US 12,292,568 B2
Light spot scanning device, scanning method thereof, and medical cosmetology device
Lichen Sun, Xi'an (CN); Lili Wang, Xi'an (CN); Hongtao Chong, Xi'an (CN); Xiaobo Liu, Xi'an (CN); Pei Wu, Xi'an (CN); and Kai Yang, Xi'an (CN)
Assigned to FOCUSLIGHT TECHNOLOGIES INC., Xi'an (CN)
Filed by FOCUSLIGHT TECHNOLOGIES INC., Xi'an (CN)
Filed on Dec. 8, 2021, as Appl. No. 17/545,394.
Prior Publication US 2023/0176360 A1, Jun. 8, 2023
Int. Cl. G02B 26/10 (2006.01); G02B 26/08 (2006.01); G02B 27/30 (2006.01)
CPC G02B 26/10 (2013.01) [G02B 26/0816 (2013.01); G02B 27/30 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A light spot scanning device, comprising a laser, and a collimating lens and a reflector arranged in sequence along an optical path transmission direction of the laser, wherein the reflector is further connected with a driving member, and a laser beam emitted by the laser forms a linear light spot through the collimating lens, the reflector is continuously rotated according to a preset path, driven by the driving member, and a plurality of linear light spots formed by continuous rotation are sequentially overlapped on a light exiting side of the reflector, so as to form a scanning linear light spot; wherein the light spot scanning device further comprises a pulse power supply electrically connected to the laser, and the pulse power supply is configured to provide a pulse current between laser beam outputs; wherein the light spot scanning device further comprises a controller electrically connected to the pulse power supply and the driving element, respectively; wherein when the pulse power supply outputs a low-level signal, the controller controls the driving member to start working for a preset stroke.