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EP3731536B1 - Struktur der ohrmuschel mit schürtzebefestigung - Google Patents

Struktur der ohrmuschel mit schürtzebefestigung Download PDF

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Publication number
EP3731536B1
EP3731536B1 EP19170641.5A EP19170641A EP3731536B1 EP 3731536 B1 EP3731536 B1 EP 3731536B1 EP 19170641 A EP19170641 A EP 19170641A EP 3731536 B1 EP3731536 B1 EP 3731536B1
Authority
EP
European Patent Office
Prior art keywords
skirt
concha
ear
housing
antihelix
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.)
Active
Application number
EP19170641.5A
Other languages
English (en)
French (fr)
Other versions
EP3731536B8 (de
EP3731536A1 (de
EP3731536C0 (de
Inventor
Vidar Sandanger
Johan Sundkvist
Henrik Myhre-Sandmark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sectio Aurea AS
Original Assignee
Sectio Aurea AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sectio Aurea AS filed Critical Sectio Aurea AS
Priority to EP19170641.5A priority Critical patent/EP3731536B8/de
Priority to EP23150942.3A priority patent/EP4192030A1/de
Priority to US16/978,077 priority patent/US11122353B2/en
Priority to JP2021559511A priority patent/JP7100208B2/ja
Priority to EP19829247.6A priority patent/EP3753261B1/de
Priority to PCT/EP2019/087158 priority patent/WO2020216463A1/en
Priority to KR1020207032326A priority patent/KR102310442B1/ko
Priority to CN202010269168.8A priority patent/CN111836151B/zh
Priority to CN202010269102.9A priority patent/CN111836150A/zh
Priority to CN202022848619.1U priority patent/CN214338098U/zh
Priority to CN202020504521.1U priority patent/CN212231703U/zh
Priority to CN202020499419.7U priority patent/CN212064318U/zh
Priority to DE202020102274.1U priority patent/DE202020102274U1/de
Publication of EP3731536A1 publication Critical patent/EP3731536A1/de
Priority to US17/412,747 priority patent/US11503396B2/en
Priority to US17/964,533 priority patent/US11696061B2/en
Application granted granted Critical
Publication of EP3731536B1 publication Critical patent/EP3731536B1/de
Publication of EP3731536C0 publication Critical patent/EP3731536C0/de
Publication of EP3731536B8 publication Critical patent/EP3731536B8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones

Definitions

  • the invention relates to auricular structures in general and more specifically an attachment structure for fitting devices to the human auricle.
  • the sound emitting device also known as a hearing element
  • a housing unit comprising a hearing element is positioned inside the concha and within the tragus and anti tragus, while a funnel ducts the sound into the ear canal.
  • the funnel is provided with a gasket having flanges to dampen ambient sounds.
  • such devices use the ear canal for attachment. While the solution is compact, removes ambient sound efficiently and also allows for good audio fidelity it suffers from the disadvantage of being uncomfortable due to pressure exerted on the pressure sensitive ear canal.
  • Another solution is the "on ear” solution, wherein the hearing element is held against the ear having a concha.
  • This geometry allows for a wide hearing element to be placed flat against the concha.
  • this solution requires a separate means for holding the hearing element in position over the concha and several such means are well known in the art, such as over-head attachment, headband and over-ear attachment.
  • This solution is simple but suffers from long term discomfort due to pressure exerted on the ear by the means for holding.
  • There can also be problems with ambient sound entering the ear unless a sound absorbing cushion is used that encloses the ears fully bringing in other disadvantages such as large size.
  • a third solution is the "ear bud" solution where a housing unit comprising a hearing element is positioned inside the concha and held in place by tragus and anti tragus. In this way the housing unit also forms the means for holding the hearing element in place. While compact the disadvantage is discomfort due to pressure exerted on the tragus and anti tragus and also that it is difficult to exclude ambient sounds. If the pressure against the tragus and anti tragus is reduced the ear bud then is rather loose and can easily fall out.
  • a fourth solution is disclosed in WO/2002/045390 relating to an earpiece having a C-shape, and WO/2008/147215 relating to an improved earpiece having a curve and a curvature. Both disclose comfortable means for stable attachment to an anti helix of an ear.
  • the former discloses an open solution that allows the auditory canal to remain open to the surroundings to a certain degree, which provides better comfort than a unit that blocks or closes off the auditory canal. This provides air circulation at the expense of admitting ambient sounds.
  • in-ear speakers as disclosed in WO/2009/143055 where a hearing element is placed into the concha and facing the tragus, perpendicular to that of the on-ear solution.
  • the problem is stable positioning of the hearing element and discomfort relating to the edge of the hearing element is pressed against the inner wall of the concha when positioned in the ear.
  • US2009/285436 A1 relates to an earphone that projects sound into an ear having an acoustic meatus, a tragus, an intertragic notch, an anti-tragus and a canal.
  • the earphone includes a base that is positioned proximate an outer surface of the tragus and anti-tragus when the earphone is mounted to the ear.
  • a speaker housing at least partially contacts the acoustic meatus of the ear and includes a speaker cover positioned proximate the canal when the earphone is mounted to the ear.
  • First and second tragus lobes extend from the base generally toward the speaker housing.
  • the first and second tragus lobes are spaced from and positioned on generally opposite lateral sides of the speaker housing.
  • the anti-tragus is held between the first tragus lobe and the base when the earphone is mounted to the ear and the tragus is held between the second tragus lobe and the base when the earphone is mounted to the ear.
  • WO2010/127265 A2 relates to an earbud adapter or earbud monitor that includes an ear interface that fits the human ear and further permits the wearer of these devices to adjust parameters of the fit.
  • the ear interface portion of these devices permits the user to adjust the transmission of ambient sound.
  • the ear interface portion also allows the user to change ornamentation.
  • US 2014/286515 A1 relates generally to an apparatus for retaining an earpiece in the ear during physical movement and exercise.
  • the apparatus may include a thinned region a posterior arch and ribs to allow deformation of the earmold and facilitate securing of the earmold in the concha bowl of the ear.
  • US2018/0167713 A1 is directed to a headphone or an earpiece that includes a cushion that advantageously allows for improved comfort, sound quality, and stability in the ear.
  • the cushion includes an inner cavity, an ear-canal aperture and a tip portion, wherein the inner cavity of the cushion accommodates a nozzle portion of a housing within the cavity, and the axis of the inner cavity is substantially parallel to the first axis, wherein the ear-canal aperture opens toward the ear canal of the user's ear when the headphone or the earpiece is worn by the user, and wherein the tip portion engages the concha of the user's ear when the headphone or the earpiece is worn by the user, and the axis of the tip portion is not parallel to the first axis.
  • US 2010/0027824 A1 relates to an ear module, which can be selectively worn on either left or right ear, comprising an interior lobe, adapted to fit within the concha, comprising a speaker and a compressive member/cover assembly.
  • the compressive member/cover assembly is positionable, typically rotatable, relative to the remainder of the inner lobe between left and right ear orientations to permit the ear module to be worn on either the left or the right ear.
  • a method for improving the quality of sound emanating from an ear module includes selecting the sound bore within the ear module to help improve the frequency response of the ear module so that the ear module has a resonant peak near 2.7 kHz and a maximum 20 dB decrease in high frequency response as measured at 5 kHz from the average frequency response as measured at 500 Hz, 800 Hz, and 1600 Hz.
  • US 7 986 803 B1 relates to an ear bud earphone having an outer portion, which may be a microphone or sound input or a contact for wires or acoustic tubes, a central body portion, an ear canal main body and a tab.
  • the ear canal main body of the earphone has flexibility to conform to the ear anatomy.
  • the ear (pinna) has a helix, an anti-helix, a concha including the anatomical elements of a cymba and a cavum, and an ear canal.
  • the ear canal main body is partially inserted into the concha and ear canal opening, with the tab resting on or under the anti-helix.
  • a main objective of the present invention is to provide a simple and versatile auricular interface that is stable, secure and comfortable.
  • the present invention attains the above-described objective by a skirt structure having an outer surface that contacts least a part of an inner part of an outer boundary of a concha of a pinna, without the skirt touching the floor of the concha.
  • an auricular interface comprising a skirt, comprising an outer surface further comprising an outer surface contact area for engaging at least a part of an inner part of an outer boundary of a concha of a pinna, an inner surface opposite of the outer surface, and an outer skirt edge, and a counter pressure member for contacting parts of the pinna to counter a force caused by the skirt, wherein the skirt does not contact a floor of the pinna, when the auricular structure is inserted into an ear.
  • the outer boundary is at least one from the group comprising antihelix, tragus, antitragus, and crus of helix.
  • skirt is pleated.
  • the auricular interface further comprising a frame for attaching a housing to the auricular interface.
  • the frame comprises a frame body surrounding a central frame body opening.
  • the skirt has a concave form.
  • the skirt has a convex form.
  • skirt and frame have an unitary structure.
  • the present invention comprises a technological advantage over known systems and methods by use of a skirt attachment that does not contact the concha floor. This allows a far greater freedom of design.
  • FIG. 1A the structure of a human ear, and in particular of the outer ear, is depicted.
  • Various features of the outer ear as described herein are closely related to the various embodiments of the ear-mounted apparatus according to this disclosure.
  • outer ear 10 also known as pinna or auricle, comprises a plurality of features of significance. Outermost is helix 11, a fold of cartilage, tracing the periphery of the ear upwards and in towards the skull where it transitions into crus of helix 12. Within this is antihelix 13 which in the upward direction bifurcates into crura of antihelix 14, comprising superior crux 15 and inferior crux 16, separated by fossa triangularis 17. Below the antihelix is sulcus auriculae posterior 18 and further below that again is antitragus 22 which is opposite tragus 21, separated by incisura intertragica 23, also known as the intertragic notch. Within these again is concha 24 which comprises cymba concha 25 and cavum concha 26, separated by crus of helix 12.
