US Patent No. 10,431,623

METHOD APPLIED TO BJT PIXEL OF IMAGE SENSOR APPARATUS AND IMAGE SENSOR APPARATUS


Patent No. 10,431,623
Issue Date October 01, 2019
Title Method Applied To Bjt Pixel Of Image Sensor Apparatus And Image Sensor Apparatus
Inventorship Wooi Kip Lim, Penang (MY)
Assignee PixArt Imaging Inc., Hsin-Chu (TW)

Claim of US Patent No. 10,431,623

1. A method applied to a BJT pixel of a pixel array of an image sensor apparatus, comprising:obtaining at least one of a surface quality signal of a first image sensed by the BJT pixel and a shutter turn-on time corresponding to the first image; and
adaptively adjusting a pre-flash time of the BJT pixel for sensing of a second image according to the at least one of the surface quality signal of the first image and the shutter turn-on time corresponding to the first image;
wherein the second image follows the first image.