ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,413, issued on June 10.
"Auxiliary pet training apparatus" was invented by Zhican Huang (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses an auxiliary pet training apparatus, where pet bark is received by a microphone, amplified through an amplification circuit, subjected to signal filtering, and transmitted to a micro-processing module; the micro-processing module receives a corresponding electrical signal, and transmits a control signal to a pulse generating device and a vibration module; a pulse module outputs a pulse current to be transmitted to a conductive sleeve via a vibration head sleeve; and a vi...