Device for non-contacting transmission of electrical signals in a computed tomography system

US7760851B2 · kind B2 · utility

Assignees

• Siemens Aktiengesellschaft · DE
• SCHLEIFRING UND APPARATEBAU GMBH · DE

Inventors

• Mario Festag · Berlin, DE
• Stefan Popescu · Erlangen, DE
• Herbert Weithmann · Munich, DE

Key dates

• Filing date: Feb 27, 2009
• Grant date: Jul 20, 2010
• Expiry date: Feb 27, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B6/56
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In a device for contact-free transmission of electrical signals between two gantry parts of a computed tomography system that rotate relative to one another, at least one annular, circumferential transmitter element is mounted on one gantry part to transmit the electrical signals, and at least one receiver element to receive the signals emitted by the transmitter element is mounted on the other gantry part. The transmitter element is formed by a single conductor running on a surface, this conductor representing an electrical reference ground (zero potential). At least one dielectric immediately follows on the surface, and multiple conductive conductor structure pairs are executed in two mirror-image parts and are mounted on the at least one dielectric. The separation of conductor structures arranged at the edge from the edge of the surface of the reference ground has a magnitude that both amounts to at least 10 mm and corresponds to at least half of the distance from the two conductor structures arranged in a mirror image at the edge, to the nearest conductor structure.