JP2015075951A - Boarding confirmation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a boarding confirmation system which can perform boarding confirmation on a vehicle side, with simple system configuration.SOLUTION: A boarding confirmation system 1 comprises: an on-vehicle device 10 mounted on a vehicle 30; a plurality of on-vehicle transmission antennas 16 connected with the on-vehicle device 10; an on-vehicle reception antenna 17 connected with the on-vehicle device 10; and a portable device 20 carried by a passenger 40. The on-vehicle device 10 wirelessly transmits first signals to the portable device 20 by using the plurality of on-vehicle transmission antennas 16. The portable device 20 receives the first signals wirelessly transmitted from the plurality of on-vehicle transmission antennas 16, and wirelessly transmits second signals including signal strength information about reception signal strength of the first signals, to the on-vehicle reception antenna 17. The on-vehicle device 10 calculates a position of the portable device 20 on the basis of the signal strength information included in the second signals received by the on-vehicle reception antenna 17, and performs boarding confirmation of the passenger 40 on the basis of the calculated position of the portable device 20.

Description

  The present invention relates to a boarding confirmation system, and more particularly to a boarding confirmation system for a vehicle on which a plurality of passengers board.

  In recent years, a system using a prepaid IC boarding ticket has become widespread as a boarding confirmation system for vehicles such as trains and buses on which a plurality of passengers board. In such a boarding confirmation system, it is possible to pass through the ticket gate without purchasing a ticket every time, and the convenience of passengers is improved. However, when passing through the ticket gate, the IC ticket is taken out from the bag or the like. It is necessary to hold it over the ticket gate, and further improvements in convenience are desired. As a technology related to the improvement of convenience, a boarding confirmation system 200 (boarding fee billing device) according to Patent Document 1, a boarding confirmation system 300 (train seat status display system) according to Patent Document 2, and the like have been proposed. FIG. 6 is an explanatory diagram showing the configuration of the boarding confirmation system 200 according to Patent Document 1. As shown in FIG. FIG. 7 is an explanatory diagram showing a configuration of the boarding confirmation system 300 according to Patent Document 2. As shown in FIG.

  As shown in FIG. 6, the boarding confirmation system 200 includes a mobile phone 201 having a transmission / reception unit 202, a transmission / reception device 203 provided at the ticket gate 207, and a control unit 204 that controls opening and closing of the gate 206 of the ticket gate 207. And a central processing unit 205 that manages personal information of the mobile phone 201 and passage information of the ticket gate 207.

  The mobile phone 201 is carried by a user (passenger). The transmission / reception unit 202 of the mobile phone 201 and the transmission / reception device 203 of the ticket gate 207 can perform wireless communication. Then, when the user passes through the ticket gate 207, the transmission / reception device 203 acquires the personal information of the mobile phone 201 using wireless communication between the transmission / reception unit 202 and the transmission / reception device 203, and the acquired mobile phone 201 Personal information and passing information of the ticket gate 207 are transmitted to the central processing unit 205. The transmission / reception device 203 transmits station name information to the mobile phone 201 and stores it in the memory of the mobile phone 201.

  Based on the data transmitted from the transmission / reception device 203, the central processing unit 205 causes the control unit 204 to open and close the gate 206 of the ticket gate 207, calculate a boarding fee, and use the fee charging system of the mobile phone 201 to board the vehicle. You are charged a fee. In this way, in the boarding confirmation system 200, when the user passes through the ticket gate 207, boarding confirmation is performed using wireless communication between the transmission / reception unit 202 and the transmission / reception device 203.

  As shown in FIG. 7, the boarding confirmation system 300 communicates with a reader 312, a seating sensor 313, an indicator lamp 314 disposed in each seat 310 of the vehicle, and a communication relay device 321 disposed in each block 320 of the vehicle. And a display panel 341 disposed in the conductor compartment 340. The passenger sits on the seat 310 with the non-contact IC card 301 in a clothing pocket or bag.

  The seating sensor 313 detects the seating of the passenger on the seat 310. The reader 312 reads information such as a boarding section from a non-contact IC card 301 held by a seated passenger using low-power wireless communication. The communication control device 330 obtains the information read by the reader 312 via the communication relay device 321, confirms boarding based on the obtained information, and displays the information on the display lamp 314 and the display panel 341 as necessary. I am giving instructions.

  The indicator lamp 314 transmits the getting-off schedule etc. to the passenger according to the instruction of the communication control device 330. The display panel 341 displays information such as vacant seat information in accordance with instructions from the communication control device 330. In this way, the boarding confirmation system 300 confirms boarding by placing the reader 312 and the seating sensor 313 on each seat 310 of the vehicle.

JP 2011-154695 A JP 2003-44558 A

  The boarding confirmation system 200 according to Patent Document 1 is an effective system in a transportation system such as a railway having a station facility where a ticket gate is installed, but does not check boarding on the vehicle side. It is not suitable for transportation such as buses where passengers get on without passing. On the other hand, the boarding confirmation system 300 according to Patent Document 2 can be used in transportation such as a bus because the reader 312 and the seating sensor 313 are arranged in each seat 310 of the vehicle. However, in such a system, the reader 312 and the seating sensor 313 must be arranged in all the seats 310 in order to make the reader 312 and the non-contact IC card 301 correspond one-to-one. Therefore, many readers 312 are required, and the system configuration becomes complicated. Such a problem becomes particularly noticeable in a vehicle that accommodates many passengers such as trains and buses.

  The present invention has been made in view of the actual situation of the prior art, and an object of the present invention is to provide a boarding confirmation system capable of performing boarding confirmation on the vehicle side and having a simple system configuration. is there.

  In order to solve this problem, the boarding confirmation system according to claim 1 is a boarding confirmation system for performing boarding confirmation of the passenger in a vehicle on which a plurality of passengers board, and is mounted on the vehicle. A plurality of vehicle-mounted transmission antennas connected to the vehicle-mounted device, a vehicle-mounted reception antenna connected to the vehicle-mounted device, and a portable device capable of wireless communication with the vehicle-mounted device and held by the passenger, The vehicle-mounted device wirelessly transmits a first signal to the portable device using a plurality of the vehicle-mounted transmission antennas, and the portable device receives first signals wirelessly transmitted from the plurality of vehicle-mounted transmission antennas, A second signal including signal strength information related to the received signal strength of one signal is wirelessly transmitted to the in-vehicle receiving antenna, and the in-vehicle device receives the signal included in the second signal received using the in-vehicle receiving antenna. Based on the intensity information, wherein calculating a position of the portable apparatus, based on the calculated position of said portable device, and performs boarding confirmation of the passenger.

  In the boarding confirmation system of this configuration, the position of the portable device is calculated based on the distance between the portable device and the plurality of in-vehicle transmission antennas, and the passenger confirmation of the passenger holding the portable device is confirmed based on the calculated position of the portable device. Is going. Therefore, in the boarding confirmation system, boarding confirmation can be performed on the vehicle side, and facilities such as ticket gates are not required. Moreover, in the boarding confirmation system with this configuration, the position of the portable device is calculated based on the distance between the portable device and the plurality of in-vehicle transmission antennas, and the passengers who hold the portable device are boarded based on the calculated position of the portable device. Since the confirmation is performed, there is no need to make the portable device and the in-vehicle transmission antenna correspond one-to-one. Therefore, the number of in-vehicle transmission antennas can be reduced, and the system configuration can be simplified.

  The boarding confirmation system according to claim 2, wherein the first signal is a radio signal having an LF band frequency, and the first signal identifies the in-vehicle transmission antenna that wirelessly transmits the first signal. The second signal is a radio signal having a frequency in the UHF band, and the second signal is used to identify the portable device that wirelessly transmits the second signal. The second identification information is included.

  In the boarding confirmation system having this configuration, the first signal is a signal having a frequency in the LF band. Since the received signal strength of the radio signal having the frequency in the LF band changes uniformly with respect to the change in distance, it is easy to calculate the distance between the portable device and the vehicle-mounted transmitting antenna based on the received signal strength. The second signal is a UHF band frequency signal. A radio signal having a frequency in the UHF band can be easily modulated, and the amount of information that can be transmitted can be increased. Therefore, it is suitable when the boarding confirmation system is used for a vehicle on which many passengers board.

  In the boarding confirmation system according to claim 3, the first signal includes first identification information for identifying the in-vehicle transmission antenna that wirelessly transmits the first signal, and the second signal includes Includes second identification information for identifying the portable device that wirelessly transmits the second signal.

  In the boarding confirmation system with this configuration, since the first signal includes the first identification information for identifying the in-vehicle transmission antenna that wirelessly transmits the first signal, the first signal is received from the plurality of in-vehicle transmission antennas. Even when wirelessly transmitted, the distance from the portable device can be calculated for each on-vehicle transmission antenna. In addition, since the second signal includes second identification information for identifying the portable device that wirelessly transmits the second signal, even if the second signal is wirelessly transmitted from a plurality of portable devices, The position can be calculated for each machine.

  5. The boarding confirmation system according to claim 4, wherein the vehicle-mounted device calculates the position of the portable device based on the signal strength information included in the second signal received using the vehicle-mounted receiving antenna. The seating position of the passenger is specified based on the position of the portable device.

  In the boarding confirmation system with this configuration, the vehicle-mounted device can specify not only the passenger boarding confirmation but also the seating position of the passenger, so that even if the fare varies depending on the seat, the fare can be charged correctly. In addition, in the boarding confirmation system with this configuration, the seating position of the passenger can be specified without having the vehicle-mounted transmission antenna and the portable device correspond one-to-one, so the number of vehicle-mounted transmissions can be reduced.

  According to the present invention, it is possible to provide a boarding confirmation system that can perform boarding confirmation on the vehicle side and has a simple system configuration.

It is explanatory drawing which shows the structure of the boarding confirmation system 1 which concerns on 1st Embodiment of this invention. It is a block diagram which shows the structure of the onboard equipment 10 shown in FIG. It is a block diagram which shows the structure of the portable device 20 shown in FIG. It is explanatory drawing regarding the boarding confirmation method which concerns on embodiment of this invention. It is explanatory drawing which shows the structure of the boarding confirmation system 1 which concerns on 2nd Embodiment of this invention. It is explanatory drawing which shows the structure of the boarding confirmation system 200 which concerns on patent document 1. FIG. It is explanatory drawing which shows the structure of the boarding confirmation system 300 which concerns on patent document 2. FIG.

[First Embodiment]
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In each drawing, the description will be made with the X1 direction as the left direction, the X2 direction as the right direction, the Y1 direction as the front, and the Y2 direction as the rear.

  First, the configuration of the boarding confirmation system 1 according to the present embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is an explanatory diagram showing a configuration of a boarding confirmation system 1 according to the first embodiment of the present invention. FIG. 2 is a block diagram showing a configuration of the vehicle-mounted device 10 shown in FIG. FIG. 3 is a block diagram showing a configuration of the portable device 20 shown in FIG.

  As shown in FIG. 1, the boarding confirmation system 1 is used by being mounted on a vehicle 30 such as a train or a bus on which a plurality of passengers 40 get on. The boarding confirmation system 1 includes a vehicle-mounted device 10 mounted on a vehicle 30, a plurality of vehicle-mounted transmission antennas 16 connected to the vehicle-mounted device 10, a vehicle-mounted receiving antenna 17 connected to the vehicle-mounted device 10, a vehicle-mounted device 10 and a wireless device. And a portable device 20 capable of communication. The plurality of in-vehicle transmission antennas 16 are respectively disposed at predetermined positions on the left and right walls inside the vehicle 30. The in-vehicle receiving antenna 17 is disposed on the front wall inside the vehicle 30. The portable device 20 is held by a passenger 40 of the vehicle 30.

  As shown in FIG. 2, the vehicle-mounted device 10 includes a first transmission unit 11, a first reception unit 12, a calculation unit 13, a determination unit 14, and a first control unit 15.

  The first transmission unit 11 wirelessly transmits a first signal, which is an LF band radio signal, to the portable device 20 using a plurality of in-vehicle transmission antennas 16. The first signal is a signal for calculating the distance between the portable device 20 and the in-vehicle transmission antenna 16. The first signal includes first identification information for identifying the in-vehicle transmission antenna 16 that wirelessly transmits the first signal as an AM modulation component.

  The first receiving unit 12 receives a second signal, which is a radio signal in the UHF band that is wirelessly transmitted from the portable device 20, using the in-vehicle reception antenna 17. The second signal includes second identification information for identifying the portable device 20 that wirelessly transmits the second signal, and signal strength information regarding the received signal strength (RSSI) of the first signal received by the portable device 20. It is included as an FM modulation component. First identification information for identifying the vehicle-mounted transmitting antenna 16 that wirelessly transmits the first signal is added to the signal strength information. The first receiving unit 12 detects the second identification information and the signal strength information from the received second signal, and transmits the detected information to the calculation unit 13.

  The calculation unit 13 calculates the distance between the portable device 20 and the in-vehicle transmission antenna 16 based on the second identification information and the signal strength information transmitted from the first reception unit 12. Then, the calculation unit 13 calculates the relative position of the portable device 20 with respect to the vehicle 30 based on the distance between the portable device 20 and the plurality of in-vehicle transmission antennas 16. The determination unit 14 determines whether or not the passenger 40 holding the portable device 20 gets on the vehicle 30 and gets off the vehicle 30 based on the relative position of the portable device 20 to the vehicle 30 calculated by the calculation unit 13. Judgment is made. Hereinafter, the relative position of the portable device 20 with respect to the vehicle 30 is abbreviated as the position of the portable device 20. The determination of whether or not the passenger 40 holding the portable device 20 gets on the vehicle 30 and whether or not the passenger 40 gets off the vehicle 30 is abbreviated as boarding confirmation.

  The first control unit 15 controls the first transmission unit 11, the first reception unit 12, the calculation unit 13, and the determination unit 14. The first control unit 15 is connected to the charging system of the vehicle 30 by communication means (not shown) so that a predetermined charging can be made to the passenger 40 who has boarded the vehicle 30.

  As shown in FIG. 3, the portable device 20 includes a second reception unit 21, a second transmission unit 22, a signal strength detection unit 23, a second control unit 24, a built-in reception antenna 25, and a built-in transmission antenna 26. Yes.

  The second receiving unit 21 receives the first signal wirelessly transmitted from the in-vehicle transmitting antenna 16 using the built-in receiving antenna 25. As described above, the first signal includes the first identification information for identifying the in-vehicle transmission antenna 16 that wirelessly transmits the first signal as an AM modulation component.

  The second transmission unit 22 wirelessly transmits the second signal to the in-vehicle reception antenna 17 using the built-in transmission antenna 26. As described above, the second signal includes the second identification information for identifying the portable device 20 that wirelessly transmits the second signal, and the signal strength information related to the received signal strength of the first signal received by the portable device 20. , Are included as FM modulation components.

  The signal strength detector 23 detects the received signal strength of the first signal received by the second receiver 21. When the 2nd receiving part 21 receives the 1st signal from a plurality of in-vehicle transmitting antennas 16, signal strength detecting part 23 is from which in-vehicle transmitting antenna 16 the 1st signal is based on the 1st discernment information contained in the 1st signal. It is discriminated whether it is transmitted wirelessly, and the received signal strength corresponding to each first signal is detected.

  The second control unit 24 controls the second reception unit 21, the second transmission unit 22, and the signal strength detection unit 23. The second control unit 24 generates signal strength information based on the received signal strength of the first signal detected by the signal strength detection unit 23, and the generated signal strength information is included in the received first signal. The first identification information is added. The generated signal strength information is wirelessly transmitted from the portable device 20 to the in-vehicle receiving antenna 17 as the FM modulation component of the second signal together with the second identification information.

  Next, a boarding confirmation method in the boarding confirmation system 1 will be described with reference to FIG. FIG. 4 is an explanatory diagram relating to a boarding confirmation method according to the embodiment of the present invention. FIG. 4A is an explanatory diagram showing a state before the passenger 40 gets on, and FIG. 4B is an explanatory diagram showing a state after the passenger 40 gets on the vehicle. In order to make the explanation easy to understand, the passenger 40 is assumed to move on a plane including the left-right direction and the front-rear direction, and the position in the up-down direction is ignored.

  As shown in FIG. 4, four in-vehicle transmission antennas 16 are arranged at the front portion of the vehicle 30. The four in-vehicle transmission antennas 16 include a first transmission antenna 16a disposed on the left front side of the vehicle 30, a second transmission antenna 16b disposed on the right front side, and a third transmission antenna 16c disposed on the left rear side. A fourth transmitting antenna 16d arranged on the right rear side.

  As shown in FIG. 4A, the passenger 40 before boarding is standing outside the vehicle 30 while holding the portable device 20. The position of the passenger 40 is the left side of the front part of the vehicle 30, and is the position behind the first transmission antenna 16a and the second transmission antenna 16b. And as shown in FIG.4 (b), the passenger 40 moves rightward and boards the vehicle 30 through the door which is not shown in figure.

