| Patent Number |
Title Of Patent |
Date Issued |
| 7555654 |
Apparatus, transponder, computer program product and method for enabling an active part of a com |
June 30, 2009 |
| A computer program product has a check routine and an active part. When the computer program product is called, a computer, while processing the check routine, initiates a transmitter to send a launch signal. A transponder receives this signal, checks whether a time-dependent and/or |
| 7522952 |
Combined positron emission tomography and magnetic resonance tomography unit |
April 21, 2009 |
| A combined PET/MRI tomography unit has a PET unit with a unit part assigned to the examination space, and a first evaluation unit for evaluating the PET electric signals. The unit part has a gamma ray detector. The combined unit has an MRI unit and a second evaluation unit for evalua |
| 7518368 |
Device and method for optical transmission of magnetic resonance signals in magnetic resonance s |
April 14, 2009 |
| In a transmission device for use in magnetic resonance systems for transmitting magnetic resonance signals from a number of local coils to an evaluation device, the signals are transmitted as optical signals in an optical conductor between a first transmitter-side transducer that tra |
| 7463030 |
HIFU-compatible reception coil for MRI RF signals and signal receiving method |
December 9, 2008 |
| A HIFU compatible receiving coil for MRI radio-frequency signals has an antenna and an amplifier connected to each other, each for receiving and amplifying MRI radio-frequency signals, and a filter positioned in front of the amplifier for filtering the HIFU low frequency signals received |
| 7323874 |
Combined positron emission tomography and magnetic resonance tomography unit |
January 29, 2008 |
| A positron emission tomography unit (PET), having a unit part assigned to an examination space and a first evaluation unit, is combined with a magnetic resonance tomography unit (MRT). The unit part of the PRT includes at least two gamma ray detector units with in each case an assign |
| 7233145 |
Method for magnetic resonance imaging with correction for fluctuations in the tramsission field |
June 19, 2007 |
| In a method for magnetic resonance imaging, whereby magnetic resonance signals in a region of interest of an examination subject are generated in an examination by applying radio-frequency pulses of a first transmission field strength and the magnetic resonance signals are acquired i |
| 6927573 |
Method to correct the B1 field in MR measurements and MR apparatus for implementing the method |
August 9, 2005 |
| In a method and magnetic resonance examination apparatus wherein the field strength of radio-frequency pulses emitted by an antenna of the magnetic apparatus, the current flowing in the antenna upon the emission of the radio-frequency pulses is regulated by a predetermined nominal value |
| 6906520 |
Method for communicating a magnetic resonance signal, and reception arrangement and magnetic res |
June 14, 2005 |
| In a communication method for a magnetic resonance signal and a reception arrangement and magnetic resonance system corresponding therewith, a non-linear reactance is supplied with a magnetic resonance signal by a magnetic resonance reception antenna and with auxiliary energy by an a |
| 6850206 |
Local radio-frequency antenna for a magnetic resonance apparatus |
February 1, 2005 |
| A local radio-frequency antenna for a magnetic resonance apparatus is fashioned for a region to be imaged in an edge region of and/or outside an imaging volume of the magnetic resonance apparatus, and the radio-frequency antenna has a passive shim device. |
| 6842003 |
Radio-frequency antenna for a magnetic resonance system |
January 11, 2005 |
| A radio-frequency antenna has two end rings and a number of antenna rods that form a birdcage resonator. A coupling element couples high-frequency electromagnetic energy into the resonator in the transmission mode and out therefrom in the reception mode. The coupling element is fashioned |
| 6822445 |
Method and device for transmitting a magnetic resonance signal |
November 23, 2004 |
| A magnetic resonance signal is compressed, so that high signal values are over-proportionally reduced, and is then supplied to an analog-to-digital converter wherein it is digitized. After transmission to reception device, the magnetic resonance signal is expanded, so that high signal va |
| 6806710 |
Magnetic resonance antenna |
October 19, 2004 |
| A magnetic resonance antenna has at least five antenna elements, each of, which extends essentially radially from an inner element beginning to at least one outer element end with respect to a center axis. The antenna elements are at least magnetically coupled with one another. |
| 6791322 |
Method and apparatus for transmission and reception of an analog magnetic resonance signal |
September 14, 2004 |
| In a reception coil, a carrier signal is frequency-modulated around a carrier frequency with a modulation signal corresponding to an analog magnetic resonance signal. The frequency-modulated carrier signal is wirelessly transmitted from the reception coil to a reception circuit that |
| 6768302 |
Magnetic resonance signal evaluation method and apparatus using combinations of simultaneously r |
July 27, 2004 |
| A number of antenna elements of an antenna array for a magnetic resonance system supply respective reception signals from a reception volume. The reception signals are combined with one another in a basic combination and in a number of auxiliary combinations that are orthogonal to one an |
| 6747453 |
Planar, circular RF antenna for open MR systems |
June 8, 2004 |
| A circular, planar radio-frequency antenna for open MR devices has two spaced systems composed of planar conductors arranged on a carrier plate for currents that cross one another and that are capacitively shortened by tuning capacitors applied to ground at at least one end for tuning to |
| 6714093 |
Dynamics compressor for an analog signal to be compressed |
March 30, 2004 |
| In a dynamics compressor, an analog signal to be compressed is supplied to a first amplifier stage as an input signal, and the output signal thereof is supplied to the next amplifier stage as an input signal, and so on for a number of successive amplifier stages. Each amplifier stage amp |
| 6590395 |
Connector device for a sensor or actuator |
July 8, 2003 |
| A connector device for a sensor or actuator is composed of two terminal elements releasably connected to one another. A first of these terminal elements including a first electrical conductor that is connected to the sensor or actuator and a second of these terminal elements including a |
| 6492817 |
Electrical conductor arrangement |
December 10, 2002 |
| An electrical conductor arrangement has conductor meshes that are arranged in areas with limiting lines defined by a network structure, and into which control devices are connected for the control of currents within the conductor arrangement. |
| 6339717 |
Medical examination system, particularly a magnetic resonance system |
January 15, 2002 |
| A medical examination system, particularly a magnetic resonance system, has a host computer unit, a control computer unit and an image computer unit. The control computer unit is realized in the form of at least one insert card that is arranged in a commercially obtainable personal compu |
