ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,557, issued on July 21, was assigned to Shenzhen Mindray Bio-Medical Electronics Co. Ltd. (Shenzhen, China).

"Sample analyzer and liquid aspiration control method thereof" was invented by Kejun Peng (Shenzhen, China), Run Du (Shenzhen, China), Qiushi Yi (Shenzhen, China) and Wentao Ju (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of the disclosure provide a sample analyzer and a liquid aspiration control method for a sample analyzer. When a liquid aspiration assembly is moving down toward a container, a signal acquisition and analysis assembly acquires and analyzes a first electrical signal; when the first electrica...