Patent ID: 9600043
Date: 2017-03-21
CPC Classifications: G06F,H05K

Claim:
1. A signal input device, comprising: a casing comprising at least one air-intake hole, and an accommodating space being formed inside the casing; an input body; a support component supporting the input body; wherein a chamber is formed inside the support component and comprises a first through hole and a second through hole, the first through hole is in fluid communication with an outside; wherein the support component comprises a first surface and a second surface which are opposite to each other, the first surface comprises a first protruding part and a first recess part, the second surface comprises a second protruding part and a second recess part, the first protruding part is parallel to the second recess part, and the first recess part is parallel to the second protruding part; wherein the first protruding part, the second recess part, the first recess part and the second protruding part are arranged radially; and wherein both the cross-sectional surfaces of the first protruding part and the second protruding part are rectangles, a length of each rectangle is between 2 millimeters and 5 millimeters, and a width of each rectangle is between 0.3 millimeters and 0.5 millimeters.