ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,208, issued on March 18, was assigned to POLK AUDIO LLC (Carlsbad, Calif.).
"Loudspeaker transducers" was invented by Sean O'Brien (Carlsbad, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a loudspeaker transducer comprising a diaphragm (112), a frame (120), an inner suspensions element (118) and an outer suspension element (110). The diaphragm (112) comprises a portion turning inwards (102) towards the frame (120). The outer suspension element (110) is located closer than the inner suspension element (118) to the main opening of the frame through which the loudspeaker transducer radiates sound. The inner su...