ID: 11 (user name: Papa, Taro) belongs to the group with group name: Tanaka family (group ID: G001) and the group with group name: Hometown (group ID: G002). Therefore, the location information and safety information of the users belonging to these groups (the user with user ID: 12 belonging to the group with group name: Tanaka family (group ID: G001), the user with user ID: 13, the user with user ID: 23 belonging to the group with group name: Hometown (group ID: G002), the user with user ID: 24) are transmitted to the 51st communication terminal M51 corresponding to user ID: 11.

[0079] The location information transmitted from the information server 30 to the communication terminal uses the location information with the finest level of detail, and the level of detail of the location information displayed on the display unit 12 of the communication terminal is adjusted based on the safety information (safety type parameter sp). Specifically, for users with a safety type parameter sp of 0, the location information is displayed with the level of detail for normal disclosure (first detail parameter dp1), and for users with a safety type parameter sp of 1, the location information is displayed with the level of detail for disclosure during disasters (second detail parameter dp2). However, at the stage of transmitting the location information from the information server 30 to each communication terminal, based on the safety information (safety type parameter sp) recorded in the location information database D1, the location information may be transmitted to each communication terminal in a form where the level of detail is changed for each communication terminal to be transmitted and further for each user who discloses the location information.

[0080] (Location Information Program) Next, the details of the location information program will be described. The location information program executes a reception step, a first display step to a seventh display step. In the reception step, the location information of other communication terminals is received from the information server 30. In the first display step, the first screen P1 (disaster information, display of location information for each user, refer to FIGS. 6 and 7) is displayed on the display unit 12 of the communication terminal on which the location information program is installed. In the second display step, a second screen P2 (display of user position information map, see FIGS. 8 and 9) is displayed on the display unit 12 of the communication terminal. In the third display step, a third screen P3 (display of cross-section of specific user position, see FIG. 10) is displayed on the display unit 12 of the communication terminal. In the fourth display step, a fourth screen P4 (display of plan view of specific user position, see FIG. 11) is displayed on the display unit 12 of the communication terminal. In the fifth display step, a fifth screen P5 (display of list of shelters, see FIG. 12) is displayed on the display unit 12 of the communication terminal. In the sixth display step, a sixth screen P6 (display of cross-section of specific shelter position, see FIG. 13) is displayed on the display unit 12 of the communication terminal. In the seventh display step, a seventh screen P7 (display of plan view of specific shelter position, see FIG. 14) is displayed on the display unit 12 of the communication terminal. In the eighth display step, an eighth screen P8 (display of cross-section of movement trajectory, see FIG. 15) is displayed on the display unit 12 of the communication terminal. In the ninth display step, a ninth screen P9 (display of plan view of movement trajectory, see FIG. 16) is displayed on the display unit 12 of the communication terminal.

[0081] Note that the "first selection screen" described in the claims corresponds to the first screen P1. Also, the "second selection screen" described in the claims corresponds to the fifth screen P5. Also, the "first result screen" described in the claims corresponds to the third screen P3. Also, the "second result screen" described in the claims corresponds to the sixth screen P6. Also, the "third result screen" described in the claims corresponds to the fourth screen P4. Also, the "fourth result screen" described in the claims corresponds to the seventh screen P7. Also, the "fifth result screen" described in the claims corresponds to the second screen P2. Also, the "sixth result screen" described in the claims corresponds to the eighth screen P8. In addition, the "seventh result screen" described in the claims corresponds to the ninth screen P9. In addition, the "predetermined operation" described in the claims corresponds to tapping the group member position information display switching button 103a.

[0082] On the display unit 12 of the communication terminal, any one of the first screen P1 to the seventh screen P7 is displayed by the operation of the user.

[0083] (First screen P1) The first screen P1 has a disaster information display area 101, a user position information display area 103, and a screen switching button display area 105 (see FIGS. 6 and 7).

[0084] In the disaster information display area 101, information on the earthquake that occurred immediately before (region, date and time, maximum seismic intensity, magnitude) is displayed, and a map centered on the region included in the information on the earthquake is displayed in the background. In the disaster information display area 101, a disaster level mark ma1 indicating the scale of the disaster (numerical value of the maximum predicted seismic intensity) is provided for the first disaster information and the second disaster information. In the present embodiment, the disaster level mark ma1 is displayed in white characters.

[0085] In the present embodiment, the disaster level mark ma1 is shown in a form surrounded by a substantially rectangular frame, but the frame may be omitted and only the numerical value of the scale of the disaster may be displayed on the disaster information display area 101.

[0086] When no earthquake has occurred within a certain past time period, in the disaster information display area 101, a display indicating that "no earthquake has occurred" and a display including the detailed position information of the communication terminal are performed. Note that only a display indicating that "no earthquake has occurred" may be performed in the disaster information display area 101, and a display including the detailed position information of the communication terminal may not be performed.

[0087] In the user location information display area 103, for each group to which the user of the communication terminal belongs, a group mark, a group name, a user mark, a user name, location information including the moving direction, and the acquisition date and time of the location information are provided. FIGS. 6 and 7 show examples in which the location information of the users belonging to two groups (the first group name: Tanaka family, group ID: G001, the second group name: hometown, group ID: G002) to which the user with user ID: 11 belongs is displayed.

[0088] The user location information display area 103 has a group member location information display switching button 103a. When the group member location information display switching button 103a is tapped, it is switched to the second screen P2 (see FIGS. 8 and 9 for the display of the user location information map). The second screen P2 includes the location information of the user of the communication terminal and the users of the group corresponding to the tap operation.

[0089] Note that when only the user of the communication terminal is set in the group and the users of other communication terminals are not set, only the information (user mark, user name, location information, acquisition date and time of the location information) regarding the user of the communication terminal is displayed. In this case, the information regarding the group (group mark, group name, etc.) may be omitted.

[0090] When the amount of information displayed in the user location information display area 103 is large, it is displayed in a state where scrolling in the vertical direction is possible. FIG. 6 shows a state in which the upper area in the user location information display area 103 is displayed, and FIG. 7 shows a state in which the lower area in the user location information display area 103 is displayed.

[0091] The degree of detail of the location information displayed in the user location information display area 103 is determined based on the safety information (safety type parameter sp) in the location information database D1 and the degree of detail of the location information to be disclosed (first detail parameter dp1, second detail parameter dp2) in the group information database D3. For a user whose safety type parameter sp is 0, that is, a user who is receiving a safety response, the location information of the user is displayed at the level of detail of the location information disclosed during normal times based on the first level of detail parameter dp1. Figure 6 shows an example where the safety type parameter sp of the user named Hanako belonging to the group named Tanaka family is 0, and the location information is displayed at the level of detail of the location information disclosed during normal times (the first level of detail parameter dp1: 3 (detailed location information level, with height information)). Figure 6 shows an example where the safety type parameter sp of the user named Susumu belonging to the group named Tanaka family is 0, and the location information is displayed at the level of detail of the location information disclosed during normal times (the first level of detail parameter dp1: 1 (coarse location information level, without height information)).

[0092] Also, even if the user IDs are the same, the level of detail of the location information disclosed for each group can be made different. Figures 6 and 7 show an example where the user with user ID: 11 is named Papa in the group named Tanaka family, and based on the first level of detail parameter dp1, height information is available and medium-level location information (Minato Ward, Tokyo) is displayed during normal times. In the group named Hometown, the user is named Taro, and based on the first level of detail parameter dp1, height information is not available and coarse location information (Tokyo) is displayed during normal times.

