WO2021124776A1 - Dispositif auditif - Google Patents

Dispositif auditif Download PDF

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Publication number
WO2021124776A1
WO2021124776A1 PCT/JP2020/043020 JP2020043020W WO2021124776A1 WO 2021124776 A1 WO2021124776 A1 WO 2021124776A1 JP 2020043020 W JP2020043020 W JP 2020043020W WO 2021124776 A1 WO2021124776 A1 WO 2021124776A1
Authority
WO
WIPO (PCT)
Prior art keywords
accessory
vibrator
main body
listening device
auricle
Prior art date
Application number
PCT/JP2020/043020
Other languages
English (en)
Japanese (ja)
Inventor
裕司 細井
Original Assignee
株式会社ファインウェル
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 株式会社ファインウェル filed Critical 株式会社ファインウェル
Publication of WO2021124776A1 publication Critical patent/WO2021124776A1/fr

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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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • 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
    • 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
    • H04R25/02—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception adapted to be supported entirely by ear

Definitions

  • the invention disclosed in this specification relates to a listening device.
  • the invention disclosed in the present specification aims to provide an easy-to-use listening device in view of the above problems found by the inventor of the present application.
  • the listening device disclosed in the present specification is configured to sandwich or penetrate at least a part of the auricle and give vibration having voice information to the cartilage tissue surrounding the external auditory canal opening (first configuration). ing.
  • the listening device having the first configuration includes an accessory that sandwiches or penetrates at least a part of the pinna, an oscillator that is directly or indirectly supported by the accessory to generate the vibration, and the accessory directly.
  • a configuration (second configuration) may be configured in which a main body portion that is supported intentionally or indirectly to drive the vibrator is provided.
  • the accessory may have a configuration (third configuration) in which the vibrator, the main body, or both of them are supported by the back side of the auricle.
  • the accessory may have a configuration (fourth configuration) in which the vibrator is sandwiched and supported together with at least a part of the pinna.
  • the oscillator may have a shape that fits in the intertragic notch and may be connected to the main body via an electric wire (fifth configuration).
  • the electric wire may be laid on the inner surface of the accessory or inside the hollow (sixth configuration).
  • the accessory may be configured to serve as a transmission medium for the vibration (seventh configuration).
  • Anatomical chart of the ear Graph showing an example of actual measurement data showing the effect of cartilage conduction The figure which shows the 1st Embodiment (temporal side) of the listening apparatus. The figure which shows the 1st Embodiment (occipital side) of the listening apparatus The figure which shows the 2nd Embodiment (occipital side) of the listening apparatus The figure which shows the 3rd Embodiment (temporal side) of a listening device. The figure which shows the 4th Embodiment (temporal side) of a listening device. The figure which shows the 5th Embodiment (temporal side) of the listening apparatus
  • FIG. 1 is an anatomical view of the ear.
  • the inventor of the present application who is an otolaryngologist, has always used the cartilage tissue of the ear canal X2 surrounding the ear canal opening X1a, for example, the ear canal X2a or the ear canal cartilage X2b distributed behind the ear canal X2 (particularly).
  • the lighter ear beads X2a and auricular cartilage X2b can be vibrated to hear the sound.
  • the driving energy of the vibrator can be very small.
  • FIG. 2 is a graph showing an example of actual measurement data showing the effect of cartilage conduction.
  • This graph shows the inside of the ear canal 1 cm behind the ear canal entrance when the outer wall surface of the vibrating body vibrated by the cartilage conduction vibration source is brought into contact with at least a part of the ear canal around the ear canal entrance without contacting the helix. It shows the sound pressure in relation to the frequency.
  • the vertical axis of this graph is the sound pressure (dBSPL), and the horizontal axis is the frequency (Hz) on the logarithmic scale.
  • dBSPL sound pressure
  • Hz frequency
  • a non-contact state generated from the outer wall surface of the vibrating body.
