Issued Patents All Time
Showing 176–200 of 205 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6714093 | Dynamics compressor for an analog signal to be compressed | Ralph Oppelt | 2004-03-30 |
| 6704589 | Method and device for recording an image of an object surface using focussed radiation | Ralph Oppelt | 2004-03-09 |
| 6590395 | Connector device for a sensor or actuator | Arne Reykowski | 2003-07-08 |
| 6531870 | Magnetic resonance apparatus with a gradient coil system and an electrically conductive structure | Oliver Heid | 2003-03-11 |
| 6492817 | Electrical conductor arrangement | Matthias Gebhardt, Ralph Oppelt | 2002-12-10 |
| 6351124 | Antenna system for the reception of magnetic resonance signals | Ludwig Kreischer, Jianmin Wang, Wolfgang Renz | 2002-02-26 |
| 6339717 | Medical examination system, particularly a magnetic resonance system | Rudi Baumgartl, Robert Krieg, Georg Pirkl | 2002-01-15 |
| 6304085 | Auxiliary apparatus for a magnetic resonance tomography apparatus control unit | Rainer Kuth | 2001-10-16 |
| 6297637 | High-frequency receiver, particularly for a nuclear magnetic resonance apparatus | Peter Feld, Horst Kroeckel | 2001-10-02 |
| 6285305 | Analog-to-digital converter circuit | Peter Feld, Horst Kroeckel | 2001-09-04 |
| 6281755 | High-frequency power amplifier | Peter Feld, Horst Kroeckel | 2001-08-28 |
| 6195031 | Analog-to-digital converter with level converter and level recognition unit and correction memory | Peter Feld, Horst Kroeckel | 2001-02-27 |
| 6160453 | High-frequency power amplifier | Peter Feld, Horst Kroeckel | 2000-12-12 |
| 6157193 | MR imaging system with electrically insulated coil element | Wolfgang Renz | 2000-12-05 |
| 6131396 | Heat radiation shield, and dewar employing same | Wilhelm Duerr | 2000-10-17 |
| 5969568 | Power output element of an amplifier/transmitter | — | 1999-10-19 |
| 5913888 | Antenna device having at least one cooled antenna | Florian Steinmeyer | 1999-06-22 |
| 5777475 | Automatic impedance adapter for a H.F. emitter or receiver in a nuclear spin tomography installation and process for operating the device | — | 1998-07-07 |
| 5609154 | Duplexer including a variable capacitance diode for an ultrasound imaging system | Ralph Oppelt | 1997-03-11 |
| 5603324 | Duplexer including a field-effect transistor for use in an ultrasound imaging system | Ralph Oppelt | 1997-02-18 |
| 5473252 | High-frequency apparatus for nuclear spin tomography | Wolfgang Renz | 1995-12-05 |
| 5230090 | Transmission-reception separating filter with a PIN diode | Klaus Zametzer | 1993-07-20 |
| 5220679 | Transmission-reception diplexer having a diode RF switch | Klaus Zametzer | 1993-06-15 |
| 5208537 | Method for matching antennas in a nuclear magnetic resonance imaging apparatus | Norbert Rietsch, Horst Kroeckel | 1993-05-04 |
| 5200703 | Anti-interference filter for a gradient coil in a nuclear magnetic resonance imaging apparatus | Walter Popp, Karl-Ulrich Erlenkamp, Peter Feld, Norbert Rietsch | 1993-04-06 |