CN1265817A - Acoustic coupler - Google Patents
Acoustic coupler Download PDFInfo
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- CN1265817A CN1265817A CN98807774A CN98807774A CN1265817A CN 1265817 A CN1265817 A CN 1265817A CN 98807774 A CN98807774 A CN 98807774A CN 98807774 A CN98807774 A CN 98807774A CN 1265817 A CN1265817 A CN 1265817A
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- Prior art keywords
- duct
- acoustic coupler
- earphone
- receiver assembly
- seal part
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- 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
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- 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
- H04R25/656—Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/11—Aspects relating to vents, e.g. shape, orientation, acoustic properties in ear tips of hearing devices to prevent occlusion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/17—Hearing device specific tools used for storing or handling hearing devices or parts thereof, e.g. placement in the ear, replacement of cerumen barriers, repair, cleaning hearing devices
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- 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
- H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
- H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
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- 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
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Headphones And Earphones (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
An acoustic coupler is detachably secured to a receiver assembly for deep insertion into an individual's ear canal. The acoustic coupler provides a semirigid, thin walled, cylindrical coupling sleeve that is adapted to be attached over a cylindrical receiver assembly. A conforming sealing material is attached diametrically over the coupling sleeve to fit comfortably and to seal the individual's ear canal acoustically. The coupling sleeve is substantially concentric to the receiver assembly for a highly space efficient interface and a user friendly replacement method. Attachment of the acoustic coupler to the receiver assembly is accomplished by applying a minimal axial (push) force to secure the acoustic coupler to the receiver assembly. The coupler remains securely attached thereto, and can withstand considerable axial detachment (pull) forces without being dislodged within or outside the ear canal. Applying a rotational (twist) force with respect to the receiver housing detaches the acoustic coupler from the receiver housing. Because rotational movements are minimal during insertion or removal of the coupler from the individual's ear, accidental detachment is not possible.
Description
The background of invention
Technical field
The present invention relates to earphone, hearing aid and Audiotechnica.More properly say, the present invention relates to the acoustic coupler of comfort seal, this acoustic coupler can be complied with people's duct and can insert wherein deeply.
Description of the Prior Art
The sound of receiver (loud speaker) is coupled to goes this technology that the manufacturers of hearing aid, sound equipment and communicator have been proposed the challenge in the design in people's the duct.These challenges comprise reach high fidelity sound, comfortable use feeling, acoustical seal do not run off and insert take out simply easily.The analysis of ear's duct and form:
Fig. 1 and Fig. 2 have showed that respectively ear's duct is at the crown of head and cross section shapes figure.Ear's duct can be described to have three sections when of the present invention being used to explain.The outer ear acupuncture point of first section representative middle part 20 only is positioned at after the tragus 21, this subregion relatively large and by 22 of cartilaginous tissues around.Be positioned at the second cave section 23 at earhole 24 middle parts of outside hearing duct 11, usually less also by 22 of cartilaginous tissues around.The 3rd cave section 25 determined in the other final stage cave section of eardrum 26, and by 27 of close bone tissues around.The tissue substance 28 of lining outside cartilage area 23 is abundant relatively and have flourishing hypodermic layer, thereby allows certain expanse to take place at this.On the contrary, thin relatively near the tissue 29 in sclerotin district 25, thereby can only bear very little or can not bear at all and occur in this regional expanse.Cartilage area 23 is main region that earwax (ear wax) produces and stockpiles.
Typical outside ear canal shapes, what do not resemble that most of art diagrams are showed is one to be close to the cone shape that cylinder or afterbody dwindle to middle ear drum membrane gradually.On the contrary, most ear duct is the irregular profile that has various degree of curvature.Some ducts even very strict restriction is arranged at cartilage area.Ear's duct is generally " S " type, its first curved 30 earhole parts that appear near ear's duct, and second curved 31 appears at the junction of cartilage and close bone.
The location in each zone in the diameter of duct cross section and the duct can vary because of different people has.For example, from earhole 24 to the base, rear portion 32 of ear drum membrane 26, its spacing is from can be from 20 millimeters to about 25 millimeters and do not wait.Cross section mostly is ellipse.The cross section minimum diameter is usually at 25 places, Mi Gu district that are positioned on the cross-table, between 4 millimeters to 7 millimeters.The cross section maximum gauge is positioned at the external ear middle region 20 of coronal-plane, between 10 millimeters to 18 millimeters.
The shape of duct can demonstrate a large amount of different shape distortion in cartilage area 23, this different shape distortion causes by eating with jaw portion relevant the speaking, chew, yawn and sting of motion.Jawbone joint 33 motions in the cartilaginous tissue are normally adjoined in this distortion and the differential pressure that produces is caused.These distortion have the radiation composition, and for example compression and axially composition promptly inwardly and are outwards moved.These radial and axial distortion can be felt when people insert ear's duct and mobile jaw with a finger usually.One studies show that, when using Magnetic resonance imaging (MRI), can observe the cartilage area that results from duct (sees: as R.J.Oliveira with 25% distortion of fore-and-aft direction motion, B.Hammer, A.Sillman, J.Holm, C.Jons, " duct is followed the observation of jaw portion motion change " that R.H.Margolis showed, " ear and hearing " the 13rd volume the 6th joint, 464-466 page or leaf (1992)).
Uniqueness that ear's duct varies with each individual and bending features are followed the different shape distortion of the dynamic duct that produces because of the motion of jaw portion again, for hearing aids and other electronics hearing aid instrument that now sound is coupled to ear's duct brings some can't be the difficult problem of user's solution.The difficult problem that acoustic coupler faced in the duct
One duct hearing instrument (being referred to as the duct instrument with complete hearing instrument in duct at this in the duct) must provide enough acoustical seal to miss the microphone inlet to prevent sound from the outlet of the receiver (loud speaker) of this instrument in ear's duct.This loss can cause the sound back coupling, produces tedious flute song.It is the problem that many hearing aids users usually run into that sound is feedback.Similarly situation also has, and in the audio frequency and communication instrument of earphone-type, requires to adopt enough acoustical seal degree of depth so that the effective sound effect of high-fidelity to be provided at ear's duct than the depths.
