ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,928, issued on June 30, was assigned to AAC Technologies Pte. Ltd. (Singapore).
"Microphone chip and microphone" was invented by Euan James Boyd (EB, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microphone chip and a microphone. The microphone chip includes: a base including an inner cavity; a diaphragm including a diaphragm inner part and a diaphragm outer part that are connected to the diaphragm inner part, the diaphragm being supported on the base by means of the diaphragm outer part, and the diaphragm inner part being arranged to be opposite to the inner cavity; and a limiting member supported on the base and located at two opp...