Patent ID: 11884535
Assignee: XMEMS LABS, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC B  H | IPC B  H

Claim 22:
23. The device of claim 8,
wherein when the device operates in a first mode, the first membrane portion and the second membrane portion move in opposite directions and the vent has a first opening width;
wherein when the device operates in a second mode, the first membrane portion and the second membrane portion remain at a flat position and the vent has a second opening width;
wherein when the device operates in a third mode, the first membrane portion and the second membrane portion hang down and below the flat position and the vent has a third opening width;
wherein the first opening width is larger than the second opening width and the third opening width;
wherein the second opening width is narrower than the third opening width.