Application (patent)No.: CN200620 103 139. Date of application: April 28th, 2006.
Applicant (patentee): Qi;
Inventor (Designer): Qi
Address: 3 1546 1 15 No.65438, Dongyuan Road, Linshan Town, Yuyao City, Zhejiang Province
abstract:
The utility model relates to a smart pen for preventing myopia. Comprises an upper penholder and a lower penholder, wherein an infrared sensor component is arranged in the upper penholder; It also comprises a battery, a counterweight, a check lever and a check shaft, wherein a refill is arranged in the lower pen holder, a nib sleeve is sleeved at the lower end of the lower pen holder, a return spring is arranged between the refill sleeve and the lower pen holder, and the refill sleeve is sleeved inside. The infrared sensor assembly is connected with the electromagnetic coil. By controlling the electromagnetic coil on the backstop mechanical structure, the writing distance and posture are forcibly corrected, which effectively plays a role in preventing myopia.