Magnetic resonance imaging pure hardware radio frequency pulse sequence generation and transmission system

By implementing the generation and transmission of radio frequency pulse sequences in a magnetic resonance imaging system using pure hardware circuitry, the safety hazards and timing accuracy issues under software control are resolved, achieving rapid response and high-safety radio frequency control.

CN122330784APending Publication Date: 2026-07-03陈立波
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
陈立波
Filing Date
2026-05-19
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

The existing magnetic resonance imaging system relies on software control for the generation and transmission of radio frequency pulse sequences, which poses safety risks, execution delays, and failure risks, and cannot meet the timing accuracy requirements.

Method used

The system uses pure hardware circuitry to generate and transmit radio frequency pulse sequences. The parameters are stored in a one-time programmable memory. Control signals are generated through a pure hardware timing state machine, and the system is equipped with multiple safety protection circuits to ensure system safety and response speed.

Benefits of technology

It achieves security without software tampering, fast response and high-precision radio frequency pulse control, avoids safety accidents and improves the reliability and security of the system.

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Abstract

This invention discloses a pure hardware radio frequency pulse sequence generation and transmission system for magnetic resonance imaging (MRI), belonging to the field of medical device technology. The core functions of this system are implemented entirely by hardware circuitry, without relying on any software execution unit. It includes a one-time programmable memory containing pulse sequence parameters and a pure hardware timing state machine that generates radio frequency control signals based on the pulse sequence parameters. All safety thresholds are permanently stored in the one-time programmable memory at the factory and cannot be modified during operation. This invention effectively solves the security vulnerabilities and response delays inherent in software control in existing MRI systems, improving the system's security and reliability.
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