Patent Document ID: 20160270685
Application ID: 15071884
Patent Flag: 0

Claim One:
1. An acoustic sensor comprising: f) a body formed of a solid integral mass having a circular apron with two opposite major side walls, i. one side wall being concave in configuration and the other side wall having a rearwardly facing portion coaxially formed thereon, the rearwardly facing portion defining an attachment for a microphone; ii. an opening coaxially formed through the rearwardly facing portion; and iii. an annular edge connecting the periphery of the side walls; g) a microphone, attached to the rearwardly facing portion, wherein the microphone is configured to produce electrical signals in response to acoustic signals transmitted from an abdomen of a pregnant subject; h) a flexible membrane covering the one side wall, wherein the edge of the flexible membrane covers the annular edge of the one side wall, wherein the flexible membrane is configured to contact the skin of the human pregnant subject, wherein the flexible membrane is configured to transduce transmitted acoustic signals to the body; and wherein the body is configured to transmit the transduced acoustic signals to the microphone; i) an electrical conductor electrically connected to the microphone; and j) a connector in electrical contact with the electrical conductor for connection to a lead wire.