ANTENNA DEVICE, TRANSPONDER READER, INDUCTION COOKER
First Claim
Patent Images
1. An antenna device, comprising:
- an inductive transmitting antenna comprising a main radiation direction;
a plurality of spaced apart adjacent conductors; and
a reference potential terminal connected to the plurality of conductors;
wherein the plurality of the conductors is arranged in a predetermined distance from the inductive transmitting antenna along the main radiation direction in one plane;
wherein an angle exists between the plane of the conductors and the main radiation direction;
wherein the plurality of the conductors extend radially outwards originating from a first area within the plane, wherein the plurality of conductors in the first area are conductively connected to each other and to the reference potential terminal, andwherein each of the conductors branches into two adjacent partial conductors at a position spaced apart from the first area.
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Accused Products
Abstract
An antenna device has an inductive transmitting antenna having a main radiation direction, a plurality of spaced apart, adjacent conductors and a reference potential terminal. The plurality of spaced apart, adjacent conductors is connected to the reference potential terminal and arranged in a predetermined distance from the transmitting antenna along the main radiation direction in a plane antiparallel to the main radiation direction.
20 Citations
19 Claims
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1. An antenna device, comprising:
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an inductive transmitting antenna comprising a main radiation direction; a plurality of spaced apart adjacent conductors; and a reference potential terminal connected to the plurality of conductors; wherein the plurality of the conductors is arranged in a predetermined distance from the inductive transmitting antenna along the main radiation direction in one plane; wherein an angle exists between the plane of the conductors and the main radiation direction; wherein the plurality of the conductors extend radially outwards originating from a first area within the plane, wherein the plurality of conductors in the first area are conductively connected to each other and to the reference potential terminal, and wherein each of the conductors branches into two adjacent partial conductors at a position spaced apart from the first area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An antenna device, comprising:
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an inductive transmitting antenna comprising a main radiation direction; a plurality of spaced apart adjacent conductors; and a reference potential terminal connected to the plurality of the conductors; wherein the plurality of the conductors is arranged in a predetermined distance from the inductive transmitting antenna along the main radiation direction in one plane; wherein an angle exists between the plane of the conductors and the main radiation direction; wherein the plurality of the conductors extend radially outwards originating from a first area within the plane, wherein the plurality of conductors in the first area are conductively connected to each other and to the reference potential terminal, and wherein a distance between two adjacent conductors of the plurality of the conductors is constant along extension directions of the two adjacent conductors.
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16. A transponder reader comprising an antenna device, comprising:
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an inductive transmitting antenna comprising a main radiation direction; a plurality of spaced apart adjacent conductors; and a reference potential terminal connected to the plurality of conductors; wherein the plurality of the conductors is arranged in a predetermined distance from the inductive transmitting antenna along the main radiation direction in one plane; wherein an angle exists between the plane of the conductors and the main radiation direction; wherein the plurality of the conductors extend radially outwards originating from a first area within the plane, wherein the plurality of conductors in the first area are conductively connected to each other and to the reference potential terminal, and wherein each of the conductors branches into two adjacent partial conductors at a position spaced apart from the first area.
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17. A transponder reader comprising an antenna device, comprising:
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an inductive transmitting antenna comprising a main radiation direction; a plurality of spaced apart adjacent conductors; and a reference potential terminal connected to the plurality of the conductors; wherein the plurality of the conductors is arranged in a predetermined distance from the inductive transmitting antenna along the main radiation direction in one plane; wherein an angle exists between the plane of the conductors and the main radiation direction; wherein the plurality of the conductors extend radially outwards originating from a first area within the plane, wherein the plurality of conductors in the first area are conductively connected to each other and to the reference potential terminal, and wherein a distance between two adjacent conductors of the plurality of the conductors is constant along extension directions of the two adjacent conductors.
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18. An induction cooker comprising an antenna device, comprising:
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an inductive transmitting antenna comprising a main radiation direction; a plurality of spaced apart adjacent conductors; and a reference potential terminal connected to the plurality of conductors; wherein the plurality of the conductors is arranged in a predetermined distance from the inductive transmitting antenna along the main radiation direction in one plane; wherein an angle exists between the plane of the conductors and the main radiation direction; wherein the plurality of the conductors extend radially outwards originating from a first area within the plane, wherein the plurality of conductors in the first area are conductively connected to each other and to the reference potential terminal, and wherein each of the conductors branches into two adjacent partial conductors at a position spaced apart from the first area.
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19. An induction cooker comprising an antenna device, comprising:
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an inductive transmitting antenna comprising a main radiation direction; a plurality of spaced apart adjacent conductors; and a reference potential terminal connected to the plurality of the conductors; wherein the plurality of the conductors is arranged in a predetermined distance from the inductive transmitting antenna along the main radiation direction in one plane; wherein an angle exists between the plane of the conductors and the main radiation direction; wherein the plurality of the conductors extend radially outwards originating from a first area within the plane, wherein the plurality of conductors in the first area are conductively connected to each other and to the reference potential terminal, and wherein a distance between two adjacent conductors of the plurality of the conductors is constant along extension directions of the two adjacent conductors.
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Specification