JP2021082993A5 - - Google Patents

Download PDF

Info

Publication number
JP2021082993A5
JP2021082993A5 JP2019210553A JP2019210553A JP2021082993A5 JP 2021082993 A5 JP2021082993 A5 JP 2021082993A5 JP 2019210553 A JP2019210553 A JP 2019210553A JP 2019210553 A JP2019210553 A JP 2019210553A JP 2021082993 A5 JP2021082993 A5 JP 2021082993A5
Authority
JP
Japan
Prior art keywords
fixed electrode
condenser microphone
zero
diaphragm
electret
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2019210553A
Other languages
English (en)
Japanese (ja)
Other versions
JP7377077B2 (ja
JP2021082993A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2019210553A priority Critical patent/JP7377077B2/ja
Priority claimed from JP2019210553A external-priority patent/JP7377077B2/ja
Publication of JP2021082993A publication Critical patent/JP2021082993A/ja
Publication of JP2021082993A5 publication Critical patent/JP2021082993A5/ja
Priority to JP2023098845A priority patent/JP7524414B2/ja
Application granted granted Critical
Publication of JP7377077B2 publication Critical patent/JP7377077B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2019210553A 2019-11-21 2019-11-21 コンデンサーマイクロフォン Active JP7377077B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019210553A JP7377077B2 (ja) 2019-11-21 2019-11-21 コンデンサーマイクロフォン
JP2023098845A JP7524414B2 (ja) 2019-11-21 2023-06-16 コンデンサーマイクロフォンにおける自己ノイズの低減方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019210553A JP7377077B2 (ja) 2019-11-21 2019-11-21 コンデンサーマイクロフォン

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023098845A Division JP7524414B2 (ja) 2019-11-21 2023-06-16 コンデンサーマイクロフォンにおける自己ノイズの低減方法

Publications (3)

Publication Number Publication Date
JP2021082993A JP2021082993A (ja) 2021-05-27
JP2021082993A5 true JP2021082993A5 (https=) 2022-10-27
JP7377077B2 JP7377077B2 (ja) 2023-11-09

Family

ID=75966062

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2019210553A Active JP7377077B2 (ja) 2019-11-21 2019-11-21 コンデンサーマイクロフォン
JP2023098845A Active JP7524414B2 (ja) 2019-11-21 2023-06-16 コンデンサーマイクロフォンにおける自己ノイズの低減方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2023098845A Active JP7524414B2 (ja) 2019-11-21 2023-06-16 コンデンサーマイクロフォンにおける自己ノイズの低減方法

Country Status (1)

Country Link
JP (2) JP7377077B2 (https=)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52164521U (https=) * 1976-06-07 1977-12-13
JPS5323618A (en) * 1976-08-17 1978-03-04 Toshiba Corp Electrostatic type transducer
JPS57193198A (en) * 1981-05-22 1982-11-27 Toshiba Corp Electrostatic microphone
JP4125664B2 (ja) * 2003-11-18 2008-07-30 株式会社オーディオテクニカ コンデンサマイクロホンユニットおよびその製造方法
JP5338825B2 (ja) * 2011-02-23 2013-11-13 オムロン株式会社 音響センサ及びマイクロフォン
US9693135B2 (en) 2012-01-05 2017-06-27 Tdk Corporation Differential microphone and method for driving a differential microphone
WO2015131925A1 (en) * 2014-03-03 2015-09-11 Epcos Ag Condenser microphone with non-circular membrane

Similar Documents

Publication Publication Date Title
Hui et al. Acoustically enhanced triboelectric stethoscope for ultrasensitive cardiac sounds sensing and disease diagnosis
US7152481B2 (en) Capacitive micromachined acoustic transducer
Lee et al. An electret‐powered skin‐attachable auditory sensor that functions in harsh acoustic environments
US9124220B2 (en) Differential microphone with dual polarity bias
JPH11508101A (ja) マイクロメカニカルマイクロホン
Baglioni et al. Ultra-sensitive graphene membranes for microphone applications
Fueldner Microphones
KR101601229B1 (ko) 마이크로폰
CN108174333A (zh) 静电容量型换能器系统、静电容量型换能器及声音传感器
JP2021082993A5 (https=)
Hillenbrand et al. Electret microphones with stiff diaphragms
JP4486863B2 (ja) コンデンサマイクロホンユニット
US11765533B2 (en) Capacitive microphone with two signal outputs that are additive inverse of each other
EP4226647B1 (en) Impedance-matched acoustic transducer
JP4205005B2 (ja) 音計測装置
KR100502171B1 (ko) 저전압 인가형 콘덴서 마이크로폰
GB2568321A (en) MEMS devices and processes
CN113507682A (zh) 录音传声器后极板及录音传声器
JP4273029B2 (ja) ２次音圧傾度型エレクトレットコンデンサマイクロホン
Kamakura et al. Cartridge-type cellular polypropylene microphone with broadband sensitivity
US11765534B2 (en) Capacitive microphone with two signal outputs that are additive inverse of each other
Frederiksen Condenser microphones
RU2079978C1 (ru) Миниатюрный электретный микрофон
Svec et al. Basic Requirements on Microphones for VoiceRecordings
JP5654703B1 (ja) エレクトレットコンデンサマイクロホン