JP2014238673A - Information providing system, information providing device, portable terminal, and information acquisition program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent unauthorized acquisition of information provided on the basis of an ultrasonic signal.SOLUTION: An ultrasonic generation device 1 includes a signal generation unit which generates an ultrasonic signal on which distributed information is superposed. A portable terminal 2 includes an ultrasonic signal reception unit for receiving the ultrasonic signal, an extraction unit for extracting the distributed information superposed on the ultrasonic signal, a position specification information acquisition unit for acquiring position specification information to specify the position of the portable terminal, and a terminal-side transmission unit which transmits the distributed information and the position specification information to an information providing device 3. The information providing device 3 includes a device-side reception unit for receiving the distributed information and the position specification information from the portable terminal 2, an acquisition unit for acquiring provided information to be provided to the portable terminal 2 on the basis of the distributed information, and a device-side transmission unit for, if a relation between the distributed information and the position specification information satisfies a prescribed condition, transmitting the provided information to the portable terminal 2.

Description

  The present invention relates to an information providing system, an information providing apparatus, a portable terminal, and an information acquisition program for providing information to a portable terminal.

  In recent years, a method of performing communication using an acoustic signal on which information is superimposed has been proposed. For example, in Patent Document 1, a mobile terminal picks up a sound including identification information modulated into an acoustic signal, demodulates the identification information from the sound, and acquires content based on the demodulated identification information. A technique for acquiring address information for a server from a server is disclosed. Japanese Patent Application Laid-Open No. H10-228561 discloses a technique for emitting sound by shifting the frequency of the acoustic signal to a non-audible band.

  According to such a technique, a coupon or the like is displayed on a portable terminal existing at a position where the ultrasonic signal can be received by superimposing identification information such as a coupon or the like on an acoustic signal in an inaudible band, that is, an ultrasonic signal. A web page can be accessed to obtain a coupon or the like.

JP 2012-155706 A

  By the way, according to the method described in Patent Document 1, it is possible to record an ultrasonic signal emitted at a store or the like and emit the recorded ultrasonic signal at different locations. Therefore, when providing a service that grants a privilege such as a coupon to the user who has visited the store using the technology described in Patent Document 1, the user of the mobile terminal is different from the location of the store. There is a problem that a coupon or the like superimposed on the ultrasonic signal can be illegally acquired by emitting the ultrasonic signal recorded at the position.

  Therefore, the present invention has been made to solve these problems, and an information providing system, an information providing apparatus, and a portable terminal that can prevent unauthorized acquisition of information provided based on an ultrasonic signal And an information acquisition program.

  An information providing system according to a first aspect of the present invention is an information providing system including an ultrasonic generator, a portable terminal, and an information providing apparatus that provides information to the portable terminal, wherein the ultrasonic generation is performed. The apparatus includes a signal generation unit that generates an ultrasonic signal on which distribution information is superimposed, and the portable terminal includes an ultrasonic signal reception unit that receives the ultrasonic signal, and the ultrasonic signal that is superimposed on the ultrasonic signal. An extraction unit that extracts distribution information, a position specification information acquisition unit that acquires position specification information for specifying the position of the mobile terminal, and a terminal side that transmits the distribution information and the position specification information to the information providing apparatus A transmission unit, and the information providing device provides to the mobile terminal based on the distribution information and a device-side receiving unit that receives the distribution information and the position specifying information from the mobile terminal. Get That has an acquisition unit, and the distribution information and the positional relationship between the identification information transmits the provided information to the portable terminal when a predetermined condition is satisfied device side transmission unit.

  The information providing apparatus further includes a distribution position specifying unit that acquires distribution position information indicating a position where the distribution information is distributed based on the distribution information, and the apparatus-side transmission unit includes the distribution position information and the position When the relationship with the specific information satisfies the predetermined condition, the provided information may be transmitted to the mobile terminal.

  The distribution information includes identification information of the ultrasonic generator, and the information providing device stores positional relationship information in which the identification information of each of the plurality of ultrasonic generators is associated with the distribution position information. A storage unit; and the distribution position specifying unit acquires the distribution position information stored in the storage unit in association with the identification information included in the distribution information received by the device-side receiving unit, The device-side transmitting unit may transmit the provision information to the portable terminal when a relationship between the distribution position information acquired by the distribution position specifying unit and the position specifying information satisfies the predetermined condition. .

  The distribution information includes distribution time information that varies depending on a time at which the distribution information is distributed, and the device-side transmission unit receives the device-side reception when the distribution time information satisfies a predetermined first condition. The provision information may be transmitted when a relationship between the distribution information received by the unit and the position specifying information satisfies a predetermined second condition.

  The position specifying information acquisition unit may calculate the position specifying information based on a positioning radio wave received from a GPS (Global Positioning System) satellite. The wireless communication apparatus further includes a wireless communication device that wirelessly transmits the position specifying information in an area including a position where the ultrasonic generator is installed, and the position specifying information acquisition unit receives the position specifying information from the wireless communication device. You may receive it. The wireless communication device may transmit the position specifying information in a range wider than a range in which the portable terminal can receive an ultrasonic signal generated by the ultrasonic generator.

  An information providing system according to a second aspect of the present invention is an information providing system comprising an ultrasonic generator and a mobile terminal, wherein the ultrasonic generator receives an ultrasonic signal on which distribution information is superimposed. A signal generation unit that generates the ultrasonic signal reception unit that receives the ultrasonic signal; an extraction unit that extracts the distribution information superimposed on the ultrasonic signal; and When the relationship between the position specifying information acquisition unit for acquiring the position specifying information for specifying the position and the distribution information and the position specifying information satisfies a predetermined condition, the providing information is acquired based on the distribution information. And an acquisition unit.

  An information providing method according to a third aspect of the present invention includes a step of generating an ultrasonic signal on which distribution information is superimposed, a step of a portable terminal receiving the ultrasonic signal, and a position of the portable terminal. A relationship between the distribution information extracted in the step of acquiring position specifying information for extracting the distribution information superimposed on the ultrasonic signal, and the step of extracting the distribution information, and the position specifying information Acquiring provision information generated based on the distribution information when the predetermined condition is satisfied.

  An information providing apparatus according to a fourth aspect of the present invention includes, from a mobile terminal, position specifying information indicating a position of the mobile terminal, distribution information extracted by the mobile terminal from an ultrasonic signal generated by the ultrasonic generator, , When the relationship between the distribution information and the position specifying information satisfies a predetermined condition, the apparatus-side receiving unit that receives the information, the acquisition unit that acquires the provision information provided to the mobile terminal based on the distribution information, And a device-side transmitter that transmits the provided information to the mobile terminal.

  A portable terminal according to a fifth aspect of the present invention includes an ultrasonic signal receiving unit that receives an ultrasonic signal on which distribution information is superimposed, an extraction unit that extracts the distribution information superimposed on the ultrasonic signal, From the position providing information acquisition unit for acquiring the position specifying information for specifying its own position, the terminal side transmitting unit for transmitting the distribution information and the position specifying information to the information providing apparatus, and the distribution from the information providing apparatus A terminal-side receiving unit that receives provided information provided when a relationship between the information and the position specifying information satisfies a predetermined condition.

  An information acquisition program according to a sixth aspect of the present invention provides a computer provided in a mobile terminal, an extraction unit that extracts the distribution information superimposed on an ultrasonic signal on which distribution information is superimposed, and identifies its own position. From the position specifying information acquisition unit for acquiring the position specifying information for performing, the terminal side transmitting unit for transmitting the distribution information and the position specifying information to the information providing apparatus, and the information providing apparatus, the distribution information and the position specifying information When the relationship between the terminal and the terminal satisfies a predetermined condition, the terminal receives the provided information.

  ADVANTAGE OF THE INVENTION According to this invention, it can prevent acquiring the information provided based on an ultrasonic signal illegally.

1 is a schematic diagram of an information providing system according to a first embodiment. It is a functional lineblock diagram of an ultrasonic generator concerning a 1st embodiment, and a personal digital assistant. It is a functional block diagram of the information provision apparatus which concerns on 1st Embodiment. It is a figure which shows an example of the positional relationship information which concerns on 1st Embodiment. It is a functional block diagram of the information provision apparatus and conversion apparatus which concern on 1st Embodiment. In the information provision system which concerns on 1st Embodiment, it is a figure which shows an example of a communication sequence until a portable terminal receives provision information. It is a schematic diagram of the information provision system which concerns on 2nd Embodiment. It is a functional block diagram of the ultrasonic generator which concerns on 2nd Embodiment, a portable terminal, and a wireless access point. It is a figure which shows an example of the positional relationship information which concerns on 2nd Embodiment. It is a figure which shows an example of the positional relationship information which concerns on 3rd Embodiment. It is a functional block diagram of the ultrasonic generator and portable terminal which concern on 4th Embodiment. It is a function block diagram of the information provision apparatus which concerns on 4th Embodiment. It is a figure which shows an example of the authentication information which concerns on 4th Embodiment. It is a functional block diagram of the ultrasonic generator and portable terminal which concern on 5th Embodiment. It is a functional block diagram of the information provision apparatus which concerns on 5th Embodiment. In the information provision system which concerns on 5th Embodiment, it is a figure which shows an example of a communication sequence until a portable terminal receives provision information.

Hereinafter, embodiments of the present invention will be described.
<First Embodiment>
[Outline of Information Providing System S]
FIG. 1 is a schematic diagram of an information providing system S according to the first embodiment.
The information providing system S includes an ultrasonic generator 1, a mobile terminal 2, an information providing device 3, a base station 4, and a GPS satellite 5.

  The portable terminal 2 receives the ultrasonic signal generated by the ultrasonic generator 1 installed in a store, etc., extracts the distribution information superimposed on the ultrasonic signal, and receives the positioning received from the GPS satellite 5 The position specifying information is generated based on the radio wave. The mobile terminal 2 transmits the distribution information and the position specifying information to the information providing device 3 via the base station 4.

  Here, the base station 4 is communicably connected to the mobile terminal 2 via a mobile phone line, and is communicably connected to the information providing apparatus 3 via a network N composed of the Internet network or the like. Yes. The base station 4 transmits the distribution information and the position specifying information received from the mobile terminal 2 via the mobile phone line to the information providing device 3 via the network N.

  When receiving the distribution information and the position specifying information from the mobile terminal 2, the information providing device 3 acquires the provision information to be provided to the mobile terminal 2 based on the distribution information. And the information provision apparatus 3 transmits provision information to the portable terminal 2, when the relationship between delivery information and position specific information satisfy | fills predetermined conditions. Here, the provision information is coupon information indicating a coupon that can be used in a store where the ultrasonic generator 1 is installed, or discount information or point information that can discount a product sold in the store. The information providing system S may further include an external management system 8. The management system 8 manages coupon information and point information based on information from the information providing apparatus 3.

[Configuration Example of Ultrasonic Generator 1 and Portable Terminal 2]
Then, the function with which the ultrasonic generator 1 and the portable terminal 2 are provided is demonstrated. FIG. 2 is a functional configuration diagram of the ultrasonic generator 1 and the mobile terminal 2 according to the first embodiment.

The ultrasonic generator 1 stores a distribution information storage unit 11 and a signal generation unit 12.
The distribution information storage unit 11 stores distribution information. The distribution information is, for example, a device ID indicating identification information for identifying the ultrasonic generator 1 that transmits the distribution information, a provision information ID indicating identification information for identifying the provision information, and the like. The device ID may be shared by a plurality of ultrasonic generators 1 installed in the same store, for example.
The signal generation unit 12 modulates the distribution information stored in the distribution information storage unit 11 into ultrasonic waves, thereby generating an ultrasonic signal on which the distribution information is superimposed.

The mobile terminal 2 includes an ultrasonic signal receiving unit 21, a GPS receiving unit 22, a terminal-side storage unit 23, an input unit 24, a display unit 25, a wireless unit 26, and a terminal-side control unit 27.
The ultrasonic signal receiver 21 is a receiver, for example, and receives an ultrasonic signal generated by the ultrasonic generator 1.
The GPS receiving unit 22 periodically receives positioning radio waves from GPS satellites under the control of the terminal-side control unit 27.

