# US 11,307,273 B2 · Line with sensor for detecting line-conducted interference in a magnetic resonance tomography apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,273 B2 - Document ID: US11307273B2 - Status: Granted - Kind: B2 - Application number: 17/039,278 - Filed: 2020-09-30 - Published: 2021-04-08 - Granted: 2022-04-19 - Earliest claimed: 2019-10-02 - Assignees: Siemens Healthcare GmbH - Applicants: Siemens Healthcare GmbH - Inventors: Stephan Biber; Markus Vester - Web page: https://patentgrep.com/patent/US11307273B2 ## CPC - G01R 33/34053: {Solenoid coils; Toroidal coils} - G01R 33/36: Electrical details, e.g. matching or coupling of the coil to the receiver - G01R 33/543: {Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription (G01R33/546 takes precedence)} - G01R 33/3685: {Means for reducing sheath currents, e.g. RF traps, baluns} - G01R 33/5659: {caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field (G01R33/56509, G01R33/56518, G01R33/56536 take precedence)} - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) ## Abstract A line for an electrical connection in a magnetic resonance tomography apparatus and a magnetic resonance tomography apparatus with a corresponding line are provided. The line includes an electrical interference conductor that may pick up an electromagnetic interference signal from an environment and/or irradiate the electromagnetic interference signal into the environment. The line also includes a sensor that is electrically and/or magnetically coupled to the interference line. ## Claims ### Claim 1 A line for an electrical connection in a magnetic resonance tomography apparatus with a connector to the magnetic resonance tomography apparatus, the line comprising: a conductor configured to pick up an electromagnetic interference signal from an environment, irradiate the electromagnetic interference signal into the environment, or a combination thereof; a sensor that is electrically, magnetically, or electrically and magnetically coupled to the conductor; and a signal connection configured to provide the electromagnetic interference signal picked up by the sensor at the connector to the magnetic resonance tomography apparatus for processing. ### Claim 2 (depends on 1) The line of claim 1, wherein the sensor comprises a coil configured for inductive coupling to the conductor. ### Claim 3 (depends on 2) The line of claim 2, wherein the conductor passes through an area enclosed by the coil. ### Claim 4 (depends on 3) The line of claim 3, wherein the coil is a toroidal coil that encloses the conductor. ### Claim 5 (depends on 1) The line of claim 1, wherein the sensor comprises a capacitive coupling element configured for coupling to the conductor. ### Claim 6 (depends on 1) The line of claim 1, wherein the sensor comprises a directional coupler. ### Claim 7 (depends on 1) The line of claim 1, wherein the sensor resonates at a Larmor frequency of the magnetic resonance tomography apparatus. ### Claim 8 (depends on 1) The line of claim 1, wherein the sensor is protected against an excitation pulse of the magnetic resonance tomography apparatus. ### Claim 9 A magnetic resonance tomography apparatus comprising: a line for an electrical connection in the magnetic resonance tomography apparatus with a connector to the magnetic resonance tomography apparatus, the line comprising: a conductor configured to pick up an electromagnetic interference signal from an environment, irradiate the electromagnetic interference signal into the environment, or a combination thereof; a sensor that is electrically, magnetically, or electrically and magnetically coupled to the conductor; and a signal connection configured to provide the electromagnetic interference signal picked up by the sensor at the connector to the magnetic resonance tomography apparatus for processing; and a control system configured to generate magnetic resonance imaging from received magnetic resonance signals in dependence on the electrical interference signal picked up by the sensor. ### Claim 10 (depends on 9) The magnetic resonance tomography apparatus of claim 9, wherein the sensor is arranged adjacent to a patient tunnel. ### Claim 11 (depends on 9) The magnetic resonance tomography apparatus of claim 9, wherein the sensor comprises a coil configured for inductive coupling to the conductor. ### Claim 12 (depends on 11) The magnetic resonance tomography apparatus of claim 11, wherein the conductor passes through an area enclosed by the coil. ### Claim 13 (depends on 12) The magnetic resonance tomography apparatus of claim 12, wherein the coil is a toroidal coil that encloses the conductor. ### Claim 14 (depends on 9) The magnetic resonance tomography apparatus of claim 9, wherein the sensor comprises a capacitive coupling element configured for coupling to the conductor. ### Claim 15 (depends on 9) The magnetic resonance tomography apparatus of claim 9, wherein the sensor comprises a directional coupler. ### Claim 16 (depends on 9) The magnetic resonance tomography apparatus of claim 9, wherein the sensor resonates at a Larmor frequency of the magnetic resonance tomography apparatus. ### Claim 17 (depends on 9) The magnetic resonance tomography apparatus of claim 9, wherein the sensor is protected against an excitation pulse of the magnetic resonance tomography apparatus.