Radiative Wireless Power Transmission
First Claim
1. A wireless power transmission system comprising:
- a conductive waveguide at least partially filled with a dielectric material, the waveguide extending along a first direction from a first end to a second, opposing end thereof, the waveguide having a bottom face, a top face and a pair of side faces that together form a substantially rectangular cross-section of the waveguide, the top face having a plurality of slots oriented substantially orthogonal to the first direction and distributed between the first and second ends, with adjacent slots spaced from each other by a first distance measured along the first direction, the waveguide comprisinga plurality of barriers interleaved with the plurality of slots, the barriers separated from each other by the first distance, each of the barriers extending between the top and bottom faces and having a barrier cross-section with an area smaller than an area of the waveguide cross-section; and
an input port coupled to the first end of the waveguide, the input port configured to receive an input waveform to be guided by the waveguide.
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Accused Products
Abstract
A wireless power transmission system (100) includes a conductive waveguide (110) at least partially filled with a dielectric material (115), the waveguide extending along a first direction (e.g., z-axis) from a first end (111a) to an opposing end (111b) thereof, the waveguide having a bottom face (112), a top face (114) and a pair of side faces (116a, 116b) that together form a substantially rectangular cross-section of the waveguide, the top face having a plurality of slots (118) oriented substantially orthogonal to the first direction and distributed between the first end and the opposing end, the slots separated from each other by a first distance (l1) measured along the first direction. In one illustrative embodiment, the waveguide includes a plurality of barriers (120) interleaved with the plurality of slots, the barriers separated from each other by the first distance, each of the barriers extending between the top and bottom faces and having a barrier cross-section with an area smaller than an area of the waveguide cross-section and an input port (130) coupled with the first end of the waveguide, the input port configured to receive an input waveform (101) to be guided by the waveguide.
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Citations
15 Claims
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1. A wireless power transmission system comprising:
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a conductive waveguide at least partially filled with a dielectric material, the waveguide extending along a first direction from a first end to a second, opposing end thereof, the waveguide having a bottom face, a top face and a pair of side faces that together form a substantially rectangular cross-section of the waveguide, the top face having a plurality of slots oriented substantially orthogonal to the first direction and distributed between the first and second ends, with adjacent slots spaced from each other by a first distance measured along the first direction, the waveguide comprising a plurality of barriers interleaved with the plurality of slots, the barriers separated from each other by the first distance, each of the barriers extending between the top and bottom faces and having a barrier cross-section with an area smaller than an area of the waveguide cross-section; and an input port coupled to the first end of the waveguide, the input port configured to receive an input waveform to be guided by the waveguide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for wireless power transmission, the method comprising:
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receiving, at an antenna, a first input waveform having a first frequency, wherein the antenna comprises a first 1D-array of resonance cavities that are coupled with their adjacent cavities and through partially transmissive barriers, and have respective slots arranged orthogonally to a first direction that is parallel to the first 1-D array of resonance cavities, wherein the first input waveform is received at a first input port coupled to a first resonance cavity of the first 1D-array of resonance cavities; guiding the first input waveform through the first 1D-array of coupled resonance cavities; radiating a first output wave having the first frequency of the first input waveform through the slots along a propagation direction that forms a first angle, relative the first direction, the first angle being associated with the first frequency of the first input waveform. - View Dependent Claims (14, 15)
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Specification