Antenna element and antenna arrangement for magnetic resonance applications
US7268550B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2004 |
| Grant date | Sep 11, 2007 |
| Priority date | — |
| Expiry date | Jan 5, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/34046
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An antenna element for magnetic resonance applications has at least one sub-section that extends along a section axis and is adjacent to an auxiliary circuit. The antenna element has a coupling section and an auxiliary circuit section that is inductively coupled to the sub-section via the coupling section. The auxiliary circuit section extends parallel to the sub-section at a distance from the section axis. The auxiliary circuit has controllable tuning elements therein. Depending on their control state, a radio-frequency excitation current flowing in the sub-section causes, at respectively different times, each of a leading auxiliary current, or a lagging auxiliary current, or no auxiliary current to flow in the auxiliary current section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.