US 11,653,855 B2
Cough detection
John P. Lesso, Edinburgh (GB); Yanto Suryono, Tokyo (JP); and Toru Ido, Tokyo (JP)
Assigned to Cirrus Logic, Inc., Austin, TX (US)
Filed by Cirrus Logic International Semiconductor Ltd., Edinburgh (GB)
Filed on Dec. 3, 2021, as Appl. No. 17/541,904.
Application 17/541,904 is a continuation of application No. 17/097,919, filed on Nov. 13, 2020, granted, now 11,219,386.
Application 17/097,919 is a continuation in part of application No. 16/901,073, filed on Jun. 15, 2020, granted, now 11,134,354, issued on Sep. 28, 2021.
Prior Publication US 2022/0087570 A1, Mar. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 5/08 (2006.01); A61B 5/083 (2006.01); A61B 5/00 (2006.01)
CPC A61B 5/0823 (2013.01) [A61B 5/0803 (2013.01); A61B 5/6803 (2013.01); A61B 5/725 (2013.01); A61B 5/7246 (2013.01); A61B 5/7264 (2013.01); A61B 5/7275 (2013.01); A61B 2562/0219 (2013.01)] 23 Claims
OG exemplary drawing
 
22. An apparatus for cough detection, comprising:
a first input for receiving a first signal from a first transducer of a personal audio device;
a second input for receiving a second signal from a second transducer of the personal audio device; and
one or more processors configured to:
detect a cough of a user of the personal audio device based on the first and second signals,
wherein the first transducer is an external transducer and the second transducer is an in-ear transducer.