WO2022024162A1 - Écouteur - Google Patents

Écouteur Download PDF

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Publication number
WO2022024162A1
WO2022024162A1 PCT/JP2020/028608 JP2020028608W WO2022024162A1 WO 2022024162 A1 WO2022024162 A1 WO 2022024162A1 JP 2020028608 W JP2020028608 W JP 2020028608W WO 2022024162 A1 WO2022024162 A1 WO 2022024162A1
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WO
WIPO (PCT)
Prior art keywords
earphone
sound conduit
microphone
base end
speaker
Prior art date
Application number
PCT/JP2020/028608
Other languages
English (en)
Japanese (ja)
Inventor
明彦 保坂
Original Assignee
株式会社メイ
明彦 保坂
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 株式会社メイ, 明彦 保坂 filed Critical 株式会社メイ
Priority to PCT/JP2020/028608 priority Critical patent/WO2022024162A1/fr
Priority to CN202080099635.5A priority patent/CN115606195A/zh
Priority to JP2022539786A priority patent/JP7361428B2/ja
Publication of WO2022024162A1 publication Critical patent/WO2022024162A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/251—Means for maintaining electrode contact with the body
    • A61B5/256—Wearable electrodes, e.g. having straps or bands
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/332—Portable devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • A61B7/04—Electric stethoscopes
    • 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 present invention relates to earphones, particularly wireless earphones that acquire biological signals.
  • the oscillometric method has been known as a method for measuring blood pressure.
  • a cuff is wrapped around the upper arm or wrist to compress the blood vessels, stop the blood flow (blood flow), and then relax the cuff pressure to reduce the pressure, which is synchronized with the heartbeat. Blood pressure is measured based on the cuff pressure that reflects the vibration of the blood vessel wall.
  • an insertion portion to be attached to the outer ear of the subject and a sensor arranged in the insertion portion to detect the biometric data of the subject are provided, and the insertion portion is the subject.
  • a biometric data measuring device characterized in that it is formed into a shape along the shape of the ear canal cavity and the shape of the ear canal (outer ear canal) of the subject based on the three-dimensional data of the outer ear shape of the examiner. ing.
  • this biological data measuring device needs to be formed into a shape that follows the shape of the ear canal cavity and the shape of the ear canal of the subject based on the three-dimensional data of the outer ear shape of the subject, the subject is examined. It is necessary to measure and shape the outer ear shape of the subject for each person, which is complicated.
  • the present invention is an earphone that can be stably worn on the ear and continuously acquire a biological signal even when exercising or being worn for a long period of time, and also obtains a biological signal. It is an object of the present invention to provide each wearer (examinee) without going through a complicated molding process of measuring and molding the ear canal cavity and the outer ear shape of the wearer.
  • the earphone according to the present invention is A sound conduit that extends in the uniaxial direction, A speaker that outputs sound in the uniaxial direction arranged on the base end side of the sound conduit, A microphone that senses vibrations placed on the back side of the speaker with respect to the sound conduit and separated from the speaker.
  • a wireless communication board arranged on the back side of the microphone with respect to the sound conduit, With respect to the front portion having an inclined surface connected to the base end of the sound conduit and inclined with respect to the uniaxial direction and an annular base end portion extending in the direction orthogonal to the uniaxial direction to accommodate the speaker, and the sound conduit.
  • a housing having a connecting portion for accommodating and supporting a microphone connected to the back side of the front portion and accommodating the microphone, and a rear portion connecting to the back side of the connecting portion with respect to the sound conduit and accommodating a wireless communication board. It is characterized by that.
  • the earphones even when the earphones are worn for exercise or for a long period of time, they can be stably worn on the ears to continuously acquire biological signals. Earphones that acquire biological signals can be provided without going through a complicated molding process.
  • the earphone according to the present invention is characterized in that it is arranged around the speaker and further includes a plurality of electrodes housed in the base end portion of the front portion.
  • biological signals can be acquired as electrical signals.
