Devices and methods for reducing mutual coupling effects in wireless power transmission systems
First Claim
1. A transmitter device for a wireless charging system, comprising:
- at least two antennas configured to direct electromagnetic waves toward a wireless power receiver such that the electromagnetic waves interfere constructively at a location proximate to the wireless power receiver; and
a housing structure configured to receive the at least two antennas, the housing structure including;
a metallic base;
a first set of isolating components extending upwardly relative to the metallic base and defining a first region of the housing structure that is configured to receive a first antenna of the at least two antennas; and
a second set of isolating components extending upwardly relative to the metallic base and defining a second region of the housing structure that is configured to receive a second antenna of the at least two antennas, the second set including at least some isolating components distinct from those in the first set;
wherein the first and second sets of isolating components are configured (i) to create a physical gap in the housing structure between the first and second antennas, and (ii) to reduce a mutual coupling between the first antenna and the second antenna, andwherein the first and second sets of isolating components comprise respective pluralities of metallic cylinders.
1 Assignment
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Accused Products
Abstract
The various embodiments described herein include methods, devices, and systems for reducing mutual coupling between antennas. In one aspect, a wireless charging system includes: (1) two antennas configured to direct electromagnetic waves toward a wireless power receiver such that the electromagnetic waves interfere constructively at the receiver; and (2) a housing structure configured to receive the antennas, including: (a) a metallic base, (b) a first set of isolating components extending upwardly and defining a first region configured to receive a first antenna, and (c) a second set of isolating components extending upwardly and defining a second region configured to receive a second antenna, the second set including at least some isolating components distinct from those in the first set. The first and second sets of isolating components configured to: (i) create a physical gap between the antennas, and (ii) reduce a mutual coupling between the antennas.
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Citations
19 Claims
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1. A transmitter device for a wireless charging system, comprising:
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at least two antennas configured to direct electromagnetic waves toward a wireless power receiver such that the electromagnetic waves interfere constructively at a location proximate to the wireless power receiver; and a housing structure configured to receive the at least two antennas, the housing structure including; a metallic base; a first set of isolating components extending upwardly relative to the metallic base and defining a first region of the housing structure that is configured to receive a first antenna of the at least two antennas; and a second set of isolating components extending upwardly relative to the metallic base and defining a second region of the housing structure that is configured to receive a second antenna of the at least two antennas, the second set including at least some isolating components distinct from those in the first set; wherein the first and second sets of isolating components are configured (i) to create a physical gap in the housing structure between the first and second antennas, and (ii) to reduce a mutual coupling between the first antenna and the second antenna, and wherein the first and second sets of isolating components comprise respective pluralities of metallic cylinders. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of constructing a transmitter device for a wireless charging system, comprising:
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providing at least two antennas configured to direct electromagnetic waves toward a wireless power receiver such that the electromagnetic waves interfere constructively at a location proximate to the wireless power receiver; providing a housing structure configured to receive the at least two antennas, the housing structure including; a metallic base; a first set of isolating components extending upwardly relative to the metallic base and defining a first region of the housing structure that is configured to receive a first antenna of the at least two antennas; and a second set of isolating components extending upwardly relative to the metallic base and defining a second region of the housing structure that is configured to receive a second antenna of the at least two antennas, the second set including at least some isolating components distinct from those in the first set; wherein the first and second sets of isolating components are configured (i) to create a physical gap in the housing structure between the first and second antennas and (ii) to reduce a mutual coupling between the first antenna and the second antenna; wherein the first and second sets of isolating components comprise respective pluralities of metallic cylinders; mounting the first antenna at the first region of the housing structure, wherein a first perimeter of the first antenna is surrounded by the first set of isolating components; and mounting the second antenna at the second region of the housing structure, wherein a second perimeter of the second antenna is surrounded by the second set of isolating components. - View Dependent Claims (17, 18, 19)
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Specification