  • a the part of helix near where it transitions into crus of helix forms a flap 11a that covers the anterior part of fossa triangularis and the anterior part of the upper part of the antihelix.
  • the crus of helix extends about halfway across the concha, after which it transitions into an extension of the crus of helix 12a extending as a ridge to the posterior of the concha under the antihelix.
  • the ear canal 30 Immediately within and partially covered by the tragus is the entrance to the ear canal 30. It is important to realize that this entrance is still a part of cavum concha.
  • the ear canal proper extends from the deepest part of the concha to the eardrum, a distance of about 2.5 cm and approximately 4 cm from the tragus.
  • the ear canal comprises an approximately 8 mm lateral cartilaginous part and an approximately 16 mm medial osseous part. It should also be noted that it is typically quite uncomfortable to have any foreign object in the ear canal.
  • the ear canal is partially visible from the outside and is indicated in Fig. 1A .
  • This area immediately within and partially covered by the tragus 21 does not have an official anatomical name. For the purposes of this disclosure it has been called the sub-tragus region 28.
  • the ear canal 30 is located below the sub-tragus region.
  • the bottom of the concha is seen from the side along the crus of helix 12.
  • the bottom of the concha appears as a floor of the concha cavity enclosed by the concha wall rising up from the floor to the antihelix.
  • the antihelix 13 forms a roof like structure or overhang that typically covers the wall of the concha, the antihelix having an inner part 13a that faces the floor, curving around to an outer part 13b that faces away from the floor.
  • the tragus and the antitragus comprise such inner and outer parts.
  • the wall is elastic and will expand and become wider if an outward pressure is applied.
  • the floor is above the skull bone and follows the skull bone and thus provide limited flexibility, while the wall is not constrained by the skull bone in the same way, permitting more flexibility.
  • the antihelix, tragus, antitragus and crus of helix represent an outer boundary of the concha surrounding the concha, rising above the concha floor.
  • a movable object in space can be described with 6 degrees of freedom: linear: anterior - posterior, dorsal - ventral, and left - right lateral; rotational: in the sagittal plane, in the coronal plane, and in the transverse plane.
  • axes and planes are defined with reference to the head according to anatomical terms of location.
  • linear motion is restricted relative to the ear, otherwise the device will fall out.
  • rotational motion relative to the head is restricted.
  • display unit such as VR devices or camera such stability is important for the user experience.
  • a rapid rotational movement of the head can create a force that pulls the device out of the ear.
  • sagittal plane is a modified parasagittal plane that passes through the concha and roughly intersects the antihelix cartilage.
  • the Z-axis is perpendicular to this plane.
  • audio duct means a device that carries sound
  • a nozzle is an audio duct that is seen from the outside and carries sound towards the ear canal, typically into the ear canal or the opening of the ear canal.
  • the underlying principle of the invention is the understanding that a skirt like structure positioned in a concha wherein the skirt fits along the inner surface of an outer boundary of the concha without touching the concha floor, will be pushed towards the centre of the concha in a direction substantially normal to the sagittal plane. Stability is achieved by applying a counter force by separate means for contacting parts of the pinna.
  • Fig. 2A shows an umbrella skirt structure 200 in a relaxed state. However, Fig. 2A does not illustrate an auricular structure falling within the scope of the appended claims.
  • the skirt 200 comprises an outer surface 222 comprising an outer surface contact area 224 for engaging the inner part 13a of the antihelix, an inner surface 226 opposite of the outer surface 222, and a skirt edge 210.
  • the skirt has a concave form where the outer surface of the skirt contacts the inner surface 13a of the antihelix along a contact surface 13c and thus creates a force towards the concha. This is balanced by a force in the opposite direction set up by the edge 210 of the skirt pressing against the wall of the concha. This pressure makes the concha wall expand somewhat and at the widest position provide room for contact between the edge 210 of the skirt and the concha wall. It should be noted that the contact area 32a along the wall 32 is above the concha floor 31 and thus the skirt does not contact the concha floor for stability.
  • the flexibility is that of the cartilage of the ear, typically that of the antihelix.
  • the outer ear is made of elastic cartilage that allows for the antihelix to flex in-plane making it wider, or allow the antihelix to flex out of plane whereby the antihelix overhang is pulled up or down.
  • the skirt itself can be made to flex.
  • the skirt comprises a slot defining two ends of the skirt, allowing the two ends of the skirt facing the slot to be pressed together, closing the slot, permitting the skirt to be inserted into the concha.
  • the skirt itself can be deformed so that it flares out less then in a relaxed state, again permitting the skirt to be inserted into the concha.
