Patent ID: 11886566
Assignee: DENSO CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC G  B  E  H | IPC G  H

Claim 6:
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.