Wireless energy transfer in a multipath environment
US10530190B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2019 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Feb 15, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q3/40
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for wireless energy transfer in a multipath environment includes transmitting a first energy beam with a first one of a plurality of Power Access Points (PAPs). A second energy beam is transmitted with a second PAP. A reflected beam is formed by the first energy beam reflecting from a reflective surface, wherein the first energy beam constructively interferes with the second energy beam and the reflected beam to form at least one energy bubble. A location of the at least one energy bubble is changed with a control module by adjusting a relative phase between the first energy beam and the second energy beam, wherein the location is sequentially changed to a new location to cover a space including at least one energizable device, and the energy bubble comprises an energy level enabling the energizable device to transmit a reply signal to the first PAP.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.