PL182243B1 - Urzadzenie prezentacji wizualnej PL - Google Patents
Urzadzenie prezentacji wizualnej PLInfo
- Publication number
- PL182243B1 PL182243B1 PL96325244A PL32524496A PL182243B1 PL 182243 B1 PL182243 B1 PL 182243B1 PL 96325244 A PL96325244 A PL 96325244A PL 32524496 A PL32524496 A PL 32524496A PL 182243 B1 PL182243 B1 PL 182243B1
- Authority
- PL
- Poland
- Prior art keywords
- plate
- transducer
- sound radiator
- plate sound
- loudspeaker
- Prior art date
Links
- 230000000007 visual effect Effects 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 claims description 3
- 230000000873 masking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008093 supporting effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 17
- 239000011162 core material Substances 0.000 description 14
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 239000002184 metal Substances 0.000 description 8
- 239000000123 paper Substances 0.000 description 8
- 238000013016 damping Methods 0.000 description 7
- 239000011888 foil Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 229920000271 Kevlar® Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000011111 cardboard Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 239000004761 kevlar Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 229910001369 Brass 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
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 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
- 210000004027 cell Anatomy 0.000 description 1
- 230000001447 compensatory 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001939 inductive effect Effects 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
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011101 paper laminate Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000007704 transition Effects 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
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
-
- 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
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
-
- 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
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Cookers (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Graft Or Block Polymers (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Road Signs Or Road Markings (AREA)
- Pinball Game Machines (AREA)
- Audible And Visible Signals (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Illuminated Signs And Luminous Advertising (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/GB1996/002165 WO1997009848A1 (en) | 1995-09-02 | 1996-09-02 | Noticeboards incorporating loudspeakers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL325244A1 PL325244A1 (en) | 1998-07-06 |
| PL182243B1 true PL182243B1 (pl) | 2001-11-30 |
Family
ID=34865251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL96325244A PL182243B1 (pl) | 1995-09-02 | 1996-09-02 | Urzadzenie prezentacji wizualnej PL |
Country Status (20)
| Country | Link |
|---|---|
| EP (1) | EP0847667B1 (cs) |
| JP (1) | JPH11512260A (cs) |
| CN (1) | CN1195456A (cs) |
| AT (1) | ATE177282T1 (cs) |
| AU (1) | AU704227B2 (cs) |
| BR (1) | BR9610426A (cs) |
| CA (1) | CA2230234A1 (cs) |
| CZ (1) | CZ58398A3 (cs) |
| DE (1) | DE69601648T2 (cs) |
| DK (1) | DK0847667T3 (cs) |
| EA (1) | EA000612B1 (cs) |
| ES (1) | ES2131410T3 (cs) |
| HU (1) | HUP9904010A2 (cs) |
| IL (1) | IL123438A (cs) |
| NZ (1) | NZ316563A (cs) |
| PL (1) | PL182243B1 (cs) |
| RO (1) | RO119042B1 (cs) |
| SK (1) | SK26498A3 (cs) |
| TR (1) | TR199800368T1 (cs) |
| WO (1) | WO1997009848A1 (cs) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ID27400A (id) | 1998-06-22 | 2001-04-05 | Slab Technology Ltd | Pengeras suara |
| US6590993B2 (en) * | 1999-09-06 | 2003-07-08 | Koninklijke Philips Electronics N.V. | Panel-shaped loudspeaker |
| WO2001054454A2 (en) * | 2000-01-20 | 2001-07-26 | Amina Technologies Limited | Display apparatus with flat panel loudspeaker |
| DE10030746B4 (de) * | 2000-06-23 | 2008-11-20 | Lisa Dräxlmaier GmbH | Innenverkleidungsteil für Fahrzeuge und verfahren zur Herstellung desselben |
| GB2369232B (en) * | 2000-11-18 | 2005-01-12 | Talksign Ltd | Display signs |
| EP1345469A1 (en) | 2002-03-15 | 2003-09-17 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker system |
| US8284955B2 (en) | 2006-02-07 | 2012-10-09 | 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 |
| US10158337B2 (en) | 2004-08-10 | 2018-12-18 | 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 |
| US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| 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 |
| 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 |
| US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
| US9264004B2 (en) | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
| 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 |
| CN104809966B (zh) * | 2015-04-22 | 2017-07-14 | 黄雪莲 | 一种广告投放方法及终端 |
| US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| US9906867B2 (en) | 2015-11-16 | 2018-02-27 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| EP3477963B1 (de) * | 2017-05-19 | 2020-11-18 | Rafael Kubisz | Lautsprechersystem |
| 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 |
| KR20230173953A (ko) * | 2022-06-20 | 2023-12-27 | 엘지디스플레이 주식회사 | 장치 및 이를 포함하는 운송 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3247925A (en) * | 1962-03-08 | 1966-04-26 | Lord Corp | Loudspeaker |
| DE2612450A1 (de) * | 1976-03-24 | 1977-10-06 | Reditune Thordsen Gmbh & Co | Anordnung zur abgabe von akustischen signalen, insbesondere an werbeflaechen und schaukaesten oder -fenstern |
| JPS5748153Y2 (cs) * | 1977-11-26 | 1982-10-22 | ||
| FR2613863B1 (fr) * | 1987-04-08 | 1991-09-06 | Fayard Thierry | Dispositif audiovisuel extra plat |
| JPH02170795A (ja) * | 1988-12-23 | 1990-07-02 | Foster Electric Co Ltd | パネル型スピーカ |
| DK0541646T3 (da) * | 1990-08-04 | 1995-03-20 | Secr Defence Brit | Panelformet højttaler |
-
1996
- 1996-09-02 SK SK264-98A patent/SK26498A3/sk unknown
- 1996-09-02 ES ES96929406T patent/ES2131410T3/es not_active Expired - Lifetime
- 1996-09-02 BR BR9610426-0A patent/BR9610426A/pt not_active Application Discontinuation
- 1996-09-02 EA EA199800264A patent/EA000612B1/ru not_active IP Right Cessation
- 1996-09-02 CZ CZ98583A patent/CZ58398A3/cs unknown
- 1996-09-02 AU AU68821/96A patent/AU704227B2/en not_active Ceased
- 1996-09-02 CN CN96196701A patent/CN1195456A/zh active Pending
- 1996-09-02 IL IL12343896A patent/IL123438A/xx not_active IP Right Cessation
- 1996-09-02 EP EP96929406A patent/EP0847667B1/en not_active Expired - Lifetime
- 1996-09-02 WO PCT/GB1996/002165 patent/WO1997009848A1/en not_active Application Discontinuation
- 1996-09-02 JP JP9510966A patent/JPH11512260A/ja active Pending
- 1996-09-02 DK DK96929406T patent/DK0847667T3/da active
- 1996-09-02 RO RO98-00636A patent/RO119042B1/ro unknown
- 1996-09-02 NZ NZ316563A patent/NZ316563A/en unknown
- 1996-09-02 PL PL96325244A patent/PL182243B1/pl unknown
- 1996-09-02 DE DE69601648T patent/DE69601648T2/de not_active Expired - Lifetime
- 1996-09-02 HU HU9904010A patent/HUP9904010A2/hu unknown
- 1996-09-02 AT AT96929406T patent/ATE177282T1/de not_active IP Right Cessation
- 1996-09-02 CA CA002230234A patent/CA2230234A1/en not_active Abandoned
- 1996-09-02 TR TR1998/00368T patent/TR199800368T1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO119042B1 (ro) | 2004-02-27 |
| WO1997009848A1 (en) | 1997-03-13 |
| CZ58398A3 (cs) | 1998-07-15 |
| HK1008645A1 (en) | 1999-05-14 |
| EA000612B1 (ru) | 1999-12-29 |
| IL123438A0 (en) | 1998-09-24 |
| DE69601648T2 (de) | 1999-09-16 |
| DK0847667T3 (da) | 1999-10-04 |
| CA2230234A1 (en) | 1997-03-13 |
| EA199800264A1 (ru) | 1998-10-29 |
| JPH11512260A (ja) | 1999-10-19 |
| EP0847667B1 (en) | 1999-03-03 |
| DE69601648D1 (de) | 1999-04-08 |
| EP0847667A1 (en) | 1998-06-17 |
| AU704227B2 (en) | 1999-04-15 |
| CN1195456A (zh) | 1998-10-07 |
| ES2131410T3 (es) | 1999-07-16 |
| SK26498A3 (en) | 1998-09-09 |
| PL325244A1 (en) | 1998-07-06 |
| IL123438A (en) | 2001-01-11 |
| NZ316563A (en) | 1998-05-27 |
| ATE177282T1 (de) | 1999-03-15 |
| BR9610426A (pt) | 1999-12-21 |
| TR199800368T1 (xx) | 1998-05-21 |
| AU6882196A (en) | 1997-03-27 |
| HUP9904010A2 (hu) | 2000-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PL182243B1 (pl) | Urzadzenie prezentacji wizualnej PL | |
| US6285770B1 (en) | Noticeboards incorporating loudspeakers | |
| US6215881B1 (en) | Ceiling tile loudspeaker | |
| EP0847662B1 (en) | Loudspeakers comprising panel-form acoustic radiating elements | |
| US6198831B1 (en) | Panel-form loudspeakers | |
| US6031926A (en) | Panel-form loudspeakers | |
| EP0847669B1 (en) | Visual display means incorporating loudspeakers | |
| EP0847671B1 (en) | Personal computers | |
| PL182495B1 (pl) | Przenośny odtwarzacz płyt kompaktowych | |
| PL182641B1 (pl) | Elektroniczny instrument muzyczny | |
| KR19990044331A (ko) | 라우드 스피커가 통합된 게시판 | |
| CA2230461A1 (en) | Panel-form loudspeakers | |
| CZ57698A3 (cs) | Reproduktor obsahující panelové akustické vyzařující prvky | |
| PL182468B1 (pl) | Karta z życzeniami | |
| EP0847666B1 (en) | Panel-form loudspeakers | |
| HK1008645B (en) | Noticeboards incorporating loudspeakers | |
| HK1008640B (en) | Loudspeakers comprising panel-form acoustic radiating elements | |
| HK1008650B (en) | Panel-form loudspeakers |