Because the shape and the specification of ear's duct have aforesaid varying, also sound is feedback because hearing aid need seal, and most hearing aid instruments in the market require special tailor-made, uses to ensure the ear that is fit to different individuals fully.This tailor-made first requirement obtains ear's ear canal shapes model sample, is made by the professional usually.Then, according to this model, manufacturer produces concrete instrument or ear model.This cast material is not only uncomfortable in the insertion or the taking-up of ear duct depths, also might cause the end user because of hemotoncus or the complication that causes of bleeding (referring to " the CIC hearing aid is suitable for-clinical practice " of G.Gudmunsen, " hearing periodical " 47 volumes, No. 7,46-47 page or leaf (Fitting CIC Hearing Aids-Some Practical Pointers.The HearingJournal, Vol.47, No.7, pp.46-47)).
Unfortunately, although special tailor-made earphone or duct device are arranged, the small gap between itself and the auditory canal wall still happens occasionally.These small gap can cause a large amount of sound to feedback, and are because the ear model can not imitate the geometry in the duct fully.What is more, and these small gap also can be followed the different shape of the kinetic duct of jaw portion and produce.
Improve tightness if provide to cooperate more closely to dwindle the slit, but can follow usually uncomfortable, stimulated or even pain, particularly at the close bone parts of very responsive and easier discomfort or the duct that stimulated.
With bigger hearing aids, to join the user who hangs type as the ear back and compare, it is the special problem that duct device user is had that sound is feedback, this is because the more close relatively receiver outlet of the inlet of microphone voice in the duct device.The receiver in the duct device and the proximity of microphone, the distance that makes acoustic energy walk is dwindled, and has therefore increased the possibility that sound is feedback.Based on this reason, the duct device is not suitable for recommending to the bigger patient of hearing loss function especially, because they require the bigger effect that amplifies, also just feedbacks than the easier generation sound of other design.
The space that another remarkable difficult problem of sound Coupling Design is an ear in the duct instrument is limited.For attractive in appearance, consumer's general requirements size little device of trying one's best, from the rapid increase of duct device user demand, this fact of wearing apparatus is exactly a clear proof in this respect behind the ear.Yet, although many hypomegetic advanced technologies are arranged recently, an ear model coupler is included in the duct device still impracticable, it wears in the hearing instrument of (BTE) very typical case behind ear.Because bigger device need not mate with it in limited duct space fully, thereby this device can combine with ear mold in turn and will be coupled from the sound and the duct of the outside receiver of duct.
This another defective that connects in turn is and the not only thin but also long relevant sound effect of pipe.Sound signal is surpassed about 10 millimeters pipeline by tiny bore length common in BTE device transmit, can produce some unfavorable changes the voice signal audio response that passes to ear drum membrane.
Since needn't pressing mold and tailor-made, so the removable acoustic coupler that salable and suitable all kinds of duct requires is comparatively desirable.Yet present accessory instrument comprises the compressed fit of screw thread or small connection becoming unrealistic because of its highly sensitive requirement makes it in being applied to the duct device, particularly for those a large amount of the old men that use hearing aidss.
Existing several inventions were done to describe to the method that the sound that sends with receiver is coupled to duct.People's such as Ward patent (United States Patent (USP) the 5th, 031,209 and 5,201, No. 007) discloses a kind of like this ear model, and it comprises a sound conduction pipeline with tip of foresight toughness flange.This flange tip and ear canal shapes are consistent so that acoustical seal to be provided.The ear model of this instrument shown in Fig. 1-6, its design are to be used to connect the receiver (loud speaker) that a hypothesis is positioned at the duct outside.
Similar, patent (United States Patent (USP) the 4th people such as A Erboge, 880, No. 076) and people's such as Australia Li Weiya patent (United States Patent (USP) the 5th, 002, No. 151) in, a kind of removable polymeric foam axle sleeve (shown in Fig. 1 and 2 of two patents) of pressing is disclosed, have a conduit 16 that forms with the box thread 20 of male thread 12 coupling of this instrument.Be used for earphone.This receiver does not show among the figure, is considered in the earphone the inside, or joins extension in its outside, but must be connected with interchangeable acoustic coupler constantly.
The patent of Ha Dete (United States Patent (USP) the 4th, 607, No. 720) discloses a silica gel sealing plug, and it can need not to link to each other with the hearing aids shell by a miniature hookup with being affiliated to.Sealing plug connects by quick overlap joint, friction or thread mechanism.
A significant deficiency of this technology is the foam axle sleeve of the continuous location of relative duct hearing aid instrument or earphone.It not only has negative effect to the sound matter from receiver, and has taken big quantity space in duct.These restrictions make that can take the formula acoustic coupler is not suitable for the duct device.
Another defective of this technology is caused that by its accessory it requires screw thread to want suitable sensitivity or coupling part to want accurately exquisite.And this is to some handicapped people, just be a problem very much as old man or people with disabilities, and many hearing aids users is just belonging to this class people.
Disclosed in card people's such as West Asia the patent (PCT number of patent application PCT/IB95/00164) is a kind of hearing aids of sealing ring that is positioned at the close bone parts of duct depths that has.It is contained in the innermost tail end of duct device by connector.Although this circle has been saved many spaces than above-mentioned technology, but this equipped way requires highly exquisiteness (for example equally, people's patents such as cross reference card West Asia are described the 7th page of the 9th row: " the sealing circle can be connected with shell by its fixed part with unloading, is in the present invention to connect by a bayonet socket ... (making) this circle can be changed easily by proper implements.”)
People's such as Xin Nibo patent (No. the 08/365th, 913, United States Patent (USP)) discloses an acoustical seal device that attaches in receiver assembly, shown in Figure 15-18.This acoustical seal device only makes the length of hearing aids increase little by little or not to be increased.Yet this invention does not propose further to improve to the arrangement and the transformation of acoustical seal device.
Therefore, it is very useful providing a kind of acoustic coupler of can comfortable effective seal and can insert end user's duct deeply.
Summary of the invention
The invention provides ear speaker device in a kind of duct, comprise a receiver assembly and one that can take, the acoustical seal of improvement is provided and when inserting duct, has felt comfortable acoustic coupler.For reaching the purpose of deep insertion duct, acoustic coupler is removably fixed with a receiver.Not by any special tool(s), this acoustic coupler can be changed easily and be taken down, even also very convenient for those inflexible people that take action.
