发明名称 Volumetric Measurement Device, System and Method
摘要 An acoustic volume sensing device is disclosed. The device includes a housing comprising a reference volume chamber and a variable volume chamber, the reference volume chamber and the variable volume chamber connected by a resonant port, a first MEMS microphone located in acoustic relation to the variable volume chamber, a second MEMS microphone located in acoustic relation to the reference volume chamber, a MEMS speaker located in acoustic relation to the reference volume chamber, and a circuit board in electric connection with the first and second MEMS microphones and the MEMS speaker.
申请公布号 US2016305809(A1) 申请公布日期 2016.10.20
申请号 US201615187228 申请日期 2016.06.20
申请人 DEKA Products Limited Partnership 发明人 Lanier Gregory R.;Kerwin John M.;Murphy Colin H.;Gray Larry B.
分类号 G01F17/00;G01F23/296 主分类号 G01F17/00
代理机构 代理人
主权项 1. An acoustic volume sensing device comprising: a housing comprising a reference volume chamber and a variable volume chamber, the reference volume chamber and the variable volume chamber connected by a resonant port; a first MEMS microphone located in acoustic relation to the variable volume chamber; a second MEMS microphone located in acoustic relation to the reference volume chamber; and a MEMS speaker located in acoustic relation to the reference volume chamber; wherein the device configured to measure a volume of fluid using acoustic volume sensing measurements, and wherein the measurements are taken at the same pressure.
地址 Manchester NH US