Non-contact power supply apparatus
First Claim
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1. A non-contact power supply apparatus comprising:
- a first coil for receiving power from a power transmitting circuit;
a second coil opposed to the first coil for receiving the power from the first coil in a non-contact manner; and
a sensor including;
a plate-like insulator disposed between the first coil and the second coil;
a transmitting main antenna part formed, in a straight shape, on a first face of the insulator;
a transmitting sub antenna part formed on the first face of the insulator, intersecting the transmitting main antenna part, and electrically connected to the transmitting main antenna part;
a transmitting circuit electrically connected to the transmitting main antenna part, and transmitting a signal;
a receiving main antenna part formed, in a straight shape, on a second face, which is opposite the first face, of the insulator;
a receiving sub antenna part formed on the second face of the insulator, intersecting the receiving main antenna part, and electrically connected to the receiving main antenna part; and
a receiving circuit electrically connected to the receiving main antenna part,wherein the receiving circuit receives the signal through the receiving main antenna part and the receiving sub antenna part, and senses an object, except the insulator, between the first coil and the second coil, based on a change in a reception intensity of the signal received.
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Abstract
A non-contact power supply apparatus includes a first coil, a second coil opposed to the first coil, and a sensor. The sensor includes an insulator, transmitting main antenna parts, transmitting sub antenna parts, a transmitting circuit, receiving main antenna parts, receiving sub antenna parts, and a receiving circuit.
8 Citations
28 Claims
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1. A non-contact power supply apparatus comprising:
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a first coil for receiving power from a power transmitting circuit; a second coil opposed to the first coil for receiving the power from the first coil in a non-contact manner; and a sensor including; a plate-like insulator disposed between the first coil and the second coil; a transmitting main antenna part formed, in a straight shape, on a first face of the insulator; a transmitting sub antenna part formed on the first face of the insulator, intersecting the transmitting main antenna part, and electrically connected to the transmitting main antenna part; a transmitting circuit electrically connected to the transmitting main antenna part, and transmitting a signal; a receiving main antenna part formed, in a straight shape, on a second face, which is opposite the first face, of the insulator; a receiving sub antenna part formed on the second face of the insulator, intersecting the receiving main antenna part, and electrically connected to the receiving main antenna part; and a receiving circuit electrically connected to the receiving main antenna part, wherein the receiving circuit receives the signal through the receiving main antenna part and the receiving sub antenna part, and senses an object, except the insulator, between the first coil and the second coil, based on a change in a reception intensity of the signal received. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A non-contact power supply apparatus comprising:
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a first coil for receiving power from a power transmitting circuit; a second coil opposed to the first coil for receiving the power from the first coil in a non-contact manner; and a sensor including; a plate-like insulator disposed between the first coil and the second coil; a transmitting main antenna part formed, in a straight shape, on a first face of the insulator; a transmitting sub antenna part formed on the first face of the insulator, intersecting the transmitting main antenna part, and electrically connected to the transmitting main antenna part; a transmitting circuit electrically connected to the transmitting main antenna part, and transmitting a signal; a receiving main antenna part formed, in a straight shape, on a second face, which is opposite the first face, of the insulator; a receiving sub antenna part formed on the second face of the insulator, intersecting the receiving main antenna part, and electrically connected to the receiving main antenna part; and a receiving circuit electrically connected to the receiving main antenna part, wherein the transmitting circuit receives a reflected signal of the signal transmitted, and senses an object, except the insulator, between the first coil and the second coil, based on a change in a reception intensity of the reflected signal received. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification
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Current AssigneePanasonic Automotive Systems Company of America (Panasonic Holdings Corporation)
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Original AssigneePanasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
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InventorsWerner, Steffen, Iwamiya, Hiroki, Higashiyama, Koji
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Primary Examiner(s)Le, Dinh T
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Application NumberUS14/654,550Publication NumberTime in Patent Office1,524 DaysField of Search307104US Class CurrentCPC Class CodesH01F 38/14 Inductive couplings for wir...H02J 50/10 using inductive couplingH02J 50/12 of the resonant typeH02J 50/60 responsive to the presence ...
