| 摘要 |
PURPOSE: An automatic ballpoint pen is provided to enable a user to use the ballpoint pen automatically right after grabbing the pen, and to secure the convenience of the ballpoint pen. CONSTITUTION: An automatic ballpoint pen comprises the following: a body temperature recognition sensor; and a module automatically turning off the sensor. The body temperature recognition sensor is installed in the inside of the ballpoint pen for a user to automatically use the ballpoint pen. The body temperature recognition sensor senses the absence of the hand of a user and turns off the ballpoint pen after a pre-fixed time. |