  • the sound pressure (when only the air conduction sound can be heard) is shown by the solid line, the sound pressure at a contact pressure of 10 weight grams is shown by a broken line, the sound pressure at a contact pressure of 250 weight grams is shown by a single point chain line, and the external auditory canal is closed by further increase in contact pressure.
  • the sound pressure in the state contact pressure of 500 weight grams
  • the sound pressure increases from the non-contact state by contact with a contact pressure of 10 kilograms, further increases by an increase in contact pressure to 250 kilograms, and the contact pressure is further increased from this state to 500 kilograms. As a result, the sound pressure is further increased.
  • the required sound pressure can be obtained by transmitting the vibration of the cartilage conduction vibration source to the ear cartilage by contact without a mechanism for generating air conduction sound (for example, a diaphragm of a normal earphone).
  • a mechanism for generating air conduction sound for example, a diaphragm of a normal earphone.
  • the vibrating body since the vibrating body is brought into contact with the ear cartilage around the entrance of the ear canal, the sound from the vibrator can be heard at the same time as the sound from the vibrator without blocking the ear canal while the ear canal is open. It can be seen that comfortable wearing without a feeling of blockage is possible.
  • the ear canal is closed by bringing the outer wall surface of the vibrating body into stronger contact with at least a part of the ear cartilage (in the actual measurement in this figure, the outer wall surface of the vibrating body is pressed from the outside of the tragus).
  • the sound pressure in the ear canal 1 cm behind the entrance of the ear canal is in the main frequency band (300 Hz to 1800 Hz) of the sound compared to the non-contact state. It can be seen that there is an increase of at least 20 dB. This shows a large sound pressure enhancing effect due to the addition of the ear canal closing effect (see comparing the non-contact state shown by the solid line and the state in which the ear canal is closed shown by the alternate long and short dash line).
  • the measurements in this graph are all in a state where the output of the cartilage conduction vibration source is not changed.
  • the measurement in this graph is a state in which the outer wall surface of the vibrating body is in contact with at least a part of the ear cartilage around the entrance of the ear canal without contacting the helix. I'm going at.
  • the measurement in the state where the ear canal is closed in this graph is performed by creating a state in which the tragus is folded back to close the ear canal by pressing the tragus more strongly from the outside as described above. ..
  • this graph is just an example, and there are individual differences if you look closely. Further, in this graph, in order to simplify and standardize the phenomenon, the measurement is performed in a state where the outer wall surface of the vibrating body is brought into contact with a small area only on the outside of the tragus.
  • the increase in sound pressure due to contact also depends on the contact area with the ear cartilage, and when the outer wall surface of the vibrating body is brought into contact with the ear cartilage around the ear canal entrance without contact with the ear canal, the area around the ear canal entrance Contact with a wider area of the ear cartilage further increases the increase in sound pressure.
  • the numerical values shown in this graph have generality indicating a configuration utilizing cartilage conduction, and are reproducible by an unspecified number of subjects.
  • ⁇ Listening device (first embodiment)> 3 and 4 are both views showing a first embodiment (temporal side and occipital side) of the listening device.
  • the listening device 100 of the present embodiment is used, for example, as a headphone for a smartphone or a portable music player, or as a hearing aid or a sound collector, and has an accessory 110, a vibrator 120, and a main body 130. ..
  • the accessory 110 is an open ring (C-shaped) accessory called an "ear cuff" in Japan, and is worn so as to sandwich at least a part of the pinna X2 (for example, an ear ring or a pair of rings). As long as the accessory 110 does not fall off the auricle X2 while directly or indirectly supporting the vibrator 120 and the main body 130, its shape or structure, or its design (decoration) and its presence or absence are irrelevant. .. Further, the number, size, material, and attachment position of the accessory 110 to the auricle X2 are also arbitrary.
  • the accessory 110 may be a dedicated product of the listening device 100, or may be a wide variety of ready-made products on the market. When an off-the-shelf product is used as the accessory 110, an attachment for attaching the vibrator 120 or the main body 130 to the accessory 110 may be prepared.
  • a piezoelectric element, an electromagnetic vibration element, or the like can be preferably used as the vibrator 120.
  • the oscillator 120 may be built in the main body 130 or may be separated from the main body 130.
  • the shape, structure, number, size, and mounting position of the vibrator 120 on the accessory 110 or the main body 130 are also arbitrary.
  • the main body 130 includes an audio signal receiving unit 131, a driving unit 132, and a power supply unit 133 as various electric circuits necessary for driving the vibrator 120.
  • the vibrator 120 is built in the main body 130, the entire main body 130 vibrates and vibration V is given to the auricular cartilage X2b.
  • the shape, structure, size, and mounting position of the main body 130 on the accessory 110 are arbitrary.
  • the audio signal receiving unit 131 wirelessly (or wiredly) receives the audio signal S generated by the external sound source 200 (for example, a smartphone or a portable music player) and outputs the received signal S1.
  • the external sound source 200 for example, a smartphone or a portable music player
  • an internal sound source 134 that generates the audio signal S by itself and outputs the audio signal S to the driving unit 132 instead of the received signal S1 may be built in.
  • the drive unit 132 performs predetermined signal processing (amplification processing, waveform shaping processing, etc.) on the received signal S1 to generate a drive signal S2, and drives the vibrator 120 using this.
  • predetermined signal processing amplification processing, waveform shaping processing, etc.
  • the power supply unit 133 is a means for supplying electric power to each unit of the main body unit 130, and a button-type primary battery or a secondary battery can be preferably used.
  • the ear cuff type listening device 100 that sandwiches at least a part of the auricle X2 and gives vibration V having voice information to the cartilage tissue surrounding the external auditory canal opening X1a has the above-mentioned cartilage conduction. You can enjoy all the actions and effects.
  • the listening device 100 of the present embodiment is difficult to fall off from the auricle X2, stable listening can be realized even in a non-resting state of the user (exercise state such as walking, jogging, running, swimming, exercising, etc.). Is possible.
  • the external sound source 200 or the internal sound source 134 may be a microphone that collects ambient sounds.
  • the sound collected by the microphone is amplified and processed to drive the vibrator 120, so that the user with reduced hearing can hear a clear sound. it can.
  • it is easier to collect the voice of the other party if the microphone is located on the front side (front) rather than on the back side of the pinna, so the microphone is attached to the front of the accessory 110. Is also convenient.
  • FIG. 5 is a diagram showing a second embodiment (occipital side) of the listening device 100.
  • the listening device 100 of the present embodiment is based on the first embodiment (FIGS. 3 and 4) described above, but the support structure of the main body 130 (and the vibrator 120 built therein) is changed. Has been added.
  • the accessory 110 sandwiches and supports the main body 130 together with at least a part of the auricle X2. That is, unlike the first embodiment (FIG. 4) described above, the main body 130 is attached to the inner surface of the accessory 110. Therefore, when the accessory 110 is attached to the auricle X2, the main body 130 is inevitably pressed against the auricle X2 (or the auricle cartilage X2b).
  • the efficiency of transmitting the vibration V to the auricle X2 (or the auricle cartilage X2b) is increased, and the sound pressure in the ear canal X1 is increased, so that the driving energy of the vibrator 120 does not need to be increased unnecessarily.
  • the oscillator 120 When the oscillator 120 is separated from the main body 130, the oscillator 120 may be attached to the inner surface of the accessory 110 and the main body 130 may be attached to the outer surface of the accessory 110. With such a configuration, only the oscillator 120, which is smaller than the main body 130, is sandwiched between the accessory 110 and the auricle X2, so that the oscillator 120 is made stronger than the auricle X2 (or the auricle X2). It can be pressed against the auricular cartilage X2b).
  • the accessory 110 since the main body 130 does not intervene between the accessory 110 and the auricle X2, the accessory 110 is more difficult to fall off from the auricle X2, and the user's discomfort (feeling of inserting a foreign object) is reduced. You can also.
  • FIG. 6 is a diagram showing a third embodiment (temporal side) of the listening device 100.
