KR840002387A - Electret microphone shield - Google Patents

Electret microphone shield Download PDF

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Publication number
KR840002387A
KR840002387A KR1019820004689A KR820004689A KR840002387A KR 840002387 A KR840002387 A KR 840002387A KR 1019820004689 A KR1019820004689 A KR 1019820004689A KR 820004689 A KR820004689 A KR 820004689A KR 840002387 A KR840002387 A KR 840002387A
Authority
KR
South Korea
Prior art keywords
electret microphone
microphone according
case
conductive
substrate
Prior art date
Application number
KR1019820004689A
Other languages
Korean (ko)
Other versions
KR880000963B1 (en
Inventor
존 챠프트 가이
Original Assignee
죤 이. 모울
노우던 텔레콤 리미티트
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 죤 이. 모울, 노우던 텔레콤 리미티트 filed Critical 죤 이. 모울
Publication of KR840002387A publication Critical patent/KR840002387A/en
Application granted granted Critical
Publication of KR880000963B1 publication Critical patent/KR880000963B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • 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
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones

Abstract

내용 없음.No content.

Description

일렉트릿 마이크로폰(electret microphone)차폐장치Electret microphone shield

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

도면은 본 발명의 일렉트릿 마이크로폰의 분해 사시도.The exploded perspective view of the electret microphone of this invention.

Claims (10)

케이스와, 이 내의 통로를 통해 케이스내로 통과하는 음향 진동에 대응하는 전기 신호를 발생시키기 위한 케이스내의 일렉트릿 소자를 포함하는 일렉트릿 마이크로폰에 있어서, 도전 소자(18)이 상기 통로(11)의 최소한 일부분을 차단시키고, 상기 음향 진동을 투과시켜 고정 전위체(10)과 전기적으로 접촉시킴으로써 도전 소자(18)의 전위를 고정시키는 것을 특징으로 하는 일렉트릿 마이크로폰.An electret microphone comprising a case and an electret element in the case for generating an electrical signal corresponding to acoustic vibrations passing through the passage therein, wherein the conductive element 18 comprises at least a portion of the passage 11. An electret microphone, characterized in that a portion is blocked and the acoustic vibration is transmitted to electrically contact the fixed potential body (10) to fix the potential of the conductive element (18). 제1항에 있어서, 도전 소자가 기질(21)상에 용착된 도전층(20)으로 구성된 것을 특징으로 하는 일렉트릿 마이크로폰.2. The electret microphone according to claim 1, wherein the conductive element is composed of a conductive layer (20) deposited on a substrate (21). 제2항에 있어서, 도전 층(20)이 박층기질(210의 대향 측면상에 용착된 것을 특징으로 하는 일렉트릿 마이크로폰.3. The electret microphone according to claim 2, wherein the conductive layer (20) is deposited on opposite sides of the thin substrate (210). 제2항에 있어서, 기질(21)이 가요성 플라스틱 막인 것을 특징으로 하는 일렉트릿 마이크로폰.3. The electret microphone according to claim 2, wherein the substrate (21) is a flexible plastic membrane. 제4항에 있어서, 상기 용착 도전층을 지지하는 상기 플라스틱 기질을 포함하는 소자(21)이 습기 불투과성인 것을 특징으로 하는 일렉트릿 마이크로폰.5. The electret microphone according to claim 4, wherein the element (21) comprising the plastic substrate supporting the deposition conductive layer is moisture impermeable. 제5항에 있어서, 밀봉 부재(16)이 상기 기질(21)과 도전층(20)의 결합체를 케이스(10)의 내부표면과 결하하도록 압압하는 것을 특징으로 하는 일렉트릿 마이크로폰.6. The electret microphone according to claim 5, wherein the sealing member (16) presses the combination of the substrate (21) and the conductive layer (20) to the inner surface of the case (10). 제1항에 있어서, 케이스(10)이 도전성이 있고 접지되어 있으며, 상기 도전 소자(18)이 케이스(10)의 내부표면과 전기적으로 접촉하는 것을 특징으로 하는 일렉트릿 마이크로폰.2. The electret microphone according to claim 1, wherein the case (10) is conductive and grounded, and the conductive element (18) is in electrical contact with the inner surface of the case (10). 제7항에 있어서, 도전 소자(18)과 케이스(10)이 모두 알루미늄으로 된 것을 특징으로 하는 일렉트릿 마이크로폰.8. The electret microphone according to claim 7, wherein the conductive element (18) and the case (10) are both made of aluminum. 제1항에 있어서, 도전 소자(18)이 도체 하중 플라스틱으로 구성된 것을 특징으로 하는 일렉트릿 마이크로폰.2. The electret microphone according to claim 1, wherein the conductive element (18) is made of conductor load plastic. 제9항에 있어서, 도체가 탄소인 것을 특징으로 하는 일렉트릿 마이크로폰.10. The electret microphone according to claim 9, wherein the conductor is carbon. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8204689A 1981-10-19 1982-10-18 Electret microphone shield KR880000963B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA388,183 1981-10-19
CA000388183A CA1165859A (en) 1981-10-19 1981-10-19 Electret microphone shield
CA388183 1981-10-19

Publications (2)

Publication Number Publication Date
KR840002387A true KR840002387A (en) 1984-06-25
KR880000963B1 KR880000963B1 (en) 1988-06-04

Family

ID=4121192

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8204689A KR880000963B1 (en) 1981-10-19 1982-10-18 Electret microphone shield

Country Status (7)

Country Link
EP (1) EP0077615B1 (en)
JP (1) JPS5881000A (en)
KR (1) KR880000963B1 (en)
CA (1) CA1165859A (en)
DE (1) DE3270879D1 (en)
DK (1) DK153619C (en)
IE (1) IE53590B1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218298A (en) * 1987-11-28 1989-11-08 Anthony David Heyes An ultra-sonic pulse-echo ranging device
DE19715365C2 (en) * 1997-04-11 1999-03-25 Sennheiser Electronic Condenser microphone
US7434305B2 (en) 2000-11-28 2008-10-14 Knowles Electronics, Llc. Method of manufacturing a microphone
US7439616B2 (en) 2000-11-28 2008-10-21 Knowles Electronics, Llc Miniature silicon condenser microphone
US7166910B2 (en) 2000-11-28 2007-01-23 Knowles Electronics Llc Miniature silicon condenser microphone
US8623710B1 (en) 2000-11-28 2014-01-07 Knowles Electronics, Llc Methods of manufacture of bottom port multi-part surface mount silicon condenser microphone packages
US6781231B2 (en) 2002-09-10 2004-08-24 Knowles Electronics Llc Microelectromechanical system package with environmental and interference shield
JP4452584B2 (en) * 2004-08-31 2010-04-21 株式会社オーディオテクニカ Condenser microphone
DE102005008511B4 (en) 2005-02-24 2019-09-12 Tdk Corporation MEMS microphone
DE102005008512B4 (en) 2005-02-24 2016-06-23 Epcos Ag Electrical module with a MEMS microphone
DE102005053765B4 (en) 2005-11-10 2016-04-14 Epcos Ag MEMS package and method of manufacture
DE102005053767B4 (en) 2005-11-10 2014-10-30 Epcos Ag MEMS microphone, method of manufacture and method of installation
KR20080011066A (en) * 2006-07-27 2008-01-31 스타 마이크로닉스 컴퍼니 리미티드 Housing for microphone, and condenser microphone
US7894622B2 (en) 2006-10-13 2011-02-22 Merry Electronics Co., Ltd. Microphone
EP2774390A4 (en) 2011-11-04 2015-07-22 Knowles Electronics Llc Embedded dielectric as a barrier in an acoustic device and method of manufacture
US9078063B2 (en) 2012-08-10 2015-07-07 Knowles Electronics, Llc Microphone assembly with barrier to prevent contaminant infiltration
US9794661B2 (en) 2015-08-07 2017-10-17 Knowles Electronics, Llc Ingress protection for reducing particle infiltration into acoustic chamber of a MEMS microphone package

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787642A (en) * 1971-09-27 1974-01-22 Gte Automatic Electric Lab Inc Electrostatic transducer having resilient electrode
US3778561A (en) * 1972-06-21 1973-12-11 Bell Canada Northern Electric Electret microphone
JPS5419172B2 (en) * 1973-07-23 1979-07-13
JPS5717013Y2 (en) * 1977-07-11 1982-04-09
US4188513A (en) * 1978-11-03 1980-02-12 Northern Telecom Limited Electret microphone with simplified electrical connections by printed circuit board mounting

Also Published As

Publication number Publication date
EP0077615A1 (en) 1983-04-27
CA1165859A (en) 1984-04-17
KR880000963B1 (en) 1988-06-04
EP0077615B1 (en) 1986-04-30
DK153619C (en) 1988-12-19
DK450682A (en) 1983-04-20
DK153619B (en) 1988-08-01
DE3270879D1 (en) 1986-06-05
IE822516L (en) 1983-04-19
JPS5881000A (en) 1983-05-16
IE53590B1 (en) 1988-12-21

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