The invention provides and a kind of sound is connected to the ear speaker device of duct depths, the characteristic of the sound that it can not give out to the earphone size and from receiver has a negative impact.
In preferred embodiment of the present invention, acoustic coupler provides the column type connecting bushing of semirigid a, diaphragm type, is fit to join with the receiver assembly of column type.One suitable seal is attached directly on the connecting bushing and coincide to reach comfortable, and duct sound is sealed.The connecting bushing of acoustic coupler and receiver assembly keep strict concentric, take so that contact-making surface is saved the space and the user is taken out very easily as far as possible.
It is by tiny axial (a pushing away) power acoustic coupler to be fixedlyed connected with receiving system that this acoustic coupler is attached to receiving system.This coupler keeps firmly connecting and can resist a large amount of axially clutch (drawing) power, and can not be moved in duct inside or outside.Yet when the receiver shell was used rotation (twisting) power, acoustic coupler can separate with the receiver shell at an easy rate.Because rotation is mobile very small when ear's insertion and taking-up hookup, unexpected generation separation is impossible.The quick connection of this uniqueness, turn on mechanism and make when acoustic coupler is connected to the shell of receiver, each relevant parts of alignment accurately, and this also is that the old user to those low visions or dexterity difference is a big advantage.
This receiving system comprises unique in its peripheral threaded body, and the screw thread of this relative rigid element is the tapered thread of an orientation, with the recessed threads engaged of similar tapering along the connecting bushing inwall of acoustic coupler.Convex thread only around the receiving system relative both sides exist, the remaining peripheral diameter that does not have screw thread to be reduced at least convex thread than minor diameter.The flexible relatively and thin-walled of connecting bushing is so make this axle sleeve be deformed into an ellipse in the axial compressive force that is squeezed to connecting bushing on the receiving system to be produced.Yet this axle sleeve but has enough rigidity to make revolving force can't change the shape of this axle sleeve.Have only like this by rotatablely moving, the screw thread of turning between acceptor device and the connecting bushing just can make both separate, and the design provides the method for attachment of a safe ready at this thus.
Connecting bushing essence, rather than connects around receiving system in turn with radial loop.The length of Headphone device has been shortened in this design.This feature of the present invention is particularly conducive to the duct instrument, and the increase of any hard material length all might endanger the safe, comfortable of Headphone device or influence attractive in appearance.
The present invention also separates and assembles the chuck of acoustic coupler for the user provides easy to use being used to.The packing chuck is being adorned the acoustic coupler that can take out, can push the receiving system of earphone against coupler this consumer in the packing chuck, thereby make the rapid snapping of coupler.The consumer can take out this coupler immediately from the packing chuck, insert duct and use, and has avoided the unnecessary acoustic seal that is caused by installation to pollute like this, and promptly the consumer contacts the pollution that this coupler causes in installation process.
Brief Description Of Drawings
Fig. 1 is the coronal plane internal anatomy of ear's duct;
Fig. 2 is the cross-table internal anatomy of ear's duct;
Fig. 3 is the profile of earphone, shows a receiving system and an acoustic coupler;
Fig. 4 a is the cross-sectional view after a circular receiver shell and a circular connecting bushing insert mutually;
Fig. 4 b is the cross-sectional view that a circular receiver shell and a circular connecting bushing are inserting mutually;
Fig. 5 is the sectional drawing of earphone, shows the radial deformation that connecting bushing produces when being subjected to axle thrust;
Fig. 6 a is that an ellipse receiver shell is when separating with an ellipse connecting bushing and the cross-sectional view during assembling;
Fig. 6 b be an ellipse receiver shell with an ellipse connecting bushing adhere to separate in cross-sectional view;
Fig. 7 is the cross-sectional view of earphone in duct;
Fig. 8 is the end view of gas-permeable channels between receiver shell and the connecting bushing;
Sound attenuating moved towards figure when Fig. 9 was a crack of earphone and two cracks;
Figure 10-16 shows the various forms and the shape of the acoustical seal part that is fit to;
Figure 17 shows that a packing chuck packing removable acoustical seal part;
Figure 18 shows the acoustical seal part in the packing chuck, be connected to (top) before the receiver shell and among the form of (bottom);
Figure 19 is the crown figure of a duct, shows that one has the duct hearing instrument of earphone;
Figure 20 is that the crown figure of a duct has an earphone that is used to connect outside radio reception equipment.
The detailed description of invention
The present invention is the sound signal that is coupled within people's duct. An earphone and acoustic coupler that employing is used with any sound device or audio system are connected to sound in the duct. The present invention is particularly suitable for the supporting application of patent " clear audiphone " (No. the 08/365th, 913, United States Patent (USP)) with people such as Xin Nibo.
The invention provides the earphone in the duct, be comprised of an acoustic coupler, this coupler has the connecting bushing that is complementary with a column type receiver assembly. Earphone can be inserted in people's the duct deeply.
Fig. 3 is the cross-sectional view of an earphone 40, has showed a receiver assembly 48 and an acoustic coupler 50 of preferred embodiment of the present invention.Earphone 40 also can become the part of hearing aids shown in Figure 19 10, or the part of the audio system of duct outside, but this audio system is connected with earphone by signal circuit 39 or alternate manner as shown in figure 20.Leader 38 (Figure 20) makes hearing aids be inserted easily and to take out, and can alleviate the drawing tension of the electric wire 37 in the signal circuit 39.Other connection audio signal can comprise to the way of earphone: wireless connections such as radio frequency (RF), or infrared ray connects (IR).
The receiver assembly of duct device or audio system can be hinged processing ease and the dark duct that inserts of making, and this connection can reach by a ball-and-socket joint 12 as Figure 18.
In Fig. 3, receiver assembly 48 (Fig. 3) comprises a receiver 41, and this receiver 41 is connected with receiver shell 42 by receiver shell hookup 43.Receiver overcoat 47 is to be used for protecting receiver not to be subjected to the erosion of environment and physiology secretion, comprises earwax (ear wax).Receiver sound hole 49 provides an outlet to be used for the sound hole 55 of audio emission to hookup, ear drum membrane 26 in arriving then.The puigging 44 of one vibration is used to the mechanical oscillation and the receiver shell 42 of receiver 41 are kept apart, and keeps apart with hearing devices 10 then.Harder taper convex thread 45 is used for the receiver shell is linked to each other with acoustic coupler 50 relatively.Fig. 4 has showed the partial screw threads 45 that is positioned at the relative both sides of receiver shell 42 circumferential perimeter.
This acoustic coupler 50 (shown in Figure 3) comprises a connecting bushing 52, has a connecting thread 53 and a corresponding acoustical seal part 51 on this axle sleeve, the sealing part can be when inserting duct and ear canal shapes adapt.Connecting bushing 52 is to be manufactured by a kind of film class material of elastically deformable, as plastics.Ventilative crack, empty road 54 is to be used for blowdown presssure and release low-frequency sound.
When assembling, receiver assembly 48 is inserted among the acoustic coupler 50, shown in Fig. 3,4a, 4b and 5.Use axially that (pushing away) power is connected on the acoustic coupler, when connecting bushing by push the top to the taper of receiver assembly 48, during Local Convex screw thread 45, connecting bushing 52 is deformed.As the diagram of Fig. 4 a, 4b and 5, axial force 80 makes the convex thread of receiver shell can produce radial load 81, makes resilient hookup be deformed into ellipse, and makes the hookup screw thread slip over the top of receiver shell taper convex thread.Fig. 4 a, 4b have showed connecting bushing 52A and 52B respectively outer be trapped among (shown in Fig. 4 b) among the snapping process and after the state of (shown in Fig. 4 a).Connecting bushing has become an oval 52A basically, and it is to be determined by the outer wall of receiver shell and Local Convex screw thread 45 and non-threaded regional 46 thereof.
When this acoustic coupler was connected fully, connecting bushing 52 (shown in Figure 5) then restored fully to its original cylindrical 52B (shown in Fig. 4 a and the 4b) and 52 (shown in Figure 5).The concavo- convex screw thread 45 and 53 of corresponding receiver and hookup is connected to acoustic coupler 50 on the receiver assembly 48 with ensuring safety respectively.The tapered connecting thread design of this inner locking type has avoided possible axial tension that acoustic coupler is come off, but main rotation (twisting) power of using is taken out this acoustic coupler.
After acoustic coupler 50 was connected on the receiver 48, as mentioned above, link was just inserted deeply and is fixed in user's the duct.Because employed rotation (twisting) power was very small when insertion, taking-up or this device were worn in duct, this acoustic coupler all can keep safe connection in normal use.If want acoustic coupler is taken out from receiver assembly, very simple, only need relative receiver assembly 48 rotation (twisting) couplers 50 to get final product.But this action has only when acoustic coupler is positioned at duct and just can carry out when outside, and such purpose is when earphone during at duct, prevents that potential acoustic coupler from unexpectedly coming off from receiver assembly.
In an alternative embodiment of the invention, receiver shell and acoustic coupler have an elliptical shape, improve its adaptability and sound sealing to being generally oval-shaped duct so that can suitably be out of shape.Fig. 6 a and 6b have showed the cross section of the oval receiver shell of the screw thread 45 that has on the long axis direction and the no thread segment 46 on the short-axis direction respectively.Connecting bushing 52 with strain function also is oval-shaped.Similarly, connecting bushing is being out of shape 52B (shown in Fig. 6 b) in the overlap joint process, and its localized indentation screw thread 53 (shown in Figure 5) is meshed with the Local Convex screw thread 45 of receiver shell.Uncoupling (shown in Fig. 6 b) is to realize that by applying an internal-direction-force 82 along the short-axis direction of connecting bushing this power causes major axis expansion 52B, thereby the screw thread of engagement is thrown off.One simultaneous pulling force is with acoustic coupler uncoupling from receiver assembly.The extruding force of this introversion and the combination of pulling force are very simple, and only manual operations gets final product.
The present invention also not only is confined to the method for above-mentioned disclosed concrete shape, connection and uncoupling, and other structure also is conspicuous to one skilled in the art.
Insert simple and optimize the acoustical seal of going deep into duct for reaching, the wall thickness of acoustic coupler axle sleeve 52 and receiver shell 42 is wanted significantly less than the thickness of acoustical seal part 51 or the diameter of receiver 41.Fig. 7 has showed the cross-sectional view of earphone in duct, and has illustrated the present invention's sealing and the effect of effectively utilizing the space.Receiver 41 is with the center of vibration insulator between receiver 41 and receiver shell 42.Receiver outer casing screw 45 and connecting bushing 52 engagements, the structure around the receiver 41 make its diameter increase less and make the enlarged diameter of acoustical seal part 51.As shown in Figure 7, this can to reach best comfortable sealing effectiveness to seal 51 in grotesque duct very necessary.Outstanding design of the present invention also goes for traditional miniature hearing aid receiver, ES3126 and the SD3183 NOS type hearing aid receiver produced as Illinois ITASCA KNOWLES Electronics Factory.
The vibration insulator 44 that is positioned at receiver assembly 48 is made by viscoelastic material especially, and it can protect receiver to avoid potential infringement when earphone falls to rigid surface.
This earphone comprises a gas extraction system, with the pressure in this next balanced duct and the pressure of external environment condition.This system can make eardrum avoid extracting the stimulation that abrupt pressure that earphone produces changes owing to inserting effectively, and since the variation of the actual pressure that external environment condition causes stimulate.In addition, this gas extraction system can also relax and comprise that the bass that the sound by user walking, the motion of jaw portion and user oneself produces can be at interior latch up effect in external auditory meatus.This latch up effect can be alleviated greatly by gas extraction system.Yet the size of this gas extraction system and design must reach pressure balance and reduce latch up effect guaranteeing not produce under the prerequisite that significant high frequency reveals, and reveal relevant sound and shake back coupling to prevent special and this significant high frequency.
The example of earphone gas extraction system of the present invention as shown in Figure 8.Exhaust is the exhaust passage 71 that is made of the space between the no threaded portion 46 of a connecting bushing 52 and receiver shell 42, and realizes by an exhaust crack 54 that is positioned on the connecting bushing 52.The shape and size in space and exhaust crack are determining the characteristic of exhaust.