  • the listening device 100 of the present embodiment is based on the first embodiment (FIG. 3) or the second embodiment (FIG. 4) described above, and the oscillator 120 separated from the main body 130 is paired with the tragus X2a.
  • the oscillator 120 separated from the main body 130 is paired with the tragus X2a.
  • the oscillator 120 is formed into a shape and size that fits in the intertragic notch X2d.
  • the oscillator 120 be formed into a spherical shape, a long spherical shape or an eccentric sphere, a hemispherical shape, a semi-long sphere or a semi-oblique sphere, or a chamfered cylindrical shape.
  • the electric wire 140 may be laid by hiding at least a part of it inside the inner side surface or the hollow inside of the accessory 110. By performing such laying, the electric wire 140 can be made inconspicuous. On the other hand, the electric wire 140 may be exposed as a part of the design. In this case, the electric wire 140 may be decorated or colored.
  • FIG. 7 is a diagram showing a fourth embodiment (temporal side) of the listening device 100.
  • the listening device 100 of the present embodiment is based on the third embodiment (FIG. 5) described above, and the accessories 110 and the main body 130 are modified.
  • the accessory 110 is an accessory called "piercing" in Japan, and is worn so as to penetrate at least a part of the pinna X2 (earlobe in this figure) with a needle.
  • the accessory 110 does not fall off the auricle X2 while directly or indirectly supporting the vibrator 120 and the main body 130, its shape or structure, or its design (decoration) and its presence or absence are irrelevant. ..
  • the number, size, material, and attachment position of the accessory 110 to the auricle X2 are also arbitrary.
  • the accessory 110 may be a dedicated product of the listening device 100, or may be a wide variety of ready-made products on the market. When an off-the-shelf product is used as the accessory 110, an attachment for attaching the vibrator 120 or the main body 130 to the accessory 110 may be prepared. These points are the same as when the accessory 110 is an "ear cuff".
  • the oscillator 120 has a shape and size that fits in the intertragic notch X2d, and is connected to the main body 130 via the electric wire 140, as in the third embodiment (FIG. 6) described above.
  • the main body 130 is a driving body of the vibrator 120, and includes the above-mentioned audio signal receiving unit 131, driving unit 132, power supply unit 133, and the like.
  • an elongated columnar main body 130 is suspended on the accessory 110.
  • the shape of the main body 130 and the like are not limited to this.
  • the main body 130 may be incorporated into the accessory 110 itself.
  • an accessory called "earring” in Japan can be used as the accessory 110.
  • FIG. 8 is a diagram showing a fifth embodiment (temporal side) of the listening device 100.
  • the listening device 100 of the present embodiment is based on the first to fourth embodiments (FIGS. 3 to 7) described above, and is characterized in that the accessory 110 itself serves as a transmission medium for vibration V.
  • the accessory 110 is an accessory called "piercing" in Japan, as in the fourth embodiment (FIG. 7) described above, and penetrates at least a part of the pinna X2 (tragus X2a in this figure) with a needle 111. It is installed like this.
  • the accessory 110 includes the vibrator 120 and the main body 130.
  • the main body 130 is the main part (decorative part) of the accessory 110, and the needle 111 is derived from the main body 130. Further, the oscillator 120 is built in the main body 130.
  • the vibration V generated by the vibrator 120 is not only transmitted from the main body 130 to the surface of the tragus X2a, but also through the needle 111 penetrating the tragus X2a. It is also transmitted to the inside of the tragus X2a.
  • the accessory 110 itself particularly the needle 111 penetrating the tragus X2a serves as a transmission medium for the vibration V, extremely good cartilage conduction can be obtained.
  • the needle 111 penetrates the tragus X2a, but the mounting position of the accessory 110 is not limited to this, and the desired cartilage conduction can be obtained. As long as it is any part of the auricle X2, it may be used.
  • the accessory 110 may be an accessory 110 that holds at least a part of the pinna X2 (including the above-mentioned "ear cuff").
  • the vibration V can be transmitted to the tragus X2a via the clip.
  • the higher the pinching force of the clip the better cartilage conduction can be obtained, but it is desirable to adjust the pinching force to the extent that the user does not feel pain.
  • the invention disclosed in the present specification can be used, for example, for headphones such as smartphones and portable music players, or for hearing aids or sound collectors.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Headphones And Earphones (AREA)

Abstract

Ce dispositif auditif permet, par exemple, de saisir ou de percer au moins une partie de l'oreillette, puis de transmettre des vibrations comprenant des informations audio au tissu cartilagineux entourant la périphérie de l'ouverture du conduit auditif externe. Le dispositif auditif peut comprendre : une partie ornementale qui saisit ou perce au moins une partie de l'oreillette ; un vibreur qui génère des vibrations et qui est supporté directement ou indirectement par la partie ornementale ; et une partie de corps principal qui entraîne le vibreur et qui est supportée directement ou indirectement par la partie ornementale. La partie ornementale peut supporter le vibreur et/ou la section de corps principal sur la face arrière de l'oreillette. La partie ornementale peut supporter le vibreur en le saisissant conjointement avec au moins une partie de l'oreillette. Le vibreur peut avoir une forme qui s'ajuste dans l'échancrure de la conque, et être relié à la section de corps principal par un fil électrique. Le fil électrique peut être installé sur la surface interne de la partie ornementale ou dans la partie intérieure creuse de celle-ci. La partie ornementale peut être le milieu de transmission des vibrations.
PCT/JP2020/043020 2019-12-17 2020-11-18 Dispositif auditif WO2021124776A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-227195 2019-12-17
JP2019227195A JP2021097318A (ja) 2019-12-17 2019-12-17 聴取装置

Publications (1)

Publication Number Publication Date
WO2021124776A1 true WO2021124776A1 (fr) 2021-06-24

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PCT/JP2020/043020 WO2021124776A1 (fr) 2019-12-17 2020-11-18 Dispositif auditif

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JP (1) JP2021097318A (fr)
TW (1) TW202127913A (fr)
WO (1) WO2021124776A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004229179A (ja) * 2003-01-27 2004-08-12 Rion Co Ltd 補聴器
WO2006080517A1 (fr) * 2005-01-31 2006-08-03 Akita Electronics Systems Co. Ltd. Ensemble de haut-parleurs a conduction osseuse, appareil electronique, systeme de traduction electronique, systeme de sensation auditive, appareil de navigation et telephone portable
JP2016063276A (ja) * 2014-09-13 2016-04-25 リオン株式会社 軟骨伝導補聴器、軟骨伝導スピーカカバー及び軟骨伝導スピーカ
JP3222399U (ja) * 2019-03-05 2019-08-01 則子 木本 補聴器イヤホン落下防止耳飾り接続具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004229179A (ja) * 2003-01-27 2004-08-12 Rion Co Ltd 補聴器
WO2006080517A1 (fr) * 2005-01-31 2006-08-03 Akita Electronics Systems Co. Ltd. Ensemble de haut-parleurs a conduction osseuse, appareil electronique, systeme de traduction electronique, systeme de sensation auditive, appareil de navigation et telephone portable
JP2016063276A (ja) * 2014-09-13 2016-04-25 リオン株式会社 軟骨伝導補聴器、軟骨伝導スピーカカバー及び軟骨伝導スピーカ
JP3222399U (ja) * 2019-03-05 2019-08-01 則子 木本 補聴器イヤホン落下防止耳飾り接続具

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Publication number Publication date
TW202127913A (zh) 2021-07-16
JP2021097318A (ja) 2021-06-24

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