AU2000253848B2 - Method for manufacturing an in-the-ear hearing device, and an in-the-ear hearing device - Google Patents
Method for manufacturing an in-the-ear hearing device, and an in-the-ear hearing device Download PDFInfo
- Publication number
- AU2000253848B2 AU2000253848B2 AU2000253848A AU2000253848A AU2000253848B2 AU 2000253848 B2 AU2000253848 B2 AU 2000253848B2 AU 2000253848 A AU2000253848 A AU 2000253848A AU 2000253848 A AU2000253848 A AU 2000253848A AU 2000253848 B2 AU2000253848 B2 AU 2000253848B2
- Authority
- AU
- Australia
- Prior art keywords
- hearing device
- layer
- shell
- shape
- ear hearing
- Prior art date
- 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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/652—Ear tips; Ear moulds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/658—Manufacture of housing parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/025—In the ear hearing aids [ITE] hearing aids
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/77—Design aspects, e.g. CAD, of hearing aid tips, moulds or housings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Description
1 SMethod for Manufacturing an in-the-ear hearing device, and an in-the-ear hearing device
O
The present invention relates to a method for OO manufacturing an in-the-ear hearing device, and an in-the- ,ear hearing device. 00 Cl In the production of shells for in-the-ear hearing devices, the customary practice followed by an audiologist e is to make a mold in the shape of the individual auditory canal, by taking an impression. The mold is usually of silicone.
This mold is subsequently sent to the producer of the hearing devices, where the hearing device shell is molded from a plastic on the basis of this mold.
In the production method based on the aforementioned impression of the outer ear, polymer materials which lead to relatively hard, dimensionally stable shells have to be used. This virtually always leads to the shell having to be re-worked on account of remaining pressure points when the finished in-the-ear hearing device is fitted into the individual ear. Since the trial fitting usually does not take place at the premises of the producer, a laborious procedure of sending the device back and forth is often required before the shell individually fits.
The aforementioned procedure no doubt makes it possible for the resultant shell to correspond in its outer shape to the impression, but not for complex internal shapes to be formed, as would be desirable for functional parts of the hearing device to be received in an optimized way in terms of fitting. In WO 02/03756 PCT/CHOO/00356 -2this respect, we understand functional parts as meaning all units which are responsible for picking up, processing and reproducing the audio signals, that is of microphones, digital processors, 0 loudspeakers and the associated auxiliary units, such 00 ,I as for remote control of binaural signal OO 0 transmission, batteries etc. In this respect, it must be pointed out that optimum packing of these O functional parts in a way which utilizes the space Cavailable can only be carried out on an individual basis, since the geometry of the auditory canal may vary greatly individually.
The procedure described is, on the one hand, highly labor-intensive, and the resultant hearing device usually remains less than optimum with respect to its wearing comfort and space utilization. The materials used in the case of said conventional production method also require a relatively great wall thickness of the shell of the in-the-ear hearing device, which reduces the space available for said functional parts move than is the case anyway.
According to one aspect of the invention there is provided a method for manufacturing an in-the-ear hearing device in which the shape of an individual auditory channel is registered; a hearing device shell corresponding to the shape is produced; functional parts of the hearing device are installed; wherein the shape is digitized in 3D and the hearing device shell is created by an additive construction method in which sectional layers are deposited on top of one another, IN 2a and wherein; \0 first sectional layers of more than one 0 5 individual hearing device shell are respectively created in parallel before further sectional layers of the 00 individual hearing device shells are deposited on top of 00 already created layers.
With respect to additive methods being used in rapid prototyping or those still under development, reference is made, for example to WO 02/03756 PCT/CHOO/00356 3 http://ltk.hut.fi/-koukka/RP/rptree.html (1) or to Wohlers Report 2000, Rapid Prototyping Tooling State of the Industry Of the additive processes known at present for rapid prototyping, it is found that laser sintering, laser lithography or stereolithography, or the thermojet method are particularly well suited for achieving the aforementioned object.