Fig. 9 is the sound attenuating curve chart of earphone, and this figure has showed the effect in two exhaust cracks of contrast, single exhaust crack (hacures) (solid line).All there is nearly 0.25 a square millimeter cross section in each bar crack.The measurement of sound reduction is near the acoustic pressure that produces inherent its sound hole 55 (Fig. 3) of first hookup (i.e. the hookup of a 0.5cc) by calculating, and draw by the difference between the leakage acoustic pressure of measuring in second hookup with an exhaust crack 54.Two miniature sound-pipes and sound-pipe amplifier, i.e. ER-7C type (model no.ER-7C), it is made by Ai Dimodike research company (Etymotic Research Inc.), is used to measure the acoustic pressure size in each coupler.The signal analyzer of one two passage by the SR780 type (model no.SR-780) of Shi Tanfu research system development, is used to analyze and shows the sound attenuating situation of audiometry frequency up to nearly 5000Hz.
Fig. 9 shows that this gas extraction system maintains significant sound attenuating (surpass 45dB) being higher than under the situation of 2000Hz, yet at low frequency, particularly below the 2000Hz, the decling phase of sound is to less (having more leakage).This is a kind of desirable effect, because most user only requires significant sound attenuating for reducing the high frequency back coupling when high-frequency, but requires less decay to relax latch up effect when low frequency.
Exhaust can reach with various approach in the earphone of duct, therefore is not limited to be connected passage partly with connecting bushing by receiver assembly and realizes exhaust.For example, as shown in Figure 10, a blast pipe 61 can be included among the corresponding acoustical seal part 51.Exhaust also can be the build-in attribute that is used to make corresponding acoustical seal material, and for example, the polyurethane foam of some type (Polyurethane foam) just can be leaked air in certain amount because of the peculiar eyelet characteristic of its structure.In addition, exhaust can also provide (not shown) by a passage that designs in the receiver shell.
Acoustic coupler of the present invention comprises a chip protective layer 57 (Fig. 3), protects receiver with this, collects environment and comprises the physiology chip of earwax.Nearby a sound tube coupling 56 is arranged at eardrum, with this sound that is coupled and sends by receiver.These pipeline 56 best soft flexibles, but enough rigidity must be arranged in case when this acoustic coupler 50 inserts ducts, the wall film rupture of sound mouth 55, thus also avoid being blocked from the sound that receiver 41 is dispersed out.
Although because connecting bushing 52 must surround the receiver shell, and make its size that follows the receiver shell closely, acoustical seal part 51 form on radial and axial is changeable, to be fit to different people's duct size and dimension.
What Figure 10-16 showed is the various forms of corresponding acoustical seal part 51, and they are the representatives that are used for acoustical seal part of the present invention, but and more than that.The basic element of connecting bushing 52 and other these acoustic couplers for reach succinct and clearly purpose always do not appear among Figure 10-16.
What Figure 10 showed is an acoustical seal part with minimum gauge that is used for small and narrow and shallow duct.Its shape has very slow taper, so that insert duct deeply.In this embodiment, can not in duct, be blocked because sound hole 55 is very short and small, therefore need not sound connecting tube 56.
The acoustical seal part that Figure 11 showed has a buffering area 58, feels comfortable when being used to go deep into duct, particularly concerning those crooked more ducts.Sound coupling pipeline 56 can connect a flexible hose and manufacture by in sound hole 55, as silicone tubing, perhaps can make by pressing mold with the material of working as, and as rtv silicone, heat fusing adhesion or epoxy.
Figure 12 has showed the acoustic coupler of the acoustical seal part that has flange 59, and this flange extends greatly and surpasses the scope of connector axle sleeve 52 to ear drum membrane zone 26 directions.Yet connecting bushing 52 but is centered around receiver shell (not shown) on every side.
Figure 13 has showed tightly round the acoustical seal part of the flange 69 of connecting bushing 52.
Its flange of acoustical seal part that Figure 14 shows both tightly around connecting bushing 52, extended beyond connecting bushing 52 again.
The acoustical seal part that Figure 15 shows has backward a folding section 67.
By optimizing the design of flange and sound seal 51 surface structures, be convenient to the insertion and the taking-up of earphone, also help earphone in duct, to deposit firmly simultaneously.
The acoustical seal part is preferably selected material soft and that easily take advantage of a situation distortion for use, so that adapt to coming in every shape and irregular shape of human duct.Polymeric foam and artificial rubber are as multiple polyurethane (Polyurethane) or silica type material, with its desirable quality and safe in utilization and hold altogether and be celebrated with human-body biological in duct.
For the ease of inserting this acoustical seal part, the material of selecting for use in one embodiment is a condensate, this condensate can be outside duct compacting rapidly, therefore but in duct, unclamp relatively slowly, make the user before it restores the form of unclamping to it and size fully, insert duct easily.This easy compression of this material and restore fabrication schedule and the composition that characteristic slowly depends in part on this material.For example the open honeycomb foaming structure of part can make air discharge when being extruded, and waits for that air re-fills but restore to take time.Optimal situation is, the acoustical seal part restored to the original state in nearly 30 seconds and with the duct fast sealing, and the user has the enough time that earphone is inserted duct fully, has reduced the sound back coupling like this before it restores fully.
For the ease of earphone is inserted duct, particularly to some handicapped users, preferably by coating suitable lubricating oil 62 on acoustical seal part top layer so that a smooth acoustical seal part to be provided, as shown in figure 16.The oil glue and the mineral oil that are coated in the appropriate amount on acoustical seal part surface are very effective lubricating agent.Lubricator can also be as the raw-material additive of acoustical seal part.Other slip coating and additive comprise hydrogel, vinyl polymerization pyrrolones (polyvinyl pyrolidone) (PVP), vinyl polymerization alcohol (polyvinyl alcohols) (PVA), silicide, fluoropolymer (flouropolymers), wax and oil.
The coating of acoustical seal part and additive can also have pharmaceutical compositions, comprise various rhzomorphs, as silver/silver oxide, and the tincture of iodine, antibiotic, surfactant, antibiotic and anti-inflammatory element.These medicines can reduce duct owing to using acoustic coupler to be polluted stimulation and the infection that causes accidentally.
