US 12,483,797 B2
Image sensing device and control device of illumination device thereof
Chao Shuan Huang, Taoyuan (TW); Sheng-Long Wu, Taoyuan (TW); Yu-Jui Hsu, Taoyuan (TW); Shih-Yao Tsai, Taoyuan (TW); Tun-Hao Chao, Taoyuan (TW); Sen-Lin Chung, Taoyuan (TW); Chih Pin Chung, Taoyuan (TW); Chih-Yuan Chien, Taoyuan (TW); and Shih Hong Sun, Taoyuan (TW)
Assigned to HTC Corporation, Taoyuan (TW)
Filed by HTC Corporation, Taoyuan (TW)
Filed on May 29, 2023, as Appl. No. 18/325,002.
Claims priority of provisional application 63/404,542, filed on Sep. 8, 2022.
Prior Publication US 2024/0089607 A1, Mar. 14, 2024
Int. Cl. H04N 23/74 (2023.01)
CPC H04N 23/74 (2023.01) 14 Claims
OG exemplary drawing
 
1. A control device of an illumination device, adapted to an image sensing device, comprising:
a control circuit generating a plurality of control signals;
an operation circuit performing a logical operation, based on a percentage of an image capturing signal in an image capturing frame period, on the control signals to generate a plurality of operation results, wherein the image capturing frame period is defined by two adjacent vertical synchronization signals; and
a plurality of driving signal generators respectively providing a plurality of driving signals to the illumination device according to the operation results, wherein the driving signals respectively have a plurality of different output powers.