JP2004304395A - Portable terminal specifying system and method for confirming presence of portable terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system capable of personal identification through a portable terminal among all communicable portable terminals. <P>SOLUTION: There are provided an acoustic signal transceiver 30 for transmitting/receiving acoustic signals from a portable telephone 10, a portable telephone specifying part 40, and a calculation processor 50. The portable telephone specifying part 40 comprises an A/D converter 41, a signal processor 42, an acoustic signal generator 43, and a telephone 44 which is a communication terminal. The calculation processor 50 comprises a comparing part 51 and a judging part 52. The comparing part 51 compares/calculates with the inputs of the acoustic signal after signal process from the signal processor 42 and that from the acoustic signal generator 43, and inputs a correlation information in the judging part 52. The judging part 52 makes judgement based on the correlation information and generates an authentication information. The telephone 44 of the portable telephone specifying part 40 transmits/receives the authentication information and the acoustic signal from the portable telephone 10 to confirm presence of the portable telephone 10. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a case where a mobile phone as a mobile terminal is used to make a parking reservation of a vehicle in a parking lot, a case of making an entrance reservation to a facility, or a case of making a reservation for purchasing an item. To confirm that the vehicle or person carrying the mobile terminal does exist at the specified location by confirming the existence of the mobile terminal at the specified location where And a method for confirming the existence of the mobile terminal.
[0002]
[Prior art]
The “item reservation sales system” described in Patent Literature 1 discloses a method for making a purchase reservation of an item using a mobile terminal, and also confirming that the user who came to use the item is the person who made the reservation. There is a description that confirmation is performed by authenticating stored predetermined information. Specifically, upon completion of the reservation, predetermined information such as the reservation number sent from the reservation destination is displayed on the terminal with a barcode display or the like, and the display is read by the scanner of the confirmation device of the reservation destination, Identity verification is performed.
[0003]
In addition, there is a method of confirming by transmitting identification information such as a reservation number to a confirmation device by infrared communication means or the like provided in the portable terminal. Specific examples in which these technologies can be used include, for example, attendance management, performance at other stores, confirmation of visits, patrols such as patrols, and the like.
[0004]
[Patent Document 1]
JP-A-2002-215986
In the system described in Patent Literature 1, various processes (hereinafter, referred to as target processes) performed at different dates and times and places, such as in a case where an item purchase reservation is divided into a plurality of times, are performed. In a system executed by communication of a mobile phone, there is a case where a condition for executing the same mobile phone is used as means for confirming the identity of the executor. At that time, in order to specify the mobile phone, the number of the mobile phone that executed the target process is stored, and thereafter, if the mobile phone number is the same, it is determined that the process is performed by the same person. Further, in order to finally identify the mobile phone that has performed the target processing, some sort of ID that can be easily taken out is transmitted to the target mobile phone, and after that, the ID is read by a reading device installed at a specific position. , The telephone is specified, and the owner is recognized as the executor of the target process.
[0006]
For example, a two-dimensional barcode, infrared communication data, or the like is transmitted to a mobile phone that has performed a reservation process in advance by a reservation system using a mobile phone. When the reservation person executes (enters, etc.) the reservation contents at a predetermined position (for example, various facilities), the reservation person sends the received contents to a recognition device having a CCD, an infrared communication sensor, or the like.
[0007]
[Problems to be solved by the invention]
However, not all models have a two-dimensional barcode display function and an infrared display function, so the reservation system restricts compatible models or requires a plurality of recognition devices. Therefore, there is a need for a method and an apparatus for specifying a mobile phone that can be commonly used by all mobile phones that can communicate normally.
[0008]
In order to carry out the above method, it is said that mobile terminals are limited to models with special specifications or special software must be installed, so it is necessary to create a system for all terminals Can not. Also, when displaying information such as a reservation number on a terminal in a barcode, the barcode can be forged, and there is no guarantee that the identity is sufficiently confirmed.
[0009]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a system that targets all mobile terminals that can make a call and that allows the user to be identified through the mobile terminals. .
[0010]
[Means for Solving the Problems]
(1) In order to achieve the above object, a portable terminal identification system according to the present invention is a portable terminal existence confirmation system for confirming that a portable terminal is present in a specific place, as described in claim 1 above. A mobile terminal having a calling function and a mobile terminal specifying unit having a calling function, wherein the mobile terminal specifying unit generates an audio signal that is an audio signal of a predetermined frequency to the mobile terminal in a calling state. Sound signal generating means for transmitting a sound signal generated by the sound signal generating means, and transmitting and receiving a sound signal transmitted from the sound signal generating means and a sound signal of the portable terminal. Means, and the sound signal received by the sound signal transmitting and receiving means and the sound signal sent by the sound signal transmitting means are compared to determine a match / mismatch, and the portable terminal is located at a specific location. Sound comparing means for judging the presence of the sound.