[0093] For a user whose safety type parameter sp1 is 1, that is, a user who has not performed a safety response operation, the location information of the user is displayed at the level of detail of the location information disclosed during a disaster based on the second level of detail parameter dp2. Figures 6 and 7 show an example where the safety type parameter sp of the user named Grandpa belonging to the group named Hometown is 1, and the location information is displayed at the level of detail of the location information disclosed during a disaster (the second level of detail parameter dp2: 3 (detailed location information level, with height information)). In addition, FIG. 7 shows an example where the group name is "Family", the user name belonging to the family is "Grandmother", the safety type parameter sp is 1, and the location information is displayed with the degree of detail of the location information to be disclosed during a disaster (second detail parameter dp2: 3 (fine location information level, with height information)).

[0094] Also, near any of the user mark, user name, and location information, there is provided a safety confirmation mark ma2 that lights up when either the safety type parameter sp is 1 (no safety response has been made) or the safety type parameter sp is 0 (a safety response has been made), and turns off in the other case. In this embodiment, as the safety confirmation mark ma2, a mark (a mark with an exclamation mark inside a diamond shape) that lights up when the safety type parameter is 1 (no safety response has been made) and turns off when the safety type parameter is 0 (a safety response has been made) is provided to the upper right of the user mark. However, the shape of the safety confirmation mark ma2 is not limited to this, and other shapes such as a circular frame surrounding the user mark may be used.

[0095] When the vicinity of the location information of each user displayed in the user location information display area 103 is tapped, it is switched to the third screen P3 (specific user location cross-sectional display) or the fourth screen P4 (specific user location planar display). Specifically, based on the location information of the communication terminal (user terminal) and the location information of the communication terminal (group member terminal) of the user corresponding to the tap operation, the distance (first distance di1) between the user terminal and the group member terminal is calculated. When the first distance di1 is shorter than the first distance threshold Thrd1 (for example, Thrd1 = 2 km), it is switched to the third screen P3, and when the first distance di1 is longer than or equal to the first distance threshold Thrd1, it is switched to the fourth screen P4.

[0096] When the vicinity of the moving direction of each user displayed in the user location information display area 103 is tapped, it is switched to the eighth screen P8 (moving trajectory cross-sectional display) or the ninth screen P9 (moving trajectory planar display). Specifically, when the tapped moving direction indicates a vertical moving direction (such as "upward"), the display is switched to the eighth screen P8. When the tapped moving direction indicates a horizontal moving direction (such as "northward"), the display is switched to the ninth screen P9. When the tapped moving direction indicates "no movement", no screen switching is performed.

[0097] The screen switching button display area 105 has a home button 105a, a weather button 105b, a disaster information button 105c, an evacuation shelter button 105d, and a settings button 105e. When the home button 105a is tapped, the display is switched to the first screen P1. When the home button 105a is tapped while the first screen P1 is being displayed, no screen switching is performed. When the weather button 105b is tapped, the display is switched to a weather forecast screen (not shown). When the disaster information button 105c is tapped, the display is switched to a chronological list display of disaster information (not shown). When the evacuation shelter button 105d is tapped, the display is switched to the fifth screen P5 (evacuation shelter list display, see FIG. 12). When the settings button 105e is tapped, the display is switched to an operation screen display (not shown) such as the settings of the group's users.

[0098] By displaying the first screen P1, it becomes possible to output the location information etc. of the users of a communication terminal different from the communication terminal displaying the first screen P1.

[0099] (The second screen P2) The second screen P2 has a first back button 201, a first name display area 202, a group member terminal location information display area 203, and a first map display area 204 (see FIGS. 8 and 9). When the first back button 201 is tapped, the display is switched to the first screen P1. The first name display area 202 displays the name of the group. Figures 8 and 9 show an example in which "home" is displayed as the group name in the first name display area 202.

[0100] The group member terminal location information display area 203 displays, in text, the location information of the communication terminals (group member terminals) of the users selected via the communication terminals (user terminals) that display the second screen P2 among the users belonging to the group. When no group member is selected, a message prompting such selection (e.g., "Please tap the member icon") is displayed in the group member terminal location information display area 203. Figure 8 shows an example in which a message prompting the selection is displayed in the group member terminal location information display area 203 when no group member is selected. Figure 9 shows an example in which the location information of the communication terminal of the user name: grandma is displayed in the group member terminal location information display area 203 when a group member is selected.

