NO132015B - - Google Patents
Download PDFInfo
- Publication number
- NO132015B NO132015B NO4428/72A NO442872A NO132015B NO 132015 B NO132015 B NO 132015B NO 4428/72 A NO4428/72 A NO 4428/72A NO 442872 A NO442872 A NO 442872A NO 132015 B NO132015 B NO 132015B
- Authority
- NO
- Norway
- Prior art keywords
- electret
- film
- microphone
- plastic film
- electrode
- Prior art date
Links
- 239000002985 plastic film Substances 0.000 claims description 12
- 229920006255 plastic film Polymers 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 11
- 239000012528 membrane Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000011104 metalized film Substances 0.000 description 1
- 239000011140 metalized polyester Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE15456/71A SE362571B (da) | 1971-12-02 | 1971-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132015B true NO132015B (da) | 1975-05-26 |
| NO132015C NO132015C (da) | 1975-09-03 |
Family
ID=20300673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4428/72A NO132015C (da) | 1971-12-02 | 1972-12-01 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3812575A (da) |
| JP (1) | JPS5816000B2 (da) |
| AU (1) | AU467222B2 (da) |
| BR (1) | BR7208381D0 (da) |
| CA (1) | CA961974A (da) |
| CH (1) | CH555123A (da) |
| DE (1) | DE2257358C3 (da) |
| DK (1) | DK141150B (da) |
| ES (1) | ES409005A1 (da) |
| FI (1) | FI57679C (da) |
| FR (1) | FR2162194B1 (da) |
| GB (1) | GB1365257A (da) |
| IT (1) | IT971396B (da) |
| NL (1) | NL7216115A (da) |
| NO (1) | NO132015C (da) |
| SE (1) | SE362571B (da) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896274A (en) * | 1973-10-04 | 1975-07-22 | Thermo Electron Corp | Electret earphone |
| SE382297B (sv) * | 1974-08-15 | 1976-01-19 | Ericsson Telefon Ab L M | Forfarande for framstellning av en elektretmikrofon med ett noggrant bestemt luftgap. |
| JPS5636233Y2 (da) * | 1974-12-27 | 1981-08-26 | ||
| US4070741A (en) * | 1976-09-27 | 1978-01-31 | Genrad Inc. | Method of making an electret acoustic transducer |
| JPS53100228U (da) * | 1976-12-27 | 1978-08-14 | ||
| SE398588B (sv) * | 1977-03-23 | 1977-12-27 | Ericsson Telefon Ab L M | Temperaturstabil elektretmikrofon |
| JPS5754399Y2 (da) * | 1978-02-20 | 1982-11-25 | ||
| GB2079053B (en) * | 1980-06-30 | 1984-03-28 | Tokyo Shibaura Electric Co | Electret device |
| GB2079056B (en) * | 1980-06-30 | 1985-04-17 | Tokyo Shibaura Electric Co | Electret device |
| US4429190A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Continuous strip electret transducer array |
| DE8531503U1 (da) * | 1985-11-07 | 1987-03-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
| US4767973A (en) * | 1987-07-06 | 1988-08-30 | Sarcos Incorporated | Systems and methods for sensing position and movement |
| JPH02149199A (ja) * | 1988-11-30 | 1990-06-07 | Matsushita Electric Ind Co Ltd | エレクトレットコンデンサマイクロホン |
| US5408534A (en) * | 1992-03-05 | 1995-04-18 | Knowles Electronics, Inc. | Electret microphone assembly, and method of manufacturer |
| US5647007A (en) * | 1994-12-22 | 1997-07-08 | Helen Of Troy Limited | Optimized sound components for hair dryer stereo system |