These and further additive construction methods from "rapid prototyping" are known per se. Therefore, specifications of the preferably used additive construction methods are only briefly summarized: Laser sintering: Hot-melt powder is applied in a thin layer from a powder bed, for example by means of a roller. The powder layer is solidified by means of a laser beam, said laser beam being guided according to a sectional layer of the hearing device shell by means of 3D shape information of the hearing device shell. A solidified sectional layer of the shell is obtained in the otherwise loose powder. This layer is lowered from the powder laying plane and a new layer of powder is applied over it, and this layer of powder is in turn solidified by laser according to a sectional layer, etc.
Laser lithography or stereolithography: WO 02/03756 PCT/CHOO/00356 4 A first sectional contour according to a sectional layer of a hearing device shell is solidified by means of UV laser on the surface of liquid photopolymer. The solidified layer is lowered, is again covered by liquid polymer and the second sectional layer is solidified by means of UV laser.
Thermojet method: The contour formation in accordance with a sectional layer is carried out in the same way as in an inkjet printer by liquid application according to the digitized 3D shape information. After that, the deposited sectional "picture" is solidified.
Once again, according to the principle of the additive construction methods, the device shell is built up by depositing layer after layer.
As regards additive construction methods, and the preferred ones mentioned above, reference may be made to the following further publications: http://www.padtinc.com/srv_rpmsls.html (3) "Selective Laser Sintering (SLS) of Ceramics", Muskesh Agarwala et al., presented at the Solid Freeform Fabrication Symposium, Austin, TX, August 1999, (4) http://www.caip.rutgers.edu/RP_Library/process.html http://www.biba.uni-bremen.de/groups/rp/lom.html or
I
WO 02/03756 PCT/CHOO/00356 5 http://www.biba.uni-bremen.de/groups/rp/rp_intro.html (6) Donald Klosterman et al., Direct Fabrication of Polymer Composite Structures with Curved LOM", Solid Freeform Fabrication Symposium, University of Texas at Austin, August 1999, (7) http:/lff.me.utexas.edu/sls.html (8) http://www.padtinc.com/srv_rpm_sla.html (9) http://www.cs.hut.fi/~ado/rp/rp.html In principle, in additive construction methods a thin layer of material is in each case deposited on a surface, either over the whole surface as in laser sintering or stereolithography or, as in the thermojet method, already in the contour of a section of the shell under construction. The desired sectional shape is then stabilized and solidified.
Once a layer has been solidified, a new layer is deposited over this, as has been described, and this new layer is in turn solidified and connected to the already solidified layer lying below it. The hearing device shell is thus constructed layer by layer by additive layer-by-layer application.
For industrial production, it is preferable not just for the sectional layer of one hearing device shell to be deposited and solidified in each case, but for a plurality to be deposited and solidified simultaneously. In laser sintering, the laser, normally under mirror control, successively solidifies the sectional layers of a plurality of hearing device WO 02/03756 PCT/CHOO/00356 6 shells, before all the solidified sectional layers are lowered in unison. Then, after a new layer of powder O has been deposited over all the already solidified and O lowered sectional layers, the plurality of further sectional layers are formed in turn.
00 00 In order to solidify the sectional layers of the hearing device shells, either a single laser beam (continues to be used, or several beams are operated in parallel.
In an alternative to this procedure, a sectional layer is in each case solidified with one laser, while at the same time the layer of powder is being deposited for the formation of a further hearing device shell.
Thereafter, the prepared layer of powder is solidified according to the sectional layer for the next hearing device shell by the same laser, while the previously solidified layer is lowered and a new layer of powder is deposited there. The laser then operates intermittently between two or more hearing device shells under construction, and so the idle time of the laser occasioned by the deposition of powder for the formation of one of the shells is exploited for solidification of a sectional layer of another shell under construction.
In an analogous way, the productivity when using stereolithography is increased. When the thermojet method is used and an analogous increase in productivity is to be obtained, sectional layers of more than one hearing device shell are deposited at the same time.
7 QIt is thus possible by the method to create extremely complex shapes on the shell, to be precise both with respect to its outer shaping and with respect to its inner ND shaping. Overhangs, inward projections and outward C 5 projections can be readily created.
00 Furthermore, there are known materials for additive 00 construction methods which lead to an elastomeric and Vnevertheless dimensionally stable shell, which if desired can be created differently locally, to the extent of Sproducing an extremely thin wall which is nevertheless tear-resistant.
In an embodiment of the invention preferred at present, the mold in the shape of the individual auditory canal is made in the course of the production method by taking an impression, for example of silicone, while not ruling out the possibility that in the near future the shape of the individual auditory canal will be scanned directly.
In a preferred embodiment of the production method according to the invention, digitization of the auditory canal is performed, by taking an impression or by directly scanning at decentralized front centers, such as for example by the audiologist. The shape recorded there, as represented by digital 3D information, is transmitted to a production center, whether by sending a data carrier or by an Internet link etc. At the production center, the hearing device shell is individually shaped, in particular using the aforementioned methods. Final assembly of the hearing device with the functional modules is preferably also performed there.
WO 02/03756 PCT/CHOO/00356 8 On account of the fact that, as mentioned, the thermoplastic materials used generally lead to a relatively elastic, compliant shell, the shaping is far less critical in terms of pressure points than has previously been the case. In a way similar to an elastomeric plug, the shell of the finished in-the-ear hearing device will adapt itself optimally to the outer ear. The inclusion of one or more venting channels in the hearing device shell is readily possible and desired in this case, in order with the resultant relatively tight fit of the hearing device in the auditory canal to permit unimpaired ventilation of the ear drum. At the same time, with the individual 3D shape data, the interior space of the shell can also be optimally and individually shaped for optimum reception of the functional parts respectively to be provided in an individual case.
Furthermore, the central production of the shells also allows central storage and administration of the individual hearing device data to be performed, including the data which define the shape of the hearing device shells. If, for whatever reasons, a shell has to be replaced, it can consequently be readily reproduced by calling up the corresponding individual data records and renewed production.
On account of the fact that the methods used according to the invention for the production of hearing device shells are extremely widespread, albeit from prototyping, and described in the literature, there is no need at this point to reproduce all the technical details relating to these methods.
In any event, the adoption of this technology that is already known from prototyping for the industrial and WO 02/03756 PCT/CHOO/00356 9 commercially acceptable production of in-the-ear Shearing device shells surprisingly gives rise to quite ND significant advantages, and does so for reasons which o are not in fact important in prototyping, such as for example elasticity of the thermoplastic materials that 00 can be used, the possibility of individual construction 00 with extremely thin walls etc.
(cN SIt is to be understood that, if any prior art publication Sis referred to herein, such reference does not constitute an admission that the publication forms a part of the common general knowledge in the art, in Australia or any other country.
In the claims which follow and in the preceding description, except where the context requires otherwise due to express language or necessary implication, the word "comprise" or variations such as "comprises" or "comprising" is used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention.
Claims (5)
- 2. The method according to claim 1, wherein an impression is taken of the auditory channel, said impression is scanned and a scanning signal is digitized to provide the digitized 3D shape.
- 3. The method according to claim 1 or 2, wherein digitization of the shape is performed at a decentralized front centre and data of the digitized shape is transmitted to a production centre where the hearing device shell is produced. 11
- 4. The method according to any one of claims 1 to 3, wherein either a laser sintering, a stereo-lithography or a thermo-Jet method is used as the additive construction INO method. An in-the-ear hearing device manufactured OO 0 according to the method of any one of claims 1 to 4 00 00 wherein the material of the hearing device shell is Ssolidified thermoplastic.
- 6. The method according to any one of claims 1 to 4, and substantially as herein described with reference to the accompanying drawings.