  • the earphone according to the present invention is further provided with a ring body that is detachably fitted to the outside of the base end portion.
  • earphones even when the earphones are worn for exercise or for a long period of time, they can be reliably and stably worn on the ears to continuously acquire biological signals.
  • earphones that acquire biological signals can be easily provided without going through a complicated molding process.
  • the earphone according to the present invention is further provided with a ring body that is detachably fitted to the outside of the base end portion, and the ring body has the above-mentioned plurality of electrodes on the inner surface.
  • biological signals can be reliably acquired as electrical signals.
  • the ring body of the earphone according to the present invention is characterized by having a ring protrusion portion that protrudes outward in a convex shape.
  • the earphone can be provided for each wearer without going through a complicated molding process of measuring and molding the shape of the outer ear of the wearer, and also improves the fit when the earphone is worn. At the same time, it can be securely worn on the ear.
  • the ring body of the earphone according to the present invention is characterized by being an elastic body.
  • the fit when wearing earphones can be further improved, and the earphones can be securely and stably worn.
  • the ring body of the earphone according to the present invention is characterized by being divided by an insulating insulating portion and having a plurality of conductive conductive portions connected to each of a plurality of front electrodes.
  • the biological signal of the subject can be acquired more reliably.
  • One of the conductive portions of the ring body of the earphone according to the present invention is characterized by having an arc-shaped portion protruding in an arc shape.
  • the arc-shaped part when wearing the earphone, can be attached to the tragus and can be stably attached.
  • Another of the conductive portions of the ring body of the earphone according to the present invention is characterized by having an extending portion extending from the conductive portion. It was
  • the inclined surface of the earphone of the present invention is characterized in that it is inclined at an angle of 25 to 35 degrees with respect to the orthogonal direction and is formed in a concave shape.
  • the inclined surface comes into contact with the inner surface of the ear canal cavity, and the earphone can be stably attached.
  • the front portion of the earphone according to the present invention has a shape eccentric to one side in the direction orthogonal to the uniaxial direction from the base end of the sound conduit when viewed from one side in the uniaxial direction to the other side.
  • the rear portion is characterized by having a shape in which the direction orthogonal to the uniaxial direction is the major axis direction when viewed from one side in the uniaxial direction to the other side.
  • the speaker since the speaker is housed in the bulging front part, the speaker can be enlarged and pointed in the same direction as the sound conduit, and the sound quality is good.
  • the rear portion of the earphone according to the present invention wirelessly communicates with the microphone board to supply power to the speaker, the microphone, the microphone board arranged on the back side of the microphone with respect to the sound conduit, and the wireless communication board. It is characterized by being housed between the substrate and the substrate.
  • a microphone for acquiring a biological signal and a wireless communication board (which may include a power supply) for receiving an audio signal by wireless communication can also be accommodated in the rear portion.
  • the rear portion of the earphone according to the present invention is characterized by having an operation screen on the back side with respect to the sound conduit.
  • a large operation screen can be provided on the back of the rear part.
  • the earphone according to the present invention can be stably worn on the ear and continuously acquire a biological signal even when exercising or being worn for a long period of time, and can acquire a biological signal. It is possible to provide the earphones to be used without going through a complicated molding process of measuring and molding the shape of the outer ear of the subject for each subject.
  • FIG. 1 is an external view of an earphone according to the first embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the earphone according to the first embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view of the front portion of the earphone according to the first embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional view of the earphone according to the second embodiment of the present invention.
  • FIG. 5 is a schematic cross-sectional view of the front portion of the earphone according to the second embodiment of the present invention.
  • FIG. 6 is a schematic view of a state in which the earphone according to the embodiment of the present invention is worn on the ear as viewed from the outside.
  • FIG. 7 is a schematic cross-sectional view of a cross section including an external ear hole in a state where the earphone according to the embodiment of the present invention is attached to the ear.
  • FIG. 1 shows an external view of the earphone 1 according to the embodiment of the present invention.
