Vehicle door handle assembly with antenna circuit
First Claim
Patent Images
1. A door handle assembly for a door of a vehicle, said door handle assembly configured to mount at a handle region of a vehicle door, said door handle assembly comprising:
- an antenna circuit for an antenna of a passive entry system of the vehicle, said antenna circuit comprising at least an inductor in series electrical connection with a capacitor;
wherein said antenna circuit comprises a resistor in electrical connection with said inductor and said capacitor of said antenna circuit, wherein said resistor is selected to provide a selected reduction of a Q factor of said antenna circuit to a reduced level;
wherein said resistor is disposed in series electrical connection with said inductor of said antenna circuit and said capacitor of said antenna circuit; and
wherein said resistor is disposed between said inductor and said capacitor of said antenna circuit.
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Abstract
A door handle assembly for a door of a vehicle, with the door handle assembly configured to mount at a handle region of a vehicle door, includes an antenna circuit for an antenna of a passive entry system of the vehicle. The antenna circuit includes at least an inductor in series electrical connection with a capacitor. The antenna circuit includes a resistor in electrical connection with the inductor and the capacitor. The resistor is selected to provide a selected reduction of a quality factor or Q factor of the antenna circuit to a reduced level.
42 Citations
14 Claims
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1. A door handle assembly for a door of a vehicle, said door handle assembly configured to mount at a handle region of a vehicle door, said door handle assembly comprising:
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an antenna circuit for an antenna of a passive entry system of the vehicle, said antenna circuit comprising at least an inductor in series electrical connection with a capacitor; wherein said antenna circuit comprises a resistor in electrical connection with said inductor and said capacitor of said antenna circuit, wherein said resistor is selected to provide a selected reduction of a Q factor of said antenna circuit to a reduced level; wherein said resistor is disposed in series electrical connection with said inductor of said antenna circuit and said capacitor of said antenna circuit; and wherein said resistor is disposed between said inductor and said capacitor of said antenna circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A door handle assembly for a door of a vehicle, said door handle assembly configured to mount at a handle region of a vehicle door, said door handle assembly comprising:
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an antenna circuit for an antenna of a passive entry system of the vehicle, said antenna circuit comprising at least an inductor in series electrical connection with a capacitor; wherein said antenna circuit comprises a resistor in series electrical connection with at least one of said inductor and said capacitor of said antenna circuit, wherein said resistor is selected to provide a selected reduction of a Q factor of said antenna circuit to a reduced level; wherein said resistor functions to reduce the Q factor of said antenna circuit by at least about 50 percent; and wherein said resistor is disposed between said inductor and said capacitor of said antenna circuit and in series electrical connection with said inductor and said capacitor. - View Dependent Claims (11, 12, 13)
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14. A door handle assembly for a door of a vehicle, said door handle assembly configured to mount at a handle region of a vehicle door, said door handle assembly comprising:
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an antenna circuit for an antenna of a passive entry system of the vehicle, said antenna circuit comprising at least an inductor in series electrical connection with a capacitor; wherein said door handle assembly comprises one of (i) a non-metallic-decorated door handle assembly and (ii) a painted door handle assembly; wherein said antenna circuit comprises a resistor in electrical connection with said inductor and said capacitor of said antenna circuit, wherein said resistor is selected to provide a selected reduction of a Q factor of said antenna circuit to a reduced level; wherein said resistor functions to reduce the Q factor of said antenna circuit by at least about 50 percent; and wherein said resistor is disposed between said inductor and said capacitor of said antenna circuit and in series electrical connection with said inductor and said capacitor.
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Specification