US 12,345,503 B2
Automatic light-adjusting structure for red dot sight
Wenjie Li, Guangzhou (CN); and Xi Wang, Guangzhou (CN)
Assigned to Syswit Optoelectronics Technology Co., Ltd., Guangzhou (CN)
Filed by Syswit Optoelectronics Technology Co., Ltd., Guangzhou (CN)
Filed on Dec. 6, 2023, as Appl. No. 18/530,647.
Claims priority of application No. 202311174926.8 (CN), filed on Sep. 12, 2023.
Prior Publication US 2025/0085086 A1, Mar. 13, 2025
Int. Cl. F41G 1/30 (2006.01); G02B 27/20 (2006.01); H05B 47/105 (2020.01)
CPC F41G 1/30 (2013.01) [G02B 27/20 (2013.01); H05B 47/105 (2020.01)] 7 Claims
OG exemplary drawing
 
1. An automatic light-adjusting structure for a red dot sight, comprising a sight body, a lens frame disposed at an upper part of the sight body, a reflecting lens, a light sensor and a processing unit; wherein
the reflecting lens is disposed in the lens frame;
the light sensor is disposed at a bottom of an inner side of the lens frame, and located in the area, attaching to the lens frame, of the reflecting lens;
the reflecting lens is configured for transmitting target light rays to a receiving end of the light sensor, and the light sensor is configured for detecting the brightness of the target light rays and transmitting brightness data to the processing unit; and
the processing unit is configured for analyzing the brightness data and adjusting the brightness of a light source in the sight body according to an analysis result.