  • (A) is a plan view
  • (B) is a left side view
  • (C) is a front view
  • (D) is a right side view.
  • FIG. 2 is a schematic cross-sectional view taken along the line AA of FIG. 1A showing the internal configuration of the earphone 1.
  • the axial direction of the sound conduit 3 perpendicular to the proximal end portion 23 is the Z-axis direction
  • the directions perpendicular to the Z-axis in the plane constituting the proximal end portion 23 are the X-axis and Y-axis directions.
  • the earphone 1 is for the left ear and includes a sound conduit 3, a housing 2, a speaker 41, a microphone 42, and a wireless communication board 54.
  • the earphone 1 for the right ear has a shape symmetrical with respect to the earphone 1 for the left ear in the X-axis direction.
  • the sound conduit 3 is a tubular member that transmits the sound output from the speaker 41.
  • the sound conduit 3 is formed into a cylindrical shape using, for example, a thermoplastic resin.
  • the inner radius of the hollow portion is, for example, 3 mm or more.
  • An earpiece (not shown) molded from silicon rubber or the like may be provided at the tip of the sound conduit 3.
  • the housing 2 is a housing that houses the speaker 41, the microphone 42, the microphone board 43, the power supply 51, the main board 52, and the wireless communication board 54, and has a front portion 21, a connecting portion 26, and a rear portion 28.
  • the front portion 21 is connected to the rear portion 28 via the connecting portion 26. Further, the front portion 21, the connecting portion 26, and the rear portion 28 can be integrally molded including the sound conduit 3 from the same material as the sound conduit 3.
  • the front portion 21 is a portion that supports the base end of the sound conduit 3 and accommodates the speaker 41.
  • the front portion 21 has an inclined surface 22 that is inclined with respect to the Z-axis direction (or the X-axis direction orthogonal to the Z-axis direction) on the outer surface, and bulges from the base end of the sound conduit 3 to the ⁇ X side through the inclined surface 22.
  • it has an annular base end portion 23 that is formed into an eccentric frustum shape that slightly swells and develops in the XY plane.
  • the speaker 41 can be accommodated in the front portion 21 in the vicinity of the sound conduit 3, and the front portion 21 can be accommodated in the tragus cavity 72 without interfering with the tragus 71.
  • the sound conduit 3 is inclined at an angle ⁇ of, for example, 25 to 35 degrees, preferably about 30 degrees with respect to the Z-axis direction, and the inclined surface 22 is inclined with respect to the X-axis direction, for example, 25 to 35 degrees, preferably about 30 degrees. It is inclined at an angle ⁇ of about 30 degrees and is formed in a concave shape.
  • the speaker 41 is a device that outputs sound. Since the front portion 21 bulges from the base end of the sound conduit 3 to the X side, it can be a large speaker 41.
  • the speaker 41 is centered on the speaker 41 (that is, the diaphragm) by vibrating a diaphragm oriented in the uniaxial direction (here, the Z-axis direction) according to an electric signal input from the outside by a voice coil, a piezoelectric element, or the like. Sound is emitted along the central axis parallel to the Z axis passing through (see FIG. 7).
  • the speaker 41 is housed in the front portion 21 on the base end side of the sound conduit 3 with a deviation toward the X side with respect to the sound conduit 3 in the Z-axis direction, and the housing 2 is securely attached to the tragus. It can be attached to the 71 and the boat-shaped fossa 73.
  • the air hole 29 is provided on the side of the sound conduit 3 rather than the speaker 41 of the housing 2 (or the sound conduit 3).
  • a space closed by the housing 2, the sound conduit 3, the external ear canal 74 and the eardrum is formed.
  • the air pressure in this space may be higher than the outside air pressure. In that case, the characteristics of the sound transmitted in this space may change. This is to prevent such a change in characteristics.
  • the air holes 29 are provided on the inclined surface 22.
  • FIG. 3 is a schematic cross-sectional view taken along the line BB of FIG. 1 (C) of the front portion 21 showing the ring body 24 fitted to the base end portion 23.