  As described above, the portable device 20 receives the first signal wirelessly transmitted from the plurality of in-vehicle transmission antennas 16 and sends the second signal including the signal strength information related to the received signal strength of the first signal to the in-vehicle reception antenna 17. Wireless transmission. The vehicle-mounted device 10 calculates the position of the portable device 20 based on the signal strength information included in the second signal received using the vehicle-mounted receiving antenna 17, and based on the calculated position of the portable device 20, the passenger Checking 40 rides. In the boarding confirmation, when the position of the portable device 20 is outside the vehicle 30, the determination unit 14 of the vehicle-mounted device 10 determines that the passenger 40 is not on the vehicle 30, and the position of the portable device 20 is within the vehicle 30. If it is, it is determined that the passenger 40 has boarded.

  Since the received signal strength of the first signal varies uniformly according to the distance between the portable device 20 and the in-vehicle transmitting antenna 16, the distance between the portable device 20 and the in-vehicle transmitting antenna 16 from the received signal strength of the first signal. Can be calculated. In addition, since the signal strength information includes the first identification information for identifying the in-vehicle transmission antenna 16 that wirelessly transmits the first signal, the first signal is wirelessly transmitted from the plurality of in-vehicle transmission antennas 16. Even in this case, the in-vehicle transmission antenna 16 can be specified based on the first identification signal, and the distance from the portable device 20 can be calculated for each in-vehicle transmission antenna 16. Further, since the second signal includes second identification information for identifying the portable device 20 that wirelessly transmits the second signal, even when the second signal is wirelessly transmitted from the plurality of portable devices 20. The portable device 20 can be specified based on the second identification signal, and the position can be calculated for each portable device 20.

  Since the method of calculating the position of the point moving on the plane using the distances from a plurality of points fixed on the plane is well known, detailed description is omitted, but for example, as shown in FIG. Is located behind the first transmission antenna 16a and the second transmission antenna 16b, the distance d1 between the portable device 20 and the first transmission antenna 16a, and the portable device 20 and the second transmission antenna 16b. The position of the portable device 20 can be uniquely calculated from the distance d2. Then, based on the calculated position of the portable device 20, it is determined whether the portable device 20 is outside the vehicle 30 as shown in FIG. 4A or inside the vehicle 30 as shown in FIG. 4B. Judgment can be made.

  Whether the passenger 40 is located in front of or behind the first transmission antenna 16a and the second transmission antenna 16b depends on the distance d3 between the portable device 20 and the third transmission antenna 16c or the portable device 20 and the fourth. This can be determined using the distance d4 to the transmission antenna 16d. Although not shown in the drawing, the first transmission antenna 16a and the second transmission antenna 16b are not only located on the plane of the passenger 40 by using another in-vehicle transmission antenna 16 arranged at different heights. It is also possible to calculate the vertical position.

Next, the effect of this embodiment will be described. In the boarding confirmation system 1 of this embodiment,
The vehicle-mounted device 10 mounted on the vehicle 30, the plurality of vehicle-mounted transmitting antennas 16 connected to the vehicle-mounted device 10, the vehicle-mounted receiving antenna 17 connected to the vehicle-mounted device 10, and wireless communication with the vehicle-mounted device 10, and the passenger 40 Is held by the portable device 20. In the boarding confirmation system 1, the position of the portable device 20 is calculated based on the distance between the portable device 20 and the plurality of in-vehicle transmission antennas 16, and the portable device 20 is held based on the calculated position of the portable device 20. The boarding confirmation of the passenger 40 is performed. Therefore, in the boarding confirmation system 1, boarding confirmation can be performed on the vehicle 30 side, and a facility such as a ticket gate is not required. Such a boarding confirmation system 1 can also be used in a transportation system using a vehicle on which a passenger rides without passing through a ticket gate such as a bus.

  Moreover, in the boarding confirmation system 1 of the present embodiment, the position of the portable device 20 is calculated based on the distance between the portable device 20 and the plurality of in-vehicle transmission antennas 16, and the portable device is calculated based on the calculated position of the portable device 20. Since boarding confirmation of passenger 40 holding 20 is performed, it is not necessary to make portable machine 20 and in-vehicle transmission antenna 16 correspond one to one. Therefore, the number of in-vehicle transmission antennas 16 can be reduced. As a result, in the boarding confirmation system 1, the system configuration can be simplified.

