GB2111799A - Electro acoustic transducer - Google Patents
Electro acoustic transducer Download PDFInfo
- Publication number
- GB2111799A GB2111799A GB08222881A GB8222881A GB2111799A GB 2111799 A GB2111799 A GB 2111799A GB 08222881 A GB08222881 A GB 08222881A GB 8222881 A GB8222881 A GB 8222881A GB 2111799 A GB2111799 A GB 2111799A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plate
- transducer
- electrodes
- faces
- polarized
- 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.)
- Withdrawn
Links
- 230000010287 polarization Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 description 19
- 239000012528 membrane Substances 0.000 description 18
- 230000014509 gene expression Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000002775 capsule Substances 0.000 description 8
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 8
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000050051 Chelone glabra Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 241000206607 Porphyra umbilicalis Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920006112 polar polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000011800 void material Substances 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8115507A FR2511571A1 (fr) | 1981-08-11 | 1981-08-11 | Transducteur electroacoustique a condensateur a dielectrique solide polarise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2111799A true GB2111799A (en) | 1983-07-06 |
Family
ID=9261362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08222881A Withdrawn GB2111799A (en) | 1981-08-11 | 1982-08-09 | Electro acoustic transducer |
Country Status (5)
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3425176A1 (de) * | 1984-07-09 | 1986-02-20 | Fernsprech Und Signalbau Kg Sc | Piezoelektrische fernsprechkapsel |
| DE3425175A1 (de) * | 1984-07-09 | 1986-03-27 | Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen | Piezoelektrischer, akustischer wandler |
| US6804363B2 (en) | 2002-04-11 | 2004-10-12 | Rion Co., Ltd. | Electroacoustic transducer |
| DE102010021157A1 (de) * | 2010-05-21 | 2011-11-24 | Daniela Manger | 3D-Stereospaltmikrofon |
| EP2549557A3 (en) * | 2011-07-20 | 2014-03-05 | Samsung Electronics Co., Ltd. | Electric energy generating device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2542552B1 (fr) * | 1983-03-07 | 1986-04-11 | Thomson Csf | Transducteur electroacoustique a diaphragme piezo-electrique |
| DE3825973A1 (de) * | 1988-07-29 | 1990-02-01 | Siemens Ag | Elektroakustischer einheitswandler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1131741B (de) * | 1961-02-03 | 1962-06-20 | Siemens Ag | Elektrostriktive Membran fuer einen elektroakustischen Wandler |
| FR1334235A (fr) * | 1961-09-29 | 1963-08-02 | Siemens Ag | Transformateur électro-acoustique |
| US4170742A (en) * | 1974-07-15 | 1979-10-09 | Pioneer Electronic Corporation | Piezoelectric transducer with multiple electrode areas |
| GB1520118A (en) * | 1975-08-11 | 1978-08-02 | Rank Organisation Ltd | Transducers |
| GB1565860A (en) * | 1976-04-02 | 1980-04-23 | Matsushita Electric Ind Co Ltd | Microphone utilizing high-polymer piezoelectric membrane |
-
1981
- 1981-08-11 FR FR8115507A patent/FR2511571A1/fr active Granted
-
1982
- 1982-07-27 EP EP82401394A patent/EP0072289A3/fr not_active Withdrawn
- 1982-08-09 GB GB08222881A patent/GB2111799A/en not_active Withdrawn
- 1982-08-10 JP JP57139076A patent/JPS5841000A/ja active Pending
- 1982-08-10 KR KR1019820003586A patent/KR840001425A/ko not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3425176A1 (de) * | 1984-07-09 | 1986-02-20 | Fernsprech Und Signalbau Kg Sc | Piezoelektrische fernsprechkapsel |
| DE3425175A1 (de) * | 1984-07-09 | 1986-03-27 | Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen | Piezoelektrischer, akustischer wandler |
| DE3425176C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1984-07-09 | 1989-03-16 | Fernsprech- Und Signalbau Gmbh & Co Kg Schueler & Vershoven, 4300 Essen, De | |
| US6804363B2 (en) | 2002-04-11 | 2004-10-12 | Rion Co., Ltd. | Electroacoustic transducer |
| DE102010021157A1 (de) * | 2010-05-21 | 2011-11-24 | Daniela Manger | 3D-Stereospaltmikrofon |
| EP2549557A3 (en) * | 2011-07-20 | 2014-03-05 | Samsung Electronics Co., Ltd. | Electric energy generating device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR840001425A (ko) | 1984-04-30 |
| EP0072289A3 (fr) | 1983-04-06 |
| JPS5841000A (ja) | 1983-03-10 |
| EP0072289A2 (fr) | 1983-02-16 |
| FR2511571A1 (fr) | 1983-02-18 |
| FR2511571B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |