JP2012175651A - Communication device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication device capable of dynamically switching the notification threshold and notification sound based on present position information of own device when an emergency earthquake prompt report is received.SOLUTION: The communication device includes: reception means 108 for receiving the emergency disaster information; notification means 104 for notifying a user of the disaster information by voice or display based on the emergency disaster information received by the reception means 108; present position detection means 109 for detecting a present position; and control means 101 in which, when the emergency disaster information is received by the reception means 108, notification conditions of the notification means 104 are switched based on the present position information detected by the present position detection means 109.

Description

  The present invention relates to a communication device that receives an emergency disaster bulletin such as an emergency earthquake bulletin announced by the Japan Meteorological Agency, and notifies a predicted seismic intensity calculated based on the received emergency disaster bulletin, a postponement time, etc. The present invention relates to a communication device having a function of dynamically switching a notification threshold and a notification volume based on the current position information of the device itself when receiving an emergency disaster bulletin.

  Currently, an earthquake early warning service is provided that simultaneously delivers to mobile phones in areas where strong tremors are predicted in the event of an earthquake whose maximum seismic intensity is estimated to be greater than or equal to a predetermined level using public earthquake early warnings delivered by the Japan Meteorological Agency. ing. In this earthquake early warning service for general public, the meteorological agency immediately analyzes the observation data (initial tremor) captured by the seismometer near the epicenter and immediately estimates the seismic source and the magnitude of the earthquake. The user can be notified before the operation starts.

  In addition, an earthquake early warning receiving device having a function of receiving an earthquake early warning for advanced users provided by the Japan Meteorological Agency and notifying the user of the predicted seismic intensity and the postponement time has been proposed. In this emergency earthquake early warning receiver for advanced users, the earthquake information (latitude, longitude, depth, magnitude) included in the telegram data of emergency earthquake early warnings for advanced users provided by the Japan Meteorological Agency and pre-registered in its own device From the target point information (latitude, longitude, ground amplification), it is possible to immediately calculate the predicted seismic intensity and the arrival delay time at the target point and notify the user before reaching the main motion.

  Furthermore, for example, in the disaster information receiving device disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 2010-68172) below, a method is provided in which the notification threshold value and the notification volume are fixedly switched according to preset settings. . In this disaster information receiving apparatus, when an earthquake of a predetermined magnitude or larger occurs, the notification mode of the notification means is switched to the aftershock mode so that the volume of the notification sound is reduced or the threshold value for notification is increased. ing.

JP 2010-68172 A

  However, in such a disaster information receiving device, for example, when the user is at home, the device notifies the user of a small shaking earthquake, and notifies the user of only a large shaking earthquake while going out. Accordingly, there is a problem that a flexible notification operation cannot be realized.

  An object of the present invention is to solve the above-described problems, and communication that can dynamically switch a notification threshold value and a notification volume based on the current position information of the own device when receiving an earthquake early warning The object is to provide an apparatus.

  In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is directed to receiving means for receiving emergency disaster information, and the user can obtain disaster information by voice or display based on the emergency disaster information received by the receiving means. The notification means for detecting the current position, the current position detection means for detecting the current position, and the notification means based on the current position information detected by the current position detection means when the receiving means receives emergency disaster information. And a control means for switching the notification conditions.

  The invention according to claim 2 of the present application is the present invention according to claim 1, wherein the current position is based on the emergency disaster information received by the receiving means and the current position information detected by the current position detecting means. It is characterized by comprising a calculation means for calculating disaster information.

  The invention according to claim 3 of the present application is the invention according to claim 2 of the present application, wherein the disaster information is a predicted seismic intensity and a postponement time.

  The invention according to claim 4 of the present application is the invention according to any one of claims 1 to 3, wherein the notification condition is a notification threshold value or a notification volume by the notification means. To do.

  In the invention according to claim 1, a receiving means for receiving emergency disaster information, a notifying means for notifying a user of disaster information by voice or display based on the emergency disaster information received by the receiving means, and a current position Current position detection means for detecting the control means for switching notification conditions of the notification means based on the current position information detected by the current position detection means when emergency disaster information is received by the reception means; Is provided.

  According to such a configuration, it is possible to dynamically change the notification condition of the notification means at the time of emergency disaster information reception using the position information detected by the current position detection means included in the apparatus. A high communication device can be provided.

  In the invention according to claim 2, in the invention according to claim 1, the disaster information at the current position based on the emergency disaster information received by the receiving means and the current position information detected by the current position detecting means. Computation means for computing As a result, the disaster information can be predicted and calculated on the own device side that receives the emergency disaster information, and a more convenient communication device can be provided.

  In the invention concerning Claim 3, in the invention concerning Claim 2, the said disaster information is a predicted seismic intensity and arrival delay time. Thereby, the predicted seismic intensity and the postponement arrival time can be predicted and calculated on the own device side that receives the emergency disaster information, and a more convenient communication device can be provided.

  In the invention concerning Claim 4, in the invention concerning any one of Claim 1 thru | or 3, the said alerting | reporting conditions are the alerting | reporting threshold value or alerting | reporting volume by the said alerting | reporting means. Thereby, since the notification threshold value and the notification volume at the time of receiving emergency disaster information can be dynamically changed, a more convenient communication device can be provided.

It is a figure which shows schematic structure of the emergency earthquake bulletin delivery system concerning the Example of this invention. It is a block diagram which shows the principal part structure of the navigation apparatus concerning the Example of this invention. It is a flowchart which shows the processing operation of the navigation apparatus concerning the Example of this invention.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings. However, the embodiment described below exemplifies a navigation device for embodying the technical idea of the present invention, and is not intended to identify the present invention as this navigation device, but claims The present invention can be equally applied to the communication devices of other embodiments included in the scope.

  FIG. 1 is a diagram showing a schematic configuration of an emergency earthquake bulletin distribution system according to an embodiment of the present invention. The emergency earthquake bulletin distribution system includes a navigation device 100, mobile phone devices 200, 300, and the like. The navigation device 100 and the mobile phone device 200 are connected via a wireless communication network 400. Here, the navigation device 100, the mobile phone device 200, and the like are communication devices having a function of receiving emergency disaster bulletins such as emergency earthquake bulletins via the wireless communication network 400. The earthquake early warning is distributed from the earthquake early warning distribution server 700 of a specific distributor. Here, an emergency earthquake bulletin distribution system will be described.

  When an earthquake occurs in any place, among the many seismometers installed in various places, the seismometer 500 closest to the epicenter first senses the seismic wave and transmits the observation data to the Japan Meteorological Agency 600. The meteorological agency 600 analyzes the data by a computer and calculates an estimated value of the occurrence time, occurrence location, and scale (magnitude) of the earthquake.

  The estimated time, location, and magnitude (magnitude) of the earthquake thus calculated are transmitted to broadcast stations and other organizations as emergency earthquake alerts. The earthquake early warning distribution server 700 of the information distributor registered as one of them is also sent to the earthquake early warning distribution server 700, and the earthquake early warning distribution server 700 contracts the emergency earthquake early warning received from the Japan Meteorological Agency 600. Distribution is made via a wireless communication network 400 to a communication device (in FIG. 1, the navigation device 100 and the mobile phone devices 200 and 300).

  When the navigation device 100 and the mobile phone devices 200 and 300 receive the earthquake early warning from the earthquake early warning distribution server 700, the predicted seismic intensity and the arrival delay time at the current position of the own device are calculated based on the received emergency earthquake early warning, When receiving the earthquake early warning, the notification threshold value and the notification volume are dynamically switched based on the current position information of the device by radio waves from a plurality of GPS satellites 800, and the user is notified by voice or display.

  Next, the configuration of the navigation device according to the embodiment of the present invention will be described.

  FIG. 2 is a block diagram showing a main configuration of the navigation device 100 according to the embodiment of the present invention. The navigation device 100 is mounted on a vehicle and displays the current position of the vehicle together with a map image on the display, and searches for the current position or a route from a desired departure place to a destination and displays it on the display. It provides assistance for traveling to the destination.

  The navigation device 100 includes a control unit 101, a ROM 102, a memory 103, a speaker unit 104, a voice input unit 105, a display unit 106, an operation unit 107, a wireless communication unit 108, a GPS communication unit 109, a communication control unit 110, and a data processing unit 111. And a route search unit 112.

  The control unit 101 is configured mainly with a microprocessor, and reads various control programs stored in the ROM 102 in the same manner as a general computer device, expands it in a program storage area in the memory 103, and executes the control program. By executing this, the operation of each unit described below is controlled and integrated.

  Note that the control unit 101 uses the speaker unit 104 based on the current position information detected by the GPS communication unit 109, which will be described later, when the earthquake early warning distribution server 700 is received by the wireless communication unit 108, which will be described later. It functions as a control means for dynamically switching notification conditions such as a notification threshold value and notification volume of notified earthquake information (such as predicted seismic intensity and postponement of arrival time).

  In addition, the ROM 102 stores a home notification threshold and a notification volume, a going-out notification threshold and a notification volume. The notification threshold and the notification volume for home use or wherever you go stored in the ROM 102 are stored in the memory 103 by the control unit 101 according to the current position of the navigation device 100 when the earthquake early warning distribution server 700 is received. Are read into the notification condition setting area. For example, when the current position of the navigation device 100 is home, the home notification threshold value and the notification volume stored in the ROM 102 are read into the notification condition setting area in the memory 103. On the other hand, when the current position of the navigation device 100 is a place other than the home, the out-of-home notification threshold and the notification volume stored in the ROM 102 are read into the notification condition setting area in the memory 103.

  The memory 103 uses road node data having nodes as nodes such as intersections and branch points of roads used when the route search processing is performed by the route search unit 112 and links connecting the nodes. Road data including road link data is stored. The road node data includes road node numbers, position coordinates, number of connection links, branch point names, etc., and route guidance that provides route guidance such as turning left and right and straight ahead at a guide point that is a predetermined distance away from the branch point. Includes data and location coordinates of guide points.

  The road link data includes a road node number as a starting point and an end point, a road type, a link length (link cost) as distance information between nodes, a required time, the number of lanes, a road width, and the like. Further, data such as bridges, tunnels, railroad crossings, toll booths, speed limits, and the like are given as link attributes to the road link data. The road type is information including a highway and a toll road, and a national road and a prefectural road.

  As will be described later, the speaker unit 104 performs data based on the emergency earthquake bulletin received by the wireless communication unit 108 from the earthquake bulletin distribution server 700 and the current earthquake location information received by the GPS communication unit 109. The earthquake information (predicted seismic intensity, arrival delay time, etc.) calculated by the processing unit 111 is converted into an audio signal and output. The voice input unit 105 is used to input a route search condition such as a departure point, a destination, and a waypoint for performing a route search by voice.

  The display unit 106 displays the guidance route data searched by the route search unit 112 together with the current position information of the navigation device 100 received by the GPS communication unit 109, and a display panel such as a liquid crystal display is used. . Further, as will be described later, the data processing unit 111 is based on the earthquake early warning received from the earthquake early warning delivery server 700 by the wireless communication unit 108 or the current earthquake location information received by the GPS communication unit 109. The earthquake information (predicted seismic intensity, delay time for arrival, etc.) calculated by is converted into a video signal and displayed.

  The operation unit 107 includes a touch panel that is operated by pressing an operation key provided on the main body of the navigation device 100 or an operation icon displayed on the display unit 106, and is a starting point and a destination for performing a route search. This is used for inputting route search conditions such as waypoints.

  The radio communication unit 108 is connected to the radio communication network 400, and the communication control unit 110 controls reception and transmission to the radio channel to transmit and receive communication data. The earthquake early warning is received, and mail is transmitted / received to / from the communication device (for example, the mobile phone device 200, 300) of the communication partner.

  The GPS communication unit 109 receives radio waves from a plurality of GPS satellites circling over the earth at predetermined time intervals, and based on time information and satellite position information included in this signal, the current state of the navigation device 100 Detect position. In addition, you may detect the present position of the navigation apparatus 100 using the autonomous navigation means which consists of a gyro sensor, an acceleration sensor, a distance sensor, a direction sensor, etc. which are mounted in the navigation apparatus 100. The method of obtaining the current position using autonomous navigation means is combined with the method of obtaining the current position by receiving the radio wave from the GPS satellite, so that it can be used in a tunnel where the radio wave from the GPS satellite cannot be received or in a skyscraper town where errors are likely to occur. In effect.

  The data processing unit 111 uses the earthquake communication information (predicted seismic intensity, estimated grace time, etc.) based on the emergency earthquake information received from the earthquake information distribution server 700 by the wireless communication unit 108 and the current position information received by the GPS communication unit 109. ) Is calculated.

  The route search unit 112 refers to the map information stored in the memory 103 when a route search condition such as a departure point, a destination, or a waypoint is designated by the user via the voice input unit 105 or the operation unit 107. Then, the optimum route from the departure point to the destination is searched for and guide route data is created. The search for the optimum route is performed from the node of the road corresponding to the starting point or the current position specified by the user via a desired waypoint (if no waypoint is designated, no waypoint is included) The nodes and links between the nodes corresponding to the destination specified by the user are searched by a method such as Dijkstra method, the link length (link cost) and the required time are accumulated, and the total link length (travel distance) or total A route having the shortest required time is searched as a guide route, and nodes and links belonging to the route are provided as guide route data.

  Next, emergency earthquake warning notification processing using the navigation device 100 configured as described above will be described with reference to the flowchart of FIG.

  First, the control unit 101 determines whether or not an emergency earthquake bulletin has been received from the earthquake bulletin distribution server 700 by the wireless communication unit 108 in a state of waiting for an emergency earthquake bulletin (step S11). When it is determined that the wireless communication unit 108 has received the earthquake early warning (step S11, YES), the control unit 101 controls the data processing unit 111 to be received from the earthquake early warning distribution server 700 by the wireless communication unit 108. Based on the earthquake early warning and the current position information received by the GPS communication unit 109, a predicted seismic intensity and a postponement time as earthquake information are calculated (step S12).

  Next, the control unit 101 determines whether or not the current position of the navigation device 100 is home based on the current position information received by the GPS communication unit 109 (step S13). If the navigation device 100 is at home (YES in step S13), the home notification threshold and the notification volume stored in the ROM 102 are read into the notification condition setting area in the memory 103 (step S14).

  On the other hand, when the navigation device 100 is not at home (NO in step S13), the control unit 101 reads the notification threshold value for the whereabouts and the notification volume stored in the ROM 102 into the notification condition setting area in the memory 103 (step S13). S15).

  Then, the control unit 101 determines whether or not the predicted seismic intensity calculated by the data processing unit 111 in step S <b> 12 is equal to or greater than the home or away notification threshold value read into the notification condition setting area in the memory 103. (Step S16).

  When the calculated predicted seismic intensity is equal to or greater than the read notification threshold value (YES in step S16), the notification for home or whereabouts read in the notification condition setting area in the memory 103 under the control of the control unit 101. A notification process from the speaker unit 104 is performed according to the sound volume (step S17), and the process ends. On the other hand, when the calculated predicted seismic intensity is not equal to or greater than the read notification threshold value (NO in step S16), the process is terminated as it is.

  In the above-described embodiment, the navigation device 100 is described as an example of the communication device.

DESCRIPTION OF SYMBOLS 100 ... Navigation apparatus 200, 300 ... Mobile telephone apparatus 400 ... Wireless communication network 500 ... Seismometer 600 ... Meteorological Agency 700 ... Earthquake early warning distribution server 800 ... GPS satellite

Claims (4)

A receiving means for receiving emergency disaster information;
Based on the emergency disaster information received by the receiving means, notification means for notifying the user of the disaster information by voice or display;
Current position detecting means for detecting the current position;
Control means for switching the notification condition of the notification means based on the current position information detected by the current position detection means when emergency disaster information is received by the reception means;
A communication apparatus comprising:   2. The calculation unit according to claim 1, further comprising a calculation unit configured to calculate disaster information at a current position based on emergency disaster information received by the reception unit and current position information detected by the current position detection unit. The communication device described.   The communication apparatus according to claim 2, wherein the disaster information includes a predicted seismic intensity and a postponement time.   The communication device according to any one of claims 1 to 3, wherein the notification condition is a notification threshold value or a notification volume by the notification unit.

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