  Further, in the boarding confirmation system 1 of the present embodiment, the first signal is a signal having a frequency in the LF band. Since the radio signal having the frequency of the LF band changes in the received signal intensity uniformly with respect to the change in the distance, it is easy to calculate the distance between the portable device 20 and the in-vehicle transmission antenna 16 based on the received signal intensity. The second signal is a UHF band frequency signal. Since a radio signal having a frequency in the UHF band can easily increase the change in frequency or phase with respect to the change in characteristics of the capacitive element of the resonance circuit, the modulation when performing FM modulation or the like is easy, and the amount of information that can be transmitted is reduced. Can do a lot. Therefore, it is suitable when the boarding confirmation system 1 is used for the vehicle 30 on which many passengers board.

  Moreover, in the boarding confirmation system 1 of this embodiment, since the 1st identification information for identifying the vehicle-mounted transmission antenna 16 which transmitted the 1st signal by radio | wireless is contained in the 1st signal, several vehicle-mounted transmission antennas Even when the first signal is wirelessly transmitted from 16, the vehicle-mounted transmission antenna 16 can be specified based on the first identification signal, and the distance from the portable device 20 can be calculated for each vehicle-mounted transmission antenna 16. Further, since the second signal includes second identification information for identifying the portable device 20 that wirelessly transmits the second signal, even when the second signal is wirelessly transmitted from the plurality of portable devices 20. The portable device 20 can be specified based on the second identification signal, and the position can be calculated for each portable device 20.

[Second Embodiment]
Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. In addition, in this embodiment, when it is the same structure as 1st Embodiment mentioned above, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  First, the configuration of the boarding confirmation system 101 according to the second embodiment of the present invention will be described with reference to FIG. FIG. 5 is an explanatory diagram showing the configuration of the boarding confirmation system 1 according to the second embodiment of the present invention.

  As shown in FIG. 5, the boarding confirmation system 101 is used by being mounted on a vehicle 130 such as a train or a bus on which a plurality of passengers 40 get on. The vehicle 130 is provided with a plurality of seats 131 on which passengers 40 of the vehicle 130 are seated. The boarding confirmation system 101 includes a vehicle-mounted device 10 disposed in the vehicle 130, a plurality of vehicle-mounted transmission antennas 16 connected to the vehicle-mounted device 10, a vehicle-mounted receiving antenna 17 connected to the vehicle-mounted device 10, and the vehicle-mounted device 10. And a portable device 20 capable of wireless communication.

  The plurality of in-vehicle transmission antennas 16 are respectively arranged at predetermined positions on the left and right walls inside the vehicle 130. The in-vehicle receiving antenna 17 is disposed on the front wall inside the vehicle 130. The portable device 20 is held by the passenger 40 of the vehicle 130. In addition, the structure of the onboard equipment 10 is the same as 1st Embodiment. The configuration of the portable device 20 is also the same as that in the first embodiment.

  In the boarding confirmation system 101, the position of the portable device 20 is calculated from the distance between the portable device 20 and the plurality of in-vehicle transmission antennas 16. And from the position of the portable device 20, it is specified which seat 131 the passenger 40 is seated on (hereinafter, abbreviated as the seating position of the passenger 40).

  Such a boarding confirmation system 101 is used, for example, for a vehicle such as an express train that varies in charge depending on the seat. The boarding confirmation system 101 is used, for example, when the seating position of the passenger 40 is specified and a fee corresponding to the specified seating position is charged.

  Next, the effect of this embodiment will be described. In the boarding confirmation system 101 of the present embodiment, the vehicle-mounted device 10 can specify not only the boarding confirmation of the passenger 40 but also the seating position of the passenger 40. Therefore, even when the price varies depending on the seat, the on-board device 10 can charge the fee correctly. . Moreover, in the boarding confirmation system 101, the seating position of the passenger 40 can be specified without having the portable device 20 and the in-vehicle transmission antenna 16 correspond one-to-one, so the number of in-vehicle transmission antennas 16 is reduced. Can do.

  As mentioned above, although embodiment of this invention has been described, this invention is not limited to said embodiment, In the range which does not deviate from the objective of this invention, it can change suitably.