  The terminal-side storage unit 23 is configured by, for example, a ROM and a RAM. The terminal-side storage unit 23 stores various programs for causing the mobile terminal 2 to function. For example, the terminal-side storage unit 23 causes the terminal-side control unit 27 of the mobile terminal 2 to function as an extraction unit 271, a position specifying information acquisition unit 272, a terminal-side transmission unit 273, and a terminal-side reception unit 274, which will be described later. An information acquisition program is stored. The terminal-side storage unit 23 may read and store a program stored in a storage medium such as an external memory, or may store a program downloaded from an external device via a network.

The input unit 24 includes, for example, a button, a contact sensor arranged so as to be superimposed on the display unit 25, and the like. The input unit 24 receives an operation input from the user of the mobile terminal 2.
The display unit 25 is configured by, for example, a liquid crystal display or an organic EL (Electro-Luminescence) display. The display unit 25 displays characters, figures, and the like according to the control of the terminal side control unit 27.

  The radio unit 26 modulates the signal output from the terminal-side control unit 27 to generate an RF (Radio Frequency) signal, and wirelessly transmits the RF signal to the base station 4 via an antenna (not shown). The radio unit 26 demodulates the RF signal received via the antenna and outputs the demodulated signal to the terminal-side control unit 27.

  The terminal side control part 27 is comprised by CPU, for example. The terminal-side control unit 27 comprehensively controls functions related to the mobile terminal 2 by executing various programs stored in the terminal-side storage unit 23. The terminal side control unit 27 includes an extraction unit 271, a position specifying information acquisition unit 272, a terminal side transmission unit 273, and a terminal side reception unit 274.

  The extraction unit 271 causes the ultrasonic signal reception unit 21 to start receiving an ultrasonic signal in response to the operation of obtaining the provision information being performed in the input unit 24. Then, the extracting unit 271 extracts the distribution information superimposed on the ultrasonic signal by demodulating the ultrasonic signal received by the ultrasonic signal receiving unit 21.

  The position specifying information acquisition unit 272 acquires position specifying information for specifying the position of the mobile terminal 2. Specifically, the position specifying information acquisition unit 272 causes the GPS reception unit 22 to receive a positioning radio wave in response to an operation of acquiring provided information in the input unit 24. Then, the position specifying information acquisition unit 272 acquires the position specifying information by calculating the position specifying information based on the positioning radio wave received by the GPS receiving unit 22.

  Here, the position specifying information includes, for example, latitude information indicating latitude and longitude information indicating longitude. Note that the GPS receiver 22 may always receive positioning radio waves according to the settings of the mobile terminal 2. In this case, the position specifying information acquiring unit 272 calculates the position specifying information based on the positioning radio wave received by the GPS receiving unit 22 at the time closest to the time when the operation for acquiring the provided information is performed at the input unit 24.

The terminal-side transmitting unit 273 transmits the distribution information extracted from the ultrasonic signal by the extracting unit 271 and the position specifying information acquired by the position specifying information acquiring unit 272 to the information providing apparatus 3 via the wireless unit 26. .
The terminal-side receiving unit 274 receives provided information from the information providing apparatus 3 via the wireless unit 26. The terminal-side receiving unit 274 stores the received provided information in the terminal-side storage unit 23.
Here, the terminal-side receiving unit 274 may display the provision information stored in the terminal-side storage unit 23 on the display unit 25. Further, the terminal-side receiving unit 274 may cause the display unit 25 to display the received provided information directly.

[Configuration Example of Information Providing Device 3]
Then, the function with which the information provision apparatus 3 is provided is demonstrated. FIG. 3 is a functional configuration diagram of the information providing apparatus 3 according to the first embodiment.
The information providing device 3 is a server, for example, and includes a device-side storage unit 31 and a device-side control unit 32.

  The device-side storage unit 31 is configured by, for example, a ROM and a RAM. The device-side storage unit 31 stores various programs for causing the information providing device 3 to function. The device-side storage unit 31 may read and store a program stored in a storage medium such as an external memory, or may store a program downloaded from an external device via a network.

The device-side storage unit 31 includes a positional relationship storage unit 311 that stores positional relationship information. The positional relationship storage unit 311 stores in advance positional relationship information in which each device ID of the plurality of ultrasonic generators 1 is associated with distribution position information indicating the position of the ultrasonic generator 1. FIG. 4 is a diagram illustrating an example of positional relationship information stored in the positional relationship storage unit 311 according to the first embodiment. As shown in FIG. 4, the distribution position information is composed of latitude information indicating the latitude of the position where the ultrasonic generator 1 is installed and longitude information indicating the longitude.
In addition, the device-side storage unit 31 includes a provision information storage unit 312 that stores the provision information ID included in the distribution information in association with the provision information.

  The device side control unit 32 is configured by, for example, a CPU. The device-side control unit 32 comprehensively controls functions related to the information providing device 3 by executing various programs stored in the device-side storage unit 31. The device-side control unit 32 includes a device-side receiving unit 321, a distribution position specifying unit 322, an acquiring unit 323, and a device-side transmitting unit 324.

The device-side receiving unit 321 receives distribution information and position specifying information from the mobile terminal 2.
The distribution position specifying unit 322 acquires distribution position information indicating a position where the distribution information received by the device-side receiving unit 321 is distributed. Specifically, the distribution position specifying unit 322 refers to the positional relationship information stored in the positional relationship storage unit 311, and is associated with the device ID included in the distribution information received by the device-side receiving unit 321. The distribution position information stored in the positional relationship storage unit 311 is acquired.

  For example, when the device ID included in the distribution information received by the device-side receiving unit 321 is “000002”, the distribution position specifying unit 322 refers to the positional relationship storage unit 311 illustrated in FIG. As the distribution position information associated with the ID, the latitude “north latitude 35 degrees 36 minutes 17 seconds” and longitude “140 degrees 07 minutes 24 seconds east longitude” are acquired.

  The acquisition unit 323 acquires provision information to be provided to the mobile terminal 2 based on the distribution information. Specifically, the acquisition unit 323 refers to the provision information storage unit 312 and is stored in the provision information storage unit 312 in association with the provision information ID included in the distribution information received by the device-side reception unit 321. Get offer information.

