US Patent Issued to Wenzhou University on Sept. 2 for "Readout circuit for high-precision vibration sensor" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,311, issued on Sept. 2, was assigned to Wenzhou University (Zhejiang, China).

"Readout circuit for high-precision vibration sensor" was invented by Pengjun Wang (Zhejiang, China), Xiangyu Li (Zhejiang, China), Hao Ye (Zhejiang, China) and Gang Li (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A readout circuit for a high-precision vibration sensor comprises an on-chip self-test circuit, a low-noise charge amplifier, a correlated double sampling circuit, a PID feedback control circuit, a phase compensation circuit and Sigma-Delta. A self-test signal is amplified by the low-noise charge amplifier, low-frequency noise and offsets are f...