# US 2024/0201227 A1 · Method for determining the position of the cores of a twisted pair cable > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201227 A1 - Document ID: US20240201227A1 - Status: Published application - Kind: A1 - Application number: 18/544,294 - Filed: 2023-12-18 - Published: 2024-06-20 - Earliest claimed: 2022-12-16 - Assignees: Wieland Electric GmbH - Applicants: Wieland Electric GmbH - Inventors: Falko BILZ - Web page: https://patentgrep.com/patent/US20240201227A1 ## CPC - G01B 7/003: {for measuring position, not involving coordinate determination (coordinate measuring G01B7/004)} - G01R 15/18: using inductive devices, e.g. transformers - G01D 5/2066: {by movement of a single coil with respect to a single other coil} - G01R 15/20: using galvano-magnetic devices, e.g. Hall-effect devices {, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices} - H01B 11/02: Cables with twisted pairs or quads - G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) ## Abstract A method for determining the position of the cores of a twisted-pair cable is intended to allow twisted-pair cables to be connected using the piercing technique. For this purpose, at a plurality of points in a scanning region which is axially and/or azimuthally extended with respect to an axis of the twisted-pair cable, an inductive coupling between a first circuit arranged at each respective point and the twisted-pair cable as a second circuit is determined, and a position of the cores of the twisted-pair cable is determined on the basis of the values determined for the inductive coupling at the points. ## Claims ### Claim 1 A method for determining the position of the cores of a twisted-pair cable, comprising: determining, at a plurality of points in a scanning region which is axially and/or azimuthally extended with respect to an axis of the twisted-pair cable, an inductive coupling between a first circuit arranged at each respective point and the twisted-pair cable as a second circuit, and determining a position of the cores of the twisted-pair cable on the basis of the values determined for the inductive coupling at the points. ### Claim 2 (depends on 1) The method according to claim 1, wherein a radial position relative to the twisted-pair cable is determined, with respect to which the cores of the twisted-pair cable are arranged next to one another. ### Claim 3 (depends on 1) The method according to claim 1, wherein the determination of the inductive coupling at the points is carried out sequentially. ### Claim 4 (depends on 1) The method according to claim 1, wherein the inductive coupling at the points is determined in parallel. ### Claim 5 (depends on 1) The method according to claim 1, wherein the inductive coupling is determined by each first circuit being designed as a primary circuit and the second circuit being designed as a secondary circuit, or by the second circuit being designed as a primary circuit and each first circuit being designed as a secondary circuit, a current flow being caused in the primary circuit, and a current and/or voltage change induced thereby in the respective secondary circuit being measured. ### Claim 6 (depends on 4) The method according to claim 4 wherein each first circuit is designed as a primary circuit and the second circuit is designed as a secondary circuit, wherein a plurality of first circuits is provided and wherein the current flow caused in each primary circuit is an alternating current signal of different frequency and a comparison of the amplitudes of the frequency components takes place in the secondary circuit. ### Claim 7 (depends on 5) The method according to claim 5, wherein the current flow in the primary circuit is generated by connection to a current source or by induction. ### Claim 8 (depends on 5) The method according to claim 5, wherein the respective secondary circuit is designed as a magnetic field sensor, in particular as a magnetoresistive sensor, as a Hall sensor or as a fluxgate magnetometer. ### Claim 9 (depends on 1) The method according to claim 1, wherein each first circuit is designed as a coil. ### Claim 10 (depends on 9) The method according to claim 9, wherein the respective coil is aligned tangentially to the axis of the twisted-pair cable. ### Claim 11 (depends on 5) The method according to claim 5, wherein the current flow caused in the primary circuit is in the form of an asymmetrical alternating current signal. ### Claim 12 (depends on 1) A device for determining the position of the cores of a twisted-pair cable, comprising a number of first circuits, at least one current source and a coil or a magnetic field sensor, adapted for carrying out the method according to claim 1. ### Claim 13 (depends on 12) The device according to claim 12, comprising a display device on which a position of the cores in the area is displayed. ### Claim 14 (depends on 12) The device according to claim 12, comprising first communication means associated with the current source and second communication means associated with the coil or the magnetic field sensor, which are designed for data transmission between the first and second communication means by modulation of data signals on the twisted pair cable. ### Claim 15 (depends on 13) A system comprising a device according to claim 13, a device for piercing a twisted pair cable, and a carriage, the carriage having locking means on the twisted pair cable and positioning means, wherein the positioning means are adapted for arranging either the device according to claim 13 or the device for piercing a twisted-pair cable in a predefined position within the positioning means, and the display device comprises a target position indicator for determining a radial position relative to the twisted-pair cable with respect to which the cores of the twisted-pair cable are arranged side by side.