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
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
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- 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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP46065679A JPS5121334B2 (ja) | 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 (ja) | 1971-08-27 | 1971-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4831933A JPS4831933A (ja) | 1973-04-26 |
JPS5121334B2 true JPS5121334B2 (ja) | 1976-07-01 |
Family
ID=13293914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP46065679A Expired JPS5121334B2 (ja) | 1971-08-27 | 1971-08-27 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4014091A (ja) |
JP (1) | JPS5121334B2 (ja) |
CA (1) | CA970884A (ja) |
Families Citing this family (28)
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 (ja) * | 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 |
US6243474B1 (en) | 1996-04-18 | 2001-06-05 | 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 |
US6805048B2 (en) * | 2002-08-30 | 2004-10-19 | 3M Innovative Properties Company | Method of marking a substrate using an electret stencil |
US20040043248A1 (en) * | 2002-08-30 | 2004-03-04 | 3M Innovative Properties Company | Phosphorescent elecret films and methods of making the same |
US20040202820A1 (en) * | 2002-08-30 | 2004-10-14 | 3M Innovative Properties Company | Perforated electret articles and method of making the same |
US20040043221A1 (en) * | 2002-08-30 | 2004-03-04 | 3M Innovative Properties Company | Method of adhering a film and articles therefrom |
US20040040652A1 (en) * | 2002-08-30 | 2004-03-04 | 3M Innovative Properties Company | Methods for electrostatically adhering an article to a substrate |
JP2005537358A (ja) * | 2002-08-30 | 2005-12-08 | スリーエム イノベイティブ プロパティズ カンパニー | 消去可能な物品の製造方法およびその物品 |
ATE556544T1 (de) * | 2003-07-22 | 2012-05-15 | Toho Kasei Co Ltd | Material für ein wärmebständiges elektret und wärmebeständiges elektret |
WO2006132193A1 (ja) | 2005-06-06 | 2006-12-14 | Matsushita Electric Industrial Co., Ltd. | コンデンサマイクロホンのエレクトレット化方法、エレクトレット化装置およびこれを用いたコンデンサマイクロホンの製造方法 |
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)
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 |
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1971
- 1971-08-27 JP JP46065679A patent/JPS5121334B2/ja not_active Expired
-
1972
- 1972-08-22 US US05/282,765 patent/US4014091A/en not_active Expired - Lifetime
- 1972-08-25 CA CA150,180A patent/CA970884A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA970884A (en) | 1975-07-08 |
JPS4831933A (ja) | 1973-04-26 |
US4014091A (en) | 1977-03-29 |