Optoelectronic input device, method for production of such a device, and method for measuring the movement of an object with the help of such a device.

光电输入设备，制造这种设备的方法，以及借助这种设备测量物体运动的方法。

youdao

Optoelectronic input device, method for production of such a device, and method for measuring the movement of an object with the help of such a device.

光电输入设备，制造这种设备的方法，以及借助这种设备测量物体运动的方法。

youdao