[0101] The first map display area 204 displays a map including the locations where the communication terminals of all users belonging to the group are located. The map display in the first map display area 204 is performed at the maximum scale at which the locations where the communication terminals of all users belonging to the group are located can be displayed on the map. In the map display of the first map display area 204, a user mark corresponding to each user is shown at the location where the communication terminal of each user belonging to the group is located. However, in addition to the user mark, and / or, the user name may be shown.

[0102] FIG. 8 and FIG. 9 show an example in which the position information of the 51st communication terminal M51 of the user with user ID: 11 (user name: Papa, Taro), the 54th communication terminal M54 of the user with user ID: 23 (user name: Grandpa), and the 55th communication terminal M55 of the user with user ID: 24 (user name: Grandma) are marked on the map as the position information of the communication terminals of the users belonging to the group "Family" in the group member terminal position information display area 203. The second screen P2 enables visual recognition of the position information of all users belonging to the group on the map.

[0103] When a specific operation (for example, an operation of sliding to the right) is performed to switch from the second screen P2 to the third screen P3, the display is switched to the third screen P3. When a specific operation (for example, an operation of sliding to the left) is performed to switch from the second screen P2 to the first screen P1, the display may be switched to the first screen P1. When the screen switching button display area 105 is provided on the second screen P2, tapping the home button 105a may switch the display to the first screen P1.

[0104] (The third screen P3) The third screen P3 has a second back button 301, a second name display area 302, a first numerical information display area 303, and a first topographic cross-section display area 304 (see FIG. 10). When the second back button 301 is tapped, the display is switched to the first screen P1.

[0105] The second name display area 302 displays the user name of the communication terminal (user terminal) displaying the third screen P3 and the user name selected within the group. FIG. 10 shows an example in which "Papa" is displayed as the user name of the user terminal and "Hanako" is displayed as the user name of the group member terminal in the second name display area 302.

[0106] The first numerical information display area 303 displays the elevation difference and the straight-line distance between the user terminal and the communication terminal (group member terminal) of the user corresponding to the selected user name. The elevation difference and the straight-line distance are represented using a unit of measurement for length. FIG. 10 shows an example in which the group member terminal (the 52nd communication terminal M52) is located 99 m higher than the user terminal (the 51st communication terminal M51), and the straight-line distance between the user terminal (the 51st communication terminal M51) and the group member terminal (the 52nd communication terminal M52) is 1.6 km.

[0107] The first topographic cross-section display area 304 displays the topographic cross-section between the location where the user terminal is located (the first area Po1) and the location where the group member terminal is located (the second area Po2). In the topographic cross-section display of the first topographic cross-section display area 304, a user mark of the user terminal corresponding to the first area Po1 is shown in the first area Po1, and a user mark of the group member terminal corresponding to the second area Po2 is shown in the second area Po2. However, in addition to the user mark, and / or, the user name may be shown.

[0108] In the topographic cross-section display of the first topographic cross-section display area 304, the second height information of the first area Po1 and the second height information of the second area Po2 are shown. That is, in the elevation difference of the first numerical information display area 303, a specific numerical value is shown using a unit of measurement for length, and in the height information of the first topographic cross-section display area 304, the degree of height is shown without using a unit of measurement for length.

[0109] (The fourth screen P4) The fourth screen P4 has a third back button 401, a third name display area 402, a second numerical information display area 403, and a second map display area 404 (see FIG. 11). When the third back button 401 is tapped, the display switches to the first screen P1.

[0110] The third name display area 402 displays the user name of the communication terminal (user terminal) that displays the fourth screen P4 and the user name selected within the group. FIG. 11 shows an example in which "Papa" is displayed as the user name of the user terminal and "Hanako" is displayed as the user name of the group member terminal in the third name display area 402.

