TW462201B - Acoustic device - Google Patents
Acoustic device Download PDFInfo
- Publication number
- TW462201B TW462201B TW088105770A TW88105770A TW462201B TW 462201 B TW462201 B TW 462201B TW 088105770 A TW088105770 A TW 088105770A TW 88105770 A TW88105770 A TW 88105770A TW 462201 B TW462201 B TW 462201B
- Authority
- TW
- Taiwan
- Prior art keywords
- wall
- mode
- cavity
- resonant
- acoustic
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 27
- 230000004044 response Effects 0.000 description 31
- 230000000694 effects Effects 0.000 description 17
- 230000006870 function Effects 0.000 description 17
- 238000005259 measurement Methods 0.000 description 15
- 230000008878 coupling Effects 0.000 description 14
- 238000010168 coupling process Methods 0.000 description 14
- 238000005859 coupling reaction Methods 0.000 description 14
- 238000012360 testing method Methods 0.000 description 8
- 230000003993 interaction Effects 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000005357 flat glass Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 241000264877 Hippospongia communis Species 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002023 wood 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9807316.6A GB9807316D0 (en) | 1998-04-07 | 1998-04-07 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW462201B true TW462201B (en) | 2001-11-01 |
Family
ID=10829902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW088105770A TW462201B (en) | 1998-04-07 | 1999-04-12 | Acoustic device |
Country Status (25)
| Country | Link |
|---|---|
| EP (1) | EP1070437B1 (de) |
| JP (1) | JP2002511681A (de) |
| KR (1) | KR20010042491A (de) |
| CN (1) | CN100417304C (de) |
| AR (1) | AR019019A1 (de) |
| AT (1) | ATE334567T1 (de) |
| AU (1) | AU3340099A (de) |
| BG (1) | BG104811A (de) |
| BR (1) | BR9909496A (de) |
| CA (1) | CA2326193A1 (de) |
| DE (1) | DE69932507T2 (de) |
| EA (1) | EA200001038A1 (de) |
| GB (1) | GB9807316D0 (de) |
| HK (1) | HK1030327A1 (de) |
| HU (1) | HUP0103916A3 (de) |
| ID (1) | ID27518A (de) |
| IL (1) | IL138310A0 (de) |
| NO (1) | NO20005056L (de) |
| NZ (1) | NZ506732A (de) |
| PL (1) | PL343440A1 (de) |
| SK (1) | SK14932000A3 (de) |
| TR (1) | TR200002920T2 (de) |
| TW (1) | TW462201B (de) |
| WO (1) | WO1999052322A1 (de) |
| ZA (1) | ZA200004675B (de) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0114501D0 (en) * | 2001-06-14 | 2001-08-08 | New Transducers Ltd | Mobile telephone |
| WO2003013186A1 (de) * | 2001-07-13 | 2003-02-13 | Harman Becker Automotive Systems Gmbh | Plattenlautsprecher |
| US10158337B2 (en) | 2004-08-10 | 2018-12-18 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US8284955B2 (en) | 2006-02-07 | 2012-10-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| JP4072542B2 (ja) * | 2005-03-14 | 2008-04-09 | Ｎｅｃアクセステクニカ株式会社 | スピーカ一体型ディスプレイ |
| US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US9615189B2 (en) | 2014-08-08 | 2017-04-04 | Bongiovi Acoustics Llc | Artificial ear apparatus and associated methods for generating a head related audio transfer function |
| US10701505B2 (en) | 2006-02-07 | 2020-06-30 | Bongiovi Acoustics Llc. | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
| US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
| US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| JP2010206557A (ja) * | 2009-03-04 | 2010-09-16 | Panasonic Corp | 建築材料 |
| KR101496911B1 (ko) * | 2009-03-23 | 2015-02-27 | 삼성전자 주식회사 | 사운드 검사 시스템 및 그 방법 |
| CN102711029A (zh) * | 2012-01-09 | 2012-10-03 | 瑞声声学科技(深圳)有限公司 | 一种麦克风固有噪声电压的测试方法及测试装置 |
| US9264004B2 (en) | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
| US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
| US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
| US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
| US9615813B2 (en) | 2014-04-16 | 2017-04-11 | Bongiovi Acoustics Llc. | Device for wide-band auscultation |
| US9564146B2 (en) | 2014-08-01 | 2017-02-07 | Bongiovi Acoustics Llc | System and method for digital signal processing in deep diving environment |
| US9638672B2 (en) | 2015-03-06 | 2017-05-02 | Bongiovi Acoustics Llc | System and method for acquiring acoustic information from a resonating body |
| US9906867B2 (en) | 2015-11-16 | 2018-02-27 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| KR101704517B1 (ko) | 2016-03-28 | 2017-02-09 | 엘지디스플레이 주식회사 | 패널 진동형 음향 발생 표시 장치 |