  • An annular ring body 24 made of an elastic body is detachably fitted to the outer periphery of the base end portion 23 to improve the fit when the earphone 1 is attached and to be stably attached to the ear 7. It is supposed to be.
  • FIG. 3A shows a ring protrusion 25 having an outwardly convex protrusion on a portion of about 1/4 of the circumference of the ring body 24.
  • the earphone 1 By fitting the ring bodies 24 having different protrusion heights of the ring protrusions 25 to the base end portion 23 according to the shape (size) of the ear 7 of the wearer of the earphone 1, the earphone 1 can be stabilized. It is possible to install it.
  • the ring body 24 When the ring body 24 is attached to the small ear 7, the ring body 24 having no ring protrusion 25 may be fitted to the base end portion 23.
  • FIG. 3B shows an arc-shaped portion 64 having an arc-shaped protrusion on the portion of the ring body 24 in contact with the tragus 71.
  • the connecting portion 26 connects the front portion 21 and the rear portion 28, and accommodates and supports the microphone 42.
  • the microphone 42 is arranged apart from the speaker 41 so as not to pick up the vibration of the speaker 41.
  • the microphone 42 senses the vibration of the carotid artery wall synchronized with the heartbeat as a pulse wave sound, and the vibration transmitted from the peripheral part of the ear 7, particularly the ear bead 71, as a pulse wave sound, and converts the pulse wave sound into an electric signal to the microphone 42. It transmits to the microphone board 43 arranged on the back side of the above.
  • the microphone 42 is not limited to the connecting portion 26 as long as it can reliably sense the pulse wave sound, and may be accommodated and supported by, for example, the rear portion 28.
  • the rear portion 28 is a portion on the ⁇ Z side of the connecting portion 26 that accommodates the microphone board 43, the power supply 51, the main board 52, and the wireless communication board 54.
  • the rear portion 28 has a circular upper end (Y-axis direction) with the Y-axis direction as the major axis direction when viewed from one side in the uniaxial direction (Z-axis direction) to the other side (from the sound conduit 3 side to the rear portion 28). It has a substantially rectangular shape.
  • the front portion 21 is positioned about 1/4 downward (in the ⁇ Y axis direction) from the upper end of the rear portion 28 via the connecting portion 26, and is ⁇ X from the center line in the major axis direction of the rear portion 28.
  • the rear portion 28 exposes and supports an operation screen (not shown) such as a touch panel or an operation switch (not shown) on the back surface side with respect to the sound conduit 3, that is, the ⁇ Z surface. Thereby, a large operation screen (not shown) can be provided in the housing 2.
  • an operation screen such as a touch panel or an operation switch (not shown) on the back surface side with respect to the sound conduit 3, that is, the ⁇ Z surface.
  • the microphone 42 is a device that inputs a pulse wave as an acoustic signal.
  • the microphone 42 receives the vibration of the carotid artery wall synchronized with the heartbeat by a pressure sensitive element, a piezoelectric element, or the like as a pulse wave transmitted from the ear bead 71 via the ring body 24, the front portion 21, and the connecting portion 26. Then, after converting it into an electric signal, it is output as an electric signal to the outside via the microphone board 43.
  • an optical heart rate sensor or a sensor such as a thermometer may be arranged on the connecting portion 26 or the front portion 21 to measure the core body temperature and the oxygen saturation.
  • the microphone board 43 is a board provided with a control circuit that converts biological signals acquired by the microphone 42, electrodes 61, and each sensor into electrical signals and transmits them to the wireless communication board 54.
  • the power supply 51 is a power supply 51 that supplies power to the speaker 41, the microphone 42, the microphone board 43, the main board 52, and the wireless communication board 54.
  • the power supply 51 is arranged between the microphone board 43 and the main board 52 in the housing 2, and is housed in the rear portion 28.