| AT410498B (de) * | 2001-02-20 | 2003-05-26 | Akg Acoustics Gmbh | Elektroakustische kapsel |
| TW200629954A (en) * | 2004-11-02 | 2006-08-16 | Hosiden Corp | Condenser microphone and method for manufacturing substrate for the same |
| JP4245625B2 (ja) * | 2006-09-29 | 2009-03-25 | ホシデン株式会社 | エレクトレットコンデンサマイクロホン |
| JP5172198B2 (ja) * | 2007-04-27 | 2013-03-27 | 三洋電機株式会社 | エレクトレット素子および静電動作装置 |
| JP4944760B2 (ja) * | 2007-12-27 | 2012-06-06 | ホシデン株式会社 | エレクトレットコンデンサマイクロホン |
| TWI378733B (en) * | 2008-10-27 | 2012-12-01 | Htc Corp | Method for manufacturing electret diaphragm |
| KR101276350B1 (ko) * | 2011-07-04 | 2013-06-18 | 주식회사 비에스이 | 스프링 베이스를 이용한 접합형 콘덴서 마이크로폰 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1330592A (fr) * | 1961-08-07 | 1963-06-21 | Western Electric Co | Transducteur électrostatique |
| US3118022A (en) * | 1961-08-07 | 1964-01-14 | Bell Telephone Labor Inc | Electroacoustic transducer |
| FR1354631A (fr) * | 1962-05-22 | 1964-03-06 | Western Electric Co | Transducteur électroacoustique |
| US3436492A (en) * | 1966-01-17 | 1969-04-01 | Northern Electric Co | Field effect electroacoustic transducer |
| US3612778A (en) * | 1967-05-15 | 1971-10-12 | Thermo Electron Corp | Electret acoustic transducer and method of making |
-
1971
- 1971-12-02 SE SE15456/71A patent/SE362571B/xx unknown
-
1972
- 1972-11-14 FI FI3188/72A patent/FI57679C/sv active
- 1972-11-20 DE DE2257358A patent/DE2257358C3/de not_active Expired
- 1972-11-22 US US00308832A patent/US3812575A/en not_active Expired - Lifetime
- 1972-11-23 CH CH1707072A patent/CH555123A/xx not_active IP Right Cessation
- 1972-11-23 AU AU49176/72A patent/AU467222B2/en not_active Expired
- 1972-11-27 ES ES409005A patent/ES409005A1/es not_active Expired
- 1972-11-28 NL NL7216115A patent/NL7216115A/xx not_active Application Discontinuation
- 1972-11-29 BR BR008381/72A patent/BR7208381D0/pt unknown
- 1972-11-30 IT IT32313/72A patent/IT971396B/it active
- 1972-12-01 CA CA158,473A patent/CA961974A/en not_active Expired
- 1972-12-01 GB GB5573172A patent/GB1365257A/en not_active Expired
- 1972-12-01 DK DK603072AA patent/DK141150B/da not_active IP Right Cessation
- 1972-12-01 NO NO4428/72A patent/NO132015C/no unknown
- 1972-12-01 FR FR7242899A patent/FR2162194B1/fr not_active Expired
- 1972-12-02 JP JP47120344A patent/JPS5816000B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2162194B1 (da) | 1976-06-04 |
| IT971396B (it) | 1974-04-30 |
| DE2257358A1 (de) | 1973-06-14 |
| DE2257358C3 (de) | 1980-09-25 |
| US3812575A (en) | 1974-05-28 |
| AU4917672A (en) | 1974-05-23 |
| CA961974A (en) | 1975-01-28 |
| DK141150C (da) | 1980-07-07 |
| FI57679B (fi) | 1980-05-30 |
| JPS5816000B2 (ja) | 1983-03-29 |
| FI57679C (fi) | 1980-09-10 |
| NO132015C (da) | 1975-09-03 |
| SE362571B (da) | 1973-12-10 |
| FR2162194A1 (da) | 1973-07-13 |
| CH555123A (de) | 1974-10-15 |
| BR7208381D0 (pt) | 1973-08-30 |
| GB1365257A (en) | 1974-08-29 |
| JPS4864917A (da) | 1973-09-07 |
| DK141150B (da) | 1980-01-21 |
| ES409005A1 (es) | 1975-10-16 |
| NL7216115A (da) | 1973-06-05 |
| DE2257358B2 (de) | 1976-01-15 |
| AU467222B2 (en) | 1975-11-27 |
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