DE1639444B2 - Elektroakustischer wandler - Google Patents
Elektroakustischer wandlerInfo
- Publication number
- DE1639444B2 DE1639444B2 DE19681639444 DE1639444A DE1639444B2 DE 1639444 B2 DE1639444 B2 DE 1639444B2 DE 19681639444 DE19681639444 DE 19681639444 DE 1639444 A DE1639444 A DE 1639444A DE 1639444 B2 DE1639444 B2 DE 1639444B2
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- electret
- electrode
- grid
- converter according
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 63
- 239000002184 metal Substances 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 229910001111 Fine metal Inorganic materials 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 description 16
- 239000010408 film Substances 0.000 description 10
- 230000010287 polarization Effects 0.000 description 9
- 230000007423 decrease Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 229920002799 BoPET Polymers 0.000 description 4
- 239000005041 Mylar™ Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
- H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63846367A | 1967-05-15 | 1967-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1639444A1 DE1639444A1 (de) | 1971-04-22 |
| DE1639444B2 true DE1639444B2 (de) | 1972-08-03 |
Family
ID=24560137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681639444 Pending DE1639444B2 (de) | 1967-05-15 | 1968-01-16 | Elektroakustischer wandler |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5025160B1 (ja) |
| DE (1) | DE1639444B2 (ja) |
| GB (3) | GB1230402A (ja) |
| NL (1) | NL167542C (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2430068A1 (de) * | 1973-06-26 | 1975-01-16 | Akg Akustische Kino Geraete | Kondensatormikrophon |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4815868B1 (ja) * | 1969-08-28 | 1973-05-17 | ||
| JPS5121334B2 (ja) * | 1971-08-27 | 1976-07-01 | ||
| CA989514A (en) * | 1972-09-08 | 1976-05-18 | Loh-Yi Chang | Electromechanical transducer and method of making same |
| JPS5130997A (en) * | 1974-09-11 | 1976-03-16 | Kureha Chemical Ind Co Ltd | Kobunshifuirumu no renzokuseikyokuhoho |
| US4085297A (en) * | 1977-06-13 | 1978-04-18 | Polaroid Corporation | Spring force biasing means for electroacoustical transducer components |
| JPS57188105A (en) * | 1981-05-14 | 1982-11-19 | Toshiba Corp | Electret constituent |
| JP5691085B2 (ja) * | 2012-07-25 | 2015-04-01 | 株式会社ビスキャス | 振動発電体およびこれを用いた発電方法 |
| RU181900U1 (ru) * | 2018-04-16 | 2018-07-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Устройство для изготовления электретов |
| KR102337495B1 (ko) | 2019-12-20 | 2021-12-09 | 삼성에스디아이 주식회사 | 부하 제어회로 감지시스템 |
-
1968
- 1968-01-16 DE DE19681639444 patent/DE1639444B2/de active Pending
- 1968-04-02 GB GB1230402D patent/GB1230402A/en not_active Expired
- 1968-04-02 GB GB1230404D patent/GB1230404A/en not_active Expired
- 1968-04-02 GB GB1230403D patent/GB1230403A/en not_active Expired
- 1968-04-25 NL NL6805919A patent/NL167542C/xx not_active IP Right Cessation
-
1969
- 1969-12-19 JP JP10174669A patent/JPS5025160B1/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2430068A1 (de) * | 1973-06-26 | 1975-01-16 | Akg Akustische Kino Geraete | Kondensatormikrophon |
Also Published As
| Publication number | Publication date |
|---|---|
| NL167542C (nl) | 1981-12-16 |
| GB1230403A (ja) | 1971-05-05 |
| NL6805919A (ja) | 1968-11-18 |
| JPS5025160B1 (ja) | 1975-08-21 |
| DE1639444A1 (de) | 1971-04-22 |
| GB1230402A (ja) | 1971-05-05 |
| GB1230404A (ja) | 1971-05-05 |
| NL167542B (nl) | 1981-07-16 |
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