Vehicle authentication system and in-vehicle device

1. A vehicle authentication system comprising:

a ring-type wearable device that has a ring shape to be worn on a finger of a user, has unique identification information, and includes a ring-side short-range communication unit configured to perform short-range wireless communication;

an in-vehicle device that is attached to a vehicle, and includes an authentication unit, a vehicle-side short-range communication unit, and a reception information acquisition unit,

the authentication unit configured to perform authentication regarding use of the vehicle,

the vehicle-side short-range communication unit configured to cause a short-range communication module attached to the vehicle to perform the short-range wireless communication, and

the reception information acquisition unit configured to acquire information received by a wide area communication module attached to the vehicle and configured to communicate via a network; and

a communication terminal that includes a reservation unit, a terminal-side short-range communication unit, and a terminal-side wide area communication unit,

the reservation unit configured to make a reservation for the use of the vehicle,

the terminal-side short-range communication unit configured to perform the short-range wireless communication, and

the terminal-side wide area communication unit configured to communicate via the network, wherein

when the ring-side short-range communication unit performs the short-range wireless communication with the terminal-side short-range communication unit, the ring-side short-range communication unit transmits the identification information to the terminal-side short-range communication unit by the short-range wireless communication,

when the reservation unit makes the reservation, the terminal-side wide area communication unit transmits the identification information to the wide area communication module via the network,

the short-range communication module is located at a position at which a part of the vehicle operated by a finger of the user is included in a communication range of the short-range wireless communication of the short-range communication module,

when the ring-side short-range communication unit performs the short-range wireless communication with the short-range communication module, the ring-side short-range communication unit transmits the identification information to the short-range communication module by the short-range wireless communication, and

the authentication unit performs the authentication based on verification between the identification information received by the short-range communication module and the identification information acquired by the reception information acquisition unit.

2. The vehicle authentication system according to claim 1 , wherein

the vehicle-side short-range communication unit intermittently turns on a communication function of the short-range communication module for performing the short-range wireless communication.

3. The vehicle authentication system according to claim 1 , wherein

the short-range communication module is located at the position at which a switch of the vehicle operated by the finger of the user is included in the communication range of the short-range wireless communication of the short-range communication module, and

when the switch is operated, the vehicle-side short-range communication unit continuously turns on a communication function of the short-range communication module for performing the short-range wireless communication for a predetermined period.

4. The vehicle authentication system according to claim 1 , wherein

the short-range communication module is located at the position at which a switch of the vehicle operated by the finger of the user is included in the communication range of the short-range wireless communication of the short-range communication module,

the vehicle-side short-range communication unit intermittently turns on a communication function of the short-range communication module for performing the short-range wireless communication, and

when the switch is operated, the vehicle-side short-range communication unit continuously turns on the communication function for a predetermined period longer than a period for which the communication function is intermittently turned on.

5. The vehicle authentication system according to claim 1 , wherein

the in-vehicle device further includes a display instruction unit configured to cause a display device of the vehicle to perform display indicative of the use by an authorized user when the verification between the identification information received by the short-range communication module and the identification information acquired by the reception information acquisition unit is established.

6. The vehicle authentication system according to claim 1 , wherein

the in-vehicle device further includes a request transmission unit configured to transmit a request signal for requesting a portable device carried by the user and different from the ring-type wearable device to transmit a code for the verification via long wave communication which is wireless communication using a long wave and different from the short-range wireless communication, and

the vehicle-side short-range communication unit and the request transmission unit exclusively turn on a communication function of the short-range communication module for performing the short-range wireless communication and a communication function for performing the long wave communication respectively.

7. The vehicle authentication system according to claim 6 , wherein

the short-range communication module is located at the position at which a switch of the vehicle operated by the finger of the user is included in the communication range of the short-range wireless communication of the short-range communication module,

when the switch is operated, the vehicle-side short-range communication unit continuously turns on the communication function for performing the short-range wireless communication for a predetermined period,

before the switch is operated, the request transmission unit intermittently turns on the communication function for performing the long wave communication, and

when the switch is operated, the request transmission unit turns off the communication function for performing the long wave communication at least for the period for which the vehicle-side short-range communication unit turns on the communication function for performing the short-range wireless communication.

8. The vehicle authentication system according to claim 6 , wherein

the in-vehicle device further includes a response acquisition unit configured to acquire the code for the verification, and

the authentication unit performs the authentication based on the verification by the code.

9. An in-vehicle device attached to a vehicle comprising:

an authentication unit configured to perform authentication regarding use of the vehicle;

a vehicle-side short-range communication unit configured to cause a short-range communication module to perform short-range wireless communication with a ring-type wearable device that has a ring shape to be worn on a finger of a user, and has unique identification information; and

a reception information acquisition unit configured to acquire information received by a wide area communication module configured to communicate, via a network, with a communication terminal configured to make a reservation for the use of the vehicle, wherein

the short-range communication module is located at a position at which a part of the vehicle operated by the finger of the user is included in a communication range of the short-range wireless communication of the short-range communication module,

when the communication terminal makes the reservation, the reception information acquisition unit acquires, via the network, the identification information received by the wide area communication module from the ring-type wearable device through the communication terminal, and

when the short-range communication module performs the short-range wireless communication with the ring-type wearable device, the authentication unit performs the authentication based on verification between identification information received by the short-range communication module from the ring-type wearable device and the identification information acquired by the reception information acquisition unit.

10. An in-vehicle device attached to a vehicle comprising a processor configured to:

perform authentication regarding a use of the vehicle;

cause a short-range communication module to perform short-range wireless communication with a ring-type wearable device that has a ring shape to be worn on a finger of a user, and has unique identification information; and

acquire information received by a wide area communication module configured to communicate, via a network, with a communication terminal configured to make a reservation for the use of the vehicle, wherein

the short-range communication module is located at a position at which a part of the vehicle operated by the finger of the user is included in a communication range of the short-range wireless communication of the short-range communication module,

when the communication terminal makes the reservation, the processor acquires, via the network, the identification information received by the wide area communication module from the ring-type wearable device through the communication terminal, and

when the short-range communication module performs the short-range wireless communication with the ring-type wearable device, the processor performs the authentication based on verification between identification information received by the short-range communication module from the ring-type wearable device and the identification information acquired by the processor.