Data transmission system for computed tomography scanners with a waveguide

The data transmission system in computed tomography scanners uses a circular waveguide with optimized dimensions and mode-selective signal injection to achieve high data rates and improved signal quality, addressing mechanical and signal limitations in existing systems.

DE102024002510B4Active Publication Date: 2026-04-30VENTURETEC ROTATING SYST GMBH
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Patent Information

Application Number
DE102024002510
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2026-04-30
Estimated Expiration
2044-07-25

AI Technical Summary

Technical Problem

Existing data transmission systems in computed tomography scanners are limited to low data rates and suffer from significant mechanical and signal quality issues, particularly in rotating systems, with traditional waveguide systems offering limited bandwidth and high insertion loss.

Method used

A data transmission system using a circular waveguide with optimized dimensions and mode-selective signal injection, incorporating ribs to minimize leakage losses and a control unit for signal adjustment, enabling high-frequency signal transmission with reduced dispersion and multipath propagation.

Benefits of technology

The system achieves data transmission rates of several hundred Gbit/s with improved signal quality and mechanical integration into computed tomography scanners, minimizing mechanical effort and maintaining consistent signal integrity.

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Abstract

Device for transmitting data between a rotor (102) and a stator (103) wherein the rotor (102) has at least one data source (4), and wherein the stator (103) comprises at least one data sink (9) for evaluating the data, wherein at least one transmitter (7) and a waveguide (101) fed by the rotor (102) is provided and the transmitter (7) is designed to receive data from the data source (4) and to convert this data into an electromagnetic signal in the split waveguide (101); wherein at least one receiver (8) is provided on the side of the stator (103) which is designed to receive the electromagnetic signal from the split waveguide (101); wherein the receiver (8) is designed to convert the electromagnetic signal for transmission to the data sink (9); and wherein the split waveguide (101) is divided into two parts which are arranged at a small distance from each other around a central axis of rotation and which in cross-section has at least one web (105) extending along the longitudinal direction of the waveguide (101) and parallel to the axis of rotation.
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