  For example, as illustrated in FIG. 5, the acquisition unit 323 transmits the provision information ID to the address acquisition device 7 that is communicably connected to the information provision device 3, and the provision information ID is transmitted to the address acquisition device 7. The address of the provided information converted from may be acquired. Specifically, as shown in FIG. 5, the address acquisition device 7 includes an identification information reception unit 71, an address acquisition unit 72, and an address transmission unit 73. When the identification information receiving unit 71 receives the provided information ID transmitted from the acquiring unit 323, the address acquiring unit 72, for example, a conversion table (not shown) that stores the provided information ID and the address of the provided information in association with each other. Based on the information, the address of the provision information associated with the received provision information ID is acquired. The address transmitting unit 73 transmits the acquired provided information address to the information providing apparatus 3.

  The device-side transmitting unit 324 transmits the provided information acquired by the acquiring unit 323 to the mobile terminal 2 when the relationship between the distribution information received by the device-side receiving unit 321 and the position specifying information satisfies a predetermined condition. Specifically, the device-side transmitting unit 324 has a relationship between the distribution position information specified by the distribution position specifying unit 322 based on the identification information included in the distribution information received by the device-side receiving unit 321 and the position specifying information. When the predetermined condition is satisfied, the provided information is transmitted to the mobile terminal 2. Here, the predetermined condition means, for example, that the delivery position information matches the position specifying information. The predetermined condition may be that the position indicated by the position specifying information is within a predetermined range from the position indicated by the distribution position information.

  Further, the information providing apparatus 3 may be linked with the external management system 8. Specifically, a store side management system that stores coupon information, a point management system that manages point information, and the like. In this case, the information providing apparatus 3 distributes the provided information to the portable terminal 2 and transmits information indicating that the provided information has been distributed to the external management system 8. As a result, the external management system 8 can manage the user having the mobile terminal 2 based on providing the provided information. Furthermore, the information providing apparatus 3 may notify the external management system 8 that there has been an unauthorized request. Thereby, provision of the information requested illegally can be stopped, and the user who has the portable terminal 2 which performed unauthorized use can be specified. The distribution information may be transmitted from the external management system 8 to the information providing apparatus 3.

[Communication Sequence of Information Providing System S]
FIG. 6 is a diagram illustrating an example of a communication sequence until the mobile terminal 2 receives the provision information in the information provision system S according to the first embodiment.
First, the ultrasonic generator 1 generates an ultrasonic signal on which distribution information including at least one of a device ID, a provided information ID, and a facility ID is superimposed (S1).

  Subsequently, when the ultrasonic signal receiving unit 21 receives the ultrasonic signal, the extracting unit 271 extracts the distribution information included in the ultrasonic signal (S2). Subsequently, the position specifying information acquisition unit 272 acquires the position specifying information by calculating the position specifying information based on the positioning radio wave received by the GPS receiving unit 22 (S3). In addition, the order of S2 and S3 is not restricted to the order shown in FIG. 6, S2 may be performed after S3.

Subsequently, the terminal-side transmitting unit 273 transmits the distribution information extracted in S2 and the position specifying information acquired in S3 to the information providing apparatus 3.
Subsequently, the device-side receiving unit 321 receives distribution information and position specifying information from the mobile terminal 2.

  Subsequently, the distribution position specifying unit 322 acquires the distribution position information stored in the positional relationship information of the positional relationship storage unit 311 based on the device ID included in the distribution information. Thereafter, the acquisition unit 323 acquires the provision information stored in the provision information storage unit 312 based on the provision information ID included in the distribution information (S4).

Subsequently, the device-side transmitting unit 314 determines whether or not the provision information transmission condition is satisfied (S5). For example, the device-side transmitting unit 314 determines that the transmission condition is satisfied when the position specifying information received by the device-side receiving unit 321 matches the distribution position information acquired by the distribution position specifying unit 322, and is provided. Information is transmitted to the portable terminal 2.
Subsequently, the terminal-side receiving unit 274 receives the provision information and stores the provision information in the terminal-side storage unit 23 (S6).

[Effect in the first embodiment]
As described above, the portable terminal 2 of the information providing system S according to the first embodiment provides the distribution information extracted from the ultrasonic signal and the position specifying information for specifying the position of the portable terminal 2 as an information providing apparatus. 3 to send. The information providing device 3 transmits the provided information to the mobile terminal 2 when the relationship between the distribution information and the position specifying information satisfies a predetermined condition. Therefore, the information providing system S can prevent the information provided based on the ultrasonic signal from being illegally acquired at a position different from the position defined in advance.

  Further, the information providing apparatus 3 acquires distribution position information indicating the position where the distribution information is distributed based on the distribution information received from the mobile terminal 2. In addition, the information providing device 3 acquires the distribution position information stored in the positional relationship storage unit 311 in association with the device ID included in the received distribution information, and the distribution position information and the received position specifying information When the relationship satisfies a predetermined condition, the provision information is transmitted to the mobile terminal 2. Therefore, in the information providing system S, it is not necessary to include information indicating the position in the distribution information, so that the position where the distribution information is distributed can be specified without increasing the data amount of the distribution information.

  Moreover, the portable terminal 2 calculates position specifying information based on the positioning radio wave received from the GPS satellite. Therefore, the information providing apparatus 3 can accurately determine the position of the mobile terminal 2 and accurately determine whether or not to provide the provided information.

<Second Embodiment>
[Acquisition of location specifying information by wireless access point 6]
Next, the second embodiment will be described. The second embodiment is different from the first embodiment in that the mobile terminal 2 receives location specifying information from the wireless access point 6, and is the same in other points.

FIG. 7 is a schematic diagram of an information providing system S according to the second embodiment.
An information providing system S according to the second embodiment includes an ultrasonic generator 1, a mobile terminal 2, an information providing device 3, a base station 4, and a wireless access point 6 as a wireless communication device.

The portable terminal 2 receives the ultrasonic signal generated by the ultrasonic generator 1, extracts distribution information superimposed on the ultrasonic signal, and receives the position specifying information transmitted by the wireless access point 6. The mobile terminal 2 transmits the extracted distribution information and the acquired position specifying information to the information providing apparatus 3 via the base station 4.
As in the first embodiment, the information providing apparatus 3 transmits the provided information to the mobile terminal 2 when the relationship between the distribution information and the position specifying information satisfies a predetermined condition.

  Here, a broken line a shown in FIG. 7 is a range in which the portable terminal 2 can receive an ultrasonic signal generated by the ultrasonic generator 1. A broken line b shown in FIG. 7 is a range in which the mobile terminal 2 can receive the position specifying information transmitted by the wireless access point 6. As shown in FIG. 7, the wireless access point 6 transmits the position specifying information in a wider range than the range in which the portable terminal 2 can receive the ultrasonic signal generated by the ultrasonic generator 1.

[Configuration Example of Ultrasonic Generator 1 and Portable Terminal 2]
Then, the function with which the ultrasonic generator 1, the portable terminal 2, and the wireless access point 6 which concern on 2nd Embodiment are provided is demonstrated. FIG. 8 is a functional configuration diagram of the ultrasonic generator 1, the mobile terminal 2, and the wireless access point 6 according to the second embodiment.
Since the configuration of the ultrasonic generator 1 according to the second embodiment is the same as the configuration of the ultrasonic generator 1 according to the first embodiment, the description thereof is omitted.

The wireless access point 6 may be, for example, a wireless LAN access point installed in a store or a Bluetooth (registered trademark) connection point. The wireless access point 6 includes a position specifying information storage unit 61 and a wireless transmission unit 62.
The location specifying information storage unit 61 stores an SSID (Service Set Identifier) for identifying the wireless access point 6.
The wireless transmission unit 62 wirelessly transmits position specifying information to an area including the position where the ultrasonic generator 1 is installed. Specifically, the wireless transmission unit 62 broadcasts the SSID stored in the position specifying information storage unit 61 to the range b shown in FIG.

  The mobile terminal 2 according to the second embodiment includes a wireless communication unit 28, and the location specifying information acquisition unit 272 receives the location specifying information from the wireless access point 6 via the wireless communication unit 28. Unlike the portable terminal 2 of the embodiment, the other points are the same. Hereinafter, the wireless communication unit 28 and the position specifying information acquisition unit 272 will be described, and description of other configurations included in the mobile terminal 2 will be omitted.

The wireless communication unit 28 communicates with the wireless access point 6 and receives the SSID broadcasted by the wireless transmission unit 62. In the present embodiment, the SSID is used as position specifying information indicating the position of the mobile terminal 2 that has received the SSID.
The location specification information acquisition unit 272 receives location specification information from the wireless access point 6 via the wireless communication unit 28.

[Configuration Example of Information Providing Device 3]
Then, the function with which the information provision apparatus 3 which concerns on 2nd Embodiment is provided is demonstrated. The information providing apparatus 3 according to the second embodiment differs from the configuration of the positional relationship storage unit 311 according to the first embodiment in the configuration of the positional relationship storage unit 311 and is otherwise the same. Hereinafter, the positional relationship storage unit 311 will be described, and description of other configurations included in the information providing device 3 will be omitted.

  FIG. 9 is a diagram illustrating an example of positional relationship information stored in the positional relationship storage unit 311 according to the second embodiment. The positional relationship storage unit 311 stores in advance positional relationship information in which each device ID of the plurality of ultrasonic generators 1 is associated with the SSID transmitted by the wireless access point 6 at the position of the ultrasonic generator 1. Yes. Since the wireless access point 6 transmits the position specifying information to a range wider than the range in which the portable terminal 2 can receive the ultrasonic signal generated by the ultrasonic generator 1, one SSID is associated with a plurality of device IDs. It has been. As illustrated in FIG. 9, for example, the SSID “112233454566” is associated with a plurality of device IDs “000001”, “000002”, and “000003”. In the information providing system S, the number of device IDs corresponding to one SSID of the wireless access point 6 is determined by adjusting the intensity of the radio wave transmitted by the wireless access point 6 and the installation location of the ultrasonic generator 1. be able to.

[Identification of position by received signal strength]
Note that the mobile terminal 2 according to the present embodiment may acquire position specifying information from the wireless access point 6 via the wireless communication unit 28 and detect the strength of the received signal. For example, the mobile terminal 2 acquires a value of RSSI (Received Signal Strength Indicator) indicating the strength of the radio wave received from the wireless access point 6 as the signal strength, and transmits the signal strength to the information providing apparatus 3. When the signal strength is smaller than the predetermined strength, the information providing device 3 determines that the mobile terminal 2 is located away from the wireless access point 6 and does not transmit the provided information to the mobile terminal 2.

  Further, the positional relationship storage unit 311 included in the information providing device 3 stores the relationship between the SSID of the wireless access point 6, the signal strength, and the position where the signal of the signal strength can be received, and the distribution location specifying unit 322. May refer to the positional relationship storage unit 311 and specify a position corresponding to the signal strength received from the mobile terminal 2. In this way, the information providing apparatus 3 can determine whether or not to transmit the provision information based on the position of the mobile terminal 2 that is more strictly specified.

[Effects of Second Embodiment]
As described above, in the information providing system S according to the second embodiment, the position specifying information acquisition unit 272 receives the position specifying information from the wireless access point 6, so that the portable terminal 2 cannot receive a GPS positioning signal. In addition, the position of the portable terminal 2 is specified, and provided information can be provided when the relationship between the distribution information and the position specifying information satisfies a predetermined condition.

  Further, the wireless access point 6 transmits the position specifying information in a range wider than the range in which the portable terminal 2 can receive the ultrasonic signal generated by the ultrasonic generator 1. Therefore, the information providing system S can share the wireless access point 6 for the plurality of ultrasonic generators 1 and reduce the installation cost of the wireless access point 6.

<Third Embodiment>
[Providing information based on the distribution time of distribution information]
Subsequently, a third embodiment will be described. The third embodiment is different from the first embodiment in that the provision information is provided based on the distribution time of the distribution information, and is the same in other points.
Since the configuration of the mobile terminal 2 according to the third embodiment is the same as the configuration of the ultrasonic generator 1 and the mobile terminal 2 according to the first embodiment, description thereof is omitted.

  The ultrasonic generator 1 according to the third embodiment generates an ultrasonic signal on which distribution information including distribution time information that changes according to the distribution time is superimposed. The ultrasonic generator 1 generates an ultrasonic signal on which distribution information whose contents change according to distribution time, such as a provision information ID for identifying provision information related to a time sale at a store, is superimposed.

