Wireless system for vehicle and related method
First Claim
1. A wireless device for a vehicle having an instrument panel, comprising:
- a portable transmitter and receiver unit having a transponder and a keyless circuitry adapted to transmit an identifier signal, indicative of an identifier identifying the portable transmitter and receiver unit; and
an on-vehicle transmitter and receiver device having antennas and a controller, adapted to communicate with the portable transmitter and receiver unit through the antennas while the portable transmitter and receiver unit is located in a given communication area, and operative to transmit an identifier request signal to the portable transmitter and receiver unit requesting the portable transmitter and receiver unit to transmit back to the controller the identifier signal for checking whether the identifier of the portable transmitter and receiver unit is proper, wherein upon verification by the controller that the identifier of the portable transmitter and receiver unit is performed, the controller is responsive to open or close a door of a vehicle and to permit an engine of the vehicle to be started up, and wherein at least one of the antennas is mounted at a terminal end of an instrument panel of the vehicle.
1 Assignment
0 Petitions
Accused Products
Abstract
A wireless device for a vehicle is provided with a portable transmitter and receiver unit having a transponder and a keyless circuitry, and an on-vehicle transmitter and receiver device having antennas and a controller adapted to communicate with the portable transmitter and receiver unit through the antennas and operative to transmit an identifier request signal to the portable transmitter and receiver unit while requesting the portable transmitter and receiver unit to transmit back an identifier signal for checking whether an ID code of the portable transmitter and receiver unit is proper. At least one of the antennas of the on-vehicle transmitter and receiver device is mounted at a terminal end of an instrument panel of the vehicle.
31 Citations
8 Claims
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1. A wireless device for a vehicle having an instrument panel, comprising:
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a portable transmitter and receiver unit having a transponder and a keyless circuitry adapted to transmit an identifier signal, indicative of an identifier identifying the portable transmitter and receiver unit; and
an on-vehicle transmitter and receiver device having antennas and a controller, adapted to communicate with the portable transmitter and receiver unit through the antennas while the portable transmitter and receiver unit is located in a given communication area, and operative to transmit an identifier request signal to the portable transmitter and receiver unit requesting the portable transmitter and receiver unit to transmit back to the controller the identifier signal for checking whether the identifier of the portable transmitter and receiver unit is proper, wherein upon verification by the controller that the identifier of the portable transmitter and receiver unit is performed, the controller is responsive to open or close a door of a vehicle and to permit an engine of the vehicle to be started up, and wherein at least one of the antennas is mounted at a terminal end of an instrument panel of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless device for a vehicle having an instrument panel, comprising:
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a portable transmitting and receiving means for transmitting an identifier signal indicative of an identifier identifying the portable transmitting and receiving means and receiving an identifier request signal; and
an on-vehicle transmitting and receiving means for transmitting the identifier request signal to the portable transmitting and receiving means and receiving the identifier signal from the portable transmitting and receiving means, at least a part of the on-vehicle transmitting and receiving means being mounted at a terminal end of an instrument panel of a vehicle, wherein when a wireless communication between the portable transmitting and receiving means and the on-vehicle transmitting and receiving means is to be performed within the vehicle, and when the identifier of the portable transmitting and receiving means is not verified, the portable transmitting and receiving means is located in the vicinity of the at least a part of the on-vehicle transmitting and receiving means mounted at the terminal end of the instrument panel of the vehicle.
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8. A method of performing wireless communication for a vehicle having an instrument panel, the method comprising:
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preparing a portable transmitter and receiver unit transmitting an identifier signal indicative of an identifier identifying the portable transmitter and receiver unit and receiving an identifier request signal;
preparing an on-vehicle transmitter and receiver device transmitting the identifier request signal to the portable transmitter and receiver unit and receiving the identifier signal from the portable transmitter and receiver unit;
mounting at least a part of the on-vehicle transmitter and receiver device at a terminal end of an instrument panel of a vehicle; and
locating the portable transmitter and receiver unit in the vicinity of the at least a part of the on-vehicle transmitter and receiver unit mounted at the terminal end of the instrument panel of the vehicle, when a wireless communication between the portable transmitter and receiver unit and the on-vehicle transmitter and receiver device is to be performed within the vehicle, and when the identifier of the portable transmitter and receiver unit is not verified.
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Specification