Antenna configurations for wireless power and communication, and supplemental visual signals
The disclosed technology relates to antenna configurations for wireless power transmission and supplemental visual signals. In some implementations, the disclosed technology includes a wireless power transmitter with boards that have multiple antennas physically coupled to the board. In some implementations, the antennas boards are arranged in a polygonal configuration (e.g., star shape). Additionally, in some implementations, the antennas can have different polarization configurations.
1. A wireless power transmitter, comprising:
a partially perforated cylindrical housing composed of material that is at least partially transparent to radio frequency (RF) waves;
first antenna module boards (AMBs), wherein each AMB of the first AMBs comprises:
a first set of antennas positioned on a first side; and
a first control circuit arranged on a second side opposite the first side,
wherein the first control circuit is configured to control power transmission from the first set of antennas;
second AMBs, wherein each AMB of the second AMBs comprises:
a second set of antennas positioned on a first side; and
a second control circuit arranged on a second side opposite the first side,
wherein the second control circuit is configured to control transmission of power from the second set of antennas;
wherein the first and second AMBs are positioned in a multi-pointed star configuration with the first and second sets of antennas situated on an exterior of the star configuration, and each of the first AMBs positioned to partially face one of the second AMBs; and
wherein the cylindrical housing is spaced apart from and peripheral to the star configuration.
2. The wireless power transmitter of claim 1 , wherein the first set of antennas has a vertical polarization and the second set of antennas has a horizontal polarization.
3. The wireless power transmitter of claim 1 , wherein the wireless power transmitter is movable, and wherein the wireless transmitter is less than 16 inches in all dimensions.
4. The wireless power transmitter of claim 1 , wherein first and second control circuits are configured to enable one or more antennas of the first or second sets of antennas to transmit data.
5. The wireless power transmitter of claim 1 , wherein the first or second AMBs are at least partially shielded with a shielding material.
6. A device comprising:
a first unit, the first unit comprising:
multiple antenna module boards (AMBs), wherein each AMB comprises:
multiple antennas,
wherein the multiple antennas are configured to transmit radio frequency (RF) power to a client; and
power circuitry coupled to the multiple antennas; and
wherein the multiple AMBs are arranged in a polygonal shape, and
wherein two or more adjacent facing AMBs have alternating polarizations such that at least a portion of RF power transmitted from an AMB is reflected from an adjacent facing AMB.
7. The device of claim 6 , wherein the polygonal shape is a star, and wherein the multiple antennas are on the exterior of the star shape and the power circuitry is on the interior of the star shape.
8. The device of claim 6 , further comprising:
a second unit,
wherein the second unit is identical to the first unit, and
wherein the second unit is stacked on top of the first unit.
9. The device of claim 6 , wherein at least one of the multiple AMB s has antennas polarized 180 degrees out of phase with other antennas.
10. A wireless power transmission system comprising:
a radio frequency (RF) transparent cylindrical housing;
multiple antenna module boards (AMBs) disposed within the housing,
wherein each AMB includes a plurality of antennas; and
control circuitry coupled to the multiple AMBs, the control circuitry configured to direct the antennas to transmit wireless power to a power receiver client;
wherein the multiple AMBs are positioned in a polygonal shape, and
wherein two or more adjacent facing AMBs have alternating polarizations such that at least a portion of energy transmitted from an AMB is reflected from an adjacent facing AMB.
11. The wireless power transmission system of claim 10 , wherein the polygonal shape comprises a multi-pointed star configuration.
12. The wireless power transmission system of claim 10 , wherein the plurality of antennas are located on one side of each of the multiple AMBs, and wherein the sides of the AMBs with antennas are positioned to face the exterior of the polygonal shape.
13. The wireless power transmission system of claim 10 , wherein the cylindrical housing has dimensions of between 10 and 18 inches in height, and between 6 and 12 inches in diameter.
14. The wireless power transmission system of claim 10 , wherein each of the multiple AMBs has a polarization for the plurality of antennas located thereon.
15. The wireless power transmission system of claim 10 , wherein the polarizations alternate between vertical and horizontal polarization.
16. The wireless power transmitter of claim 1 , wherein the first and second control circuit boards are situated on an interior of the star configuration.
17. The wireless power transmission system of claim 12 , wherein the control circuitry is located on an opposite side of each of the multiple AMBs, and wherein the sides of the AMBs with control circuitry are positioned to face the interior of the polygonal shape.