Door handle for vehicle and smart entry system for vehicle using the same
First Claim
Patent Images
1. A door handle for a vehicle, the door handle comprising:
- a gripping part which is mounted on an outer face of a door of the vehicle; and
at least a transmitting antenna of a transmitter which transmits a radio signal toward outside of the vehicle, said at least a transmitting antenna being integrated with said gripping part, wherein said gripping part comprises;
a first part which is made of electrically insulating material; and
a second part which is fixed to said first part so that a hollow space is formed between said first and second parts, wherein said at least a transmitting antenna is disposed in said hollow space.
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Accused Products
Abstract
A door handle for a vehicle which can miniaturize a transmitter provided on the vehicle and reduce a cost of the system is provided. The door handle includes a handle body which is mounted on an outer face of a door of the vehicle. A least a transmitting antenna of a transmitter which transmits a radio signal toward outside of the vehicle is integrated with the handle body. A smart key entry system for a vehicle using the door handle is also provided.
87 Citations
11 Claims
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1. A door handle for a vehicle, the door handle comprising:
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a gripping part which is mounted on an outer face of a door of the vehicle; and
at least a transmitting antenna of a transmitter which transmits a radio signal toward outside of the vehicle, said at least a transmitting antenna being integrated with said gripping part, wherein said gripping part comprises;
a first part which is made of electrically insulating material; and
a second part which is fixed to said first part so that a hollow space is formed between said first and second parts, wherein said at least a transmitting antenna is disposed in said hollow space. - View Dependent Claims (3, 4, 5, 6)
a coil which is wound around a magnetic core; and
a condenser which is connected to said coil.
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6. The door handle for a vehicle as claimed in claim 5, wherein said magnetic core has an elongated shape and said condenser is disposed adjacently to said coil in a longitudinal direction of said magnetic core.
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2. A door handle for a vehicle, the door handle comprising:
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a gripping part which is mounted on an outer face of a door of the vehicle;
at least a transmitting antenna of a transmitter which transmits a radio signal toward outside of the vehicle, said at least a transmitting antenna being integrated with said gripping part; and
a contact detector which detects a contact of a human hand to said door handle based on a current flowing through said at least a transmitting antenna.
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7. A smart entry system for a vehicle which includes an onboard station and a portable station, wherein said onboard station comprises:
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a transmitter for transmitting a radio request signal via a transmitting antenna, at least said transmitting antenna being integrated with a gripping part of a door handle of the vehicle which is mounted on an outer face of a door of the vehicle; and
a receiver for receiving a radio response signal via a receiving antenna transmitted from said portable station in response to said radio request signal wherein said gripping part comprises;
a first part which is made of electrically insulating material; and
a second part which is fixed to said first part so that a hollow space is formed between said first and second parts, wherein said at least said transmitting antenna is provided in said hollow space. - View Dependent Claims (9)
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8. A smart entry system for a vehicle which includes an onboard station and a portable station, wherein said onboard station comprises:
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a transmitter for transmitting a radio request signal via a transmitting antenna, at least said transmitting antenna being integrated with a gripping part of a door handle of the vehicle which is mounted on an outer face of a door of the vehicle;
a receiver for receiving a radio receiver signal via a receiving antenna transmitted from said portable station in response to said radio request signal; and
a contact detector which detects a contact of a human hand to said door handle based on a current flowing through said transmitting antenna.
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10. A door handle for a vehicle, the door handle comprising:
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a handle body which is mounted on an outer face of a door of the vehicle;
at least a transmitting antenna of a transmitter which transmits a radio signal toward outside of the vehicle, said at least a transmitting antenna being integrated with said handle body; and
a contact detector which detects a contact of a human hand to said door handle based on a current flowing through said at least a transmitting antenna.
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11. A smart entry system for a vehicle which includes an onboard station and a portable station, wherein said onboard station comprises:
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a transmitter for transmitting a radio request signal via a transmitting antenna, at least said transmitting antenna being integrated with a door handle of the vehicle which is mounted on an outer face of a door of the vehicle;
a contact detector which detects a contact of a human hand to said door handle based on a current flowing through said transmitting antenna; and
a receiver for receiving a radio response signal via a receiving antenna transmitted from said portable station in response to said radio request signal.
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Specification