[0111] The second numerical information display area 403 displays the straight-line distance between the user terminal and the communication terminal (group member terminal) of the user corresponding to the selected user name. FIG. 11 shows an example in which the straight-line distance between the user terminal (the 51st communication terminal M51) and the group member terminal (the 52nd communication terminal M52) is 3.2 km.

[0112] The second map display area 404 displays a map including the location where the user terminal is located (the first area Po1) and the location where the group member terminal is located (the second area Po2). The map display in the second map display area 404 is performed at the maximum scale at which the first area Po1 and the second area Po2 can be displayed on the map. In the map display of the second map display area 404, user marks corresponding to the user are shown in the first area Po1 and the second area Po2. However, in addition to the user marks, and / or, the user name may be shown.

[0113] Also, in the map display of the second map display area 404, an arrow 404a from the first area Po1 to the second area Po2 is shown. Also, in the map display of the second map display area 404, a movement trajectory 404b of at least one of the first area Po1 and the second area Po2 is shown. FIG. 11 shows an example in which the movement trajectory 404b of the second area Po2 is displayed.

[0114] (The fifth screen P5) The fifth screen P5 has an evacuation shelter display area 501 and a screen switching button display area 105 (see FIG. 12). The evacuation shelter display area 501 displays the names of evacuation shelters and the straight-line distances to the respective evacuation shelters in order of proximity to the communication terminal that displays the fifth screen P5. The screen switching button display area 105 is the same as the screen switching button display area 105 on the first screen P1.

[0115] When the area where the name of the evacuation shelter and the distance to the evacuation shelter are displayed in the evacuation shelter display area 501 is tapped, the screen switches to the sixth screen P6 (specific evacuation shelter position cross-sectional display) or the seventh screen P7 (specific evacuation shelter position plan view display). Specifically, based on the position information of the communication terminal (user terminal) and the position information of the evacuation shelter (selected evacuation shelter) corresponding to the tap operation, the distance (second distance di2) between the user terminal and the selected evacuation shelter is calculated. When the second distance di2 is shorter than the second distance threshold Thrd2 (for example, Thrd2 = 500 m), the screen switches to the sixth screen P6, and when the second distance di2 is longer than or equal to the second distance threshold Thrd2, the screen switches to the seventh screen P7.

[0116] (First distance threshold Thrd1, second distance threshold Thrd2) In this embodiment, an example where the first distance threshold Thrd1 is longer than the second distance threshold Thrd2 will be described, but the first distance threshold Thrd1 and the second distance threshold Thrd2 may be the same value, or the first distance threshold Thrd1 may be shorter than the second distance threshold Thrd2.

[0117] (Sixth screen P6) The sixth screen P6 has a fourth back button 601, a fourth name display area 602, a third numerical information display area 603, and a second terrain cross-sectional display area 604 (see FIG. 13). When the fourth back button 601 is tapped, the display switches to the first screen P1.

[0118] The fourth name display area 602 displays the name of the user of the communication terminal (user terminal) that displays the sixth screen P6 and the name of the evacuation shelter selected within the evacuation shelter display area 501 of the fifth screen P5. FIG. 13 shows an example in which “Dad” is displayed as the user name of the user terminal and “Minato-ku Sports Center” is displayed as the selected evacuation shelter name in the fourth name display area 602.

[0119] The third numerical information display area 603 displays the height difference and the straight-line distance between the user terminal and the evacuation shelter corresponding to the selected evacuation shelter name. The height difference and the straight-line distance are expressed using a length measurement unit. FIG. 13 shows an example in which the evacuation shelter (Minato-ku Sports Center) is at the same height as the user terminal (the 51st communication terminal M51), and the straight-line distance between the user terminal (the 51st communication terminal M51) and the evacuation shelter (Minato-ku Sports Center) is 203 m.

[0120] The second topographic cross-section display area 604 displays the topographic cross-section between the location where the user terminal is located (the first area Po1) and the location where the evacuation shelter is located (the third area Po3). In the topographic cross-section display of the second topographic cross-section display area 604, a user mark corresponding to the first area Po1 is shown in the first area Po1, and a mark of the evacuation shelter corresponding to the third area Po3 is shown in the third area Po3. However, in addition to the user mark, and / or, the user name may be shown. Also, in addition to the mark of the evacuation shelter, and / or, the evacuation shelter name may be shown.

[0121] In the topographic cross-section display of the second topographic cross-section display area 604, the second height information of the first area Po1 and the second height information of the third area Po3 are shown. That is, in the height difference of the third numerical information display area 603, specific numerical values are shown using a length measurement unit, and in the height information of the second topographic cross-section display area 604, the degree of height is shown without using a length measurement unit.

[0122] (The seventh screen P7) The seventh screen P7 has a fifth back button 701, a fifth name display area 702, a fourth numerical information display area 703, and a third map display area 704 (see FIG. 14). When the fifth return button 701 is tapped, the display switches to the first screen P1.

[0123] The fifth name display area 702 displays the name of the user of the communication terminal (user terminal) that displays the seventh screen P7 and the name of the evacuation shelter selected within the evacuation shelter display area 501 of the fifth screen P5. FIG. 14 shows an example in which the name "Papa" of the user of the user terminal and the name "Mita Welfare Hall" of the selected evacuation shelter are displayed in the fifth name display area 702.

[0124] The fourth numerical information display area 703 displays the straight-line distance between the user terminal and the evacuation shelter corresponding to the selected evacuation shelter name. FIG. 14 shows an example in which the straight-line distance between the user terminal (the 51st communication terminal M51) and the evacuation shelter (Minato Sports Center) is 565 m.

[0125] The third map display area 704 displays a map including the location where the user terminal is located (the first area Po1) and the location where the evacuation shelter is located (the third area Po3). The map display in the third map display area 704 is performed at the maximum scale at which the first area Po1 and the third area Po3 can be displayed on the map. In the map display of the third map display area 704, a user mark corresponding to the first area Po1 is shown in the first area Po1, and a mark of the evacuation shelter corresponding to the third area Po3 is shown in the third area Po3. However, in addition to the user mark, and / or, the user name may be shown. Also, in addition to the mark of the evacuation shelter, and / or, the name of the evacuation shelter may be shown.

[0126] Also, in the map display of the third map display area 704, an arrow 704a from the first area Po1 to the third area Po3 is shown.

[0127] (Application Examples of the Fifth Screen P5 to the Seventh Screen P7) In this embodiment, the fifth screen P5 is evacuation shelter information, and examples of the positional relationship between one of the evacuation shelters indicated in the evacuation shelter information and the communication terminal are described for the sixth screen P6 and the seventh screen P7. However, the fifth screen P5 may be real estate information different from the evacuation shelter, and the sixth screen P6 and the seventh screen P7 may be in a form showing the positional relationship between one of the real estates indicated in the real estate information and the communication terminal.

[0128] (Eighth screen P8) The eighth screen P8 has a sixth return button 801, a sixth name display area 802, and a first trajectory display area 803 (see FIG. 15). When the sixth return button 801 is tapped, the display switches to the first screen P1.

[0129] The sixth name display area 802 displays the user name selected within the group and the type of movement trajectory (being a vertical movement trajectory). FIG. 15 shows an example in which one user name "Hanako" of a group member terminal is displayed in the sixth name display area 802 as the selected user name (the user name of the user terminal or the group member terminal).

[0130] The first trajectory display area 803 displays the height information of the location (the first area Po1 or the second area Po2) where the user terminal or the group member terminal is located, and the vertical movement trajectory 803b (the time change of the height) of the user terminal or the group member terminal. FIG. 15 shows an example in which the height information and the movement trajectory 803b of the location (the second area Po2) where the group member terminal of the user name "Hanako" is located are displayed in the first trajectory display area 803. In the height information of the location (the first area Po1 or the second area Po2) where the user terminal or the group member terminal is located in the first trajectory display area 803, the degree of height is shown without using a length measurement unit.