In addition, coating, additive and design feature as the design of flange, also can be optimized to help the user when taking out this acoustic coupler the earwax of duct to be brought out simultaneously.
The present invention also provides the chuck of a packing acoustic coupler for the user, shown in Figure 17,18.This packing chuck 70 comprises several vestibules 71, can change and removable acoustic coupler 50 in order to hold.The consumer can be in packing chuck 70 against acoustic coupler 50 pushing receiver assemblies 48, make this coupler join with receiver assembly fast, then acoustic coupler 50 is taken out from packing chuck 70, use in the insertion duct.Vestibule 71 can be taper as shown in figure 18.Conical region 72 is temporarily compressed this acoustic coupler when being connected with receiver 48.This temporary transient compression makes acoustic coupler become easy in subsequently insertion in duct and expansion.In another embodiment, acoustic coupler extruding in advance in the vestibule of minor diameter more.This acoustic coupler that is pushed in advance launches in duct subsequently.
Example
The model machine of an earphone is manufactured into and comprises an acoustic coupler and a receiver shell.By FGV-5 type and the FGV-50 type dynamometer that suffering spectrum (SHIMPO) company produces, measure acoustic coupler and link to each other with the receiver shell and the employed maximum axial force of uncoupling, also be to be used for measuring from the desired standard maximum of duct taking-up earphone making firmly.By the MGT10Z type torgue measurement instrument that mark 10 produces, required turning moment when being used for measuring normal uncoupling acoustic coupler.
For purpose easily is discussed, measurement parameter is determined as follows:
Axially connection power (F ax-att) with newton be unit acoustic coupler is connected to maximum axial force required on the receiver shell;
Axially uncoupling power (F ax-det) with newton be unit acoustic coupler is thrown off required maximum axial force from the receiver shell;
Rotation uncoupling moment (T rot-det) with newton centimetre be unit acoustic coupler is thrown off required maximum moment from the receiver shell;
Earphone take out power (F ep-rem) with newton be unit earphone is taken out required maximum, force from duct.
This test repeats to be implemented on the sample of two representatives different acoustic coupler of the present invention.
Form 1 has comprised two sample test results' mean value:
Form 1 test result
| Test parameter | Example 1 | Example 2 | Mean value |
| Axial connection power (Nt newton) | ???5.93 | ???5.79 | ????5.86 |
| Axial uncoupling power (Nt newton) | ???21.0 | ???36.6 | ????28.8 |
| Rotation uncoupling moment (Ncm newton centimetre) | ???0.71 | ???0.93 | ????0.82 |
| Earphone takes out power (Nt newton) | ???2.06 | ???1.61 | ????1.84 |
This test result has been confirmed axial separation force and has definitely been taken out power greater than axial connection power and earphone, has therefore reduced the acoustic coupler possibility that accidental is separated inside and outside duct.This test result has also been confirmed because rotation separation moment is very small, shows that it is a kind of preferred methods that acoustic coupler is thrown off from the receiver shell that rotation separates.
Although the present invention as described herein all is reference with the preferred embodiment, yet, those skilled in the art will appreciate that the application of other replaceable aforementioned means in thought of the present invention and scope.Therefore, the present invention should only only limit in the following included claim.
Claims (60)
1, acoustic coupler in a kind of duct is used for being coupled from the voice signal of receiver assembly in the duct and this signal is transferred in people's the duct acoustic coupler in this duct
Comprise with the lower part:
A connecting bushing is suitable for and described receiver assembly coaxial positioning;
A mechanism relevant with connecting bushing, this mechanism uses minimum axial thrust, and above-mentioned acoustic coupler is connected with described receiver assembly, and wherein axial tension is more many greatly than above-mentioned axial connection thrust, and
Acoustical seal part around described connecting bushing is suitable for when being inserted into duct and the ear canal shapes of different people adapts.
2, acoustic coupler according to claim 1 is characterized in that: described bindiny mechanism comprises that a quick clutch mechanism and that acoustic coupler is connected on the receiver assembly rotatably unscrews mechanism, is used for acoustic coupler and receiver assembly are separated.
3, acoustic coupler according to claim 1 is characterized in that: described bindiny mechanism comprises that one is connected to quick clutch mechanism and a kind of crowded machine drawing structure on the receiver assembly with acoustic coupler, is used for acoustic coupler and receiver assembly are separated.
4, acoustic coupler according to claim 1 is characterized in that: this acoustic coupler is suitable for being easy to change.
5, acoustic coupler according to claim 1, it is characterized in that: acoustic coupler is replaceable.
6, acoustic coupler according to claim 1 is characterized in that: this coupling was both suitable to be used with the hearing aid instrument, and also suiting, earphone uses in duct.
7, acoustic coupler according to claim 6 is characterized in that: described hearing aid instrument is a kind of duct device.
8, acoustic coupler according to claim 1 is characterized in that: earphone links to each other with an outside radio system by at least one circuit or wireless connections in the duct that this acoustic coupler adopts.
9, acoustic coupler according to claim 6 is characterized in that: the earphone that uses in hearing aid instrument and the duct is to flexibly connect.
10, acoustic coupler according to claim 1 is characterized in that: the connecting bushing leg is very thin and can strain.
11, acoustic coupler according to claim 1 is characterized in that: connecting bushing both can be that a circle also can be an ellipse.
12, acoustic coupler according to claim 1 is characterized in that: the local locking screw that described bindiny mechanism also is included on the receiver assembly or nearby forms, this screw thread make described connecting bushing distortion when connecting this acoustic coupler.
13, acoustic coupler according to claim 12 is characterized in that: described local locking screw has tapering and makes the connecting bushing distortion.
14, acoustic coupler according to claim 1 is characterized in that: described acoustical seal part is coaxial fully with connecting bushing.
15, acoustic coupler according to claim 1 is characterized in that: described acoustical seal part can extend described receiver assembly towards user's ear drum membrane.
16, acoustic coupler according to claim 1 is characterized in that described acoustical seal part and connecting bushing are coaxial fully, and the ear drum membrane towards the user extends described receiver assembly again.
17, acoustic coupler according to claim 1 is characterized in that: the acoustical seal part has the duct of a buffer area with the convenient user of insertion at least.
18, acoustic coupler according to claim 1 is characterized in that: the acoustical seal part has at least one flange.
19, acoustic coupler according to claim 1 is characterized in that: the acoustical seal part has at least one back folding section.
20, acoustic coupler according to claim 1 is characterized in that: acoustical seal part or have a lubricant coating perhaps has additive, to make things convenient for insertion and the taking-up of acoustic coupler in user's duct.
21, acoustic coupler according to claim 6 is characterized in that: suitable duct device or the interior earphone of duct of making of sealing part all retained in user's duct easily.
22, acoustic coupler according to claim 1, it also comprises: a chip overcoat is used for protecting the receiver in the receiver assembly and is used for collecting the interior chip of user's duct.
23, acoustic coupler according to claim 1, it further comprises: one or more superficial features that are used to take out user's duct intraclast.
24, acoustic coupler according to claim 1 is characterized in that: described acoustical seal part comprises a kind of material or the coating that contains at least a medicine in antibiotic, antibiotic, anti-inflammatory element or the bactericide.
25, acoustic coupler according to claim 1, its feature comprise that further one is used for the gas extraction system of the gentle effect that unblocks of release pressure.
26, acoustic coupler according to claim 1, it is characterized in that: the acoustical seal part is to be made by a kind of material that can compress, after inserting user's duct, there is the sufficient time to restore to the original state, thereby makes the insertion of acoustic coupler in user's duct, seal and retain and all become easy.
27, acoustic coupler according to claim 26 is characterized in that: described material restored needs about 30 seconds fully.
28, earphone in the duct comprises:
One comprises the receiver assembly of a receiver;
One acoustic coupler is used for being coupled and goes from the voice signal of receiver assembly and the duct that is sent to the people, comprising:
One connecting bushing, suitable and described receiver assembly coaxial positioning;
A mechanism relevant with connecting bushing, this mechanism uses minimum axial thrust, and above-mentioned acoustic coupler is connected with described receiver assembly, and wherein axial tension is more many greatly than above-mentioned axial connection thrust, and
Acoustical seal part around described connecting bushing is suitable for when being inserted into duct and the ear canal shapes of different people adapts.
29, earphone in the duct according to claim 28 is characterized in that described bindiny mechanism comprises that one is connected to quick clutch mechanism and on the receiver assembly with acoustic coupler and is used for rotatably unscrewing mechanism with what acoustic coupler and receiver assembly were separated.
30, earphone in the duct according to claim 28, it is characterized in that: described bindiny mechanism comprise one with acoustic coupler be connected on the receiver assembly quick clutch mechanism and a kind of be used for acoustic coupler and receiver assembly separated squeeze the machine drawing structure.
31, earphone in the duct according to claim 28, it is characterized in that: this acoustic coupler is suitable for changing easily.
32, earphone in the duct according to claim 28, it is characterized in that: this acoustic coupler can arbitrarily use.
33, earphone in the duct according to claim 28 is characterized in that: this coupler was both suitable to be used with the hearing aid instrument, and also suiting, earphone uses in duct.
34, earphone in the duct according to claim 33, it is characterized in that: described hearing aid instrument is a kind of duct device.
35, earphone in the duct according to claim 28 is characterized in that: earphone links to each other with an outside radio system by at least one circuit or wireless connections in the duct that this acoustic coupler adopts.
36, earphone in the duct according to claim 33 is characterized in that: the interior earphone of hearing aid instrument and duct all is to flexibly connect in the described duct.
37, earphone in the duct according to claim 28 is characterized in that: the connecting bushing leg is very thin and can strain.
38, earphone in the duct according to claim 28, it is characterized in that: connecting bushing both can be that a circle also can be an ellipse.
39, earphone in the duct according to claim 28 is characterized in that: the local locking screw that described bindiny mechanism also is included on the receiver assembly or nearby forms, this screw thread make described connecting bushing distortion when connecting this acoustic coupler.
40, according to earphone in the described duct of claim 39, it is characterized in that: described local locking screw has tapering and makes the connecting bushing distortion.
41, earphone in the duct according to claim 28, it is characterized in that: described acoustical seal part is coaxial fully with connecting bushing.
42, earphone in the duct according to claim 28, it is characterized in that: described acoustical seal part can extend described receiver assembly towards user's ear drum membrane.
43, earphone in the duct according to claim 28, it is characterized in that: described acoustical seal part is coaxial fully with connecting bushing, and the ear drum membrane towards the user extends described receiver assembly again.
44, earphone in the duct according to claim 28 is characterized in that: the acoustical seal part has the duct of a buffer area with the convenient user of insertion at least.
45, earphone in the duct according to claim 28, it is characterized in that: the acoustical seal part has at least one flange.
46, earphone in the duct according to claim 28 is characterized in that: the acoustical seal part has at least one back folding section.
47, earphone in the duct according to claim 28 is characterized in that: acoustical seal part or have a lubricant coating perhaps has additive, to make things convenient for insertion and the taking-up of acoustic coupler in user's duct.
48, earphone in the duct according to claim 34 is characterized in that: suitable duct device or the interior earphone of duct of making of sealing part all retained in user's duct easily.
49, earphone in the duct according to claim 28, its feature further comprises:
One chip overcoat is used for protecting the receiver in the receiver assembly and is used for collecting the interior chip of user's duct.
50, earphone in the duct according to claim 28, its feature further comprises:
One or more superficial features that are used to take out user's duct intraclast.
51, earphone in the duct according to claim 28, it is characterized in that: described acoustical seal part comprises a kind of material or the coating that contains at least a medicine in antibiotic, antibiotic, anti-inflammatory element or the bactericide.
52, earphone in the duct according to claim 28, its feature further comprises:
One is used for the gas extraction system of the gentle effect that unblocks of release pressure.
53, earphone in the duct according to claim 28, it is characterized in that: the acoustical seal part is to be made by a kind of material that can compress, after inserting user's duct, there is the sufficient time to restore to the original state, thereby makes the insertion of acoustic coupler in user's duct, seal and retain and all become easy.
54, according to earphone in the described duct of claim 53, it is characterized in that: described material restored needs about 30 seconds fully.
