| 6131396 |
Heat radiation shield, and dewar employing same |
Markus Vester |
2000-10-17 |
| 5969526 |
Transmission/reception arrangement for a diagnostic magnetic resonance apparatus |
— |
1999-10-19 |
| 5699802 |
Mammography antenna arrangement for NMR examinations of a female breast |
— |
1997-12-23 |
| 5663646 |
Head antenna for nuclear magnetic resonance examinations |
Rainer Kuth, Michael Knauth, Rainer Wirtz, Reiner Henkelmann, Rudolf Moder |
1997-09-02 |
| 5606259 |
Adaptable antenna for a magnetic resonance apparatus including a wiper contact for varying the size of the antenna without frequency change |
Andreas Potthast |
1997-02-25 |
| 5602557 |
Mammography antenna arrangement for NMR examinations of a female breast |
— |
1997-02-11 |
| 5574372 |
Diagnostic magnetic resonance apparatus having a radio frequency shield between the radio frequency antenna and the gradient coil system |
Michael Moritz, Ralph Oppelt |
1996-11-12 |
| 5523689 |
Radio-frequency antenna for a magnetic resonance apparatus |
Ralph Oppelt |
1996-06-04 |
| 5467017 |
Antenna arrangement for a nuclear magnetic resonance apparatus |
Norihiko Mikoshiba, Yutaka Watanabe |
1995-11-14 |
| 5332990 |
High-frequency safety fuse |
Gerhard Temmel |
1994-07-26 |
| 5294886 |
Antenna system for a magnetic resonance imaging tomography apparatus |
— |
1994-03-15 |
| 5258718 |
Nuclear magnetic resonance tomography apparatus |
— |
1993-11-02 |
| 5153517 |
Surface resonator for a magnetic resonance imaging apparatus |
Ralph Oppelt, Horst Siebold |
1992-10-06 |
| 5144241 |
Circularly polarizing RF antenna for an MRI apparatus having a C-magnet |
Ralph Oppelt, Horst Siebold |
1992-09-01 |
| 5128615 |
Resonator for a magnetic resonance imaging apparatus |
Ralph Oppelt, Horst Siebold |
1992-07-07 |
| 5107217 |
Radio frequency antenna for a nuclear magnetic resonance tomography apparatus |
— |
1992-04-21 |
| 4922204 |
Arrangement for operating a symmetrical radio-frequency antenna in a nuclear magnetic resonance tomography apparatus |
Ralph Oppelt |
1990-05-01 |
| 4920522 |
Method and apparatus for measuring electrical or magnetic fields |
Ralph Oppelt |
1990-04-24 |
| 4841249 |
Truncated cone shaped surface resonator for nuclear magnetic resonance tomography |
Hartwig Ingwersen, Norbert Krause, Ralph Oppelt |
1989-06-20 |
| 4725782 |
Antenna structure for exciting and/or receiving RF fields in an NMR tomography apparatus |
Ralph Oppelt |
1988-02-16 |