[0131] (Ninth screen P9) The ninth screen P9 has a seventh back button 901, a seventh name display area 902, and a second trajectory display area 903 (see FIG. 16). When the seventh back button 901 is tapped, the display switches to the first screen P1.

[0132] The seventh name display area 902 displays the user name selected within the group and the type of movement trajectory (being a horizontal movement trajectory). FIG. 16 shows an example in which the user name "Papa" of the user terminal is displayed in the seventh name display area 902 as the selected user name (the user name of the user terminal or a group member terminal).

[0133] The second trajectory display area 903 displays a map including the location where the user terminal or the group member terminal is located (the first area Po1 or the second area Po2), and the horizontal movement trajectory 903b of the user terminal or the group member terminal. FIG. 16 shows an example in which a map including the location (the first area Po1) where the user terminal with the user name "Papa" is located and the movement trajectory 903b are displayed in the second trajectory display area 903.

[0134] (Application Example 1 of Height Information Notation) In this embodiment, an example in which the second height information is used for displaying the height information of the first screen P1 and the like will be described. However, the first height information may be used for displaying the height information of the first screen P1 and the like.

[0135] (Application Example 2 of Height Information Notation) Also, the second height information may be another type of information that is different from the number of floors of a building and is easier to intuitively grasp the height (see FIG. 17). FIG. 17 shows an example in which the second height information includes the height information of famous buildings, and the height information conversion table D2 includes information for replacing the length measurement unit with the height information of famous buildings.

[0136] (Application Example Regarding Adjustment of Detail Degree of Location Information) In this embodiment, an example in which the level of detail of location information is determined based on the safety type parameter sp, the first level of detail parameter dp1, the second level of detail parameter dp2, etc. has been described. However, the level of detail of the location information may be determined based on the safety type parameter sp, the first level of detail parameter dp1, the second level of detail parameter dp2, and / or the positioning accuracy information.

[0137] (Application example of display such as the third screen P3) In this embodiment, an example in which a display such as the third screen P3 is performed on a communication terminal assuming the occurrence of a disaster has been described. However, the display such as the third screen P3 may be performed on the communication terminal not only during the occurrence of a disaster but also during normal times.

[0138] (Effect of displaying a result screen (the third screen P3, the sixth screen P6) including a topographic cross-section) The positional relationship regarding the height between the user of the communication terminal and the user of another selected communication terminal or the positional relationship regarding the height with the selected real estate (shelter) can be visually recognized. During a disaster where evacuation considering a tsunami is necessary, when in a nearby location but at a different height and not knowing the difference in location, it becomes easier to grasp the position information of others (another communication terminal or real estate) considering the height difference.

[0139] (Effect of displaying height information and moving direction on the selection screen (the first screen P1)) It becomes easier to grasp the behavior of the user of the other communication terminal.

[0140] (Effect of displaying the second height information on the selection screen (the first screen P1)) Compared to a form of displaying height information using a length measurement unit such as meter display, it is easier to grasp the degree of height intuitively with the height information.

[0141] (Effect of displaying two types of height information on the result screen (the third screen P3, the sixth screen P6) including a topographic cross-section) It is possible to grasp the height difference with objective height information and to grasp the degree of height of each area with sensory height information.

[0142] (Effect of switching between map display (the fourth screen P4, the seventh screen P7) and topographic cross-section display (the third screen P3, the sixth screen P6) according to the distance) It becomes possible to switch between topographic cross-section display and planar map display according to the necessity of grasping the height difference.

[0143] (Effect of displaying the movement trajectory in the map display (the fourth screen P4)) It becomes easy to grasp the behavior of at least one of the user of the communication terminal and the user of the other communication terminal.

[0144] (Effect of displaying the position information of a plurality of communication terminals on one screen in the result screen (the second screen P2)) It is possible to grasp the positions of the user of the communication terminal and the users of the other communication terminals on one screen.