  • the power supply 51 may be housed in the front part 21 or the connecting part 26, or may be housed in the front part 21, the connecting part 26, and the rear part 28. Thereby, a large power supply 51 can be provided in the space between the speaker 41 and the main board 52, and the biological signal sensor such as the speaker 41 and the microphone 42 can be used for a long time.
  • the main board 52 is a board provided with a control circuit for controlling the speaker 41, the microphone 42, the microphone board 43, the wireless communication board 54, and the power supply 51 housed in the housing 2.
  • the wireless communication board 54 relates to a biological signal transmitted from the microphone board 43, which receives a voice signal from an external device (not shown) by wireless communication such as Bluetooth (registered trademark) to drive the speaker 41. It is a board provided with a control circuit that transmits information to an external device (not shown) by wireless communication.
  • the wireless communication board 54 is arranged on the back side of the speaker 41 and the power supply 51 with respect to the sound conduit 3, and is housed in the rear portion 28.
  • the wireless communication board 54 supplies power to the operation screen (not shown) by non-contact power supply, and controls biological signal sensors such as the speaker 41 and the microphone 42 by an operation input by the user via the operation screen (not shown). ..
  • the power supply to the power supply 51 is not limited to the non-contact power supply, and may be, for example, a wired power supply via a USB connector (not shown) provided on the rear portion 28.
  • the earphone 1 according to the second embodiment of the present invention will be described. It should be noted that only the parts different from the first embodiment and the second embodiment of the present invention will be described, and the same points as those of the first embodiment will be omitted.
  • FIG. 4 is a schematic cross-sectional view taken along the line AA of FIG. 1A showing the internal configuration of the earphone 1 according to the second embodiment of the present invention.
  • the earphone 1 is for the left ear and includes a sound conduit 3, a housing 2, a speaker 41, a microphone 42, an electrode 61, and a wireless communication board 54.
  • the earphone 1 for the right ear has a shape symmetrical with respect to the earphone 1 for the left ear in the X-axis direction.
  • the housing 2 is a housing that houses a speaker 41, a microphone 42, a microphone board 43, a power supply 51, a main board 52, an electroencephalogram analysis chip 53, a wireless communication board 54, and an electrode 61. It has a 26 and a rear portion 28. The front portion 21 is connected to the rear portion 28 via the connecting portion 26.
  • the front portion 21 is a portion that supports the base end of the sound conduit 3 and accommodates the speaker 41.
  • the front portion 21 has an inclined surface 22 that is inclined with respect to the Z-axis direction (or the X-axis direction orthogonal to the Z-axis direction) on the outer surface, and bulges from the base end of the sound conduit 3 to the ⁇ X side through the inclined surface 22.
  • it has an annular base end portion 23 that is formed into an eccentric frustum shape that slightly swells and develops in the XY plane.
  • FIG. 5 is a schematic cross-sectional view taken along the line BB of FIG. 1 (C) of the front portion 21 showing the ring body 24 removably fitted to the base end portion 23 of the earphone 1 according to the second embodiment. ..
  • a plurality of electrodes 61 for acquiring biological signals are arranged around the speaker 41 in the base end portion 23.
  • FIG. 5 shows a state in which three electrodes 61 are arranged as an example.
  • the first electrode 611 is placed at the position where the base end portion 23 is in contact with the tragus 71, and the second electrode 612 as a ground is placed at the position where the base end portion 23 is in contact with the skin on the boat-shaped fossa 73 side.
  • the pulse wave is acquired from 71 as an electric signal.
  • a third electrode 613 for acquiring a biological signal related to an electroencephalogram is arranged above the base end portion 23 (in the Y-axis direction).
  • a pair of electrodes 61 (first and second electrodes 611,612, or third and second electrodes 613,612) is sufficient.
  • annular ring body 24 is detachably fitted to the base end portion 23.
  • the ring body 24 is made of a conductive elastic body, is divided into a plurality of conductive portions 62 by an insulating insulating portion 63, and each conductive portion 62 transmits a biological signal acquired as an electric signal to a corresponding electrode 61. do.
