RO119044B1 - Difuzor în formă de panou - Google Patents
Difuzor în formă de panou Download PDFInfo
- Publication number
- RO119044B1 RO119044B1 RO98-00638A RO9800638A RO119044B1 RO 119044 B1 RO119044 B1 RO 119044B1 RO 9800638 A RO9800638 A RO 9800638A RO 119044 B1 RO119044 B1 RO 119044B1
- Authority
- RO
- Romania
- Prior art keywords
- panel
- acoustic transmitter
- speaker
- frame
- transducer
- Prior art date
Links
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 21
- 230000005855 radiation Effects 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 229920000271 Kevlar® Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002648 laminated material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy 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
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- LDVVMCZRFWMZSG-UHFFFAOYSA-N captan Chemical compound C1C=CCC2C(=O)N(SC(Cl)(Cl)Cl)C(=O)C21 LDVVMCZRFWMZSG-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002596 correlated effect Effects 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
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
- 238000009827 uniform distribution 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
- 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
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9517918.0A GB9517918D0 (en) | 1995-09-02 | 1995-09-02 | Acoustic device |
| GBGB9522281.6A GB9522281D0 (en) | 1995-10-31 | 1995-10-31 | Acoustic device |
| GBGB9606836.6A GB9606836D0 (en) | 1996-03-30 | 1996-03-30 | Acoustic device |
| PCT/GB1996/002158 WO1997009845A2 (en) | 1995-09-02 | 1996-09-02 | Loudspeakers comprising panel-form acoustic radiating elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO119044B1 true RO119044B1 (ro) | 2004-02-27 |
Family
ID=34865245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO98-00638A RO119044B1 (ro) | 1995-09-02 | 1996-09-02 | Difuzor în formă de panou |
Country Status (21)
| Country | Link |
|---|---|
| EP (1) | EP0847664B1 (de) |
| JP (1) | JPH11512255A (de) |
| CN (1) | CN1194085A (de) |
| AT (1) | ATE179563T1 (de) |
| AU (1) | AU703296B2 (de) |
| BR (1) | BR9610466A (de) |
| CA (1) | CA2230161A1 (de) |
| CZ (1) | CZ58298A3 (de) |
| DE (1) | DE69602279T2 (de) |
| DK (1) | DK0847664T3 (de) |
| EA (1) | EA199800246A1 (de) |
| ES (1) | ES2131957T3 (de) |
| HK (1) | HK1008644A1 (de) |
| HU (1) | HUP9900168A3 (de) |
| IL (1) | IL123487A (de) |
| NZ (1) | NZ316556A (de) |
| PL (1) | PL325211A1 (de) |
| RO (1) | RO119044B1 (de) |
| SK (1) | SK26398A3 (de) |
| TR (1) | TR199800361T1 (de) |
| WO (1) | WO1997009845A2 (de) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9806994D0 (en) * | 1998-04-02 | 1998-06-03 | New Transducers Ltd | Acoustic device |
| TR200003739T2 (tr) | 1998-06-22 | 2001-06-21 | Slab Technology Limited | Hoparlörler |
| DE29811727U1 (de) | 1998-07-01 | 1998-08-27 | Alusuisse KAPA GmbH, 49090 Osnabrück | Plattenlautsprechervorrichtung |
| US6813362B2 (en) | 2001-04-05 | 2004-11-02 | New Transducers Limited | Loudspeaker and method of making same |
| WO2002082855A2 (en) * | 2001-04-05 | 2002-10-17 | New Transducers Limited | Loudspeaker |
| US10158337B2 (en) | 2004-08-10 | 2018-12-18 | 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 |
| US10848118B2 (en) | 2004-08-10 | 2020-11-24 | 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 |
| 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 |
| 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 |
| US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| 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 |
