ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,239, issued on Dec. 9, was assigned to Bose Corp. (Framingham, Mass.).
"Operating state detection using pulsed acoustic signals" was invented by Emery M. Ku (Sudbury, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present disclosure provide techniques, including devices and systems implementing the techniques, for detecting a current state of a wearable audio device of a user. One example technique for detecting the current state of the wearable device generally includes transmitting, with a driver, at least one pulsed signal associated with the current state, receiving, at a microphone, a received signal of the at least one puls...