Device and method for measuring specific absorption rate of electromagnetic waves in models of human bodies
US5610519A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1995 |
| Grant date | Mar 11, 1997 |
| Priority date | — |
| Expiry date | Sep 19, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R29/0814
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The device disclosed is for measuring a Specific Absorption Rate (SAR) in a human body exposed to electromagnetic fields radiating from an antenna, and is constituted by a phantom (a model of the human body) and a probe structure. The phantom has equivalent electric constant of permittivity and permeability as those of a human body. The probe structure has a combination of first and second loop probes orthogonal to each other, and is arranged such that the second loop probe receives only a magnetic field that has been reflected from a surface of the phantom. Thus, the magnetic field radiating from the antenna and the magnetic field reflected from a surface of the phantom are distinguished from each other. The reflected magnetic field is corrected and the SAR can be accurately measured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.