Patent · US Active

Midfield coupler

US9583980B2 · kind B2 · utility

4Cited by
151References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2016
Grant dateFeb 28, 2017
Priority date—
Expiry dateJul 1, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J2310/23
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Described herein are devices, systems, and methods for wireless power transfer utilizing a midfield source and implant. In one variation, a midfield source may be realized by a patterned metal plate composed of one of more subwavelength structures. These midfield sources may manipulate evanescent fields outside a material (e.g., tissue) to excite and control propagating fields inside the material (e.g., tissue) and thereby generate spatially confined and adaptive energy transport in the material (e.g., tissue). The energy may be received by an implanted device, which may be configured for one or more functions such as stimulation, sensing, or drug delivery.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.