ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,708,291, issued on Aug. 18.

"Breathing amplitude detection system, method, and computer program based on micro force detection" was invented by Junyang Tang (Brooklyn, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a breathing amplitude detection solution based on micro force detection. In this solution, the breathing amplitude detection system includes a sensor, a processor, a sensor power supply circuit, an operational amplifier, and a feedback resistor. The sensor is a micro force detection sensor. The sensor can be connected to a user and sense the amplitude of the user's breathing movements. The sensor supply circuit ...