Patent ID: 8128018

Claim:
An automatic sensing and outputting device, comprising: a base, having a longitudinal rod extending from an upper side thereof; a shell, disposed on the base, the shell being parallel to an orientation of the longitudinal rod, the shell defines a receiving space therein, the shell having an opening disposed in a direction parallel to its length, the opening communicating with the receiving space; a cover, pivoted at one of its ends on the shell, the cover being swayable between a first position and a second position, the cover enveloping the opening as the cover locates at the first positon, the cover having an arc surface facing the opening; a roller unit, rotatably disposed in the receiving space and having an axis parallel to the lengthy direction of the shell, a part of the roller unit being protrusive from the opening; a rotating means to rotate the roller unit; wherein the arc surface and the roller unit are adapted to clamp a sheet-like object therebetween as the cover locates at the first position; wherein at least an anti-convolving unit is laterally disposed on the shell to divide the opening into several windows; wherein the roller unit comprising an axle and several skidproofing sleeves, the skidproofing sleeves are spaced sleeved on the axle, the anti-convolving unit locates between two adjacent skidproofing sleeves, the skidproofing sleeves protrude from the windows.