- 7. An in-the-ear hearing device as claimed in claim and substantially as herein described with reference to the accompanying drawings. Dated this 6 th day of March 2006 PHONAK AG By their Patent Attorneys GRIFFITH HACK Fellows Institute of Patent and Trade Mark Attorneys of Australia
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2000/000356 WO2002003756A1 (en) | 2000-06-30 | 2000-06-30 | Method for producing in-ear hearing aids and in-ear hearing aid |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2000253848A1 AU2000253848A1 (en) | 2002-04-11 |
AU2000253848B2 true AU2000253848B2 (en) | 2006-04-06 |
Family
ID=4358099
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2000253848A Expired AU2000253848B2 (en) | 2000-06-30 | 2000-06-30 | Method for manufacturing an in-the-ear hearing device, and an in-the-ear hearing device |
AU5384800A Pending AU5384800A (en) | 2000-06-30 | 2000-06-30 | Method for producing in-ear hearing aids and in-ear hearing aid |
AU7265400A Pending AU7265400A (en) | 2000-06-30 | 2000-09-25 | Method for the production of otoplastics and corresponding otoplastic |
AU2000272654A Expired AU2000272654B9 (en) | 2000-06-30 | 2000-09-25 | Method and Apparatus for Manufacturing an Ear Device Shell |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU5384800A Pending AU5384800A (en) | 2000-06-30 | 2000-06-30 | Method for producing in-ear hearing aids and in-ear hearing aid |
AU7265400A Pending AU7265400A (en) | 2000-06-30 | 2000-09-25 | Method for the production of otoplastics and corresponding otoplastic |
AU2000272654A Expired AU2000272654B9 (en) | 2000-06-30 | 2000-09-25 | Method and Apparatus for Manufacturing an Ear Device Shell |
Country Status (8)
Country | Link |
---|---|
EP (4) | EP1295508B1 (en) |
JP (2) | JP2004502392A (en) |
CN (1) | CN100477815C (en) |
AU (4) | AU2000253848B2 (en) |
CA (2) | CA2412481C (en) |
DE (2) | DE50010130D1 (en) |
DK (1) | DK1295509T3 (en) |
WO (2) | WO2002003756A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2721664C2 (en) * | 2015-10-30 | 2020-05-21 | Трансверс Текнолоджи Лимитед | Housing for audio dynamics |
Families Citing this family (37)
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US6540045B1 (en) | 2000-06-30 | 2003-04-01 | Phonak Ag | Method for manufacturing an ear device and ear device |
US7014010B2 (en) * | 2000-06-30 | 2006-03-21 | Phonak Ag | Method for manufacturing an ear device and ear device |
AU2000253848B2 (en) * | 2000-06-30 | 2006-04-06 | Phonak Ag | Method for manufacturing an in-the-ear hearing device, and an in-the-ear hearing device |
US7625335B2 (en) | 2000-08-25 | 2009-12-01 | 3Shape Aps | Method and apparatus for three-dimensional optical scanning of interior surfaces |
WO2002024128A1 (en) * | 2000-09-25 | 2002-03-28 | Phonak Ag | Intra-auricular otoplastic |
US7050876B1 (en) | 2000-10-06 | 2006-05-23 | Phonak Ltd. | Manufacturing methods and systems for rapid production of hearing-aid shells |
DK1368986T3 (en) | 2001-03-02 | 2012-02-27 | 3Shape As | Method of modeling custom made earpieces |
EP1246507A1 (en) * | 2001-03-26 | 2002-10-02 | Widex A/S | A hearing aid with a tightening ring |
EP1246506A1 (en) * | 2001-03-26 | 2002-10-02 | Widex A/S | A CAD/CAM system for designing a hearing aid |
EP1246505A1 (en) | 2001-03-26 | 2002-10-02 | Widex A/S | A hearing aid with a face plate that is automatically manufactured to fit the hearing aid shell |
