Patent ID: 11878653
Assignee: KIA CORPORATION
Field: Control (Instruments)
Classification: CPC B  G  H | IPC B  G  H

Claim 0:
1. An authentication device, comprising:
a facial recognition processor configured to recognize a face from image information obtained by a camera;
a communication module configured to communicate with an external device; and
an authentication processor configured to:
obtain a distance with the external device based on a received signal strength of a signal received by the communication module;
determine whether the distance with the external device is less than or equal to a first reference distance based on the obtained distance;
transmit a booting instruction to the facial recognition processor in response to determining the distance with the external device is less than or equal to the first reference distance;
transmit a power-off instruction to the facial recognition processor in response to determining the distance with the external device exceeds the first reference distance;
determine whether the facial recognition processor is switched to a sleep mode after transmitting the power-off instruction to the facial recognition processor; and
control output of failure information in response to determining that the facial recognition processor is not switched to the sleep mode;
transmit a facial recognition instruction to the facial recognition processor based on the obtained distance after the booting of the facial recognition processor is completed; and
perform a user authentication based on face information transmitted from the facial recognition processor.