US 12,167,930 B2
Biological sound acquisition device
Shunichi Satomi, Osaka (JP)
Assigned to AIR WATER BIODESIGN INC., Kobe (JP)
Appl. No. 17/914,672
Filed by AIR WATER BIODESIGN INC., Kobe (JP)
PCT Filed Mar. 19, 2021, PCT No. PCT/JP2021/011355
§ 371(c)(1), (2) Date Sep. 26, 2022,
PCT Pub. No. WO2021/193425, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 2020-057855 (JP), filed on Mar. 27, 2020.
Prior Publication US 2023/0125092 A1, Apr. 27, 2023
Int. Cl. A61B 7/04 (2006.01); H04R 1/28 (2006.01); H04R 1/46 (2006.01); H04R 5/00 (2006.01)
CPC A61B 7/04 (2013.01) [H04R 1/2892 (2013.01); H04R 1/46 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A biological sound acquisition device comprising:
a housing;
a first acceleration sensor disposed within the housing and mechanically connected to the housing through a first vibration damping member; and
a second acceleration sensor disposed within the housing,
wherein a biological sound propagates to the first acceleration sensor without propagating through the first vibration damping member, and
wherein the biological sound propagates to the second acceleration sensor through the first vibration damping member.