US6660208B2 (en) * | 2001-03-30 | 2003-12-09 | 3D Systems, Inc. | Detoxification of solid freeform fabrication materials |
EP1257151A3 (en) * | 2001-05-08 | 2004-01-14 | Dr. Vossieck GmbH | Vented hearing aid |
US7191029B2 (en) * | 2001-06-22 | 2007-03-13 | Siemens Hearing Instruments, Inc. | Rapid prototype fabrication of a monolithic hearing instrument housing with an integrally-fabricated faceplate |
WO2001087001A2 (en) | 2001-07-26 | 2001-11-15 | Phonak Ag | Method for manufacturing hearing devices |
AU2008201247B2 (en) * | 2001-10-17 | 2009-11-05 | Phonak Ag | Apparatus and Method for Applying a Substance to a Human Body |
DE10204894A1 (en) * | 2002-02-06 | 2003-08-21 | Siemens Audiologische Technik | Hearing aid portable in the ear or hearing aid with earmold portable in the ear |
JP2005131050A (en) * | 2003-10-29 | 2005-05-26 | Matsushita Electric Ind Co Ltd | Method for measuring shape of external auditory meatus, manufacturing method for hearing aid shell, and hearing aid |
US7162323B2 (en) | 2004-04-05 | 2007-01-09 | Hearing Aid Express, Inc. | Decentralized method for manufacturing hearing aid devices |
EP1674060A1 (en) * | 2004-12-23 | 2006-06-28 | Phonak Ag | Method for providing a user with a hearing protection earplug |
DE102005020118B3 (en) | 2005-04-29 | 2006-08-31 | Bernhard Kubicke | Housing for a hearing aid worn behind the ear for containing diverse functional elements and adapted to the structure of the ear |
DK1896239T3 (en) * | 2005-06-27 | 2019-01-14 | Widex As | PROCEDURE AND TOOLS FOR FORMING AN Oblong DEFORMABLE ELEMENT FOR A HEARING |
US7720243B2 (en) | 2006-10-12 | 2010-05-18 | Synygis, Llc | Acoustic enhancement for behind the ear communication devices |
EP3310076B1 (en) | 2008-12-22 | 2020-10-21 | Oticon A/s | A hearing aid system taking into account an estimation of present cognitive load of a user |
US20100226502A1 (en) | 2009-03-06 | 2010-09-09 | Siemens Hearing Instruments, Inc. | Method For Fabricating A Hearing Device |
DE102009043597A1 (en) * | 2009-09-25 | 2011-04-07 | Siemens Aktiengesellschaft | Method for producing a marked object |
EP2581038B1 (en) | 2011-10-14 | 2017-12-13 | Oticon A/S | Automatic real-time hearing aid fitting based on auditory evoked potentials |
EP2615854A1 (en) | 2012-06-14 | 2013-07-17 | Oticon A/s | Housing for a hearing aid |
US20140166388A1 (en) * | 2012-12-17 | 2014-06-19 | Cotron Corporation | Ear tip |
BR112015032543A2 (en) * | 2013-06-24 | 2017-08-22 | President and Fellows of Harvad College | PRINTED THREE DIMENSIONAL (3D) FUNCTIONAL PART, PRINTING METHOD OF A THREE DIMENSIONAL (3D) FUNCTIONAL PART AND 3D PRINTER |
EP2950555A1 (en) | 2014-05-28 | 2015-12-02 | Oticon A/s | Automatic real-time hearing aid fitting based on auditory evoked potentials evoked by natural sound signals |
DE102014216086A1 (en) * | 2014-08-13 | 2016-02-18 | Sivantos Pte. Ltd. | Device and method for integrating hearing device components |
US20170280260A1 (en) * | 2014-09-08 | 2017-09-28 | Sonova Ag | A method for producing a hearing device shell, a hearing device shell and a hearing device |
US10542358B2 (en) * | 2017-08-30 | 2020-01-21 | Gn Hearing A/S | Earpiece with canal microphone, ambient microphone and receiver |
CN108055632B (en) * | 2018-02-11 | 2020-05-26 | 佛山博智医疗科技有限公司 | Ear canal form modeling manufacturing device and method |
