US 11,659,311 B2
Sound port adapter for microphone assembly
Brian Lynch, Arlington Heights, IL (US); Alexander Grossman, Geneva, IL (US); Ben Vondersaar, Chicago, IL (US); and Matthew Manley, Crystal Lake, IL (US)
Assigned to KNOWLES ELECTRONICS, LLC, Itasca, IL (US)
Filed by Knowles Electronics, LLC, Itasca, IL (US)
Filed on Dec. 30, 2020, as Appl. No. 17/137,702.
Claims priority of provisional application 62/954,910, filed on Dec. 30, 2019.
Prior Publication US 2021/0204050 A1, Jul. 1, 2021
Int. Cl. H04R 19/00 (2006.01); H04R 1/08 (2006.01); B81B 7/00 (2006.01); H04R 1/02 (2006.01); H04R 1/04 (2006.01)
CPC H04R 1/08 (2013.01) [B81B 7/0077 (2013.01); H04R 1/026 (2013.01); H04R 1/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sound port adapter for a microphone assembly comprising an acoustic transducer disposed in a housing having a sound port, the sound port adapter comprising:
a body member having a mounting surface configured to mount on the housing of the microphone assembly;
an acoustic channel disposed through the body member, the acoustic channel defined in part by a cavity having a sound inlet and a sound outlet disposed on the mounting surface of the body member;
a wall portion of the body member extending into the cavity, the wall portion configured to modify an acoustic property of the acoustic channel,
wherein the sound outlet of the sound port adapter is acoustically coupled to a sound port of the microphone assembly when the sound port adapter is mounted over the sound port of the microphone assembly.