| 摘要 |
PURPOSE: An opening/closing device of a camera lens is provided to enable the rotating angle of a rotating ring and the driving direction of a DC motor to be controlled since a sensor is arranged every rotating position of the rotating ring according to the opening/closing position of a barrier. CONSTITUTION: An opening/closing device of a camera lens comprises a motor base(110), a DC motor(120), a rotating ring(140), a power transfer unit(130), a sensor unit(150), a barrier base(160), a barrier(170) and a front cover(190). An opening is formed on the center of the motor base and a ring type of groove is formed around the opening on the upper part of the motor base. The DC motor is installed on one side of the motor base and makes normal/reverse rotation according to an electric control signal. A detecting bar is formed on one side of the rotating ring and the rotating ring is rotatably arranged on the motor base. The power transfer unit transfers the power of the DC motor to the rotating ring. |