[0011]
(2) Further, the portable terminal specifying system according to the present invention is characterized in that the acoustic signal transmitting / receiving means is installed at a specific place and the presence of the mobile terminal at the specific place is confirmed. Things.
[0012]
(3) In the portable terminal identification system according to the present invention, as described in the third aspect, the acoustic signal transmitting means is a telephone terminal having a call function.
[0013]
(4) Further, in the portable terminal specifying system according to the present invention, as described in claim 4, the acoustic signal transmitting means is an acoustic signal generator of the portable terminal specifying unit. is there.
[0014]
(5) The portable terminal identification system according to the present invention is characterized in that, as described in the fifth aspect, the acoustic signal transmitted from the acoustic signal generator is changed randomly at any time. .
[0015]
(6) Further, the method for confirming the presence of a portable terminal according to the present invention is a method for confirming the presence of a portable terminal in a specific place as described in claim 6, wherein the method for identifying a portable terminal connectable to the portable terminal is provided. A call state is established between the mobile terminal and the mobile terminal, a predetermined sound signal is transmitted from the mobile terminal specifying unit to the mobile terminal, and the sound signal transmitted from the mobile terminal specifying unit and the mobile terminal emits a predetermined sound signal. The received acoustic signal is received by the acoustic signal transceiver, the acoustic signal received by the acoustic signal transceiver is compared with the acoustic signal sent from the portable terminal identification unit, to determine the match or mismatch, if the match It is characterized in that the portable terminal is confirmed to be present in the specified place.
[0016]
According to the means described in the above (1) to (6), a telephone capable of transmitting / receiving and recognizing the telephone number of the calling terminal, an arithmetic device such as a CPU, a signal processing unit, and a storage device such as a memory are provided. An audio signal generator capable of transmitting a specific audio signal at random, and a mobile terminal specifying unit configured by an audio signal transceiver arranged at an arbitrary position, for specifying the position information of the target process executor, In the vicinity of the sound signal transceiver arranged at an arbitrary position, the sound transmitted from the mobile phone owned by the target process executor and the mobile terminal identification unit is received by the sound signal transceiver via the speaker of the mobile phone, By comparing the sound signal with its own transmitted sound signal, and when it is estimated that the sound signal is the same, it can be determined that the target processing executor is present near the sound signal receiver.
[0017]
As a means for specifying a mobile phone, a mobile phone including a telephone capable of transmitting and receiving and recognizing the telephone number of a calling terminal and an arithmetic storage function such as a computer, and an audio signal generator capable of transmitting an arbitrary audio signal at random. The phone specific part is fixedly installed. In addition, an acoustic signal transmitter / receiver including a microphone and an amplifier and capable of transmitting a signal to a portable terminal specifying unit by wire or wirelessly is installed at at least one or more arbitrary positions. In the case of the reservation system, it is convenient to install the acoustic signal transceiver at the entrance of a facility or the like that executes the contents of the reservation.
[0018]
As a method of specifying a mobile phone, a target person who wishes to make a reservation can access the mobile phone site owned by the target service provider or make a direct call to the service provider to obtain their mobile phone number. By notifying the possessed portable terminal identification unit, the reservation system of the service providing organization is configured so that a series of processing is permitted.
[0019]
The mobile terminal identification unit searches for the reservation information from the incoming telephone number, checks the reservation contents, and if the current date and time match the reservation contents, confirms that the target person is near the acoustic signal transceiver. Then, the user is prompted to bring the earpiece of the mobile phone close to the microphone of the audio signal transmitter / receiver, and the audio signal generator transmits an audio signal at random.
[0020]
The acoustic signal transmitted from the portable terminal specifying unit is transmitted as a sound from a speaker built in the earpiece of the mobile phone, and the sound is received by the acoustic signal transceiver and transmitted to the portable terminal specifying unit.
[0021]
In addition, the mobile terminal identification unit analyzes the acoustic signal sent from the acoustic signal transceiver by signal processing such as FFT or cross-correlation function, compares the acoustic signal with its own transmitted acoustic signal, and compares the transmitted acoustic signal with its own. When it is estimated, it is determined that the mobile phone owned by the target person is near the specific acoustic signal transceiver, so that the target person is also determined to be at the same position.