55, a distributor that is used for distributing acoustic coupler in one or more ducts, described one or more acoustic coupler each all have an acoustical seal part to be centered around around the connecting bushing, wherein be the acoustical seal part can be when inserting duct and user's ear canal shapes adapt, wherein relevant with acoustic coupler mechanism is suitable to make acoustic coupler link to each other with receiver assembly with minimum axial thrust, wherein axial tension is more many greatly than above-mentioned axial connection thrust, and this distributor comprises:
The chuck that wherein contains one or more cavitys is used to distribute one or more acoustic couplers.
56, according to the described distributor of claim 55, it is characterized in that: described one or more cavitys have a tapering with when acoustic coupler is connected with receiver assembly, temporary transient acoustic compression coupler.
57, according to the described distributor of claim 55, it is characterized in that: described one or more cavitys so that before acoustic coupler is connected to receiver assembly, compress the sound seal less than described acoustic coupler in advance.
58, according to the described distributor of claim 55, it is characterized in that: acoustic coupler can be changed in the described duct.
59, distributor according to claim 15 is characterized in that: the acoustical seal part further also contains a sound tube connector.
60, according to the described distributor of claim 42, it further comprises:
A sound tube connector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90240197A | 1997-07-29 | 1997-07-29 | |
| US08/902,401 | 1997-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1265817A true CN1265817A (en) | 2000-09-06 |
Family
ID=25415814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98807774A Pending CN1265817A (en) | 1997-07-29 | 1998-07-07 | Acoustic coupler |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1000526A2 (en) |
| JP (1) | JP2001512943A (en) |
| KR (1) | KR20010022382A (en) |
| CN (1) | CN1265817A (en) |
| AR (1) | AR012683A1 (en) |
| AU (1) | AU725594B2 (en) |
| CA (1) | CA2297659A1 (en) |
| WO (1) | WO1999007182A2 (en) |
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| WO2019199705A1 (en) * | 2018-04-10 | 2019-10-17 | Acouva, Inc. | Ear buds having exterior venting channels |
| CN109246509A (en) * | 2018-09-10 | 2019-01-18 | 天津大学 | Antibacterial sleep-assisting earphone cover material |
| DE102018132445A1 (en) * | 2018-12-17 | 2020-06-18 | Kind Hörgeräte Gmbh & Co. Kg | Otoplastic and use of an otoplastic |
| CN111246359A (en) * | 2020-04-01 | 2020-06-05 | 厦门新声科技有限公司 | Micro auditory canal type hearing aid |
| KR102394539B1 (en) * | 2021-09-23 | 2022-05-06 | 주식회사 세이포드 | Hearing aid with a coupler for realizing contact hearing aid performance and a receiver detachable from the coupler |
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| US4601294A (en) * | 1982-01-25 | 1986-07-22 | Minnesota Mining And Manufacturing Company | Ear canal electrode |
| US5002151A (en) * | 1986-12-05 | 1991-03-26 | Minnesota Mining And Manufacturing Company | Ear piece having disposable, compressible polymeric foam sleeve |
| DK157647C (en) * | 1987-10-14 | 1990-07-09 | Gn Danavox As | PROTECTION ORGANIZATION FOR ALT-I-HEARED HEARING AND TOOL FOR USE IN REPLACEMENT OF IT |
| US4977976A (en) * | 1988-09-27 | 1990-12-18 | Microsonic, Inc. | Connector for hearing air earmold |
| CA2052423A1 (en) * | 1991-09-26 | 1993-03-27 | Manfred Karl Garbe | Hearing aid wax guard with integral bridge |
| US5343532A (en) * | 1992-03-09 | 1994-08-30 | Shugart Iii M Wilbert | Hearing aid device |
| US5701348A (en) * | 1994-12-29 | 1997-12-23 | Decibel Instruments, Inc. | Articulated hearing device |
| JPH08195999A (en) * | 1995-01-17 | 1996-07-30 | Rion Co Ltd | Earhole fitting |
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- 1998-05-11 AR ARP980102167A patent/AR012683A1/en unknown
- 1998-07-07 CN CN98807774A patent/CN1265817A/en active Pending
- 1998-07-07 JP JP2000505769A patent/JP2001512943A/en active Pending
- 1998-07-07 WO PCT/US1998/013890 patent/WO1999007182A2/en not_active Application Discontinuation
- 1998-07-07 AU AU82879/98A patent/AU725594B2/en not_active Ceased
- 1998-07-07 EP EP98933150A patent/EP1000526A2/en not_active Withdrawn
- 1998-07-07 CA CA002297659A patent/CA2297659A1/en not_active Abandoned
- 1998-07-07 KR KR1020007000961A patent/KR20010022382A/en not_active Application Discontinuation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507295B (en) * | 2006-06-23 | 2012-11-07 | Gn瑞声达A/S | A hearing aid with a removably connected elongate member |
| CN101554062B (en) * | 2006-11-22 | 2012-03-07 | 索尼爱立信移动通讯股份有限公司 | Sound emitting device with an expandable earpiece |
| CN103124392A (en) * | 2011-11-17 | 2013-05-29 | 奥迪康有限公司 | Docking station for hearing aids |
| CN106878894A (en) * | 2015-09-08 | 2017-06-20 | 奥迪康有限公司 | Sealing ear piece |
| CN107613444A (en) * | 2016-07-12 | 2018-01-19 | 奥迪康有限公司 | Audiphone |
| CN107613444B (en) * | 2016-07-12 | 2021-06-18 | 奥迪康有限公司 | Hearing aid |
| CN109889937A (en) * | 2016-12-09 | 2019-06-14 | 金士顿数位股份有限公司 | With the earphone for meeting ergonomics cushion and its meet ergonomics cushion |
| CN109889937B (en) * | 2016-12-09 | 2020-08-21 | 金士顿数位股份有限公司 | Earphone device with ergonomic cushion |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010022382A (en) | 2001-03-15 |
| AU725594B2 (en) | 2000-10-12 |
| AU8287998A (en) | 1999-02-22 |
| WO1999007182A3 (en) | 1999-04-22 |
| JP2001512943A (en) | 2001-08-28 |
| AR012683A1 (en) | 2000-11-08 |
| WO1999007182A2 (en) | 1999-02-11 |
| EP1000526A2 (en) | 2000-05-17 |
| CA2297659A1 (en) | 1999-02-11 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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