  In the information providing device 3 according to the third embodiment, the positional relationship storage unit 311, the distribution position specifying unit 322, and the device side transmitting unit 314 are the same as the positional relationship storage unit 311 and the distribution position specifying unit 322 according to the first embodiment. Unlike the configuration of the apparatus-side transmitting unit 314, the other points are the same. Hereinafter, the positional relationship storage unit 311, the delivery position specifying unit 322, and the device-side transmission unit 314 will be described, and description of other configurations included in the information providing device 3 will be omitted.

  FIG. 10 is a diagram illustrating an example of the positional relationship information stored in the positional relationship storage unit 311 according to the third embodiment. The positional relationship storage unit 311 includes the device ID of each of the plurality of ultrasonic generators 1, the distribution position information indicating the position of the ultrasonic generator 1, and the effective distribution time indicating the time for which the distribution information is valid. The associated positional relationship information is stored in advance. As the effective distribution time, a predetermined time zone on a predetermined day, a plurality of days, etc. are designated. Also, the distribution time indicates that distribution information distributed every day from 11:00 to 13:00 is valid when no date is specified, such as “11:00 to 13:00”. The delivery time is not limited to the above-described example as long as the information can identify the time.

  The distribution position specifying unit 322 refers to the positional relationship storage unit 311, and the distribution position information stored in the positional relationship storage unit 311 in association with the device ID included in the distribution information received by the device-side receiving unit 321. And obtain effective delivery time. For example, when the device ID included in the distribution information received by the device-side receiving unit 321 is “000001”, the distribution position specifying unit 322 refers to the positional relationship storage unit 311 illustrated in FIG. As the distribution information associated with the ID, the latitude “North latitude 35 degrees 41 minutes 22 seconds” and the longitude “East longitude 139 degrees 41 minutes 27 seconds” are acquired, and the effective distribution time is “2013/6/20 10: 00- 14:00 "is acquired.

  The device-side transmitting unit 324 has a relationship between the distribution position information specified by the distribution position specifying unit 322 based on the identification information included in the distribution information received by the device-side receiving unit 321 and the position specifying information satisfies a predetermined condition. In this case, the provided information is transmitted to the mobile terminal 2. Here, the predetermined condition means that, for example, the distribution position information and the position specifying information match, and the current time is included in a time zone indicated by the effective distribution time.

  In the above description, it has been described that the content of the distribution information changes according to the distribution time. However, the distribution information may include distribution time information indicating a distribution time zone. In this case, the device-side transmitting unit 324 provides the provided information when the time when the device-side receiving unit 321 receives the distribution information is within a predetermined range with respect to the time zone indicating the distribution time information included in the distribution information. Is transmitted to the portable terminal 2.

[Effect in the third embodiment]
As described above, in the information providing system S according to the third embodiment, the provision information is provided based on the effective distribution time of the distribution information. Therefore, the mobile terminal 2 has illegally acquired at a time different from the effective distribution time. It is possible to prevent the distribution information from being transmitted and the provision information from being acquired.

<Fourth Embodiment>
[Providing provided information based on tokens that change according to the time distribution information is distributed]
Subsequently, a fourth embodiment will be described. The fourth embodiment is different from the first embodiment in that the provision information is provided based on distribution time information that changes according to the time at which the distribution information is distributed, and is the same in other points. Note that the ultrasonic generator 1 and the information providing device 3 are each provided with a timer whose time is synchronized.

[Configuration Example of Ultrasonic Generator 1 and Portable Terminal 2]
First, the function with which the ultrasonic generator 1 and the portable terminal 2 which concern on 4th Embodiment are provided is demonstrated. FIG. 11 is a functional configuration diagram of the ultrasonic generator 1 and the mobile terminal 2 according to the fourth embodiment. The ultrasonic generator 1 according to the fourth embodiment includes a token generator 13 in addition to the configuration included in the ultrasonic generator 1 of the first embodiment.

For example, the token generation unit 13 generates a token as distribution time information that changes according to the distribution information distribution time. The token is, for example, information indicating the delivery time or a character string that changes based on a predetermined rule according to the delivery time.
The signal generation unit 12 includes the token generated by the token generation unit 13 in the distribution information stored in the distribution information storage unit 11. And the signal generation part 12 superimposes the delivery information containing a token on an ultrasonic wave. Thus, the distribution information includes a token that changes according to the time at which the distribution information is distributed. The signal generator 12 generates an ultrasonic signal on which distribution information is superimposed.
Since the mobile terminal 2 according to the fourth embodiment has the same configuration as the mobile terminal 2 according to the first embodiment, the description thereof is omitted.

[Configuration Example of Information Providing Device 3]
Then, the function with which the information provision apparatus 3 is provided is demonstrated. FIG. 12 is a functional configuration diagram of the information providing apparatus 3 according to the fourth embodiment. The information providing apparatus 3 according to the fourth embodiment includes an authentication information storage unit 313 in addition to the configuration included in the information providing apparatus 3 according to the first embodiment.

FIG. 13 is a diagram illustrating an example of authentication information stored in the authentication information storage unit 313 according to the fourth embodiment. The authentication information storage unit 313 stores in advance authentication information in which a password is associated with each of a plurality of times.
The device-side transmitting unit 324 has a relationship between the distribution information received by the device-side receiving unit 321 and the position specifying information, and the token included in the distribution information received by the device-side receiving unit 321 satisfies the predetermined first condition. When the predetermined second condition is satisfied, the provision information is transmitted. Specifically, the device-side transmission unit 324 refers to the authentication information storage unit 313 and extracts a password corresponding to the current time. The device-side transmitting unit 324 determines that the predetermined first condition is satisfied when the token included in the distribution information received by the device-side receiving unit 321 matches the extracted password. The device-side transmitting unit 324 determines that the predetermined second condition is satisfied when the distribution position information acquired by the distribution position specifying unit 322 matches the position specifying information received by the device-side receiving unit 321.

[Effects of the fourth embodiment]
As described above, in the information providing system S according to the fourth embodiment, since it is determined whether or not the provision information is transmitted based on a token that changes according to the time at which the distribution information is distributed, the provision information is The possibility of unauthorized acquisition can be further reduced.

