Deviser: I Promise Thi Yen and Nguyen Thi Hoang Linh

- Address: The Run Secondary School, Duong Minh Chau District, Tay Ninh

- Technology and equipment description:

Paten creation be started from a physics class at school. As good students at school so after completing the circuit component assembly class, both Thi and Linh  immediately thought of having to make something from what they have learned. At this time, the school Union team also received notification of the Government Youth Union launched The Youth Creation contest. So Thi  and Linh decided to join the contest.

Petent helps protect the stranger who  arbitrarily gate openings, thereby helps limiting theft in school. Operation of patent is electric lock for opening and closing electric circuits designed on the entrance door of the school, when door closed, the electric lock to open  (power off), the circuit having no power supply and can not be audible alarm calls and two LEDs lamp in gate are not turn off. Conversely, when the door opened, the electric lock closed (power on), circuit having power supply and having a sound alarm, two LEDs on the gate will turn on, helps easily detect strangers. After sending patent to  contest, nearly a month after the pupils received little fun, although they just got encouraged award but there is also great fun for 2 "innovators" who tried them selves at large contest for youth.

The patent has  won award at the 7 th Nationa Creative Youth Children and got the Certificate of Award.

- Field application: Electricity – Electronics, Security

Sources: NASATI (According to techmartvietnam.vn,)