  For example, in the first embodiment of the present invention, the number of in-vehicle transmission antennas 16 may be appropriately changed according to the standard of the vehicle 30. For example, if boarding confirmation is performed based on whether or not the passenger 40 has passed through the door of the vehicle 30, boarding confirmation may be performed using the two in-vehicle transmission antennas 16 disposed near the door. Further, when the vehicle 30 is a vehicle on which many passengers get on, the number of the in-vehicle transmission antennas 16 may be increased in order to improve the calculation accuracy of the position of the portable device 20. Further, the in-vehicle transmission antenna 16 may be arranged not on the wall of the vehicle 30 but on the ceiling, floor, or the like.

  In the first embodiment of the present invention, the number of in-vehicle receiving antennas 17 may be appropriately changed according to the standard of the vehicle 30. For example, when the vehicle 30 is a vehicle on which many passengers get on, a plurality of in-vehicle receiving antennas 17 may be arranged on the vehicle 30 so that the second signal from the portable device 20 can be easily received. The in-vehicle receiving antenna 17 may be arranged not on the wall of the vehicle 30 but on the ceiling, floor, or the like.

  In the first embodiment of the present invention, the first identification information may be included in the first signal by a method other than AM modulation for the first signal. For example, the vehicle-mounted device 10 may cause the first signal to be wirelessly transmitted at different timings for each of the plurality of vehicle-mounted transmission antennas 16, and the first identification information may be the time of the wirelessly transmitted first signal.

  In the first embodiment of the present invention, the second identification information may be included in the second signal by a method other than the FM modulation to the second signal. For example, when the vehicle 30 is a vehicle on which many passengers ride, the amount of information that can be transmitted can be further increased by using a method such as CDMA modulation. Conversely, when the number of vehicles 30 is a vehicle on which passengers get on, a method such as AM modulation may be used. Further, when the vehicle 30 is a vehicle on which a small number of passengers ride, an infrared signal or an ultrasonic signal may be used as the second signal.

  In the embodiment of the present invention, the vehicle on which the boarding confirmation system 1 or the boarding confirmation system 101 is mounted may be a vehicle other than a train or a bus.

DESCRIPTION OF SYMBOLS 1 Boarding confirmation system 10 Onboard equipment 11 1st transmission part 12 1st reception part 13 Calculation part 14 Judgment part 15 1st control part 16 Car-mounted transmission antenna 16a 1st transmission antenna 16b 2nd transmission antenna 16c 3rd transmission antenna 16d 4th Transmitting antenna 17 In-vehicle receiving antenna 20 Mobile device 21 Second receiving unit 22 Second transmitting unit 23 Signal strength detecting unit 24 Second control unit 25 Built-in receiving antenna 26 Built-in transmitting antenna 30 Vehicle 40 Passenger 101 Boarding confirmation system 130 Vehicle 131 Seat

Claims (4)

In vehicles with multiple passengers,
A boarding confirmation system for performing boarding confirmation of the passenger,
A vehicle-mounted device mounted on the vehicle;
A plurality of vehicle-mounted transmitting antennas connected to the vehicle-mounted device;
A vehicle-mounted receiving antenna connected to the vehicle-mounted device;
A portable device capable of wireless communication with the vehicle-mounted device and held by the passenger,
The in-vehicle device is
Wirelessly transmitting a first signal to the portable device using a plurality of the vehicle-mounted transmitting antennas;
The portable device is
Receiving a first signal wirelessly transmitted from the plurality of in-vehicle transmission antennas;
A second signal including signal strength information related to the received signal strength of the first signal is wirelessly transmitted to the in-vehicle receiving antenna;
The in-vehicle device is
Based on the signal strength information included in the second signal received using the in-vehicle receiving antenna, the position of the portable device is calculated,
A boarding confirmation system for performing boarding confirmation of the passenger based on the calculated position of the portable device. The first signal is a radio signal having a frequency of LF band;
The second signal is a radio signal having a frequency in the UHF band,
The boarding confirmation system according to claim 1. The first signal includes first identification information for identifying the in-vehicle transmission antenna that wirelessly transmits the first signal,
The second signal includes second identification information for identifying the portable device that wirelessly transmits the second signal.
The boarding confirmation system according to claim 1 or 2. The in-vehicle device is
Based on the signal strength information included in the second signal received by the in-vehicle receiving antenna, the position of the portable device is calculated,
Based on the calculated position of the portable device, the seating position of the passenger is specified,
The boarding confirmation system according to any one of claims 1 to 3.