<Fifth Embodiment>
[Determine whether portable terminal 2 acquires provided information]
Subsequently, a fifth embodiment will be described. The fifth embodiment is different from the first embodiment in that it is determined whether or not the mobile terminal 2 acquires provided information, and is the same in other points.

[Configuration Example of Ultrasonic Generator 1 and Portable Terminal 2]
FIG. 14 is a functional configuration diagram of the ultrasonic generator 1 and the mobile terminal 2 according to the fifth embodiment.
Regarding the fifth embodiment, the terminal-side storage unit 23 of the mobile terminal 2 includes a positional relationship storage unit 231. The positional relationship storage unit 231 has the same configuration as the positional relationship storage unit 311 included in the information providing apparatus 3 of the first embodiment.

  The terminal-side transmission unit 273 and the terminal-side reception unit 274 function as an acquisition unit that acquires provided information, and the distribution information extracted from the ultrasonic signal by the extraction unit 271 and the position specification information acquired by the position specification information acquisition unit 272 Provided information is acquired based on the distribution information.

  Specifically, the terminal-side transmission unit 273 refers to the positional relationship storage unit 231 and is associated with the device ID included in the distribution information extracted from the ultrasonic signal by the extraction unit 271 in the positional relationship storage unit 311. The distribution position information stored in the position relation information is acquired. Then, the terminal-side transmitting unit 273 extracts the provision information ID included in the distribution information when the acquired distribution position information and the position specifying information acquired by the position specifying information acquiring unit 272 satisfy a predetermined condition. Then, a provision information acquisition request including the provision information ID is transmitted to the information provision apparatus 3 via the wireless unit 26.

  The terminal-side receiving unit 274 receives provided information from the information providing apparatus 3 via the wireless unit 26. Then, the terminal-side receiving unit 274 stores the received provision information in the terminal-side storage unit 23.

[Configuration Example of Information Providing Device 3]
FIG. 15 is a functional configuration diagram of the information providing apparatus 3 according to the fifth embodiment. The information providing apparatus 3 is different in that the information providing apparatus 3 does not include the distribution position specifying unit 322 and the positional relationship storage unit 311 according to the information providing apparatus 3 according to the first embodiment.

When the apparatus-side receiving unit 321 receives the provision information acquisition request, the acquisition unit 323 according to the fifth embodiment refers to the provision information storage unit 312 and provides it in association with the provision information ID included in the request. The provision information stored in the information storage unit 312 is acquired.
When the acquisition unit 323 acquires the provision information, the device-side transmission unit 324 transmits the provision information to the mobile terminal 2.

FIG. 16 is a diagram illustrating an example of a communication sequence until the mobile terminal 2 receives provided information in the information providing system S according to the fifth embodiment.
Since the processing from S11 to S13 is the same as the processing from S1 to S3 in the sequence shown in the first embodiment, the description thereof is omitted.

  Subsequently, the terminal-side transmission unit 273 refers to the positional relationship storage unit 231 and obtains distribution position information associated with the device ID included in the extracted distribution information. Then, the terminal-side transmitting unit 273 determines whether or not the acquired distribution position information and the position specifying information acquired by the position specifying information acquiring unit 272 satisfy a predetermined condition (S14). If the terminal-side transmission unit 273 determines that the predetermined condition is satisfied, the terminal-side transmission unit 273 transmits a provision information acquisition request including the provision information ID to the information provision device 3 via the wireless unit 26.

Subsequently, when the device-side receiving unit 321 of the information providing apparatus 3 receives the provision information acquisition request, the acquisition unit 323 is stored in the provision information storage unit 312 in association with the provision information ID included in the request. Provided information is acquired (S15). Subsequently, when the acquisition unit 323 acquires the provision information, the device-side transmission unit 324 transmits the provision information to the mobile terminal 2.
Subsequently, when receiving the provision information, the terminal-side receiving unit 274 stores the provision information in the terminal-side storage unit 23 (S16).

[Effects of Fifth Embodiment]
As described above, in the information providing system S according to the fifth embodiment, the portable terminal 2 determines whether or not the relationship between the distribution information and the position specifying information satisfies a predetermined condition, and sets the predetermined condition. Since the provision information is acquired from the information provision apparatus 3 only when the information is satisfied, communication to the information provision apparatus 3 can be suppressed, and communication traffic can be suppressed.

<Sixth Embodiment>
[Use multiple location information]
In the above-described embodiment, the configuration for determining whether to transmit the provision information to the portable terminal 2 using the latitude / longitude information obtained from the GPS satellite 5 or the identification information obtained from the wireless access point 6 has been described. These information may be used in combination.

  For example, the portable terminal 2 receives the identification information from the ultrasonic generator 1 to the ultrasonic generator 1, the identification information of the wireless LAN device that is the first wireless access point 6, and the Bluetooth that is the second wireless access point 6. Device identification information and latitude / longitude information based on positioning radio waves from the GPS satellite 5 are acquired. The portable terminal 2 transmits these pieces of information to the information providing device 3.

The positional relationship storage unit 231 of the information providing device 3 stores the identification information of the ultrasonic generator 1, the identification information of the wireless LAN device, the identification information of the Bluetooth device, and the provision information in association with each other. The device-side transmission unit 324 stores the combination of the identification information of the ultrasonic wave generation device 1 received from the mobile terminal 2, the identification information of the wireless LAN device, and the identification information of the Bluetooth device in the positional relationship storage unit 231. When the combination matches, the provided information corresponding to the combination is transmitted to the mobile terminal 2.
In this way, by using a plurality of pieces of positional information in combination, the information providing system S can prevent unauthorized use more effectively.

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above embodiment. In particular, the specific embodiments of the distribution / integration of the devices are not limited to those illustrated above, and all or a part thereof may be added in arbitrary units according to various additions or according to functional loads. It can be configured functionally or physically distributed and integrated.

  For example, in the above embodiment, the case where the distribution information includes the device ID and the provision information ID has been described. However, if the distribution information is information associated with the ultrasonic generator 1, the device ID and the provision are provided. The information ID is not limited.