CN109848414B (en) * | 2019-01-31 | 2021-02-02 | 攀枝花三帝科技有限公司 | Manufacturing method of 3D printing customized hearing aid |
EP3706440A1 (en) * | 2019-03-08 | 2020-09-09 | GN Hearing A/S | Hearing device with vent |
EP4018935A1 (en) * | 2020-12-23 | 2022-06-29 | Sonova AG | Method for determining a geometry of an ear canal or a portion of an ear of a person |
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AU2000253848B2 (en) * | 2000-06-30 | 2006-04-06 | Phonak Ag | Method for manufacturing an in-the-ear hearing device, and an in-the-ear hearing device |
-
2000
- 2000-06-30 AU AU2000253848A patent/AU2000253848B2/en not_active Expired
- 2000-06-30 WO PCT/CH2000/000356 patent/WO2002003756A1/en active IP Right Grant
- 2000-06-30 EP EP00938437A patent/EP1295508B1/en not_active Expired - Lifetime
- 2000-06-30 DE DE50010130T patent/DE50010130D1/en not_active Expired - Lifetime
- 2000-06-30 AU AU5384800A patent/AU5384800A/en active Pending
- 2000-06-30 CA CA2412481A patent/CA2412481C/en not_active Expired - Lifetime
- 2000-06-30 CN CNB008195552A patent/CN100477815C/en not_active Expired - Lifetime
- 2000-06-30 JP JP2002507028A patent/JP2004502392A/en active Pending
- 2000-09-25 AU AU7265400A patent/AU7265400A/en active Pending
- 2000-09-25 AU AU2000272654A patent/AU2000272654B9/en not_active Expired
- 2000-09-25 EP EP04017958A patent/EP1555851A3/en not_active Withdrawn
- 2000-09-25 WO PCT/CH2000/000519 patent/WO2001005207A2/en active IP Right Grant
- 2000-09-25 DE DE50006193T patent/DE50006193D1/en not_active Expired - Lifetime
- 2000-09-25 EP EP00960273A patent/EP1295509B1/en not_active Expired - Lifetime
- 2000-09-25 CA CA002412934A patent/CA2412934C/en not_active Expired - Lifetime
- 2000-09-25 JP JP2001510287A patent/JP2003534826A/en active Pending
- 2000-09-25 DK DK00960273T patent/DK1295509T3/en active
- 2000-09-25 EP EP04004629A patent/EP1427251A3/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5487012A (en) * | 1990-12-21 | 1996-01-23 | Topholm & Westermann Aps | Method of preparing an otoplasty or adaptive earpiece individually matched to the shape of an auditory canal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2721664C2 (en) * | 2015-10-30 | 2020-05-21 | Трансверс Текнолоджи Лимитед | Housing for audio dynamics |
Also Published As
Publication number | Publication date |
---|---|
CN100477815C (en) | 2009-04-08 |
EP1295509A2 (en) | 2003-03-26 |
CA2412481C (en) | 2010-04-13 |
DE50010130D1 (en) | 2005-05-25 |
WO2002003756A1 (en) | 2002-01-10 |
AU7265400A (en) | 2001-02-05 |
WO2001005207A3 (en) | 2001-12-06 |
EP1295508B1 (en) | 2005-04-20 |
DE50006193D1 (en) | 2004-05-27 |
EP1295508A1 (en) | 2003-03-26 |
EP1555851A3 (en) | 2006-08-16 |
AU2000272654B2 (en) | 2006-01-12 |
JP2003534826A (en) | 2003-11-25 |
EP1295509B1 (en) | 2004-04-21 |
EP1427251A3 (en) | 2006-08-16 |
WO2001005207A2 (en) | 2001-01-25 |
EP1427251A2 (en) | 2004-06-09 |
CA2412934A1 (en) | 2001-01-25 |
CN1461578A (en) | 2003-12-10 |
EP1555851A2 (en) | 2005-07-20 |
CA2412481A1 (en) | 2002-12-05 |
JP2004502392A (en) | 2004-01-22 |
CA2412934C (en) | 2009-10-27 |
AU2000253848A1 (en) | 2002-04-11 |
DK1295509T3 (en) | 2004-08-16 |
AU2000272654B9 (en) | 2006-08-03 |
AU5384800A (en) | 2002-01-14 |
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FGA | Letters patent sealed or granted (standard patent) | ||
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |