Antenna coupler mechanism
First Claim
1. An antenna coupler mechanism, comprising:
- a first tuning leg comprising a first inductive circuit element, the first tuning leg being configured to accept a radio frequency device in series with the first inductive circuit element;
a second tuning leg comprising a second inductive circuit element and a capacitive circuit element connected in series, the second tuning leg being connected electrically in parallel with the first tuning leg; and
a bottom plate comprising a third inductive circuit element connected electrically in parallel with the first tuning leg and connected electrically in parallel with the second tuning leg, the bottom plate being configured to couple energy into a nearby structure;
wherein an inductance value of the first inductive circuit element is higher than an inductance value of the second inductive circuit element.
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Accused Products
Abstract
Systems and methods are provided for an antenna coupler mechanism. The antenna coupler mechanism includes a first tuning leg, a second tuning leg, and a bottom plate. The first tuning leg includes a first inductive circuit element, the first tuning leg being configured to accept a radio frequency device in series with the first inductive circuit element. The second tuning leg includes a second inductive circuit element and a capacitive circuit element connected in series, the second tuning leg being connected electrically in parallel with the first tuning leg. In addition, the bottom plate includes a third inductive circuit element connected electrically in parallel with the first tuning leg and connected electrically in parallel with the second tuning leg, the bottom plate being configured to couple energy into a nearby structure.
12 Citations
17 Claims
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1. An antenna coupler mechanism, comprising:
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a first tuning leg comprising a first inductive circuit element, the first tuning leg being configured to accept a radio frequency device in series with the first inductive circuit element; a second tuning leg comprising a second inductive circuit element and a capacitive circuit element connected in series, the second tuning leg being connected electrically in parallel with the first tuning leg; and a bottom plate comprising a third inductive circuit element connected electrically in parallel with the first tuning leg and connected electrically in parallel with the second tuning leg, the bottom plate being configured to couple energy into a nearby structure; wherein an inductance value of the first inductive circuit element is higher than an inductance value of the second inductive circuit element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system for determining a location of a metallic object, comprising:
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an antenna coupler mechanism comprising; a first tuning leg comprising a first inductive circuit element, the first tuning leg being configured to accept a radio frequency device in series with the first inductive circuit element; a second tuning leg comprising a second inductive circuit element and a capacitive circuit element connected in series, the second tuning leg being connected electrically in parallel with the first tuning leg; a bottom plate comprising a third inductive circuit element connected electrically in parallel with the first tuning leg by a first set of electrical connections and connected electrically in parallel with the second tuning leg by a second set of electrical connections; a radio frequency transceiver configured to send an interrogation signal to the radio frequency device and to receive a response signal originating from the radio frequency device; and a metallic object connected to the antenna coupler mechanism, wherein the metallic object is configured to receive the response signal via the bottom plate, and wherein the metallic object is configured to transmit the response signal to the radio frequency transceiver; wherein the metallic object has a flat surface that does not comprise a recess, and the antenna coupler mechanism is mounted on the flat surface of the metallic object. - View Dependent Claims (17)
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Specification