  • the skirt like structure is inserted into the concha.
  • the skirt expands and locks into the concha of the ear by contacting the inner surface of the antihelix without touching the concha floor.
  • the gentle residual pressure ensures the skirt is securely fitted in the Z-axis and thus finds stability in the sagittal plane. Some rotational stability is assured by friction. This can be further improved by keying features engaging anatomical features such as the intertragic notch.
  • Fig. 2B shows the skirt of Fig. 2A inserted into an ear, where the skirt 200 presses against the inner part 13a of the antihelix along a contact surface 13c.
  • Fig. 2C shows the skirt structure of Fig. 2A inserted into a smaller ear. As the figure shows the same skirt fits into the smaller ear by pressing the skirt closer together.
  • the skirt can engage the antihelix with a rim, adding rotational stability and also defining the depth to which the skirt enters the concha volume. Thus the skirt floats above the inner surface of the concha.
  • Figs. 2A, 2B, 2C , 2D, and 2E comprise skirts engaging the concha wall to provide counter pressure.
  • Figs. 2A, 2B, 2C , 2D, and 2E do not fall within the scope of the appended claims.
  • Fig. 2D shows a simple conically shaped skirt structure inserted into an ear.
  • the skirt has a conical form where the outer surface of the skirt contacts the inner surface 13a of the antihelix along a contact surface and thus creates a force towards the concha. This is balanced by a force in the opposite direction set up by the edge 210 of the skirt pressing against the wall of the concha. This pressure makes the concha wall expand somewhat and at the widest position provide room for contact between the edge 210 of the skirt and the concha wall.
  • the contact area 32a along the wall 32 is above the concha floor 31 and thus the skirt does not contact the concha floor for stability.
  • Fig. 2E shows a trumpet shaped skirt structure inserted into an ear.
  • the effect is similar to that shown in Fig. 2C with some minor differences.
  • the skirt in this embodiment has a convex form where the outer surface of the skirt contacts the inner surface of the antihelix along a contact surface and thus creates a force towards the concha.
  • This contact area is typically further away from the concha wall and is also a thinner contact area. This is balanced by a force in the opposite direction set up by the edge 210 of the skirt pressing against the wall of the concha. This pressure makes the concha wall expand somewhat and at the widest position provide room for contact between the edge of the skirt and the concha wall.
  • the contact area along the wall is above the concha floor and thus the skirt does not contact the concha floor for stability. Since the form is convex it is easier to apply a stronger force against the concha wall without being limited by the antihelix. Given sufficiently strong force the edge of the skirt will be sufficiently constrained by the concha wall expansion so that it is stable without relying on the antihelix.
  • the skirt contacts and acts on the antihelix.
  • An umbrella structure contacts the inner surface of the antihelix close to the wall of the concha and the contact areas against the wall and the antihelix are close together and can merge.
  • the antihelix is raised by the counter pressure only to a small or insignificant degree.
  • a trumpet structure contacts the inner surface of the antihelix distal from the wall of the concha and the contact areas against the wall and the antihelix are far apart and are unlikely to merge.
  • the hardness of the material of the skirt should exceed that of the concha wall. That will ensure sufficient extension of the concha wall in order to provide the counteracting force to achieve stability. Thus also a hard inflexible material will work.
  • the skirt in Figs. 2C , 2D and 2E is attached to a frame 250 having a frame body 252 surrounding a central frame body opening 254.
  • the attachment is via a frame skirt interface 256 that optionally provides flexibility by a joint or a constricted part.
  • the frame interfaces to a payload such as a housing 300 having audio equipment for music, cell phone connectivity and the like. While the frame body opening 254 is shown as being circular, it is clear that it can be more flexible in shape and also be a semi circle, elongated, rectangular and more.
  • the frame is attached to the housing 300 at the housing frame interface 306.
  • This interface is typically at the end of the housing proximal to the concha when positioned into the ear. It is also possible to have the interface 306 at a distal end of the housing, for instance for a convex embodiment of the skirt or if it is desirable that the ear unit extends as little outside the concha as possible.
  • the frame thus makes it possible to contact either end of the housing.
  • the housing is detachably attached to the frame so that customers can select the most comfortable or secure skirt to the product in the housing.
  • the frame is preferably made of a material that is strong enough to handle multiple attachments and detachments. It can be made of a hard material. A resilient material can also be used for certain types of detachable attachments.
  • Fig. 3 shows an example, which however does not fall within the scope of the appended claims, comprising a skirt and examples of a plurality of counter pressure members.
  • the inward force is created by the skirt contacting the inner surface of the antihelix.
  • the counter pressure members extends from the frame.
  • a counter balancing outward force is created by at least one counter pressure member 500.
  • the counter pressure member is preferably a part 504 extending from the frame 250 to a contact area 12b of the crus of helix.
  • the counter pressure member 504 for engaging crus of helix contact area 12b will be short and in some embodiments a region on the frame without a protrusion will be sufficient.
  • the skirt is a continuous body having an upper end 212 for fitting under a superior part of antihelix, typically under the inferior crux 16 of antihelix, and may optionally extend under a flap 11a.
  • the skirt also comprises a lower end 214 for fitting under an inferior part of antihelix, and may optionally comprise an extended lower end 216 for fitting under the antitragus or extend to under the tragus.
  • the frame is the contacting interface between the skirt and a payload such as audio equipment.
  • Figs. 6A and 6B show an ear unit having an adjustable housing for sideways audio projection.
  • Fig. 6A shows the housing in an upper position, where the lower end is retracted.
  • the housing is provided with a sliding attachment to the frame so that it can be raised and lowered, preferably also rotated. In use the housing is held in place by friction or by a locking mechanism.
  • Fig 6B shows the housing in a lower position where the lower end enters and possibly touches the concha floor.
  • the housing comprises an electroacoustic element 360 in a cavity connecting the electroacoustic element with an opening 352 provided at a side of the housing via an audio duct 354, projecting the sound more directly towards the opening of the ear canal than for the embodiments where the sound is emitted towards the concha wall.
  • the user In use the user inserts the ear unit into the ear, lowers and rotates housing until the acoustic user experience is optimal.
  • Fig. 7A shows an ear unit having a skirt 200 and a fixed nozzle 355 extending from a housing 300 comprising a hearing element 350.
  • the audio duct opening 356 of the nozzle 355 can be arranged for seating at an entrance to the ear canal and can optionally be provided with a gasket 370 and/or flanges 372 as shown in Fig. 10C , typically using an attachment ring. If at least one of the nozzle, audio duct opening, gasket and flanges make contact with parts of the concha, including the part of the concha that is the entrance to the ear canal, this part can effectively also become a counter pressure member.
  • the nozzle is adapted to make contact with the entrance of the ear canal and is therefore the counter pressuse member. This can also be freely combined with the counter pressure members discussed earlier, thus reducing the pressure or even eliminate the pressure felt by these nozzle 355 related parts.
  • Fig. 7B shows a variation of the embodiment of Fig. 7A , with an ear unit having a skirt 200 and a fixed audio duct nozzle 355 extending from a housing 300 comprising a hearing element 350.
  • the nozzle 355 can be of a fixed length determined during design and adapted for the specific use or intended eartips to be fitted to the nozzle 355 as well as how deep into the opening to the ear canal or the ear canal itself that the design is intended for. In an alternative embodiment the nozzle 355 can be user adaptable.
  • Figs. 7C, 7D, and 7E show embodiments of eartips, suited for fitting onto nozzle 355. Preferably these are detachably attached so that the user can select the nozzle that best fits the ear and purpose.
  • Fig. 7C is a nozzle that is designed to be positioned in a sub tragic region 28 immediately covered by the tragus. It provides a comfortable fit without having to touch the ear canal or the opening to the ear canal. This embodiment can provide some ambient sound into the ear and can be beneficial for mobile phone use.
  • Fig. 7D is a frustospherical eartip that provides a close fit against the opening of the ear canal, substantially eliminating ambient sound.
  • Fig. 7E is a frustosconical eartip that provides a close fit against the opening of the ear canal, reducing ambient sound.
  • Figs. 8A and 8B show an ear unit having a skirt and a nozzle 355 connected via a joint 358.
  • the joint 358 can be positioned over a hearing element opening 352 of the housing 300, connecting the hearing element opening to the nozzle 355, allowing a user to freely position the audio duct opening 356 of the audio duct.
  • the joint In Fig. 8A the joint is positioned close to the housing whereas in Fig. 8B the joint is located in a middle part of the nozzle 355.
  • This joint is a constriction in a resilient material for the nozzle 355, allowing the sound to pass through as the joint is bent.
  • the nozzle 355 can be user replaceable so that the user can select the joint that best fits the ear. Also other types of joints can be used such as ball joints.
  • the skirt can be split into a plurality of members, each engaging different parts of the antihelix. While two members will work, three members will provide better stability.
  • the collar and the slot can be split into a plurality of parts, again where two members will work and three will be more stable.
  • counter pressure members 500 that contact the cymba concha or cavum concha.
  • the nozzle 355, audio duct opening, the gasket or the flanges extending from the housing could be used as counter pressure members. It is also clear that combinations and a plurality of counter pressure members can be used, for instance to offload the pressure exerted via the nozzle 355 and related parts.
  • Fig. 4A shows a skirt structure with a collar 272 in a relaxed state with a mushroom shaped housing in the frame with a retracted hearing element.
  • the collar contacts the outer part of the antihelix 13b along an outer antihelix contact area 13d and thus provides a counteracting force to the force from the skirt.
  • Fig. 4B shows the skirt structure of Fig. 4A inserted into an ear. Summarised the antihelix 13 is gripped between the skirt 200 and the collar 272.
