US 12,225,954 B2
Porous sound absorber acoustic face mask apparatus
Martin Rothenberg, Jamesville, NY (US)
Assigned to Acoustic Mask LLC, Kensington, MD (US)
Filed by Acoustic Mask LLC, Kensington, MD (US)
Filed on May 2, 2021, as Appl. No. 17/246,695.
Application 17/246,695 is a continuation of application No. 16/994,649, filed on Aug. 16, 2020, granted, now 11,019,859.
Prior Publication US 2022/0047011 A1, Feb. 17, 2022
Int. Cl. A41D 13/11 (2006.01); G10K 11/16 (2006.01)
CPC A41D 13/1107 (2013.01) [G10K 11/16 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An acoustic face mask comprising:
a face mask wall configured to cover at least a person's mouth, thereby forming a face mask chamber; and
a sound absorbing member connected to said face mask wall, wherein the sound absorbing member comprises a porous material, wherein the sound absorbing member is configured to reduce the acoustic coupling of a person's vocal tract to the face mask chamber by reducing the sound energy reflected by the face mask wall.