ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,079, issued on May 13, was assigned to Mayht Holding B.V. (Santa Barbara, Calif.).
"Speaker unit" was invented by Timothy Ruben Scheek (Rotterdam, Netherlands) and Naphur van Apeldoorn (Amsterdam).
According to the abstract* released by the U.S. Patent & Trademark Office: "A speaker unit with a speaker frame and two membranes arranged in the speaker frame. A first membrane radiates in a major acoustic radiation direction substantially perpendicular to a major plane of the speaker unit. A second membrane has a secondary acoustic radiation direction different from the major acoustic radiation direction. Two drive units are positioned within the speaker frame, attached to the two me...