  • the Fig. 4A and 4B structure does not fall within the scope of the appended claims.
  • the skirt is attached to the housing via a frame.
  • the collar is also attached to the frame though variations can be envisaged.
  • the collar can be part of the housing itself, in which case the housing and collar can be made as a unitary body.
  • the collar can be made of a resilient material but will also work well using a hard material since one can rely on the skirt for resilience and a comfortable fitting.
  • the distance between the collar and the skirt can be made adjustable, for instance using a screw track in the frame or body so that the collar can be rotated to change distance. Clearly many different techniques for adjusting the distance can be envisaged.
  • the collar follows the entire antihelix but also variations are possible, ranging from the entire auricular parts surrounding the concha forming the concha outer boundary to a small finger covering a small part of the concha boundary.
  • Fig. 5A shows a skirt structure, which however does not fall within the scope of the appended claims, with a slot 280 in a relaxed state with a housing in the frame with a retracted hearing element 350 and hearing element opening 352.
  • the slot surrounds the antihelix, contacting both the inner part of the antihelix 13a along an inner antihelix contact area 13c as well as the outer part of the antihelix 13b along an outer antihelix contact area 13d and thus provides a counteracting force to the force from the skirt, thus providing stable positioning in the ear.
  • Fig. 5B shows the skirt structure of Fig. 5A inserted into an ear.
  • the skirt is part of the lower part of the slot and preferably continues to an upper part 282 of the slot, and that the slot provides a closer fit than the collar and skirt embodiment shown in Figs. 4A and 4B .
  • the technical effect is similar to the embodiment with a collar 272 in that the antihelix 13 is gripped between the surfaces of the slot.
  • the slot follows the entire antihelix but also variations are possible, ranging from the entire auricular parts surrounding the concha forming the concha outer boundary to a small finger covering a small part of the concha boundary.
  • the skirt is attached to the housing via a frame.
  • the slot is provided as an extension of the skirt.
  • the skirt and the slot is a unitary structure made of the same material. The resilience of the slot would allow for comfortable adaption of the antihelix.
  • Fig. 7F shows an embodiment with a part 400 extending downward.
  • This can be a battery compartment or an interface for a wire for applications using a wire connection to a separate device.
  • the part 400 extends downwards though the intertragic notch 23, providing further rotational stability in the sagittal plane.
  • This part 400 is suitable for use with an antenna and also microphone, preferably at the end of the part. Together it makes it possible to provide smart and wireless functionalities, and operate on the Internet without external components.
  • part 400 can extend in other directions, for instance for antenna use the antenna may extend substantially outwards.
  • Fig. 9 shows an ear unit having a skirt split into tongues 234 with incisions 232.
  • parts of the skirt can extend under the tragus without touching the antitragus.
  • the frame skirt interface 256 is flexible the tongues do not have to be flexible.
  • the incisions can separate the tongues in normal configurations, alternatively they can be cut through the skirt obliquely and thus form a pleated skirt that can be collapsed in an overlapping manner.
  • tongues make it easy to provide each tongue with varying thickness, width and depth. Also the depth of the incisions can be varied easily.
  • tongues also make it easy to customise cut outs for passing through components such as audio ducts. Such a cut out is shown in Fig. 9 .
  • skirts without tongues and incisions can be provided with varying thickness, width and depth.
  • skirt can be of one continuous sheet of material folded over and pleated in a more traditional manner.
  • pleated is used for both such an embodiment as well as the above embodiment with incisions.
  • Fig. 10A1 shows an embodiment where the skirt 200, frame 250 and housing 300 are effectively one single unitary body.
  • the purpose of the frame is to allow adaption of an expensive housing to one of several less expensive skirts. In some cases such as where the housing itself is not expensive it would be more economical to dispense with the frame and provide the skirt onto the housing in a unitary body.
  • Fig. 10A2 shows a cross section along the line A - A of the embodiment shown in Fig. 10A1 .
  • this further comprises a nozzle 355 that is also part of the unitary structure. More preferably also an eartip 370 at the end on the audio duct is also part of the unitary structure. This can have many benefits such as providing fewer parts and parts that do not accumulate moisture or dirt in the interfaces.
  • Fig. 10B shows a variation of the embodiment of Fig. 10A , with an ear unit having a skirt 200 and a fixed nozzle 355 extending from a housing 300 comprising a hearing element 350.
  • Fig. 10C shows another variation of the embodiment of Fig. 10A , with an ear unit having a skirt 200 and a fixed eartip or gasket 370 surrounding the audio duct opening 356 of the nozzle 355 extending from a housing 300 comprising a hearing element 350.
  • the gasket excludes much of the ambient sounds.
  • the nozzle 355 is provided with a flange 372 between the gasket and the housing. The flange can be combined with further flanges and/or other eartips where it is desirable to exclude ambient sounds.
