Patent ID: 11950038
Assignee: MERRY ELECTRONICS(SHENZHEN) CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A microphone front chamber structure adapted to be disposed on a front side of a voice reception hole of a microphone unit, the microphone front chamber structure comprising:
a shell having a first hole; and
a microphone holder disposed in the shell and having a second hole corresponding to the first hole, wherein the microphone holder is separated from the shell, the first hole and the second hole form a front chamber, the first hole has a first width at a position farthest away from the microphone holder, the second hole comprises a first section and a second section arranged along an axis, a ratio of the first width to a length of the front chamber on the axis is less than 1, the first section is located between the first hole and the second section on the axis, the first section has a width that is tapered along the axis in a direction away from the shell, the second section has a second width that is constant in the direction along the axis, and the first width is greater than the second width.