US 12,470,858 B2
In-ear acoustic device with transparency and noise-cancellation
Neil Harris, Cambridge (GB)
Assigned to GOOGLE LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Dec. 4, 2023, as Appl. No. 18/528,060.
Prior Publication US 2025/0184644 A1, Jun. 5, 2025
Int. Cl. H04R 25/00 (2006.01); H04R 1/10 (2006.01)
CPC H04R 1/1016 (2013.01) [H04R 1/1066 (2013.01); H04R 1/1083 (2013.01); H04R 2430/01 (2013.01); H04R 2460/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An earbud comprising:
a housing, wherein the housing comprises a first section and a second section;
a speaker housed by the housing;
a first volume, wherein the first volume is partially defined by the speaker and the first section;
a second volume, wherein the second volume is partially defined by the speaker and the second section; and
a bypass duct that fluidically connects the first volume with the second volume, wherein the bypass duct comprises a vent to outside of the housing.