  • Gaskets and nozzles can be used to close the opening to the ear canal but alternatively also the ear canal itself.
  • Fig. 11 shows an ear unit having a full circle skirt covering substantially the entire concha.
  • the skirt starts from an anterior position near the helix, follows under the entire antihelix and continues under the anti tragus, crossing the intertragic notch, and continues under the tragus. From a position under the tragus the skirt rises and reaches the crus of helix.
  • the skirt rises up in a helical manner and covers the crus of helix and continues until it covers the start of the skirt.
  • the part covering the crus of helix is effectively a form of a collar.
  • This part is preferably made of a resilient material. This embodiment practically closes the concha, also acoustically.
  • Figs. 12A and 12B show an unitary ear unit from two different angles, having a skirt with a protrusion 213 and body without a frame.
  • the upper end 212 is provided with a protrusion 213 positioned under the flap 11a, and the lower end 214 is positioned at an inferior position of the antihelix and can extend to the antitragus or the tragus.
  • Figs. 13A and 13B show an ambidextrous ear unit from two different angles, having a skirt and body without a frame. It has been found that the contact area engaged by the skirt is substantially symmetric and this makes it possible to form an ambidextrous skirt for use as an auricular interface.
  • the upper end 212 is positioned at a superior position of the antihelix and the lower end 214 is positioned at an inferior position of the antihelix and can extend to the antitragus or the tragus.
  • the ends 212, 214 are preferably tapered off to provide a comfortable fit. To make this ambidextrous the device is mirror symmetric.
  • the nozzle 355 can be provided with an extensible part such as a telescoping joint, in order to adapt for differences in how deep into the opening of the ear canal the user wishes to position the audio duct opening. This can be combined with audio duct joints 358.
  • the electroacoustic element is located in the housing, providing ample room for the acoustic system.
  • the electroacoustic element is located at the top of an arm that otherwise appears like the nozzle 355 disclosed earlier. Such an arm can beneficially also be provided with a joint and/or a telescoping joint.
  • the skirt extends radially from the frame but in alternative embodiments parts of the skirt can extend tangentially or at an angle between tangentially and radially. This can provide a part extending forward, possibly in the form of a protrusion 213, for instance for engaging part under the flap 11a. In another embodiment there is a sector cut out so that the frame fits close to the tragus while the skirt tapers off towards the tragus so as to not obstruct the parts close to the opening of the ear canal.
  • the skirt is provided with rounded geometries for improved comfort.
  • the skirt can be provided with a hinge 228.
  • This can be a mechanical hinge but is preferably a constricted area that more easily yields to bending forces than the surrounding areas.
  • Fig. 10A shows an unitary structure with a constriction hinge.
  • the hinge is located close to the to the housing.
  • the hinge is preferably located close to the frame skirt interface 256.
  • Hinges are particularly beneficial for unitary structures and also skirts provided with tongues.
  • Some ear units comprise sensors of various kinds, such as physiological parameters such as blood oxygenation and pulse, and sensors that indicate the device is inserted into an ear. It has been found that the present invention lends itself well to such measurements.
  • the skirt uses smart materials such as materials that change resistance when deformed, to detect the device is inserted into an ear. This can be used for the entire skirt or just one or more tongues. This avoids more complex solutions used today such as optical detectors that require optical windows and thus complicates the use of unitary structures.
  • the counter pressure members can be used for detectors such as physiological detectors. Since the skirt is compact and allows for a body that does not extend outside the concha the present invention is well suited for sensor systems that are worn continuously for long periods of time as well as when sleeping. The stability of the skirt permits use on non-contact sensors such as infrared sensors for measuring body temperature using the opening to the ear canal.
  • the invention according to the application finds use in auricular interfaces.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Claims (7)

  1. Aurikuläre Struktur, umfassend
    eine Schürze (200), umfassend eine Außenoberfläche (222), ferner umfassend einen Außenoberflächenkontaktbereich (224) zum Eingreifen mindestens eines Teils eines Innenteils (13a) einer äußeren Grenze einer Concha (24) einer Ohrmuschel (10), wobei die äußere Grenze mindestens eine von der Gruppe ist, umfassend Antihelix (13), Tragus (21), Antitragus (22) und Crus der Helix (12),
    eine Innenoberfläche (226) gegenüber der Außenoberfläche (222), und
    eine Außenschürzenkante (210), und
    ein Gegendruckelement zum Kontaktieren von Teilen der Ohrmuschel (10), um einer durch die Schürze verursachten Kraft entgegenzuwirken,
    wobei die aurikuläre Struktur ferner ein Gehäuse (300) umfasst, umfassend ein Hörgerät (350), wobei das Gehäuse (300) mit dem Gegendruckelement versehen ist, zum Eingreifen von mindestens Teilen der Concha, wobei das Gegendruckelement eine Düse (355) ist, die sich von dem Gehäuse (300) erstreckt und angepasst ist, um Kontakt mit einem Eingang eines Ohrkanals (30) der Concha (24) herzustellen,
    wobei die Schürze einen Boden (31) der Concha (24) nicht kontaktiert, wenn die aurikuläre Struktur in ein Ohr eingeführt wird, dadurch gekennzeichnet, dass die Schürze (200) derart geneigt ist, dass, wenn die aurikuläre Struktur in das Ohr eingeführt wird, und wie in einer Richtung von dem Gehäuse (300) zu der Außenschürzenkante (210) hin gesehen, die Schürze (200) in einer Richtung zu dem Boden (31) der Concha hin geneigt ist.
