US Patent Issued to ZHEJIANG ALIBABA ROBOT on May 5 for "Conference terminal and echo cancellation method" (Chinese, American Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,389, issued on May 5, was assigned to ZHEJIANG ALIBABA ROBOT Co. LTD. (Hangzhou, China).

"Conference terminal and echo cancellation method" was invented by Cheng Xue (Hangzhou City, China), Weilong Huang (Hangzhou City, China) and Jinwei Feng (Winchester, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conference terminal, an echo cancellation method and apparatus, and a sound pickup device are provided. The conference terminal comprises a loudspeaker and at least one omni-directional microphone group. The omni-directional microphone group comprises at least two omni-directional microphones. According to the conference terminal, a weight vector...