ES552833A0 - Un transductor de electreto. - Google Patents

Un transductor de electreto.

Info

Publication number
ES552833A0
ES552833A0 ES552833A ES552833A ES552833A0 ES 552833 A0 ES552833 A0 ES 552833A0 ES 552833 A ES552833 A ES 552833A ES 552833 A ES552833 A ES 552833A ES 552833 A0 ES552833 A0 ES 552833A0
Authority
ES
Spain
Prior art keywords
electret transducer
electret
transducer
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
ES552833A
Other languages
English (en)
Other versions
ES8802357A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Security Systems Inc
Original Assignee
Telex Communications Inc
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 Telex Communications Inc filed Critical Telex Communications Inc
Publication of ES552833A0 publication Critical patent/ES552833A0/es
Publication of ES8802357A1 publication Critical patent/ES8802357A1/es
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49226—Electret making

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
ES552833A 1985-03-11 1986-03-10 Un transductor de electreto. Expired ES8802357A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/710,225 US4701640A (en) 1985-03-11 1985-03-11 Electret transducer and method of fabrication

Publications (2)

Publication Number Publication Date
ES552833A0 true ES552833A0 (es) 1988-05-01
ES8802357A1 ES8802357A1 (es) 1988-05-01

Family

ID=24853145

Family Applications (3)

Application Number Title Priority Date Filing Date
ES552833A Expired ES8802357A1 (es) 1985-03-11 1986-03-10 Un transductor de electreto.
ES557799A Expired ES8802632A1 (es) 1985-03-11 1988-01-15 Un procedimiento para la fabricacion de componentes transductores de electreto
ES557847A Expired ES8900084A1 (es) 1985-03-11 1988-06-13 Procedimiento para fabricar un microfono

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES557799A Expired ES8802632A1 (es) 1985-03-11 1988-01-15 Un procedimiento para la fabricacion de componentes transductores de electreto
ES557847A Expired ES8900084A1 (es) 1985-03-11 1988-06-13 Procedimiento para fabricar un microfono

Country Status (7)

Country Link
US (1) US4701640A (es)
EP (1) EP0194958A3 (es)
JP (1) JPS61208400A (es)
AU (1) AU585318B2 (es)
DE (1) DE194958T1 (es)
DK (1) DK107586A (es)
ES (3) ES8802357A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9101563A (nl) * 1991-09-17 1993-04-16 Microtel Bv Elektroacoustische transducent van het elektreet type.
US5408534A (en) * 1992-03-05 1995-04-18 Knowles Electronics, Inc. Electret microphone assembly, and method of manufacturer
US5548658A (en) * 1994-06-06 1996-08-20 Knowles Electronics, Inc. Acoustic Transducer
NL1009544C2 (nl) * 1998-07-02 2000-01-10 Microtronic Nederland Bv Stelsel bestaande uit een microfoon en een voorversterker.
US6532293B1 (en) 2000-02-08 2003-03-11 Knowles Electronics Llc Acoustical transducer with reduced parasitic capacitance
KR100331600B1 (ko) * 2000-05-22 2002-04-06 김낙현 콘덴서 마이크로폰의 제조방법
WO2002073673A1 (en) 2001-03-13 2002-09-19 Rochester Institute Of Technology A micro-electro-mechanical switch and a method of using and making thereof
AU2002303933A1 (en) 2001-05-31 2002-12-09 Rochester Institute Of Technology Fluidic valves, agitators, and pumps and methods thereof
US6841917B2 (en) * 2001-06-11 2005-01-11 Rochester Institute Of Technology Electrostatic levitation and attraction systems and methods
US7065224B2 (en) 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
US7211923B2 (en) 2001-10-26 2007-05-01 Nth Tech Corporation Rotational motion based, electrostatic power source and methods thereof
US7378775B2 (en) 2001-10-26 2008-05-27 Nth Tech Corporation Motion based, electrostatic power source and methods thereof
US7184563B2 (en) * 2003-03-04 2007-02-27 Knowles Electronics Llc. Electret condenser microphone
US7217582B2 (en) 2003-08-29 2007-05-15 Rochester Institute Of Technology Method for non-damaging charge injection and a system thereof
US7287328B2 (en) 2003-08-29 2007-10-30 Rochester Institute Of Technology Methods for distributed electrode injection
TW200514458A (en) * 2003-09-08 2005-04-16 Sambu Communics Co Ltd Condenser microphone using space efficiently and having no characteristic variations
US8581308B2 (en) 2004-02-19 2013-11-12 Rochester Institute Of Technology High temperature embedded charge devices and methods thereof
US7415121B2 (en) 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
DE102012219915A1 (de) 2012-10-31 2014-04-30 Sennheiser Electronic Gmbh & Co. Kg Verfahren zum Herstellen eines Kondensatormikrofons und Kondensatormikrofon
US9398389B2 (en) 2013-05-13 2016-07-19 Knowles Electronics, Llc Apparatus for securing components in an electret condenser microphone (ECM)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE379053C (de) * 1923-08-15 Erich F Huth G M B H Dr Vorrichtung zur Wiedergabe von Lauten
US1622039A (en) * 1925-05-02 1927-03-22 Frederick W Lee Apparatus for and method of reproducing sound
GB1262506A (en) * 1968-04-29 1972-02-02 Lloyd Joseph Bobb Electrostatic loudspeaker
JPS4861126A (es) * 1971-12-02 1973-08-27
US4331840A (en) * 1980-02-22 1982-05-25 Lectret S.A. Electret transducer with tapered acoustic chamber
US4418246A (en) * 1980-10-29 1983-11-29 Tibbetts Industries, Inc. Cell assembly for electret transducer
US4492825A (en) * 1982-07-28 1985-01-08 At&T Bell Laboratories Electroacoustic transducer
US4558184A (en) * 1983-02-24 1985-12-10 At&T Bell Laboratories Integrated capacitive transducer
SE438233B (sv) * 1983-08-19 1985-04-01 Ericsson Telefon Ab L M Elektretmikrofon
US4513348A (en) * 1984-01-13 1985-04-23 United Technologies Corporation Low parasitic capacitance pressure transducer and etch stop method
US4567382A (en) * 1984-04-10 1986-01-28 Microtel B.V. Electret transducer and a method for manufacturing an assembly of backplate, electret foil and diaphragm plate

