ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,448, issued on Aug. 4, was assigned to ResMed Pty Ltd (Australia).

"Acoustic measurement systems and methods" was invented by Hayat Chamtie (Sydney), Liam Holley (Sydney) and Phillip Anthony Burns (Cremorne, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A respiratory therapy (RT) system may be configured for acoustic operations. Such a system may include one or more acoustic generators to produce an inaudible acoustic signal that may be implemented for different uses. The acoustic generator(s), such as when coupled to a patient interface or air circuit of a respiratory therapy device, may provide inaudible acoustic signals whereby data con...