| 摘要 |
The invention provides a distance measuring apparatus for measuring distance to a target, having: a light emitter for emitting a measuring light; a light receiving system for receiving a reflected light reflected from the target and outputting a sensing signal; a comparator having a reference signal input terminal for receiving a reference signal, a sensing signal input terminal for receiving the sensing signal, and a comparison result signal output terminal for outputting a comparison result signal according to comparison results between the reference signal and the sensing signal; and a process and control module for providing the reference signal to the reference signal input terminal of the comparator and adjusting the reference signal according to the comparison signal. |
