CN110313184B - 具有高声学过载点的麦克风系统 - Google Patents
具有高声学过载点的麦克风系统 Download PDFInfo
- Publication number
- CN110313184B CN110313184B CN201880012083.2A CN201880012083A CN110313184B CN 110313184 B CN110313184 B CN 110313184B CN 201880012083 A CN201880012083 A CN 201880012083A CN 110313184 B CN110313184 B CN 110313184B
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- node
- microphone
- circuit
- diode
- voltage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/005—Electrostatic transducers using semiconductor materials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/003—Mems transducers or their use
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/03—Reduction of intrinsic noise in microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762459813P | 2017-02-16 | 2017-02-16 | |
US62/459813 | 2017-02-16 | ||
US15/471,470 US10080082B2 (en) | 2017-02-16 | 2017-03-28 | Microphone system having high acoustical overload point |
US15/471470 | 2017-03-28 | ||
PCT/US2018/018169 WO2018152193A1 (en) | 2017-02-16 | 2018-02-14 | Microphone system having high acoustical overload point |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110313184A CN110313184A (zh) | 2019-10-08 |
CN110313184B true CN110313184B (zh) | 2021-11-19 |
Family
ID=63105934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880012083.2A Active CN110313184B (zh) | 2017-02-16 | 2018-02-14 | 具有高声学过载点的麦克风系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10080082B2 (zh) |
CN (1) | CN110313184B (zh) |
DE (1) | DE102018202347A1 (zh) |
WO (1) | WO2018152193A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700100359A1 (it) | 2017-09-07 | 2019-03-07 | St Microelectronics Srl | Circuito amplificatore, sistema e dispositivo corrispondenti |
US10419857B2 (en) * | 2017-11-27 | 2019-09-17 | Invensense, Inc. | Sensor with enhanced linearity and acoustic overload point |
CN111181502A (zh) * | 2019-10-24 | 2020-05-19 | 苏州纳芯微电子股份有限公司 | 前置放大电路 |
US11778390B2 (en) * | 2019-11-07 | 2023-10-03 | Knowles Electronics, Llc. | Microphone assembly having a direct current bias circuit |
NL2026434B1 (en) | 2020-09-09 | 2022-05-09 | Sonion Nederland Bv | Input bias circuit for buffer amplifier |
CN113727266B (zh) * | 2021-09-02 | 2022-11-01 | 苏州纳芯微电子股份有限公司 | Mems麦克风控制电路及电子设备 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201222702Y (zh) * | 2008-06-04 | 2009-04-15 | 瑞谷科技(深圳)有限公司 | 开关变换器的同步整流驱动电路 |
CN101743683A (zh) * | 2007-05-02 | 2010-06-16 | 美国思睿逻辑有限公司 | 功率因数校正(pfc)控制器及使用有限状态机调节pwm控制信号工作周期的方法 |
CN202513878U (zh) * | 2012-01-31 | 2012-10-31 | 石家庄开发区华北集成电路设计有限公司 | 一种毫米波有源倍频器集成电路 |
CN105262444A (zh) * | 2015-05-21 | 2016-01-20 | 云南大学 | 超宽带模拟预失真电路 |
CN205092962U (zh) * | 2014-09-15 | 2016-03-16 | 意法半导体股份有限公司 | 电子设备和电子系统 |
CN205940708U (zh) * | 2016-08-09 | 2017-02-08 | 北京雨根科技有限公司 | 一种超声波物位传感器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6389069B1 (en) * | 1998-12-14 | 2002-05-14 | Qualcomm Incorporated | Low power programmable digital filter |
ATE277490T1 (de) * | 2000-07-05 | 2004-10-15 | Koninkl Philips Electronics Nv | A/d umwandler mit integrierter vorspannung für mikrofon |
JP4031710B2 (ja) * | 2001-03-26 | 2008-01-09 | ゲオルク ノイマン ゲー・エム・ベー・ハー | 増幅器回路 |
US8855335B2 (en) * | 2009-06-11 | 2014-10-07 | Invensense, Inc. | Distortion suppression in high-level capable audio amplification circuit |
RU2569914C2 (ru) * | 2010-07-22 | 2015-12-10 | Конинклейке Филипс Электроникс Н.В. | Возбуждение параметрических громкоговорителей |
US8995690B2 (en) * | 2011-11-28 | 2015-03-31 | Infineon Technologies Ag | Microphone and method for calibrating a microphone |
CN103067321B (zh) * | 2012-12-20 | 2015-07-15 | 大唐移动通信设备有限公司 | 一种本振泄露快速校准装置及方法 |
DE112015000443T5 (de) * | 2014-01-21 | 2016-12-01 | Knowles Electronics, Llc | Mikrofonvorrichtung und Verfahren, um extrem hohe Akustiküberlastpunkte bereitzustellen |
DE102014202009A1 (de) * | 2014-02-05 | 2015-08-06 | Robert Bosch Gmbh | Verfahren und Mittel zum Regeln der elektrischen Vorspannung am Messkondensator eines MEMS-Sensorelements |
FR3018025B1 (fr) * | 2014-02-26 | 2016-03-18 | Devialet | Dispositif de commande d'un haut-parleur |
WO2016038450A1 (en) * | 2014-09-10 | 2016-03-17 | Robert Bosch Gmbh | A high-voltage reset mems microphone network and method of detecting defects thereof |
CN104977465B (zh) * | 2015-07-15 | 2017-12-29 | 南昌大学 | 远程电参数测量系统 |
-
2017
- 2017-03-28 US US15/471,470 patent/US10080082B2/en active Active
-
2018
- 2018-02-14 CN CN201880012083.2A patent/CN110313184B/zh active Active
- 2018-02-14 WO PCT/US2018/018169 patent/WO2018152193A1/en active Application Filing
- 2018-02-15 DE DE102018202347.6A patent/DE102018202347A1/de active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101743683A (zh) * | 2007-05-02 | 2010-06-16 | 美国思睿逻辑有限公司 | 功率因数校正(pfc)控制器及使用有限状态机调节pwm控制信号工作周期的方法 |
CN201222702Y (zh) * | 2008-06-04 | 2009-04-15 | 瑞谷科技(深圳)有限公司 | 开关变换器的同步整流驱动电路 |
CN202513878U (zh) * | 2012-01-31 | 2012-10-31 | 石家庄开发区华北集成电路设计有限公司 | 一种毫米波有源倍频器集成电路 |
CN205092962U (zh) * | 2014-09-15 | 2016-03-16 | 意法半导体股份有限公司 | 电子设备和电子系统 |
CN105262444A (zh) * | 2015-05-21 | 2016-01-20 | 云南大学 | 超宽带模拟预失真电路 |
CN205940708U (zh) * | 2016-08-09 | 2017-02-08 | 北京雨根科技有限公司 | 一种超声波物位传感器 |
Also Published As
Publication number | Publication date |
---|---|
WO2018152193A1 (en) | 2018-08-23 |
DE102018202347A1 (de) | 2018-08-30 |
US10080082B2 (en) | 2018-09-18 |
US20180234762A1 (en) | 2018-08-16 |
CN110313184A (zh) | 2019-10-08 |
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Effective date of registration: 20191122 Address after: Stuttgart, Germany Applicant after: ROBERT BOSCH GmbH Address before: Stuttgart, Germany Applicant before: ROBERT BOSCH GmbH Applicant before: Robert Bosch, LLC Effective date of registration: 20191122 Address after: Stuttgart, Germany Applicant after: ROBERT BOSCH GmbH Applicant after: Robert Bosch, LLC Address before: Stuttgart, Germany Applicant before: ROBERT BOSCH GmbH Applicant before: AKUSTICA, Inc. |
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