  • the ring body 24 is conductive, it can come into contact with a wide range of skin around the ear 7 and acquire a biological signal as an electric signal more reliably.
  • extension portion 65 may have an extension portion 65 that extends upward (in the Y-axis direction) of the ring body 24 and has its tip attached to the forehead to acquire brain waves.
  • the extension portion 65 may be formed integrally with the ring body 24, or may be formed by the extension portion 65 alone separately from the ring body 24, and the ring body 24 and the extension portion 65 are connected via a connector (not shown). May be connected.
  • the ring body 24 does not have to be fitted to the proximal end portion 23, and for example, the electrode 61 is arranged so as to be in direct contact with the skin. May be.
  • the electrode 61 is a conductor such as a metal, an alloy, graphite, a semiconductor, or a metal oxide, which has a plate-like or rod-like shape.
  • the rear portion 28 accommodates the microphone substrate 43, the power supply 51, the main substrate 52, the electroencephalogram analysis chip 53, and the wireless communication substrate 54 on the ⁇ Z side of the connecting portion 26.
  • the electroencephalogram analysis chip 53 is a circuit that analyzes the electroencephalogram acquired via the electrode 61.
  • the first electrode 611 acquires the vibration of the carotid artery wall synchronized with the heartbeat as an electric signal from the pulse wave transmitted from the ear pearl 71 via the conductive portion 62 of the ring body 24, and acquires the microphone substrate 43 and the main substrate. It is output from the wireless communication board 54 to the external device via the 52.
  • the electroencephalogram which is an electric signal from the brain
  • the electroencephalogram is acquired as an electric signal from the peripheral portion of the ear 7 by the third electrode 613 via the conductive portion 62.
  • the acquired electric signal is transmitted to the brain wave analysis chip 53 via the main board 52, analyzed as an electroencephalogram, and output from the wireless communication board 54 to the external device.
  • FIG. 6 is a view of the state in which the earphone 1 is attached from the outside
  • FIG. 7 is a view showing a cross section of the state in which the earphone 1 is attached including the external ear hole 74.
  • the front portion 21 is inserted into the tragus cavity 72 with the X end of the front portion 21 facing the scaphoid fossa 73 side and the ⁇ X end portion of the base end portion 23 facing the tragus 71 side, and the inclined surface 22 is inserted into the tragus cavity 72.
  • the sound conduit 3 is inserted into the external ear canal 74 in contact with the inner surface of the cavity 72.
  • the ⁇ X end portion of the base end portion 23 is supported by the back side of the tragus 71, and the X end portion of the front portion 21 is supported by the ear canal cavity 72.
  • the size is not restricted by the tragus 71 and the scaphoid fossa 73, and a large main substrate is used.
  • the 52 and the wireless communication board 54 can be accommodated.
  • the rear portion 28 accommodating the wireless communication board 54 and the power supply 51 has a large mass and receives gravity downward in FIG. 6, but the front portion 21 is supported by the tragus 71 and the ear canal cavity 72 and receives gravity. However, the moment when the earphone 1 falls off from the ear 7 does not occur.
  • the earphone 1 is stably attached to the ear 7, and can be stably attached even when the wearer moves violently, and even when the wearer is worn for a long time, the wearer can wear it. Does not cause discomfort.
  • a driver of a truck or a bus operating a long distance wears the earphone 1 according to the present invention, activates the earphone 1, and then starts the crew of the truck or the like.
  • the earphone 1 sequentially outputs biological signals such as pulse waves or brain waves acquired from the microphone 42 or the electrode 61 from the wireless communication board 54, and these biological signals are smart phones (not shown) arranged in the vicinity of the earphone 1. It is transmitted to a host computer (not shown) via a communication device such as.
  • the host computer analyzes and records the received biological signal, and determines the physical condition and mental state of the driver.
  • the host computer (not shown) signals the wireless communication board 54 via a communication device (not shown). Is transmitted, and an audio signal such as calling the driver for rest or attention is output from the speaker 41 via the main board 52.
