Patents by Inventor Ulrich Von Knobloch

Ulrich Von Knobloch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Magnetic resonance system with radio-frequency shield with frequency-dependent shielding effect
    Patent number: 7642780
    Abstract: A magnetic resonance system has a basic magnet that generates a static basic magnetic field in an examination volume, and a whole-body antenna that emits a homogeneous radio-frequency field in the examination volume, the homogeneous radio-frequency field exhibiting an excitation frequency so that nuclei in an examination subject in the examination volume are excited to emit magnetic resonance signals, and a radio-frequency shield. The radio-frequency shield is arranged between the whole-body antenna and the basic magnet. The whole-body antenna is arranged between the radio-frequency shield and the examination volume. The radio-frequency shield is fashioned to exhibit a high shielding effect in a shielding frequency range that encompasses the excitation frequency. The shielding effect drops to a significantly lower shielding effect on both sides at side bands adjoining the shielding frequency range.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: January 5, 2010
    Assignees: Siemens Aktiengesellschaft, Friedrich-Alexander-Universitat Erlangen-Nurnberg
    Inventors: Dirk Diehl, Wolfgang Renz, Lorenz-Peter Schmidt, Ulrich Von Knobloch
  • MAGNETIC RESONANCE SYSTEM WITH RADIO-FREQUENCY SHIELD WITH FREQUENCY-DEPENDENT SHIELDING EFFECT
    Publication number: 20080231276
    Abstract: A magnetic resonance system has a basic magnet that generates a static basic magnetic field in an examination volume, and a whole-body antenna that emits a homogeneous radio-frequency field in the examination volume, the homogeneous radio-frequency field exhibiting an excitation frequency so that nuclei in an examination subject in the examination volume are excited to emit magnetic resonance signals, and a radio-frequency shield. The radio-frequency shield is arranged between the whole-body antenna and the basic magnet. The whole-body antenna is arranged between the radio-frequency shield and the examination volume. The radio-frequency shield is fashioned to exhibit a high shielding effect in a shielding frequency range that encompasses the excitation frequency. The shielding effect drops to a significantly lower shielding effect on both sides at side bands adjoining the shielding frequency range.
    Type: Application
    Filed: March 21, 2008
    Publication date: September 25, 2008
    Inventors: Dirk Diehl, Wolfgang Renz, Lorenz-Peter Schmidt, Ulrich Von Knobloch