Patent ID: 8894206

Claim:
A diagnostic equipment having an auto-focusing function, comprising: a image detection device comprising a first light source and a first photo detector, the first light source providing a first incident light, the first incident light incident to an object and becoming a first signal light, the first photo detector used for receiving the first signal light; a first scanning device for adjusting a path of the first incident light and to scan the object; a mobile optical lens assembly having a lens and a mobile platform for carrying the lens; a focusing detection device comprising: a second photo detector used for detecting a second signal light reflected by the object, wherein the second signal light is a defocus signal; a focusing error produce assembly disposed between the second photo detector and the mobile optical lens assembly; and a controlling unit being electrical connected to the second photo detector and the mobile platform to control a movement of the mobile platform and adjust a focusing position of the first incident light according to an electric signal converted by the second signal light; and a first splitter assembly used for transmitting the first signal light to the first photo detector and transmitting the second signal light to the second photo detector.