US Patent Issued to Starkey Laboratories on March 17 for "Ear-wearable device with active noise cancellation system that uses internal and external microphones" (Minnesota Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,226, issued on March 17, was assigned to Starkey Laboratories Inc. (Eden Prairie, Minn.).

"Ear-wearable device with active noise cancellation system that uses internal and external microphones" was invented by Terence Betlehem (Eden Prairie, Minn.) and Wenyu Jin (Eden Prairie, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ear-wearable device is operable to receive a reference signal from outside an ear canal of a user and an error signal from inside of the ear canal. A physical propagation path between the outside and inside of the ear canal defines a primary path, and amplified sound produced inside of the ear canal propagates over a sec...