  • the earphone 1 according to the present invention will be used for physical condition management of a worker who works alone or operates a device, a worker in a poor working environment where high temperature and noise are intense, and the like.
  • An earphone that can be stably worn on the ear to continuously acquire biological signals even when exercising or being worn for a long period of time, and is subject to an earphone that acquires biological signals. It can be provided without going through a complicated molding process of measuring and molding the outer ear shape of the subject for each person. It is expected to be used for the purpose of continuously acquiring biological signals.
  • Earphone 2 Housing 3 Sound conduit 7 Ear 21 Front part 22 Inclined surface 23 Base end part 24 Ring body 25 Ring protrusion 26 Connection part 28 Rear part 29 Air hole 41 Speaker 42 Mike 43 Mike board 51 Power supply 52 Main board 53 EEG analysis Chip 54 Wireless communication board 61 Electrode 611 1st electrode 612 2nd electrode 613 3rd electrode 62 Conductive part 63 Insulation part 64 Arc-shaped part 65 Extension part 71 Earphone 72 Ear hole cavity 73 Boat-shaped fossa 74 External ear canal

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un écouteur qui peut être porté de manière stable sur l'oreille et qui peut acquérir en continu des signaux biologiques même pendant des exercices ou lors du port de l'écouteur pendant une longue période de temps, sans processus de formation complexe dans lequel la cavité de trou d'oreille, la forme de l'oreille externe et analogues d'un utilisateur d'un écouteur sans fil qui acquiert des signaux biologiques sont mesurés pour chaque utilisateur pour former l'écouteur. A cet effet, l'invention porte sur un écouteur qui est caractérisé en ce qu'il comprend : un conduit acoustique qui s'étend dans une direction uniaxiale ; un haut-parleur qui est disposé vers une extrémité de base du conduit acoustique décalé vers un côté dans une direction orthogonale à la direction uniaxiale, et délivre un son dans la direction uniaxiale ; un microphone qui est disposé sur le côté arrière du haut-parleur par rapport au conduit acoustique, et détecte des vibrations ; un substrat de communication sans fil qui est disposé sur le côté arrière du microphone par rapport au conduit sonore ; et un boîtier qui comprend une partie avant, une partie raccordement et une partie arrière. La partie avant supporte l'extrémité de base du conduit acoustique, s'étend vers le côté depuis l'extrémité de base par l'intermédiaire d'une surface inclinée, inclinée par rapport à la direction uniaxiale, a une partie extrémité de base en forme de disque qui est reliée à l'autre côté dans la direction orthogonale à la direction uniaxiale, et reçoit le haut-parleur. La partie raccordement est reliée au côté arrière de la partie avant par rapport au conduit acoustique, et loge le microphone. La partie arrière est reliée au côté arrière de la partie raccordement par rapport au conduit acoustique, s'étend vers l'autre côté dans la direction orthogonale à la direction uniaxiale, et reçoit le substrat de communication sans fil.
PCT/JP2020/028608 2020-07-25 2020-07-25 Écouteur WO2022024162A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2020/028608 WO2022024162A1 (fr) 2020-07-25 2020-07-25 Écouteur
CN202080099635.5A CN115606195A (zh) 2020-07-25 2020-07-25 耳机
JP2022539786A JP7361428B2 (ja) 2020-07-25 2020-07-25 イヤホン

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PCT/JP2020/028608 WO2022024162A1 (fr) 2020-07-25 2020-07-25 Écouteur

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WO2022024162A1 true WO2022024162A1 (fr) 2022-02-03

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Country Link
JP (1) JP7361428B2 (fr)
CN (1) CN115606195A (fr)
WO (1) WO2022024162A1 (fr)

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JP7320316B1 (ja) 2022-10-21 2023-08-03 株式会社Move オープン型イヤホン
JP7427171B1 (ja) 2023-07-14 2024-02-05 株式会社Move オープン型イヤホン

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JP7427171B1 (ja) 2023-07-14 2024-02-05 株式会社Move オープン型イヤホン

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