US 11,815,636 B2
Radiation detector capable of noise handling
Peiyan Cao, Shenzhen (CN); and Yurun Liu, Shenzhen (CN)
Assigned to SHENZHEN XPECTVISION TECHNOLOGY CO., LTD., Shenzhen (CN)
Filed by SHENZHEN XPECTVISION TECHNOLOGY CO., LTD., Shenzhen (CN)
Filed on Nov. 7, 2022, as Appl. No. 17/981,755.
Application 17/981,755 is a continuation of application No. 16/852,822, filed on Apr. 20, 2020, granted, now 11,520,065.
Application 16/852,822 is a continuation of application No. PCT/CN2017/107775, filed on Oct. 26, 2017.
Prior Publication US 2023/0065682 A1, Mar. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01T 1/24 (2006.01); A61B 6/03 (2006.01); G01T 1/16 (2006.01)
CPC G01T 1/248 (2013.01) [A61B 6/032 (2013.01); G01T 1/1603 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A radiation detector, comprising:
an avalanche photodiode (APD) with a first side coupled to an electrode and configured to work in a linear mode;
a current sourcing module configured to compensate for a leakage current in the APD and comprising a current source and a modulator;
wherein the current source is configured to output a first electrical current and a second electrical current;
wherein the modulator is configured to control a ratio of a duration at which the current source outputs the first electrical current to a duration at which the current source outputs the second electrical current.