Smart entry system
AssigneeDenso Corporation
InventorsRyusuke ISHIKAWA, Nobuyoshi NAGAI, Koji UENO
Life of this patent
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Abstract
A smart entry system that releases a lock of an opening/closing body includes: a transmission unit that transmits a call signal to a mobile key by wireless communication; a reception unit that receives a response signal from the mobile key responding to the call signal; and a control unit that outputs a call signal transmission command to the transmission unit, performs authentication of the response signal when the reception unit receives the response signal, and outputs a command for unlocking the opening/closing body based on a result of the authentication. The call signal is transmitted by a polling system. The control unit includes an output strength setting unit that changes and sets an output strength of the call signal.
Claims10
A smart entry system that releases a lock of an opening/closing body, the smart entry system comprising:
- a transmission unit that transmits a call signal to a mobile key by wireless communication;
- a reception unit that receives a response signal from the mobile key responding to the call signal;
- and
- a control unit that outputs a call signal transmission command to the transmission unit, performs authentication of the response signal when the reception unit receives the response signal, and outputs a command for unlocking the opening/closing body based on a result of the authentication, wherein
- the call signal is transmitted by a polling system, and
- the control unit includes an output strength setting unit that changes and sets an output strength of the call signal.
Dependencies are inferred from the claim text.