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

Claim 1:
2. The MRI communication device according to claim 1, wherein the earphone includes a left-ear cover, a right-ear cover and a tee connector; a left-ear voice output port and a right-ear voice output port are respectively arranged in the left-ear cover and the right-ear cover; the tee connector comprises an input port, a first output port and a second output port; the left-ear voice output port and the right-ear voice output port respectively passes through the left-ear air tube and the right-ear air tube and connects with the first output port and the second output port of the tee connector, the input port therein is linked to the second air tube;
a receiver comprises a sound collector, a second acoustic wave concentrator, a transmission arm and a cross connector, wherein the second acoustic wave concentrator has a big end and a small end; the cross connector, including a first interface and a second interface, is disposed in the left-ear cover; the sound collector has a diaphragm configured thereon; the diaphragm is located at the big end of the second acoustic wave concentrator, and the small end, via a third air tube, joins to the first interface of the cross connector, the second interface therein is linked to the first air tube; the third air tube is disposed in the transmission arm.