Invention Grant
- Patent Title: Band-pass acoustic filter and acoustic sensing apparatus
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Application No.: US15562410Application Date: 2015-10-30
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Publication No.: US10412491B2Publication Date: 2019-09-10
- Inventor: Quanbo Zou
- Applicant: GOERTEK, INC.
- Applicant Address: CN Weifang, Shandong
- Assignee: GOERTEK, INC.
- Current Assignee: GOERTEK, INC.
- Current Assignee Address: CN Weifang, Shandong
- Agency: Hultquist, PLLC
- Agent Steven J. Hultquist
- International Application: PCT/CN2015/093453 WO 20151030
- International Announcement: WO2017/070950 WO 20170504
- Main IPC: H04R3/04
- IPC: H04R3/04 ; H04R19/00 ; H04R19/04 ; H04R29/00 ; H04R1/22 ; H04R3/00
Abstract:
The present invention discloses a band-pass acoustic filter and an acoustic sensing apparatus. The band-pass acoustic filter including at least two MEMS microphone chips and an ASIC chip, wherein the output signals of the MEMS microphone chips are processed in the ASIC chip after being coupled.
Public/Granted literature
- US20180288526A1 BAND-PASS ACOUSTIC FILTER AND ACOUSTIC SENSING APPARATUS Public/Granted day:2018-10-04
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