[0022]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a mobile terminal identification system according to an embodiment of the present invention will be described with reference to the drawings.
[0023]
FIG. 1 is a block diagram showing a configuration of a mobile terminal identification system according to an embodiment of the present invention. In FIG. 1, reference numeral 10 denotes a mobile phone which is a mobile terminal carried by a user, and reference numeral 20 denotes a communication network of the mobile phone. A certain mobile base station, 30 is an acoustic signal transmitter / receiver to be installed in a specific place, and a mobile phone specifying unit (mobile terminal specifying unit) 40 generally specifies the mobile phone 10 carried by a user; Reference numeral 60 denotes an external device as a facility device such as a reserved parking lot or a reserved facility.
[0024]
The mobile phone 10 has at least one of an e-mail transmission / reception function, an information database function, and an Internet access function, and has a data display section, a data input / output section, a data input / output section by voice, and a data mail transmission / reception section. ing. That is, the mobile phone 10 includes an antenna, a transmission / reception control unit (RF control unit), an analog control unit, a microphone serving as an audio input unit, a speaker serving as an audio output unit, a microcomputer, a memory, a display control unit (LCD controller), and an input / output. Unit (I / O unit), a display unit (LCD), and a key operation unit.
[0025]
The transmission / reception control unit controls information communication with the mobile phone identification unit 40 via the antenna. The analog control unit drives and controls the microphone and the speaker based on the analog signal. The acoustic signal transceiver 30 also has a microphone and a speaker. The user transmits and receives an acoustic signal to and from the acoustic signal transceiver 30 via the mobile phone 10. A mobile phone identification unit 40 provided in a management center or the like includes an A / D converter 41, a signal processing unit 42, an audio signal generation unit 43 of a predetermined frequency, a telephone 44 as a communication terminal, and an arithmetic processing unit 50. Become. Note that the arithmetic processing unit 50 may be arranged outside the mobile phone identification unit 40.
[0026]
The A / D converter 41 converts an analog audio signal received by the audio signal transceiver 30 into a digital audio signal. The signal processing unit 42 performs processing such as noise removal on the digital audio signal using a signal filter, and inputs the audio signal after the signal processing to the arithmetic processing unit 50. The sound signal generator 43 converts an analog sound signal into a digital sound signal and inputs the digital sound signal to the arithmetic processing unit 50.
[0027]
The arithmetic processing unit 50 includes a comparison unit 51 and a determination unit 52. The comparison unit 51 compares the sound signal from the signal processing unit 42 with the sound signal from the sound signal generator 43, and performs fast Fourier transform processing or transmission. Processing such as calculation of a cross-correlation function based on signals and received signals is performed. The determination unit 52 performs a determination process based on the correlation information from the comparison unit 51, inputs authentication information to the telephone 44, and inputs a control command to the external device 60. The telephone 44 receives the authentication information and the acoustic signal from the determination unit 52, and transmits and receives the authentication information and the acoustic signal to and from the user's mobile phone 10 via the mobile base station 20. The external device 60 includes a reserved parking lot, an item reservation, and the like.
[0028]
According to the mobile terminal identification system having the above configuration, as described above, the mobile terminal identification system is configured by the user's mobile phone 10, the acoustic signal transceiver 30 arranged at an arbitrary position, the mobile phone identification unit 40, and the external device 60. You. The mobile phone identification unit 40 includes an A / D converter 41, a signal processing unit 42, an audio signal generator 43 capable of transmitting a specific audio signal at random, and a telephone of the mobile phone 10 which is a transmission / reception terminal capable of transmitting and receiving. It comprises a telephone 44 capable of recognizing a number and an arithmetic processing unit 50 such as a CPU having a storage device such as a memory.
[0029]
In order to specify the position information of the target process executor, a communication state is established between the mobile phone 10 owned by the target process executor and the mobile phone specifying unit 40 in the vicinity of the acoustic signal transceiver 30 arranged at an arbitrary position. The acoustic signal of a predetermined frequency transmitted from the acoustic signal generator 43 of the mobile phone identification unit 40 is received by the audio signal transceiver 30 via the speaker of the mobile phone 10, and the audio signal transmitted by the mobile phone identification unit 40 itself and When it is estimated that the acoustic signal received by the acoustic signal transceiver 30 and the acoustic signal of the mobile phone identification unit 40 are the same, it is determined that the target process executor is present near the acoustic signal transceiver 30. .