| KR20170114471A (ko) | 2016-04-05 | 2017-10-16 | 엘지디스플레이 주식회사 | 유기발광 표시 장치 |
| US10219079B2 (en) | 2016-03-28 | 2019-02-26 | Lg Display Co., Ltd. | Display device for generating sound by vibrating panel |
| KR102663406B1 (ko) | 2016-04-04 | 2024-05-14 | 엘지디스플레이 주식회사 | 패널 진동형 음향 발생 액츄에이터 및 그를 포함하는 양면 표시 장치 |
| JP2021521700A (ja) | 2018-04-11 | 2021-08-26 | ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー | オーディオ強化聴力保護システム |
| WO2020028833A1 (en) | 2018-08-02 | 2020-02-06 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
| US20200388265A1 (en) * | 2019-06-10 | 2020-12-10 | Toyota Motor Engineering & Manufacturing North America, Inc. | Sound isolation device |
| KR102215716B1 (ko) * | 2019-10-21 | 2021-02-18 | 삼원액트 주식회사 | 음향재생기능을 갖는 패널 |
| AT525365B1 (de) | 2022-05-25 | 2023-03-15 | Cale3D Prime Gmbh | Elektroakustischer Wandler |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4914750A (en) * | 1987-07-13 | 1990-04-03 | Avm Hess, Inc. | Sound transducer |
| UA51671C2 (uk) * | 1995-09-02 | 2002-12-16 | Нью Транзд'Юсез Лімітед | Акустичний пристрій |
| CA2229857A1 (en) * | 1995-09-02 | 1997-03-13 | Henry Azima | Inertial vibration transducers |
| DE69602101T2 (de) * | 1995-09-02 | 1999-09-16 | New Transducers Ltd., Huntingdon | Inertial-schwingungswandler |
-
1998
- 1998-04-07 GB GBGB9807316.6A patent/GB9807316D0/en not_active Ceased
-
1999
- 1999-04-06 AU AU33400/99A patent/AU3340099A/en not_active Abandoned
- 1999-04-06 CA CA002326193A patent/CA2326193A1/en not_active Abandoned
- 1999-04-06 DE DE69932507T patent/DE69932507T2/de not_active Expired - Lifetime
- 1999-04-06 SK SK1493-2000A patent/SK14932000A3/sk unknown
- 1999-04-06 TR TR2000/02920T patent/TR200002920T2/xx unknown
- 1999-04-06 CN CNB998047651A patent/CN100417304C/zh not_active Expired - Fee Related
- 1999-04-06 PL PL99343440A patent/PL343440A1/xx unknown
- 1999-04-06 BR BR9909496-7A patent/BR9909496A/pt not_active Application Discontinuation
- 1999-04-06 AR ARP990101546A patent/AR019019A1/es unknown
- 1999-04-06 WO PCT/GB1999/001048 patent/WO1999052322A1/en active IP Right Grant
- 1999-04-06 NZ NZ506732A patent/NZ506732A/xx unknown
- 1999-04-06 HU HU0103916A patent/HUP0103916A3/hu unknown
- 1999-04-06 ID IDW20001944A patent/ID27518A/id unknown
- 1999-04-06 EP EP99914672A patent/EP1070437B1/de not_active Expired - Lifetime
- 1999-04-06 AT AT99914672T patent/ATE334567T1/de not_active IP Right Cessation
- 1999-04-06 EA EA200001038A patent/EA200001038A1/ru unknown
- 1999-04-06 IL IL13831099A patent/IL138310A0/xx unknown
- 1999-04-06 KR KR1020007011113A patent/KR20010042491A/ko not_active Application Discontinuation
- 1999-04-06 JP JP2000542951A patent/JP2002511681A/ja not_active Abandoned
- 1999-04-12 TW TW088105770A patent/TW462201B/zh not_active IP Right Cessation
-
2000
- 2000-09-06 ZA ZA200004675A patent/ZA200004675B/xx unknown
- 2000-09-29 BG BG104811A patent/BG104811A/xx unknown
- 2000-10-06 NO NO20005056A patent/NO20005056L/no not_active Application Discontinuation
-
2001
- 2001-02-14 HK HK01101083A patent/HK1030327A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1070437A1 (de) | 2001-01-24 |
| TR200002920T2 (tr) | 2000-12-21 |
| HUP0103916A2 (hu) | 2002-03-28 |
| ID27518A (id) | 2001-04-12 |
| AR019019A1 (es) | 2001-12-26 |
| NO20005056L (no) | 2000-12-06 |
| IL138310A0 (en) | 2001-10-31 |
| CA2326193A1 (en) | 1999-10-14 |
| CN1296719A (zh) | 2001-05-23 |
| DE69932507D1 (de) | 2006-09-07 |
| BR9909496A (pt) | 2000-12-12 |
| GB9807316D0 (en) | 1998-06-03 |
| NZ506732A (en) | 2002-11-26 |
| PL343440A1 (en) | 2001-08-13 |
| SK14932000A3 (sk) | 2001-05-10 |
| DE69932507T2 (de) | 2007-07-19 |
| HUP0103916A3 (en) | 2002-12-28 |
| BG104811A (en) | 2001-07-31 |
| CN100417304C (zh) | 2008-09-03 |
| KR20010042491A (ko) | 2001-05-25 |
| WO1999052322A1 (en) | 1999-10-14 |
| NO20005056D0 (no) | 2000-10-06 |
| ATE334567T1 (de) | 2006-08-15 |
| HK1030327A1 (en) | 2001-04-27 |
| EP1070437B1 (de) | 2006-07-26 |
| AU3340099A (en) | 1999-10-25 |
| JP2002511681A (ja) | 2002-04-16 |
| EA200001038A1 (ru) | 2001-04-23 |
| ZA200004675B (en) | 2002-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GD4A | Issue of patent certificate for granted invention patent | ||
| MM4A | Annulment or lapse of patent due to non-payment of fees |