Smart entry system
First Claim
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1. A smart entry system, comprising:
- a portable device carried by a user;
an in-vehicle device mounted on a vehicle;
wherein;
the portable device includes;
a main key that stores first identification information to identify the main key itself, andan auxiliary key that stores second identification information to identify the auxiliary key itself; and
the in-vehicle device includes;
a lock instruction detection unit that detects a lock instruction entered by the user to lock a door of the vehicle,a verification unit that verifies that the main key is outside a compartment of the vehicle and that the auxiliary key is inside the compartment of the vehicle in response to the lock instruction detection unit detecting the lock instruction entered by the user to lock the door of the vehicle,a portable device detection unit that detects the portable device based on a verification result from the verification unit,a control unit that locks the door and changes a state of supplying power to the vehicle from a normal state to a power supply continuation state that continues supplying power to only a predetermined power supply continuation device of the vehicle in response to (i) the lock instruction detection unit detecting the lock instruction and (ii) the verification result received by the portable device detection unit indicating that the main key is outside the compartment of the vehicle and that the auxiliary key is inside the compartment of the vehicle, anda state information output unit that outputs state information that reflects the power supply continuation state.
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Abstract
A smart system locks a door of a vehicle when there is a user'"'"'s instruction to lock the door when a first portable device in which first identification information is stored is outside the vehicle and a second portable device in which second identification information is stored is inside the vehicle, and controls the power supply state from a normal state to a power supply continuation state in which power continues to be supplied only to a predetermined power supply continuation device in the vehicle.
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Citations
15 Claims
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1. A smart entry system, comprising:
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a portable device carried by a user; an in-vehicle device mounted on a vehicle; wherein; the portable device includes; a main key that stores first identification information to identify the main key itself, and an auxiliary key that stores second identification information to identify the auxiliary key itself; and the in-vehicle device includes; a lock instruction detection unit that detects a lock instruction entered by the user to lock a door of the vehicle, a verification unit that verifies that the main key is outside a compartment of the vehicle and that the auxiliary key is inside the compartment of the vehicle in response to the lock instruction detection unit detecting the lock instruction entered by the user to lock the door of the vehicle, a portable device detection unit that detects the portable device based on a verification result from the verification unit, a control unit that locks the door and changes a state of supplying power to the vehicle from a normal state to a power supply continuation state that continues supplying power to only a predetermined power supply continuation device of the vehicle in response to (i) the lock instruction detection unit detecting the lock instruction and (ii) the verification result received by the portable device detection unit indicating that the main key is outside the compartment of the vehicle and that the auxiliary key is inside the compartment of the vehicle, and a state information output unit that outputs state information that reflects the power supply continuation state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification