TWI343755B - Transducer - Google Patents
Transducer Download PDFInfo
- Publication number
- TWI343755B TWI343755B TW093127527A TW93127527A TWI343755B TW I343755 B TWI343755 B TW I343755B TW 093127527 A TW093127527 A TW 093127527A TW 93127527 A TW93127527 A TW 93127527A TW I343755 B TWI343755 B TW I343755B
- Authority
- TW
- Taiwan
- Prior art keywords
- transducer
- resonant element
- mode
- frequency range
- short
- Prior art date
Links
- 238000013016 damping Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 3
- 102100035353 Cyclin-dependent kinase 2-associated protein 1 Human genes 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 150000001954 decanoic acid esters Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 235000012431 wafers Nutrition 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
-
- 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
-
- 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
- H04R7/04—Plane diaphragms
-
- 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
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0321292.5A GB0321292D0 (en) | 2003-09-11 | 2003-09-11 | Transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200522760A TW200522760A (en) | 2005-07-01 |
| TWI343755B true TWI343755B (en) | 2011-06-11 |
Family
ID=29226902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW093127527A TWI343755B (en) | 2003-09-11 | 2004-09-10 | Transducer |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1665879B1 (de) |
| JP (1) | JP5128127B2 (de) |
| KR (1) | KR101176671B1 (de) |
| CN (1) | CN1839659B (de) |
| DE (1) | DE602004005060T2 (de) |
| GB (1) | GB0321292D0 (de) |
| HK (1) | HK1094748A1 (de) |
| TW (1) | TWI343755B (de) |
| WO (1) | WO2005027571A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0414652D0 (en) * | 2004-06-30 | 2004-08-04 | New Transducers Ltd | Transducer or actuator |
| JP6304168B2 (ja) * | 2015-08-06 | 2018-04-04 | Tdk株式会社 | 圧電モジュール |
| US10356523B2 (en) * | 2017-12-13 | 2019-07-16 | Nvf Tech Ltd | Distributed mode loudspeaker actuator including patterned electrodes |
| US10681471B2 (en) | 2017-12-22 | 2020-06-09 | Google Llc | Two-dimensional distributed mode actuator |
| US10631072B2 (en) * | 2018-06-25 | 2020-04-21 | Google Llc | Actuator for distributed mode loudspeaker with extended damper and systems including the same |
| JP7148481B2 (ja) | 2019-12-04 | 2022-10-05 | エルジー ディスプレイ カンパニー リミテッド | 表示装置 |
| KR20220128355A (ko) | 2020-01-17 | 2022-09-20 | 썬전 샥 컴퍼니 리미티드 | 마이크로폰 및 그 마이크로폰을 구비하는 전자 디바이스 |
| WO2021142913A1 (en) * | 2020-01-17 | 2021-07-22 | Shenzhen Voxtech Co., Ltd. | Microphone and electronic device having the same |
| BR112022012943A2 (pt) * | 2020-01-17 | 2022-09-13 | Shenzhen Shokz Co Ltd | Microfone e dispositivo eletrônico contendo o mesmo |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3440363A (en) * | 1965-11-26 | 1969-04-22 | Bell Telephone Labor Inc | Shock-resistant microphone |
| JPS63110900A (ja) * | 1986-10-28 | 1988-05-16 | Murata Mfg Co Ltd | 振動アラ−ム装置 |
| US4969197A (en) * | 1988-06-10 | 1990-11-06 | Murata Manufacturing | Piezoelectric speaker |
| US5805726A (en) * | 1995-08-11 | 1998-09-08 | Industrial Technology Research Institute | Piezoelectric full-range loudspeaker |
| JP2000201398A (ja) | 1998-06-30 | 2000-07-18 | Shinsei Kk | スピ―カ |
| TR200100136T2 (tr) * | 1998-07-03 | 2001-06-21 | New Transducers Limited | Panel biçiminde rezonant hoparlör |
| TW511391B (en) * | 2000-01-24 | 2002-11-21 | New Transducers Ltd | Transducer |
| US7151837B2 (en) * | 2000-01-27 | 2006-12-19 | New Transducers Limited | Loudspeaker |
| JP2004087662A (ja) * | 2002-08-26 | 2004-03-18 | Fdk Corp | 圧電素子 |
-
2003
- 2003-09-11 GB GBGB0321292.5A patent/GB0321292D0/en not_active Ceased
-
2004
- 2004-09-09 CN CN2004800241303A patent/CN1839659B/zh not_active Expired - Fee Related
- 2004-09-09 WO PCT/GB2004/003843 patent/WO2005027571A1/en active IP Right Grant
- 2004-09-09 KR KR1020067005034A patent/KR101176671B1/ko not_active IP Right Cessation
- 2004-09-09 DE DE602004005060T patent/DE602004005060T2/de active Active
- 2004-09-09 JP JP2006525885A patent/JP5128127B2/ja not_active Expired - Fee Related
- 2004-09-09 EP EP04768390A patent/EP1665879B1/de not_active Expired - Fee Related
- 2004-09-10 TW TW093127527A patent/TWI343755B/zh not_active IP Right Cessation
-
2006
- 2006-12-06 HK HK06113403A patent/HK1094748A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK1094748A1 (en) | 2007-04-04 |
| GB0321292D0 (en) | 2003-10-15 |
| KR101176671B1 (ko) | 2012-08-23 |
| EP1665879A1 (de) | 2006-06-07 |
| CN1839659A (zh) | 2006-09-27 |
| TW200522760A (en) | 2005-07-01 |
| JP5128127B2 (ja) | 2013-01-23 |
| KR20060119972A (ko) | 2006-11-24 |
| DE602004005060D1 (de) | 2007-04-12 |
| WO2005027571A1 (en) | 2005-03-24 |
| EP1665879B1 (de) | 2007-02-28 |
| JP2007505539A (ja) | 2007-03-08 |
| DE602004005060T2 (de) | 2007-11-22 |
| CN1839659B (zh) | 2011-05-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |