JPS5121334B2 - - Google Patents

Info

Publication number
JPS5121334B2
JPS5121334B2 JP46065679A JP6567971A JPS5121334B2 JP S5121334 B2 JPS5121334 B2 JP S5121334B2 JP 46065679 A JP46065679 A JP 46065679A JP 6567971 A JP6567971 A JP 6567971A JP S5121334 B2 JPS5121334 B2 JP S5121334B2
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
JP46065679A
Other languages
Japanese (ja)
Other versions
JPS4831933A (US20080094685A1-20080424-C00004.png
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 JP46065679A priority Critical patent/JPS5121334B2/ja
Priority to US05/282,765 priority patent/US4014091A/en
Priority to CA150,180A priority patent/CA970884A/en
Publication of JPS4831933A publication Critical patent/JPS4831933A/ja
Publication of JPS5121334B2 publication Critical patent/JPS5121334B2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1056—Perforating lamina
    • 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
    • Y10T29/49005—Acoustic transducer
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP46065679A 1971-08-27 1971-08-27 Expired JPS5121334B2 (US20080094685A1-20080424-C00004.png)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP46065679A JPS5121334B2 (US20080094685A1-20080424-C00004.png) 1971-08-27 1971-08-27
US05/282,765 US4014091A (en) 1971-08-27 1972-08-22 Method and apparatus for an electret transducer
CA150,180A CA970884A (en) 1971-08-27 1972-08-25 Method and apparatus for an electret transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46065679A JPS5121334B2 (US20080094685A1-20080424-C00004.png) 1971-08-27 1971-08-27

Publications (2)

Publication Number Publication Date
JPS4831933A JPS4831933A (US20080094685A1-20080424-C00004.png) 1973-04-26
JPS5121334B2 true JPS5121334B2 (US20080094685A1-20080424-C00004.png) 1976-07-01

Family

ID=13293914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46065679A Expired JPS5121334B2 (US20080094685A1-20080424-C00004.png) 1971-08-27 1971-08-27

Country Status (3)

Country Link
US (1) US4014091A (US20080094685A1-20080424-C00004.png)
JP (1) JPS5121334B2 (US20080094685A1-20080424-C00004.png)
CA (1) CA970884A (US20080094685A1-20080424-C00004.png)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5158884A (en) * 1974-11-20 1976-05-22 Kureha Chemical Ind Co Ltd Atsuden mataha shodensoshinoseizohoho
JPS5636233Y2 (US20080094685A1-20080424-C00004.png) * 1974-12-27 1981-08-26
DE2608427C2 (de) * 1976-03-01 1984-07-19 Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen Verfahren zum Aufkitten von Halbleiterscheiben
US4127681A (en) * 1976-09-24 1978-11-28 Pennwalt Corporation Single electrode poling of dielectric films
US4249043A (en) * 1977-12-02 1981-02-03 The Post Office Electret transducer backplate, electret transducer and method of making an electret transducer
US4302633A (en) * 1980-03-28 1981-11-24 Hosiden Electronics Co., Ltd. Electrode plate electret of electro-acoustic transducer and its manufacturing method
AT366862B (de) * 1980-07-28 1982-05-10 Akg Akustische Kino Geraete Elektroakustischer wandler nach dem zweiwegprinzip
DE3103357C2 (de) * 1981-01-31 1982-10-21 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Ultraschallwandler
US4442324A (en) * 1982-06-24 1984-04-10 Tibbetts Industries, Inc. Encapsulated backplate for electret transducers
FR2563959B1 (fr) * 1984-05-04 1990-08-10 Lewiner Jacques Perfectionnements aux transducteurs electro-acoustiques a electret
US4764690A (en) * 1986-06-18 1988-08-16 Lectret S.A. Electret transducing
US5408534A (en) * 1992-03-05 1995-04-18 Knowles Electronics, Inc. Electret microphone assembly, and method of manufacturer
US5574794A (en) * 1995-01-19 1996-11-12 Earmark, Inc. Microphone assembly for adhesive attachment to a vibratory surface
WO1997039464A1 (en) * 1996-04-18 1997-10-23 California Institute Of Technology Thin film electret microphone
US5952645A (en) * 1996-08-27 1999-09-14 California Institute Of Technology Light-sensing array with wedge-like reflective optical concentrators
DE19814101A1 (de) * 1998-03-30 1999-10-14 Fresenius Medical Care De Gmbh Verfahren zur luftdichten Verbindung zweier Membranen
DK79198A (da) * 1998-06-11 1999-12-12 Microtronic As Fremgangsmåde til fremstilling af en transducer med en membran med en forudbestemt opspændingskraft
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
KR100408815B1 (ko) * 2001-12-13 2003-12-06 주식회사 비에스이 초고전하보존 특성을 갖는 다층 일렉트릿 및 그 제조방법
US20040043221A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Method of adhering a film and articles therefrom
US20040043248A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Phosphorescent elecret films and methods of making the same
US20040040652A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Methods for electrostatically adhering an article to a substrate
US6805048B2 (en) * 2002-08-30 2004-10-19 3M Innovative Properties Company Method of marking a substrate using an electret stencil
US20040202820A1 (en) * 2002-08-30 2004-10-14 3M Innovative Properties Company Perforated electret articles and method of making the same
AU2003256358A1 (en) * 2002-08-30 2004-03-19 3M Innovative Properties Company Method of making writable erasable articles and articles therefrom
EP2437519A1 (en) * 2003-07-22 2012-04-04 Toho Kasei Co., Ltd. Heat resistant electret material and heat resistant electret
EP1890521A4 (en) * 2005-06-06 2009-05-13 Panasonic Corp METHOD FOR TRANSFORMING A CONDENSER MICROPHONE IN ELECTRET, ELECTRET REVERSE DEVICE AND METHOD FOR PRODUCING THE CONDENSER MICROPHONE THEREWITH
US20070023690A1 (en) * 2005-07-01 2007-02-01 Yuki Tsuchiya Method of producing heat-resistant electrically charged fluororesin material and method of producing electret condenser microphone using heat-resistant electrically charged fluororesin material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2284039A (en) * 1940-07-16 1942-05-26 Bruno Patents Inc Reproduction of sound
US2906658A (en) * 1958-02-05 1959-09-29 Du Pont Method for the preparation of cementable fluorocarbon polymer surfaces
US3130101A (en) * 1961-08-11 1964-04-21 William G Gittins Manufacture of plastic covered panels for use in building construction
US3276031A (en) * 1963-01-14 1966-09-27 Gen Electric Thermoplastic information recording utilizing electrets
US3373251A (en) * 1965-02-23 1968-03-12 Shure Bros Electrostatic transducer
DE1639444B2 (de) * 1967-05-15 1972-08-03 Thermo Electron Engineering Corp., Waltham, Mass. (V.StA.) Elektroakustischer wandler
US3575762A (en) * 1969-09-23 1971-04-20 American Can Co Method of laminating an extruded thermoplastic film to a preheated thin metal foil web

Also Published As

Publication number Publication date
US4014091A (en) 1977-03-29
JPS4831933A (US20080094685A1-20080424-C00004.png) 1973-04-26
CA970884A (en) 1975-07-08

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