Radio frequency radiation shield device
US10681555B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2018 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Oct 5, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/77
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A radio frequency radiation shield device may comprise a receiver for detecting a near field radio frequency signal. The receiver may include one or more receiving antennas for target frequencies. The shield device may further comprise a signal processor that samples signal characteristics of a detected signal and determines a nullifying signal in response to detecting a signal characteristic of the detected signal on a receiving antenna meets a trigger threshold. The nullifying signal may comprise a modulated version of the detected signal. The shield device may further comprise a signaler for generating the nullifying signal. The shield device may further comprise a transmitter. The transmitter may include a transmitting antenna at target frequencies for transmitting the nullifying signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.