DESCRIPTION OF SYMBOLS 1 ... Ultrasonic generator, 11 ... Delivery information storage part, 12 ... Signal generation part, 13 ... Token generation part, 2 ... Portable terminal, 21 ... Ultrasonic signal reception part , 22 ... GPS receiving unit, wireless communication unit, 23 ... terminal side storage unit, 231 ... positional relationship storage unit, 24 ... input unit, 25 ... display unit, 26 ... wireless 27: Terminal side control unit, 28 ... Wireless communication unit, 271 ... Extraction unit, 272 ... Location specifying information acquisition unit, 273 ... Terminal side transmission unit, 274 ... Terminal Side receiving unit, 3 ... information providing device, 31 ... device side storage unit, 311 ... positional relationship storage unit, 312 ... provided information storage unit, 313 ... authentication information storage unit, 32. ..Device-side control unit, 321... Device-side receiving unit, 322... Delivery position specifying unit, 323. DESCRIPTION OF SYMBOLS 4 ... Apparatus side transmission part, 4 ... Base station, 5 ... GPS satellite, 6 ... Wireless access point, 61 ... Position specific information memory | storage part, 62 ... Wireless transmission part, 7 ... Address acquisition device, 8 ... Management system, 71 ... Identification information receiving unit, 72 ... Address acquisition unit, 73 ... Address transmission unit, S ... Information provision system

Claims (12)

An information providing system comprising an ultrasonic generator, a portable terminal, and an information providing apparatus that provides information to the portable terminal,
The ultrasonic generator has a signal generator that generates an ultrasonic signal on which distribution information is superimposed,
The portable terminal is
An ultrasonic signal receiving unit for receiving the ultrasonic signal;
An extraction unit for extracting the distribution information superimposed on the ultrasonic signal;
A position specifying information acquisition unit for acquiring position specifying information for specifying the position of the mobile terminal;
A terminal-side transmitter that transmits the distribution information and the position specifying information to the information providing device;
Have
The information providing apparatus includes:
A device-side receiving unit that receives the distribution information and the position specifying information from the mobile terminal;
Based on the distribution information, an acquisition unit that acquires provision information to be provided to the mobile terminal;
A device-side transmitter that transmits the provision information to the mobile terminal when a relationship between the distribution information and the position specifying information satisfies a predetermined condition;
An information providing system. The information providing apparatus further includes a distribution position specifying unit that acquires distribution position information indicating a position where the distribution information is distributed based on the distribution information,
The device-side transmitting unit transmits the provision information to the portable terminal when a relationship between the distribution position information and the position specifying information satisfies the predetermined condition.
The information providing system according to claim 1. The distribution information includes identification information of the ultrasonic generator,
The information providing apparatus further includes a storage unit that stores positional relationship information in which the identification information of each of the plurality of ultrasonic generators is associated with the distribution position information.
The delivery position specifying unit acquires the delivery position information stored in the storage unit in association with the identification information included in the delivery information received by the device-side receiving unit,
The device-side transmission unit transmits the provision information to the portable terminal when a relationship between the distribution position information acquired by the distribution position specifying unit and the position specifying information satisfies the predetermined condition.
The information providing system according to claim 2. The delivery information includes delivery time information that changes according to the time at which the delivery information is delivered,
The apparatus-side transmitting unit, when the distribution time information satisfies a predetermined first condition, and a relationship between the distribution information received by the apparatus-side receiving unit and the position specifying information satisfies a predetermined second condition To send the provision information,
The information provision system according to any one of claims 1 to 3. The position specifying information acquisition unit calculates the position specifying information based on a positioning radio wave received from a GPS satellite;
The information providing system according to any one of claims 1 to 4. A wireless communication device that wirelessly transmits the position specifying information to an area including a position where the ultrasonic generator is installed;
The position specifying information acquisition unit receives the position specifying information from the wireless communication device;
The information providing system according to any one of claims 1 to 4. The wireless communication device transmits the position specifying information in a range wider than a range in which the portable terminal can receive an ultrasonic signal generated by the ultrasonic generator;
The information providing system according to claim 6. An information providing system comprising an ultrasonic generator and a mobile terminal,
The ultrasonic generator has a signal generator that generates an ultrasonic signal on which distribution information is superimposed,
The portable terminal is
An ultrasonic signal receiving unit for receiving the ultrasonic signal;
An extraction unit for extracting the distribution information superimposed on the ultrasonic signal;
A position specifying information acquisition unit for acquiring position specifying information for specifying the position of the mobile terminal;
An acquisition unit that acquires provision information based on the distribution information when a relationship between the distribution information and the position specifying information satisfies a predetermined condition;
An information providing system. Generating an ultrasonic signal on which the distribution information is superimposed;
A portable terminal receiving the ultrasonic signal;
Obtaining position specifying information for specifying the position of the mobile terminal;
Extracting the delivery information superimposed on the ultrasound signal;
Obtaining the provision information generated based on the distribution information when the relationship between the distribution information extracted in the step of extracting the distribution information and the position specifying information satisfies a predetermined condition;
An information providing method comprising: An apparatus-side receiving unit that receives position specifying information indicating the position of the portable terminal and distribution information extracted by the portable terminal from an ultrasonic signal generated by the ultrasonic generator;
Based on the distribution information, an acquisition unit that acquires provision information to be provided to the mobile terminal;
When the relationship between the distribution information and the position specifying information satisfies a predetermined condition, a device-side transmission unit that transmits the provision information to the mobile terminal;
An information providing apparatus comprising: An ultrasonic signal receiving unit that receives an ultrasonic signal on which distribution information is superimposed;
An extraction unit for extracting the distribution information superimposed on the ultrasonic signal;
A position specifying information acquisition unit for acquiring position specifying information for specifying its own position;
A terminal-side transmitter that transmits the distribution information and the position specifying information to an information providing device;
A terminal-side receiving unit that receives provided information provided when a relationship between the distribution information and the position specifying information satisfies a predetermined condition from the information providing device;
A mobile terminal comprising: A computer installed in a mobile terminal
An extraction unit for extracting the distribution information superimposed on the ultrasonic signal on which the distribution information is superimposed;
A position specifying information acquisition unit for acquiring position specifying information for specifying its own position;
A terminal-side transmission unit that transmits the distribution information and the position specifying information to an information providing apparatus; and a provision provided from the information providing apparatus when a relationship between the distribution information and the position specifying information satisfies a predetermined condition An information acquisition program for functioning as a terminal-side receiving unit that receives information.