ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,764, issued on Oct. 14, was assigned to Google LLC (Mountain View, Calif.).
"Compression driver wide band microspeaker" was invented by Mark William Starnes (Sunnyvale, Calif.) and Anthony King (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microspeaker includes a frame defining a space; and an actuator positioned within the space, the actuator including a diaphragm configured to vibrate in a first direction during operation. A center axis of the diaphragm extends in the first direction. A plate assembly mechanically couples to the frame and defines a path for venting fluid from the space. The plate assembly includes: a first pla...