US 12,256,208 B2
Loudspeaker transducers
Sean O'Brien, Carlsbad, CA (US)
Assigned to POLK AUDIO, LLC, Carlsbad, CA (US)
Filed by Polk Audio, LLC, Carlsbad, CA (US)
Filed on May 31, 2022, as Appl. No. 17/828,792.
Prior Publication US 2023/0388717 A1, Nov. 30, 2023
Int. Cl. H04R 9/06 (2006.01); H04R 7/12 (2006.01); H04R 7/18 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01); H04R 31/00 (2006.01)
CPC H04R 9/06 (2013.01) [H04R 7/12 (2013.01); H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 9/04 (2013.01); H04R 31/003 (2013.01); H04R 31/006 (2013.01); H04R 2400/11 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A loudspeaker transducer comprising a diaphragm, a frame, an inner suspension element and an outer suspension element, wherein:
the diaphragm comprises a portion turning inwards towards the frame, and an inner portion comprising an inner end of the diaphragm, the inner portion turning inwards towards the frame, the inner portion parallel to the inward turning portion,
the outer suspension element is located closer than the inner suspension element to the main opening of the frame through which the loudspeaker transducer radiates sound,
the inner suspension element is connected to the frame and the inward turning portion, and
the inner suspension element is connected to the inward turning portion at an outer end of the diaphragm.