Opto-isolator circuitry for magnetic resonance imaging applications
US12130345B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 13, 2023 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Sep 13, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/3692
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure provides techniques for using opto-isolator circuitry to control switching circuitry configured to be coupled to a radio-frequency (RF) coil of a magnetic resonance imaging (MRI) system. In some embodiments, opto-isolator circuitry described herein may be configured to galvanically isolate switch controllers of the MRI system from the switching circuitry and/or provide feedback across an isolation barrier. Some embodiments provide an apparatus including switching circuitry configured to be coupled to an RF coil of an MRI system and a drive circuit that includes opto-isolator circuitry configured to control the switching circuitry. Some embodiments provide an MRI system that includes an RF coil configured to, when operated, transmit and/or receive RF signals to and/or from a field of view of the MRI system, switching circuitry coupled to the RF coil, and a drive circuit that includes opto-isolator circuitry configured to control the switching circuitry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.