| US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| 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 |
| US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
| US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
| 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 |
| WO2017087495A1 (en) | 2015-11-16 | 2017-05-26 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| CA3096877A1 (en) | 2018-04-11 | 2019-10-17 | Bongiovi Acoustics Llc | Audio enhanced hearing protection system |
| US10959035B2 (en) | 2018-08-02 | 2021-03-23 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
| US10782731B1 (en) | 2019-02-28 | 2020-09-22 | Google Llc | Modal frequency shifting for loudspeaker devices |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3247925A (en) * | 1962-03-08 | 1966-04-26 | Lord Corp | Loudspeaker |
| JPS5748153Y2 (de) * | 1977-11-26 | 1982-10-22 | ||
| US4751419A (en) * | 1986-12-10 | 1988-06-14 | Nitto Incorporated | Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member |
| DE69106712T2 (de) * | 1990-08-04 | 1995-06-08 | Secr Defence Brit | Paneelförmiger lautsprecher. |
| JP3118363B2 (ja) * | 1994-02-25 | 2000-12-18 | 株式会社ケンウッド | スピーカシステム |
-
1996
- 1996-09-02 PL PL96325211A patent/PL325211A1/xx unknown
- 1996-09-02 HU HU9900168A patent/HUP9900168A3/hu unknown
- 1996-09-02 AT AT96929399T patent/ATE179563T1/de not_active IP Right Cessation
- 1996-09-02 NZ NZ316556A patent/NZ316556A/en unknown
- 1996-09-02 ES ES96929399T patent/ES2131957T3/es not_active Expired - Lifetime
- 1996-09-02 DK DK96929399T patent/DK0847664T3/da active
- 1996-09-02 CZ CZ98582A patent/CZ58298A3/cs unknown
- 1996-09-02 JP JP9510959A patent/JPH11512255A/ja active Pending
- 1996-09-02 WO PCT/GB1996/002158 patent/WO1997009845A2/en not_active Application Discontinuation
- 1996-09-02 RO RO98-00638A patent/RO119044B1/ro unknown
- 1996-09-02 CN CN96196547A patent/CN1194085A/zh active Pending
- 1996-09-02 EP EP96929399A patent/EP0847664B1/de not_active Expired - Lifetime
- 1996-09-02 CA CA002230161A patent/CA2230161A1/en not_active Abandoned
- 1996-09-02 IL IL12348796A patent/IL123487A/en not_active IP Right Cessation
- 1996-09-02 DE DE69602279T patent/DE69602279T2/de not_active Expired - Lifetime
- 1996-09-02 SK SK263-98A patent/SK26398A3/sk unknown
- 1996-09-02 EA EA199800246A patent/EA199800246A1/ru unknown
- 1996-09-02 TR TR1998/00361T patent/TR199800361T1/xx unknown
- 1996-09-02 AU AU68814/96A patent/AU703296B2/en not_active Ceased
- 1996-09-02 BR BR9610466A patent/BR9610466A/pt not_active Application Discontinuation
-
1998
- 1998-07-28 HK HK98109448A patent/HK1008644A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE179563T1 (de) | 1999-05-15 |
| DE69602279D1 (de) | 1999-06-02 |
| CA2230161A1 (en) | 1997-03-13 |
| EA199800246A1 (ru) | 1998-10-29 |
| AU6881496A (en) | 1997-03-27 |
| DE69602279T2 (de) | 1999-09-16 |
| EP0847664A2 (de) | 1998-06-17 |
| EP0847664B1 (de) | 1999-04-28 |
| CZ58298A3 (cs) | 1998-07-15 |
| IL123487A0 (en) | 1998-09-24 |
| CN1194085A (zh) | 1998-09-23 |
| IL123487A (en) | 2001-11-25 |
| PL325211A1 (en) | 1998-07-06 |
| NZ316556A (en) | 1998-05-27 |
| ES2131957T3 (es) | 1999-08-01 |
| WO1997009845A2 (en) | 1997-03-13 |
| HK1008644A1 (en) | 1999-05-14 |
| JPH11512255A (ja) | 1999-10-19 |
| SK26398A3 (en) | 1998-09-09 |
| HUP9900168A2 (hu) | 1999-04-28 |
| HUP9900168A3 (en) | 2001-08-28 |
| BR9610466A (pt) | 1999-03-02 |
| DK0847664T3 (da) | 1999-11-08 |
| TR199800361T1 (xx) | 1998-05-21 |
| AU703296B2 (en) | 1999-03-25 |
| WO1997009845A3 (en) | 1997-05-29 |
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