Also Published As

Publication number Publication date
AU5445686A (en) 1986-09-18
JPS61208400A (ja) 1986-09-16
ES557799A0 (es) 1988-10-16
DK107586A (da) 1986-09-12
DE194958T1 (de) 1986-12-18
ES8900084A1 (es) 1988-11-16
ES557847A0 (es) 1988-11-16
EP0194958A3 (en) 1988-09-21
EP0194958A2 (en) 1986-09-17
DK107586D0 (da) 1986-03-10
US4701640A (en) 1987-10-20
AU585318B2 (en) 1989-06-15
ES8802357A1 (es) 1988-05-01
ES8802632A1 (es) 1988-10-16

Similar Documents

Publication Publication Date Title
ES519895A0 (es) Un transductor electro-acustico.
DE3852538D1 (de) Elektroakustischer Wandler.
NO875113D0 (no) Transduser.
DE68914268D1 (de) Elektroakustischer Wandler.
IT8322325A0 (it) Trasduttore di forza.
ES552833A0 (es) Un transductor de electreto.
DE3483708D1 (de) Kraftsensor.
NL190915C (nl) Akoestische omzetter met verbeterde elektrodescheiding.
DE3672711D1 (de) Ueberwachungstonerkennung.
DE3678543D1 (de) Akustische signalvorrichtung.
DE3683626D1 (de) Elektrostatischer luft-ultraschallwandler.
NO860446L (no) Akustisk generator.
NL191225C (nl) Elektro-akoestische transducent.
IT8622545A0 (it) Trasduttore ottico.
IT8522080A0 (it) Mezzi trasduttori.
NO881086D0 (no) Moment-transduser.
AR229045A1 (es) Disposicion de transductor electroacustico
DE58908955D1 (de) Elektroakustischer Wandler.
AR226002A1 (es) Disposicion de transductor electroacustico
NL193041B (nl) Microfoonstelsel.
GB2180429B (en) An electroacoustic transducer arrangement
IT8819593A0 (it) Trasduttore.
DK547381A (da) Elektrodynamisk transducer
IT8621536A0 (it) Diaframma per un trasduttore elettromeccanico.
ES290342Y (es) Transductor de sonido

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401