[0145] (Effect of displaying the movement trajectory on the eighth screen P8 and the ninth screen P9) According to the moving direction, it becomes easy to grasp the behavior of at least one of the user of the communication terminal and the user of the other communication terminal in the vertical direction or the horizontal direction.

[0146] Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalent scope thereof.

Explanation of reference numerals

[0147] 1 Position information output system 11 Communication unit 12 Display unit 13 Recording unit 15 Control Unit 16 Position Information Acquisition Unit 20 Information Source Transmitting Unit 30 Information Server 31 Server Communication Unit 33 Server Recording Unit 35 Server Control Unit 70 Input / Output Terminal 101 Disaster Information Display Area 103 User Position Information Display Area 103a Group Member Position Information Display Switching Button 105 Screen Switching Button Display Area 105a Home Button 105b Weather Button 105c Disaster Information Button 105d Evacuation Shelter Button 105e Settings Button 201 First Return Button 202 First Name Display Area 203 Group Member Terminal Position Information Display Area 204 First Map Display Area 301 Second Return Button 302 Second Name Display Area 303 First Numerical Information Display Area 304 First Terrain Cross-Section Display Area 401 Third Return Button 402 Third Name Display Area 403 Second Numerical Information Display Area 404 Second Map Display Area 404a Arrow 404b Movement Trajectory 501 Evacuation Shelter Display Area 601 Fourth Return Button 602 Fourth Name Display Area 603 Third Numerical Information Display Area 604 Second Terrain Cross-Section Display Area 701 Fifth Return Button 702 Fifth Name Display Area 703 Fourth Numerical Information Display Area 704 Third Map Display Area Arrow 704a Return Button 801 Name Display Area 802 Trajectory Display Area 803 Moving Trajectory 803b Return Button 901 Name Display Area 902 Trajectory Display Area 903 Moving Trajectory 903b Predetermined Coefficient c1 Location Information Database D1 Height Information Conversion Table D2 Group Information Database D3 Shelter Database D4 Map Information Database D5 First Distance di1 Second Distance di2 First Detail Parameter dp1 Second Detail Parameter dp2 Communication Terminal 51 M51 Communication Terminal 52 M52 Communication Terminal 53 M53 Communication Terminal 54 M54 Communication Terminal 55 M55 Disaster Level Mark ma1 Safety Unconfirmed Mark ma2 First Screen P1 Second Screen (User Location Information Map Display) P2 Third Screen (Specific User Location Cross-Section Display) P3 Fourth Screen (Specific User Location Planar Display) P4 Fifth Screen (Shelter List Display) P5 Sixth Screen (Specific Shelter Location Cross-Section Display) P6 Seventh Screen (Specific Shelter Location Planar Display) P7 Eighth Screen (Moving Trajectory Cross-Section Display) P8 Ninth Screen (Moving Trajectory Planar Display) P9 First Area Po1 Second Area Po2 Third Area Po3 Safety Type Parameter sp T1 First time (transmission interval of location information) Thrd1 First distance threshold Thrd2 Second distance threshold Thrd3 Third distance threshold

Claims

1. A communication terminal including a display unit, the display unit displays a second selection screen including at least one piece of location information of real estate located around the communication terminal; When one of the position information of the one or more real estates is selected on the second selection screen, the display unit displays a second result screen including a topographical cross section between the first area and a third area in which the real estate selected on the second selection screen is located, When one of the location information of the one or more real estates is selected on the second selection screen and the distance between the first area and the third area is less than a second distance threshold, the display unit displays the second result screen; A communication terminal, wherein when one of the location information of the one or more real estate properties is selected on the second selection screen and the distance between the first area and the third area is greater than or equal to the second distance threshold, the display unit displays a fourth result screen including a map including the first area and the third area.

2. The communications terminal of claim 1 , wherein the first distance threshold is greater than the second distance threshold.

3. The communication terminal according to claim 1 , wherein the third result screen includes at least one of a movement trajectory of the communication terminal and a movement trajectory of the other communication terminal selected on the first selection screen.

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