VEHICLE COMMUNICATION SYSTEM
First Claim
1. A vehicle communication system for use with a vehicle having a passenger compartment, a door lock, and a switch which opens and closes the door lock, the vehicle communication system comprising:
- a plurality of portable devices; and
a communication controller which communicates with the plurality of portable devices and controls the vehicle, the communication controller including;
a first transmitter circuit which transmits a first wireless signal within an area near the vehicle;
a second transmitter circuit which transmits a second wireless signal within an area in the passenger compartment of the vehicle; and
a control unit which controls at least the closing of the door lock, in which the control unit determines that a portable device is located near the vehicle when receiving a response signal from the portable device in response to the first wireless signal and determines that a portable device is located in the passenger compartment of the vehicle when receiving a response signal from the portable device in response to the second wireless signal;
wherein when the switch is operated in a state in which the door lock is open, the control unit closes the door lock when at least one of the plurality of portable devices is located near the vehicle and keeps the door lock open when none of the plurality of portable devices is located near the vehicle.
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle security system for improving convenience without lowering the security level. The vehicle communication system includes a plurality of portable devices and a communication controller, which communicates with the portable devices and controls a vehicle. The communication controller includes a first transmitter circuit, which transmits a first wireless signal within an area near the vehicle, a second transmitter circuit, which transmits a second wireless signal within an area in the passenger compartment of the vehicle, and a communication control unit, which controls at least the closing of a door lock. When a door lever is operated in a state in which the door lock is closed, the communication control unit closes the door lock when one of the portable devices is located near the vehicle and keeps the door lock closed when none of the portable devices is located near the vehicle.
55 Citations
9 Claims
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1. A vehicle communication system for use with a vehicle having a passenger compartment, a door lock, and a switch which opens and closes the door lock, the vehicle communication system comprising:
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a plurality of portable devices; and a communication controller which communicates with the plurality of portable devices and controls the vehicle, the communication controller including; a first transmitter circuit which transmits a first wireless signal within an area near the vehicle; a second transmitter circuit which transmits a second wireless signal within an area in the passenger compartment of the vehicle; and a control unit which controls at least the closing of the door lock, in which the control unit determines that a portable device is located near the vehicle when receiving a response signal from the portable device in response to the first wireless signal and determines that a portable device is located in the passenger compartment of the vehicle when receiving a response signal from the portable device in response to the second wireless signal; wherein when the switch is operated in a state in which the door lock is open, the control unit closes the door lock when at least one of the plurality of portable devices is located near the vehicle and keeps the door lock open when none of the plurality of portable devices is located near the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification