FR2511571B1 - - Google Patents
Info
- Publication number
- FR2511571B1 FR2511571B1 FR8115507A FR8115507A FR2511571B1 FR 2511571 B1 FR2511571 B1 FR 2511571B1 FR 8115507 A FR8115507 A FR 8115507A FR 8115507 A FR8115507 A FR 8115507A FR 2511571 B1 FR2511571 B1 FR 2511571B1
- Authority
- FR
- France
- 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
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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
- 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
- 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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8115507A FR2511571A1 (fr) | 1981-08-11 | 1981-08-11 | Transducteur electroacoustique a condensateur a dielectrique solide polarise |
| EP82401394A EP0072289A3 (fr) | 1981-08-11 | 1982-07-27 | Transducteur électroacoustique à condensateur à diélectrique intrinséquement polarisé |
| GB08222881A GB2111799A (en) | 1981-08-11 | 1982-08-09 | Electro acoustic transducer |
| KR1019820003586A KR840001425A (ko) | 1981-08-11 | 1982-08-10 | 분극된 고체유전 캐패시터 전자-음향 변환기 |
| JP57139076A JPS5841000A (ja) | 1981-08-11 | 1982-08-10 | 分極された固体誘電体を含むコンデンサ形電気音響変換器 |
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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2511571A1 FR2511571A1 (fr) | 1983-02-18 |
| FR2511571B1 true FR2511571B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-12-02 |
Family
ID=9261362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8115507A Granted FR2511571A1 (fr) | 1981-08-11 | 1981-08-11 | Transducteur electroacoustique a condensateur a dielectrique solide polarise |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2542552B1 (fr) * | 1983-03-07 | 1986-04-11 | Thomson Csf | Transducteur electroacoustique a diaphragme piezo-electrique |
| DE3425175A1 (de) * | 1984-07-09 | 1986-03-27 | Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen | Piezoelektrischer, akustischer wandler |
| DE3425176A1 (de) * | 1984-07-09 | 1986-02-20 | Fernsprech Und Signalbau Kg Sc | Piezoelektrische fernsprechkapsel |
| DE3825973A1 (de) * | 1988-07-29 | 1990-02-01 | Siemens Ag | Elektroakustischer einheitswandler |
| JP4522696B2 (ja) * | 2002-04-11 | 2010-08-11 | リオン株式会社 | 電気音響変換器 |
| DE102010021157A1 (de) * | 2010-05-21 | 2011-11-24 | Daniela Manger | 3D-Stereospaltmikrofon |
| KR101781551B1 (ko) * | 2011-07-20 | 2017-09-27 | 삼성전자주식회사 | 전기에너지 발생 소자 및 그 구동방법 |
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 |
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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
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 |
| GB2111799A (en) | 1983-07-06 |