IQ matching circuit for contact lens radio receiver
US11709378B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 2021 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Dec 9, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C11/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electronic contact lens. In some embodiments, the electronic contact lens includes a radio antenna and radio receiver contained within the contact lens, the receiver comprising antenna impedance matching and in-phase and quadrature signal generation such that signals from the antenna are projected into in-phase and quadrature components before mixing with a local oscillator signal in the receiver. The electronic contact lens may further include electronic circuits contained within the contact lens, the electronic circuits receiving data from the radio receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.