Steered-electron electric-field (SEEF) sensor program
US9182454B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | May 10, 2012 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Sep 11, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/0213
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Improved electric field (steered-electron electric-field, or SEEF) sensors and methods of manufacturing the same are provided. The SEEF sensors described herein may have increased sensitivity to low-frequency electric fields while being smaller than previously known sensors, and may allow for low-power electric field detection. The invention described herein allows for sensitive, long-term electric field monitoring for applications ranging from personnel detection to underground facility monitoring, as well as extraordinarily small vector sensing (full Poynting vector) for compact direction-finding of emitters of interest. Exemplary electric field sensors may accurately sense, measure, characterize and/or transmit electric field data over a wide frequency range. Importantly, such sensing, measuring, and/or characterizing do not require any physical or resistive contact between the sensor and a source of an electric field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.