Electronic key for vehicle

Abstract

An electronic key for a vehicle includes an operation button, an operation signal transmitter, a light emitter, a light receiver, and a processor. The operation button is configured to perform a door locking and a door unlocking of the vehicle. The operation signal transmitter is configured to transmit an operation signal, based on an operation performed on the operation button. The light emitter is configured to output light, in response to the operation of the operation button. The light receiver is configured to receive reflection light of the light outputted from the light emitter. The processor is configured to refrain from causing the operation signal transmitter to transmit the operation signal that is based on the operation of the operation button, when the light receiver receives the reflection light.

Dependencies are inferred from the claim text.