RF coil system for use in magnetic resonance imaging apparatus
US5144243A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1991 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Feb 13, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/3415
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An RF coil system, used for a magnetic resonance imaging apparatus and adapted to perform at least one of application of an excitation high-frequency magnetic field and detection of magnetic resonance signals, comprises a plurality of coil elements arranged at regularly spaced intervals without overlap therebetween, an RF circuit for putting at least one of the coil elements into an operative state or an inoperative state, a neutralizing circuit for neutralizing inductive coupling between the coil elements, a tuning circuit for tuning at least one of the coil elements to a given frequency, an adder circuit for adding an output signal of the tuning circuit and conductors for electrically connecting the coil elements, the RF circuit, the neutralizing circuit and the adder circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.