[0030]
The sound signal transmitted from the sound signal generator 43 is changed every time or at any time at random to enhance safety and reliability. Also, transmitting a DTMF signal that facilitates acoustic analysis is an effective means for increasing the recognition rate. For example, a mobile phone may be used as an employment management device for employees who move between stores, but this is effective as a means for detecting the location and temporal presence. In addition, as the telephone 44 as the acoustic signal transmitter / receiver, an existing fixed telephone set in a store can be used.
[0031]
As a means for specifying the mobile phone 10, a telephone 44 capable of transmitting and receiving and recognizing the telephone number of the other party's calling terminal, an arithmetic storage function such as a computer, and an audio signal generator 43 capable of transmitting an arbitrary audio signal at random. Is fixedly installed. Further, an acoustic signal transmitter / receiver 30 having a microphone and an amplifier and capable of transmitting / receiving an acoustic signal to / from the mobile phone specifying unit 40 by wire or wirelessly is installed at at least one or more arbitrary positions. In the case of the reservation system, it is convenient to set the grounding location of the acoustic signal transceiver 30 at the entrance of a facility or the like that executes the reservation contents.
[0032]
Next, as a method for specifying a mobile phone, a target person who wishes to make a reservation, for example, accesses a mobile phone site owned by a target service provider or makes a direct telephone call to make a telephone number of his mobile phone 10. Is notified to the mobile phone specifying unit 40 held by the service providing organization, so that the service providing organization's reservation system is configured so that a series of processing is permitted. The service provider's reservation system grasps the series of input contents of the target person, stores the contents of the reservation together with the mobile phone number if possible, and repeats the contents and performs the operation at the time of execution of the reservation contents The target person is notified of the method by e-mail or voice call.
[0033]
In order for the subject to execute the reservation content, first, in the vicinity of the acoustic signal transmitter / receiver 30 arranged at a predetermined position, the mobile phone 10 is used, and the service provider or a mobile phone owned by the service provider is used. A telephone call is directly made to the telephone specifying unit 40 to establish a communication state with the mobile telephone specifying unit 40.
[0034]
The mobile phone identification unit 40 searches for the reservation information from the incoming telephone number, confirms the reservation content, and when the current date and time match the reservation content, confirms that the subject is in the vicinity of the acoustic signal transceiver 30. Then, the user is prompted to bring the earpiece of the mobile phone 10 close to the microphone of the audio signal transmitter / receiver 30, and the audio signal generator 43 transmits an audio signal at random.
[0035]
The acoustic signal transmitted from the mobile phone specifying unit 40 is transmitted as a sound 11 from a speaker built in the earpiece of the mobile phone 10, and the sound is received by the acoustic signal transceiver 30 and transmitted to the mobile phone specifying unit 40. Is done.
[0036]
The mobile phone identification unit 40 analyzes the acoustic signal sent from the acoustic signal transceiver 30 by signal processing such as FFT (Fast Fourier Transform) or a cross-correlation function, compares it with the acoustic signal transmitted by itself, and Is determined to be the acoustic signal transmitted by the target person, it is determined that the mobile phone 10 held by the target person is present in the vicinity of the specific acoustic signal transceiver 30, so that the target person is also determined to be at the same position.
[0037]
FIG. 2 shows a processing flow of the authentication operation of the mobile phone identification unit 40. In step S1, the user's mobile phone 10 and mobile phone identification unit 40 are placed in a call state. In step S <b> 2, the mobile phone identification unit 40 makes an announcement to the mobile phone 10 via the telephone 44 so that the earpiece is close to the microphone of the acoustic signal transceiver 30. Next, the process proceeds to step S3, where an acoustic signal is transmitted from the acoustic signal generator 43 of the cellular phone identification unit 40 to the cellular phone 10 via the telephone 44. In step S <b> 4, the comparison unit 51 of the arithmetic processing unit 50 compares the sound signal received from the microphone of the sound signal transceiver 30 with the sound signal from the sound signal generator 43. In step S5, the determination unit 52 of the arithmetic processing unit 50 determines whether or not the acoustic signal received by the acoustic signal transceiver 30 is the same as the acoustic signal from the acoustic signal generator 43, that is, the transmitted signal system is the same. It is determined whether the signal is a system signal. If they are the same signal system, the process proceeds to step S6, where the determination unit 52 of the arithmetic processing unit 50 authenticates the mobile phone 10 and announces that the mobile phone 10 has been authenticated in step S7. Thereafter, in step S8, the communication line is disconnected, and the arithmetic processing unit 50 performs various processes.
