CA1207429A - Electroacoustic transducer of the piezoelectric polymer type - Google Patents
Electroacoustic transducer of the piezoelectric polymer typeInfo
- Publication number
- CA1207429A CA1207429A CA000409046A CA409046A CA1207429A CA 1207429 A CA1207429 A CA 1207429A CA 000409046 A CA000409046 A CA 000409046A CA 409046 A CA409046 A CA 409046A CA 1207429 A CA1207429 A CA 1207429A
- Authority
- CA
- Canada
- Prior art keywords
- rigid plate
- plate
- transducer according
- electrodes
- face
- 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.)
- Expired
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 23
- 230000035945 sensitivity Effects 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims 2
- 239000002033 PVDF binder Substances 0.000 description 10
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KFYRPLNVJVHZGT-UHFFFAOYSA-N Amitriptyline hydrochloride Chemical compound Cl.C1CC2=CC=CC=C2C(=CCCN(C)C)C2=CC=CC=C21 KFYRPLNVJVHZGT-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006854 communication Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 241000283986 Lepus Species 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- YCKOAAUKSGOOJH-UHFFFAOYSA-N copper silver Chemical compound [Cu].[Ag].[Ag] YCKOAAUKSGOOJH-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
- H04R17/025—Microphones 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8115506A FR2511570A1 (fr) | 1981-08-11 | 1981-08-11 | Transducteur electroacoustique a polymere piezoelectrique |
| FR8115506 | 1981-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1207429A true CA1207429A (en) | 1986-07-08 |
Family
ID=9261361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000409046A Expired CA1207429A (en) | 1981-08-11 | 1982-08-09 | Electroacoustic transducer of the piezoelectric polymer type |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4535205A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0072288B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5840999A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1207429A (cg-RX-API-DMAC7.html) |
| DE (1) | DE3274945D1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2511570A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB2104345B (cg-RX-API-DMAC7.html) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5033093A (en) * | 1990-01-17 | 1991-07-16 | Peavey Electronics Corporation | Compact microphone and method of manufacture |
| FR2542550B1 (fr) * | 1983-03-07 | 1986-11-14 | Thomson Csf | Transducteur electroacoustique a correction acoustique integree |
| FR2542552B1 (fr) * | 1983-03-07 | 1986-04-11 | Thomson Csf | Transducteur electroacoustique a diaphragme piezo-electrique |
| FR2563959B1 (fr) * | 1984-05-04 | 1990-08-10 | Lewiner Jacques | Perfectionnements aux transducteurs electro-acoustiques a electret |
| US4789971A (en) * | 1986-04-07 | 1988-12-06 | The United States Of America As Represented By The Secretary Of The Navy | Broadband, acoustically transparent, nonresonant PVDF hydrophone |
| JPS63131500U (cg-RX-API-DMAC7.html) * | 1987-02-20 | 1988-08-29 | ||
| US5125032A (en) * | 1988-12-02 | 1992-06-23 | Erwin Meister | Talk/listen headset |
| EP0381796B1 (de) * | 1989-02-10 | 1995-08-09 | Siemens Aktiengesellschaft | Ultraschall-Sensor |
| US4937555A (en) * | 1989-04-04 | 1990-06-26 | The United States Of America As Represented By The Secretary Of Agriculture | Piezoelectric apparatus and process for detection of insect infestation in an agricultural commodity |
| US5005416A (en) * | 1989-04-04 | 1991-04-09 | The United States Of America As Represented By The Secretary Of Agriculture | Insect detection using a pitfall probe trap having vibration detection |
| GB8924393D0 (en) * | 1989-10-30 | 1989-12-20 | Marconi Co Ltd | Transducer testing |
| DE9114727U1 (de) * | 1991-11-27 | 1993-04-01 | Werma Signalgeräte GmbH, 7201 Rietheim-Weilheim | Piezoelektrischer Summer |
| US5811680A (en) * | 1993-06-13 | 1998-09-22 | Technion Research & Development Foundation Ltd. | Method and apparatus for testing the quality of fruit |
| US5889871A (en) * | 1993-10-18 | 1999-03-30 | The United States Of America As Represented By The Secretary Of The Navy | Surface-laminated piezoelectric-film sound transducer |
| US6049158A (en) * | 1994-02-14 | 2000-04-11 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same |
| US5406161A (en) * | 1994-05-24 | 1995-04-11 | Industrial Technology Research Institute | Piezoelectric composite receiver |
| FR2727215B1 (fr) * | 1994-11-18 | 1996-12-20 | Thomson Csf | Dispositif de veille panoramique infrarouge statique a detecteurs matriciels multiples |
| CA2187495A1 (en) * | 1995-10-31 | 1997-05-01 | Dan Charles Plitt | Electronic component assembly and method fhereof |
| US6067363A (en) * | 1996-06-03 | 2000-05-23 | Ericsson Inc. | Audio A/D convertor using frequency modulation |
| FR2750487B1 (fr) * | 1996-06-28 | 2005-10-21 | Thomson Csf | Revetement pour la protection personnelle d'un fantassin |
| US6140740A (en) * | 1997-12-30 | 2000-10-31 | Remon Medical Technologies, Ltd. | Piezoelectric transducer |
| US6463157B1 (en) * | 1998-10-06 | 2002-10-08 | Analytical Engineering, Inc. | Bone conduction speaker and microphone |
| US6347147B1 (en) * | 1998-12-07 | 2002-02-12 | The United States Of America As Represented By The Sceretary Of The Navy | High noise suppression microphone |
| US6222928B1 (en) * | 1999-05-10 | 2001-04-24 | The United States Of America As Represented By The Secretary Of The Navy | Universal impedance matcher for a microphone-to-radio connection |
| WO2001006575A1 (en) * | 1999-07-20 | 2001-01-25 | Sri International | Improved electroactive polymers |
| PT1221180E (pt) * | 1999-07-20 | 2010-11-26 | Stanford Res Inst Int | Polímeros electroactivos |
| EP1421821A4 (en) * | 2001-06-21 | 2006-11-22 | Unconventional Concepts Inc | RATIO SENSORS FOR HEAD-OPERATED CONTACT MICROPHONES |
| WO2003015469A1 (en) * | 2001-08-06 | 2003-02-20 | Measurement Specialties, Inc. | Acoustic sensor using cured piezoelectric film |
| FR2853968B1 (fr) * | 2003-04-17 | 2005-06-24 | Geophysique Cie Gle | Dispositif et procede de mesure d'ondes sismiques |
| SE526743C2 (sv) * | 2003-05-23 | 2005-11-01 | Goeran Ehrlund | Piezoelektrisk mikrofon |
| US7223243B2 (en) * | 2003-11-14 | 2007-05-29 | General Electric Co. | Thin film ultrasonic transmitter/receiver |
| US8369555B2 (en) * | 2006-10-27 | 2013-02-05 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Piezoelectric microphones |
| JP2012527835A (ja) * | 2009-05-18 | 2012-11-08 | ノールズ エレクトロニクス，リミテッド ライアビリティ カンパニー | 低振動感度を有するマイクロホン |
| US8447043B1 (en) | 2009-11-06 | 2013-05-21 | Charles Richard Abbruscato | Piezo element stethoscope |
| US8320576B1 (en) | 2009-11-06 | 2012-11-27 | Charles Richard Abbruscato | Piezo element stethoscope |
| US9185496B1 (en) | 2009-11-06 | 2015-11-10 | Charles Richard Abbruscato | Piezo element stethoscope |
| WO2012112540A2 (en) | 2011-02-15 | 2012-08-23 | Fujifilm Dimatix, Inc. | Piezoelectric transducers using micro-dome arrays |
| US10001574B2 (en) * | 2015-02-24 | 2018-06-19 | Amphenol (Maryland), Inc. | Hermetically sealed hydrophones with very low acceleration sensitivity |
| CN105245984B (zh) * | 2015-10-26 | 2018-01-19 | 苏州登堡电子科技有限公司 | 柱形接触式麦克风 |
| US11051112B2 (en) * | 2018-01-09 | 2021-06-29 | Cirrus Logic, Inc. | Multiple audio transducers driving a display to establish localized quiet zones |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4975182A (cg-RX-API-DMAC7.html) * | 1972-11-20 | 1974-07-19 | ||
| JPS5215972B2 (cg-RX-API-DMAC7.html) * | 1974-02-28 | 1977-05-06 | ||
| US4045695A (en) * | 1974-07-15 | 1977-08-30 | Pioneer Electronic Corporation | Piezoelectric electro-acoustic transducer |
| GB1520118A (en) * | 1975-08-11 | 1978-08-02 | Rank Organisation Ltd | Transducers |
| GB1565860A (en) * | 1976-04-02 | 1980-04-23 | Matsushita Electric Industrial Co Ltd | Microphone utilizing high-polymer piezoelectric membrane |
| US4056742A (en) * | 1976-04-30 | 1977-11-01 | Tibbetts Industries, Inc. | Transducer having piezoelectric film arranged with alternating curvatures |
| FR2460485A1 (fr) * | 1979-06-29 | 1981-01-23 | Thomson Csf | Capteur d'acceleration piezo-electrique a element transducteur en materiau polymere et systeme de securite pour centrifugeuse comportant un tel capteur |
| FR2473242A1 (fr) * | 1980-01-08 | 1981-07-10 | Thomson Csf | Transducteur electroacoustique a dome actif |
| FR2477822A1 (fr) * | 1980-03-04 | 1981-09-11 | Thomson Csf | Transducteur electromecanique a suspension active et son procede de fabrication |
-
1981
- 1981-08-11 FR FR8115506A patent/FR2511570A1/fr active Granted
-
1982
- 1982-07-27 DE DE8282401393T patent/DE3274945D1/de not_active Expired
- 1982-07-27 EP EP82401393A patent/EP0072288B1/fr not_active Expired
- 1982-08-09 GB GB08222882A patent/GB2104345B/en not_active Expired
- 1982-08-09 US US06/406,517 patent/US4535205A/en not_active Expired - Fee Related
- 1982-08-09 CA CA000409046A patent/CA1207429A/en not_active Expired
- 1982-08-10 JP JP57139077A patent/JPS5840999A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2104345A (en) | 1983-03-02 |
| FR2511570A1 (fr) | 1983-02-18 |
| GB2104345B (en) | 1985-06-19 |
| US4535205A (en) | 1985-08-13 |
| EP0072288A3 (en) | 1983-04-06 |
| DE3274945D1 (en) | 1987-02-05 |
| EP0072288A2 (fr) | 1983-02-16 |
| FR2511570B1 (cg-RX-API-DMAC7.html) | 1985-05-03 |
| JPS5840999A (ja) | 1983-03-10 |
| EP0072288B1 (fr) | 1986-12-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |