JPS5221046Y2 - - Google Patents

Info

Publication number
JPS5221046Y2
JPS5221046Y2 JP1971078484U JP7848471U JPS5221046Y2 JP S5221046 Y2 JPS5221046 Y2 JP S5221046Y2 JP 1971078484 U JP1971078484 U JP 1971078484U JP 7848471 U JP7848471 U JP 7848471U JP S5221046 Y2 JPS5221046 Y2 JP S5221046Y2
Authority
JP
Japan
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.)
Expired
Application number
JP1971078484U
Other versions
JPS4835339U (ja
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 filed Critical
Priority to JP1971078484U priority Critical patent/JPS5221046Y2/ja
Priority to CA150,181A priority patent/CA946508A/en
Priority to GB4005772A priority patent/GB1384418A/en
Priority to NLAANVRAGE7211755,A priority patent/NL177879C/xx
Priority to US00284466A priority patent/US3775572A/en
Priority to IT7228720A priority patent/IT968373B/it
Priority to DE2242806A priority patent/DE2242806C2/de
Priority to FR7231011A priority patent/FR2151061B1/fr
Publication of JPS4835339U publication Critical patent/JPS4835339U/ja
Application granted granted Critical
Publication of JPS5221046Y2 publication Critical patent/JPS5221046Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
JP1971078484U 1971-08-31 1971-08-31 Expired JPS5221046Y2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP1971078484U JPS5221046Y2 (ja) 1971-08-31 1971-08-31
CA150,181A CA946508A (en) 1971-08-31 1972-08-25 Condenser microphone
NLAANVRAGE7211755,A NL177879C (nl) 1971-08-31 1972-08-29 Condensatormicrofoon en een werkwijze voor het vervaardigen van een microfoon van deze soort.
US00284466A US3775572A (en) 1971-08-31 1972-08-29 Condenser microphone
GB4005772A GB1384418A (en) 1971-08-31 1972-08-29 Capacitor microphones
IT7228720A IT968373B (it) 1971-08-31 1972-08-31 Microfono a condensatore e metodo di fabbricazione dello stesso
DE2242806A DE2242806C2 (de) 1971-08-31 1972-08-31 Kondensatormikrophon
FR7231011A FR2151061B1 (ja) 1971-08-31 1972-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971078484U JPS5221046Y2 (ja) 1971-08-31 1971-08-31

Publications (2)

Publication Number Publication Date
JPS4835339U JPS4835339U (ja) 1973-04-27
JPS5221046Y2 true JPS5221046Y2 (ja) 1977-05-14

Family

ID=13663251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971078484U Expired JPS5221046Y2 (ja) 1971-08-31 1971-08-31

Country Status (8)

Country Link
US (1) US3775572A (ja)
JP (1) JPS5221046Y2 (ja)
CA (1) CA946508A (ja)
DE (1) DE2242806C2 (ja)
FR (1) FR2151061B1 (ja)
GB (1) GB1384418A (ja)
IT (1) IT968373B (ja)
NL (1) NL177879C (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5618080Y2 (ja) * 1974-09-14 1981-04-27
JPS5411857Y2 (ja) * 1975-11-14 1979-05-26
GB2044037B (en) * 1978-12-23 1983-03-23 Tokyo Shibaura Electric Co Electrostatic microphone
SE428081B (sv) * 1981-10-07 1983-05-30 Ericsson Telefon Ab L M Tilledningsram for en elektretmikrofon
US4492825A (en) * 1982-07-28 1985-01-08 At&T Bell Laboratories Electroacoustic transducer
DE3415088C1 (de) * 1984-04-21 1985-09-12 Eugen Beyer, Elektrotechnische Fabrik GmbH & Co, 7100 Heilbronn Kondensatormikrofon
US4767973A (en) * 1987-07-06 1988-08-30 Sarcos Incorporated Systems and methods for sensing position and movement
US5854846A (en) * 1996-09-06 1998-12-29 Northrop Grumman Corporation Wafer fabricated electroacoustic transducer
DE19742249C2 (de) * 1997-09-25 1999-08-05 Georg Neumann Gmbh Berlin Mikrophon
AU4034400A (en) * 1999-04-12 2000-11-14 Knowles Electronics, Llc. Package for micromachined silicon condenser microphone
JP3861006B2 (ja) * 2000-04-26 2006-12-20 ホシデン株式会社 半導体エレクトレットコンデンサマイクロホン
KR100331600B1 (ko) * 2000-05-22 2002-04-06 김낙현 콘덴서 마이크로폰의 제조방법
US7136496B2 (en) * 2001-04-18 2006-11-14 Sonion Nederland B.V. Electret assembly for a microphone having a backplate with improved charge stability
US7062058B2 (en) * 2001-04-18 2006-06-13 Sonion Nederland B.V. Cylindrical microphone having an electret assembly in the end cover
US6937735B2 (en) * 2001-04-18 2005-08-30 SonionMicrotronic Néderland B.V. Microphone for a listening device having a reduced humidity coefficient
US8280082B2 (en) * 2002-10-08 2012-10-02 Sonion Nederland B.V. Electret assembly for a microphone having a backplate with improved charge stability
KR101276353B1 (ko) * 2011-12-09 2013-06-24 주식회사 비에스이 다기능 마이크로폰 조립체 및 그 제조방법
CN203708424U (zh) * 2013-12-30 2014-07-09 瑞声声学科技(深圳)有限公司 麦克风

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300585A (en) * 1963-09-04 1967-01-24 Northern Electric Co Self-polarized electrostatic microphone-semiconductor amplifier combination
DE1252258C2 (de) * 1965-04-13 1974-06-20 Nach dem elektrostatischen prinzip arbeitender elektroakustischer wandler und verfahren zu seiner herstellung
US3436492A (en) * 1966-01-17 1969-04-01 Northern Electric Co Field effect electroacoustic transducer
JPS5252581Y1 (ja) * 1970-10-08 1977-11-30

Also Published As

Publication number Publication date
NL177879C (nl) 1985-12-02
IT968373B (it) 1974-03-20
NL177879B (nl) 1985-07-01
DE2242806C2 (de) 1982-07-08
DE2242806A1 (de) 1973-03-08
FR2151061B1 (ja) 1977-01-14
CA946508A (en) 1974-04-30
FR2151061A1 (ja) 1973-04-13
NL7211755A (ja) 1973-03-02
GB1384418A (en) 1975-02-19
US3775572A (en) 1973-11-27
JPS4835339U (ja) 1973-04-27

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