[0038]
If it is not the same signal system in the above step S5, the mobile phone 10 is not authenticated, the fact that it is not authenticated is announced in step S10, the communication line is disconnected in step S11, and the operation is ended.
[0039]
FIG. 3 shows an operation flow for executing a reservation operation, for example. In step S12, the user calls the reservation device as the external device 60 with the mobile phone 10. In step S13, the reservation device starts reservation processing, and in step S14, the user inputs reservation contents. Next, proceeding to step S15, the reservation device determines whether or not to accept a reservation. If it is determined that the reservation is to be accepted, the process proceeds to step S16, where the reservation device stores the telephone number of the user's mobile phone, and in step S17, the reservation device transmits a reservation confirmation to the user's mobile phone 10 and ends the operation. . If it is determined in step S15 that the reservation cannot be accepted, it is determined in step S18 whether the content of the reservation has been changed. If it is determined that the reservation has been changed, the operations of steps S14 to S15 are repeated. If it is determined in step S18 that the reservation has not been changed, the line is disconnected and the operation ends.
[0040]
【The invention's effect】
As described above, according to the present invention, it is estimated that the target mobile phone is present near the audio signal transceiver by re-receiving the audio signal transmitted by the mobile phone identification unit itself using the audio signal. In order to confirm the position of the person to be processed, some media are currently used as recognition items in various processes using mobile phones, but mobile phone companies and models are limited. ing. According to the present invention, a recognition item for specifying a mobile phone common to all mobile phones can be created. In addition, by using a mobile terminal that is not a special specification and has a normal call function, it is possible to recognize the presence of the mobile terminal at a specific place, and by checking the mobile terminal, It is possible to confirm the person who carries it as the target person.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a schematic configuration of a portable terminal identification system according to an embodiment of the present invention.
FIG. 2 is a flowchart of an authentication operation in the mobile terminal identification system according to the embodiment of the present invention.
FIG. 3 is an operation flowchart of a reservation operation in the portable terminal identification system according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Mobile telephone 20 which is a mobile terminal part Mobile base station 30 which is a communication network of a mobile telephone Acoustic signal transmitter / receiver 40 Mobile telephone specification part 42 which is a mobile terminal specification part Signal processing part 43 Acoustic signal generator 44 Telephone which is a communication terminal 60 External equipment

Claims (6)

A mobile terminal presence confirmation system for confirming that a mobile terminal is present at a specific location, comprising a mobile terminal having a call function, and a mobile terminal identification unit having a call function,
The mobile terminal identification unit,
Sound signal generating means for generating a sound signal that is a sound signal of a predetermined frequency for a mobile terminal in a call state;
Sound signal transmitting means for transmitting the sound signal generated by the sound signal generating means,
Sound signal transmitting and receiving means for receiving the sound signal transmitted from the sound signal generating means,
A sound comparison that compares the sound signal received by the sound signal transmitting and receiving means with the sound signal sent by the sound signal transmitting means to determine a match / mismatch thereof and determine the presence of the mobile terminal at a specific location. Means for identifying a mobile terminal. The mobile terminal identification system according to claim 1, wherein the acoustic signal transmitting / receiving means is installed at a specific location, and the presence of the mobile terminal at the specific location is confirmed. 3. The portable terminal identification system according to claim 1, wherein the acoustic signal transmitting unit is a telephone terminal having a call function. The mobile terminal identification system according to claim 1, wherein the audio signal transmission unit is an audio signal generator of the mobile terminal identification unit. The mobile terminal identification system according to claim 1, wherein the audio signal transmitted from the audio signal generator is changed randomly at any time. A method to check for the presence of a mobile device in a specific location,
Make a call between the mobile device identification unit that can be connected to the mobile device and the mobile device,
A predetermined acoustic signal is transmitted from the mobile terminal identification unit to the mobile terminal,
An acoustic signal sent from the portable terminal identification unit and an acoustic signal emitted from the portable terminal are received by an acoustic signal transceiver,
The sound signal received by the sound signal transceiver is compared with the sound signal sent from the portable terminal specifying unit to determine a match or non-match, and if they match, the portable terminal is present at the specified place. A method for confirming the presence of a mobile terminal at a specific place, wherein

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