| 摘要 |
<p>A photoelectric code lock system includes an electric lock (3) provided inside a door board, a photoelectric coded key (1) sending password information in a flashing way and a decoding unit (2) arranged inside the door board and connected to the electric lock (3). The decoding unit (2) receives optical signal from the photoelectric key via a hole (4) preset on the door board and converts the optical signal into an electric signal, then analyzes coded information from the electric signal and controls the electric lock (3) to unlock when the coded information is detected to be as same as pre-stored coded information.</p> |
