Patent ID: 11936414
Assignee: nan
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  A  G | IPC A  G  H

Claim 0:
1. A MRI communication device comprising:
a control room communication module and a scan room communication module;
the scan room communication module comprises a receiver for delivering received first audio signals to a first air tube;
the control room communication module comprises a first sound device, through which the first audio signals are amplified and broadcast;
the control room communication module further comprises a second sound device, the scan room communication module further consists of an earphone, the second audio signals generated by the second sound device are transmitted to a second air tube, and then picked up by the earphone for broadcasting;
the first sound device comprises a microphone, a first amplifier and a first speaker, the first speaker, the first amplifier and the microphone are sequentially connected via wires;
the second sound device comprises a microphone, a second amplifier, a second speaker and a first acoustic wave concentrator, the first acoustic wave concentrator has a big end and a small end, the microphone, the second amplifier and the second speaker are successively connected via wires, the second speaker is disposed at the big end of the first acoustic wave concentrator, of which the small end is linked to the second air tube.