  2. Aurikuläre Struktur nach Anspruch 1, wobei die Schürze gefaltet ist.
  3. Aurikuläre Struktur nach Anspruch 1 bis 2, ferner umfassend einen Rahmen (250) zum Befestigen des Gehäuses (300) an der aurikulären Schnittstelle (100).
  4. Aurikuläre Struktur nach Anspruch 3, wobei der Rahmen (250) einen Rahmenkörper (252) umfasst, der eine zentrale Rahmenkörperöffnung (254) umgibt.
  5. Aurikuläre Struktur nach Anspruch 1, wobei die Außenoberfläche (222) der Schürze eine konkave Form aufweist.
  6. Aurikuläre Struktur nach Anspruch 1, wobei die Außenoberfläche (222) der Schürze eine konvexe Form aufweist.
  7. Aurikuläre Struktur nach Anspruch 3, wobei die Schürze und der Rahmen eine einheitliche Struktur aufweisen.
EP19170641.5A 2019-04-23 2019-04-23 Struktur der ohrmuschel mit schürtzebefestigung Active EP3731536B8 (de)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP19170641.5A EP3731536B8 (de) 2019-04-23 2019-04-23 Struktur der ohrmuschel mit schürtzebefestigung
US16/978,077 US11122353B2 (en) 2019-04-23 2019-12-30 Earpiece
JP2021559511A JP7100208B2 (ja) 2019-04-23 2019-12-30 イヤピース
EP19829247.6A EP3753261B1 (de) 2019-04-23 2019-12-30 Ohrstück mit schürzbefestigung
PCT/EP2019/087158 WO2020216463A1 (en) 2019-04-23 2019-12-30 Earpiece
KR1020207032326A KR102310442B1 (ko) 2019-04-23 2019-12-30 이어폰
EP23150942.3A EP4192030A1 (de) 2019-04-23 2019-12-30 Hörer
CN202010269102.9A CN111836150A (zh) 2019-04-23 2020-04-08 围边附件
CN202010269168.8A CN111836151B (zh) 2019-04-23 2020-04-08 耳机
CN202022848619.1U CN214338098U (zh) 2019-04-23 2020-04-08 耳状结构
CN202020504521.1U CN212231703U (zh) 2019-04-23 2020-04-08 耳状结构
CN202020499419.7U CN212064318U (zh) 2019-04-23 2020-04-08 耳机
DE202020102274.1U DE202020102274U1 (de) 2019-04-23 2020-04-23 Hörmuschel
US17/412,747 US11503396B2 (en) 2019-04-23 2021-08-26 Earpiece
US17/964,533 US11696061B2 (en) 2019-04-23 2022-10-12 Earpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19170641.5A EP3731536B8 (de) 2019-04-23 2019-04-23 Struktur der ohrmuschel mit schürtzebefestigung

Publications (4)

Publication Number Publication Date
EP3731536A1 EP3731536A1 (de) 2020-10-28
EP3731536B1 true EP3731536B1 (de) 2023-06-28
EP3731536C0 EP3731536C0 (de) 2023-06-28
EP3731536B8 EP3731536B8 (de) 2023-08-09

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US10820085B1 (en) 2019-04-23 2020-10-27 Sectio Aurea As Skirt attachment
WO2020216463A1 (en) * 2019-04-23 2020-10-29 Sectio Aurea As Earpiece
US20230414174A1 (en) * 2022-06-27 2023-12-28 Pixart Imaging Inc. Earbud with temperature sensing

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NO312989B3 (no) 2000-11-01 2007-07-04 Metafax As Anordning ved tradlos overforing mellom en mikrofon/oretelefon og en mobiltelefon, telefon, sentralbord eller lignende
NO328038B1 (no) 2007-06-01 2009-11-16 Freebit As Forbedret oreenhet
RU2469494C2 (ru) 2008-05-19 2012-12-10 Косс Корпорейшн Регулируемый вставной наушник с двумя элементами динамика
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US20100027824A1 (en) * 2007-01-05 2010-02-04 Sound Id Ear module for a personal sound system
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WO2010127265A2 (en) * 2009-04-30 2010-11-04 Verto Medical Solutions, LLC Earpiece system
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EP3731536A1 (de) 2020-10-28
EP3731536C0 (de) 2023-06-28

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