WO2014041610A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2014041610A1
WO2014041610A1 PCT/JP2012/073230 JP2012073230W WO2014041610A1 WO 2014041610 A1 WO2014041610 A1 WO 2014041610A1 JP 2012073230 W JP2012073230 W JP 2012073230W WO 2014041610 A1 WO2014041610 A1 WO 2014041610A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
earphone
opening
main body
electronic device
Prior art date
Application number
PCT/JP2012/073230
Other languages
English (en)
Japanese (ja)
Inventor
敦 白田
知紘 佐々木
Original Assignee
パイオニア株式会社
東北パイオニア株式会社
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 パイオニア株式会社, 東北パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP2014535260A priority Critical patent/JP5979234B2/ja
Priority to PCT/JP2012/073230 priority patent/WO2014041610A1/fr
Publication of WO2014041610A1 publication Critical patent/WO2014041610A1/fr

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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
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
    • 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
    • H04R1/1016—Earpieces of the intra-aural type

Definitions

  • the present invention relates to an electronic device including, for example, a mounting member that is mounted on a head and places the earphone main body on an ear.
  • a headphone device has been proposed in which an earphone main body is attached so as to be rotatable with respect to a cord bush portion so that it can be accurately worn against individual differences in the shape of a user's ear (patent) Reference 1).
  • the earphone body can rotate without limitation with respect to the cord bush portion. For this reason, when the earphone main body is rotated without limitation, there is a problem that the cord passed through the earphone main body and the cord bushing is kinked to cause disconnection.
  • the present invention is an example of a problem to deal with such problems. That is, an object of the present invention is to provide an electronic device that can prevent, for example, kinking and disconnection of a cord.
  • an electronic device includes an earphone main body, a mounting member that places the earphone main body on an ear, and a connecting member that connects the earphone main body and the mounting member.
  • the connecting member connects the earphone body to the mounting member so as to be rotatable about a central axis of the earphone body, and restricts a rotation range of the earphone body.
  • FIG. 1 It is a perspective view which shows one Embodiment of the earphone as an electronic device of this invention. It is the perspective view which looked at the earphone shown in FIG. 1 from arrow Y1. It is a figure for demonstrating rotation and rotation of the earphone main body shown in FIG. It is a disassembled perspective view of the earphone shown in FIG. It is the disassembled perspective view which looked at the earphone shown in FIG. 4 from arrow Y2. It is sectional drawing of the earphone main body and connection member which are shown in FIG. It is a perspective view of the connection member shown in FIG. It is a front view of the connection member shown in FIG. It is an expansion perspective view of the lower housing shown in FIG. It is the schematic when an earphone main body is inserted in the ear.
  • An electronic device includes an earphone main body, a mounting member that places the earphone main body on an ear, and a connecting member that connects the earphone main body and the mounting member, and the connecting member includes the earphone main body. It connects with a mounting member so that rotation around the central axis of the said earphone main body is possible, and the rotation range of an earphone main body is controlled. Thus, by restricting the rotation range of the earphone main body by the connecting member, it is possible to prevent the cord from being twisted or disconnected.
  • the connecting member includes a rotation stopper that restricts the rotation range of the earphone body.
  • the rotation range of the earphone body can be regulated by the rotation stopper provided in the connecting member.
  • the connecting member includes a rotating member, an accommodating member that accommodates the rotating member, and a protruding portion that protrudes from the rotating member, and the accommodating member accommodates the rotating member so as to be rotatable around the axis of the earphone body.
  • the projecting portion passes through the opening of the housing member, the end of the projecting portion is coupled to one of the earphone body or the mounting member, and the housing member is coupled to the other of the earphone body or the mounting member.
  • One of the earphone main body or the mounting member disposed in the opening may be in contact with the inner wall of the opening of the housing member that is the rotation stopper. Accordingly, when the earphone main body is rotated to exceed the rotation range, one of the projecting portion, the earphone main body, or the mounting member comes into contact with the inner wall of the opening of the housing member and cannot be rotated any more.
  • the opening of the housing member may be formed in a long shape. As a result, one of the earphone main body or the mounting member, or the protrusion, that is reliably disposed in the opening of the housing member abuts against the inner wall of the opening of the housing member.
  • the earphone main body may include a speaker unit and a housing, and an auricle contact portion may protrude from the side surface of the housing.
  • an auricle contact part can also be rotated with respect to a mounting member, a pinna contact part can be fitted to each user's ear, and the sealing performance with respect to an ear can be improved.
  • the pinna contact part rotates around the central axis of the earphone body.
  • the connecting member may be a joint ball type connecting member
  • the earphone main body may be rotatable with respect to the mounting member. Therefore, since the earphone main body rotates not only with respect to the mounting member but also rotates, the earphone main body can be fitted to the ears of the individual user.
  • the connecting member includes a spherical rotating member, a housing member that houses the rotating member, and a projecting portion that projects from the rotating member, and the projecting portion passes through the opening of the housing member, and projects.
  • the part is connected to one of the earphone main body or the mounting member
  • the housing member is connected to the other of the earphone main body or the mounting member
  • one of the earphone main body or the mounting member disposed in the opening of the housing member is the housing member It may be in contact with the inner wall of the opening. Accordingly, when the earphone main body is rotated to exceed the rotation range, one of the projecting portion, the earphone main body, or the mounting member comes into contact with the inner wall of the opening of the housing member and cannot be rotated any more.
  • one of the projecting part, the earphone main body, or the mounting member is accommodated in the opening of the housing member, one of the projecting part, the earphone body, or the mounting member abuts on the inner wall of the housing member opening, Can also be regulated.
  • the earphone main body may include a speaker unit and a housing, and the housing may be connected to the protruding portion.
  • the outer surface of the housing member may be a spherical convex surface
  • the surface of the housing facing the convex surface of the housing member may be a spherical concave surface. Accordingly, the outer surface of the housing member can be fitted into the concave surface provided in the housing, and the housing member and the earphone main body can be arranged close to each other, and the earphone main body and the mounting member can be arranged close to each other. For this reason, it can suppress that an electronic device falls out from a head.
  • the casing may include an opening, and the protrusion may be inserted into the opening of the casing.
  • the opening of the housing member may be formed in a long shape. As a result, one of the earphone body or the mounting member or the protruding portion that is reliably disposed in the opening of the housing member abuts against the inner wall of the opening of the housing member.
  • an earphone 1 includes an earphone main body 2 to be inserted into a person's ear, an ear hook 3 that is attached to the base of the ear, and is disposed on the ear, and the earphone main body 2. 2 and a connecting member 4 that connects the ear hook 3.
  • the earphone main body 2 described above rotates in an arbitrary direction with the connecting member 4 as a fulcrum with respect to the ear hook 3 and is also shown in FIG. 3C.
  • the earphone main body 2 is provided so as to be rotatable around the central axis Z.
  • the ear hook 3 is provided in a substantially arc shape that can be hooked on the base of the ear, and the cord 5 is drawn from one end thereof.
  • the ear hook unit 3 includes an ear hook main body 31, a case main body 32 that covers the ear hook main body 31, and a cover 33 that covers an opening of the case main body 32.
  • the ear hook main body 31 is formed of, for example, a substantially arc-shaped flat plate, and a connecting member 4 described later is provided at the other end.
  • the case main body 32 is also configured in a substantially arc shape and covers the ear hook main body 31.
  • An opening is provided on the earphone main body 2 side of the other end of the case main body 32, and the connecting member 4 is exposed from the opening.
  • An opening is also provided on the side of the other end of the case body 32 away from the earphone body 2, and the opening is covered with a cover 33.
  • the connecting member 4 includes a joint ball 41 as a spherical rotating member, a housing member 42 that houses the joint ball 41 so as to be rotatable in an arbitrary direction, and a protrusion attached to the joint ball 41. And a screw 43 as a part.
  • a screw 43 is passed through the joint ball 41 so as to pass through the center thereof, and the tip of the screw 43 protrudes from the joint ball 41.
  • the housing member 42 is integrally formed and connected to the above-described ear-hook main body 31, and is provided in a shape in which the ear-hook main body 31 is recessed toward the earphone main body 2.
  • the housing member 42 has an outer surface provided on a spherical convex surface facing the earphone main body 2, and an inner surface provided on a spherical concave surface directed toward the earphone main body 2.
  • the housing member 42 is provided with an opening 42A, and the tip of a screw 43 attached to the joint ball 41 protrudes outside the housing member 42 through the opening 42A.
  • the opening 42A is provided in a substantially rectangular long shape as described above, and its short side bulges outward and the center of the long side bulges outward.
  • a concave portion 41A is formed into which a distal end portion of a mounting portion 24D provided in the earphone main body 2 described later is fitted.
  • the joint ball 41 is accommodated in the accommodating member 42 from the opening provided in the case main body 32, and then the cover 33 is attached so as to cover the opening.
  • the earphone body 2 includes a speaker unit 21 (FIG. 6) that generates sound, a housing 22 (housing) that houses the speaker unit 21, and an ear insertion portion 23. ing.
  • the speaker unit 21 is a known speaker including a diaphragm and a magnetic circuit.
  • the housing 22 includes a lower housing 24 (second housing) connected to the connecting member 4 and an upper housing 25 (first housing) that houses the speaker unit 21.
  • the lower housing 24 is formed in a saucer shape composed of a bottom portion 24A and a cylindrical portion 24B erected from the outer periphery of the bottom portion 24A.
  • the bottom portion 24 ⁇ / b> A is provided with a hemispherical concave surface 24 ⁇ / b> C on a surface facing the convex surface of the housing member 42.
  • the housing member 42 is fitted into a concave surface 24 ⁇ / b> C provided on the bottom 24 ⁇ / b> A of the lower housing 24.
  • the bottom 24A is provided with a mounting portion 24D that protrudes toward the ear hook 3.
  • the mounting portion 24D protrudes toward the connecting member 4 from the concave surface 24C of the bottom portion 24A.
  • the mounting portion 24D includes an insertion shaft 24E into which a tip of a screw 43 protruding from the joint ball 41 is inserted, and a pair of contact portions 24F protruding outward from the side surface of the insertion shaft 24E. It is configured.
  • the insertion shaft 24 ⁇ / b> E is provided in a columnar shape (including a columnar shape), and is provided with an opening that penetrates along the shaft and communicates with the lower housing 24.
  • the pair of contact portions 24F are provided in a plate shape protruding in a direction away from the side surface of the insertion shaft 24E, and the thickness thereof is provided smaller than the diameter of the insertion shaft 24E.
  • the lower housing 24 and the connecting member 4 are connected by press-fitting the tip of the screw 43 into the opening of the insertion shaft 24E and fitting the tip of the mounting portion 24D into the recess 41A provided in the joint ball 41.
  • the attachment portion 24D is also provided in a long shape as a whole, and the width W1 in the longitudinal direction is similarly the width W2 in the short direction of the long opening 42A ( It is provided longer than FIG.
  • an ear holder 24 ⁇ / b> G protrudes from the cylindrical portion 24 ⁇ / b> B.
  • the ear holder 24 ⁇ / b> G is provided to hook the earphone main body 2 on the ear 6 so as not to come off by being hooked in the recess of the ear 6.
  • a threaded portion 24 ⁇ / b> H for attaching an upper housing 25 to be described later is provided at an end portion of the outer surface of the cylindrical portion 24 ⁇ / b> B on the side away from the bottom portion 24 ⁇ / b> A.
  • the upper housing 25 is provided in a substantially cylindrical shape, and includes a large diameter portion 25 ⁇ / b> A having a large diameter (thickness) and a small diameter portion 25 ⁇ / b> B having a small diameter (thickness). Is provided.
  • the speaker unit 21 is accommodated in the large diameter portion 25A.
  • a threaded portion 25 ⁇ / b> C for attaching the lower housing 24 is provided at the end of the large-diameter portion 25 ⁇ / b> A on the ear hooking portion 3 side.
  • the lower housing 24 and the upper housing 25 can be assembled by screwing the threading 24H provided in the lower housing 24 with the threading 25C provided in the upper housing 25.
  • the ear insertion portion 23 is made of silicone or the like, and has an attachment portion 23A that is attached to the small diameter portion 25B of the upper housing 25, and an insertion portion that surrounds the attachment portion 23A and is inserted into the ear canal. 23B, a well-known ear insertion portion.
  • the ear hanger main body 31 of the ear hanger 3 is integrally provided with the accommodating member 42 for accommodating the joint ball 41, and the earphone main body is attached to the tip of the screw 43 protruding from the joint ball 41 to the outside of the accommodating member 42.
  • Two attachment portions 24D are attached. Since the joint ball 41 is housed in the housing member 42 so as to be rotatable in an arbitrary direction as described above, the earphone body 2 has the joint ball 41 as a fulcrum as shown in FIGS. 3 (A) and 3 (B). And rotate in any direction.
  • the mounting portion 24D protruding from the earphone main body 2 is inserted into the opening 42A of the housing member 42, the mounting portion 24D cannot rotate beyond the position where the mounting portion 24D and the housing member 42 abut. That is, the rotation range of the earphone main body 2 is determined by the size and shape of the opening 42 ⁇ / b> A of the housing member 42.
  • the earphone body 2 has a central axis Z of the earphone body 2 as shown in FIG. Rotate around.
  • the mounting portion 24D protruding from the earphone body 2 is inserted into the opening 42A of the housing member 42 and the opening 42A is formed in a long shape, as shown in FIG.
  • the contact portion 24F contacts the upper right and lower left inner walls of the opening 42A of the housing member 42 and does not rotate any further.
  • the contact portion 24F contacts the lower right and upper left inner walls of the opening 42A of the housing member 42 and does not rotate any more. . That is, the rotation range ⁇ of the earphone main body 2 is determined by the size and shape of the opening 42A of the housing member 42.
  • the connecting member 4 connects the earphone main body 2 to the ear hook portion 3 so as to be rotatable around the central axis Z of the earphone main body 2 and restricts the rotation range of the earphone main body 2. .
  • the connecting member 4 restricts the rotation range of the earphone main body 2 by the connecting member 4, it is possible to prevent the cord 5 from being twisted or disconnected.
  • the connecting member 4 includes the inner wall of the opening 42 ⁇ / b> A of the housing member 42 as a rotation stopper that restricts the rotation range of the earphone main body 2.
  • the rotation range of the earphone main body 2 can be regulated by the inner wall of the opening 42 ⁇ / b> A of the housing member 42 provided in the connecting member 4.
  • the connecting member 4 includes the joint ball 41, the housing member 42 that houses the joint ball 41 so as to be rotatable in an arbitrary direction, and the opening 42A of the housing member 42 from the joint ball 41.
  • a screw 43 projecting outside the housing member 42, the screw 43 projecting outside the housing member 42 is connected to the earphone main body 2, the housing member 42 is coupled to the ear hook 3, and the housing member 42
  • the mounting portion 24D of the earphone main body 2 disposed in the opening portion 42A contacts the inner wall of the opening portion 42A of the housing member 42, which is a rotation stop portion, and the rotation range is restricted.
  • the contact portion 24F of the earphone body 2 is in contact with the inner wall of the opening 42A of the housing member 42 and cannot be rotated any more. become. Further, since the attachment portion 24D of the earphone main body 2 is accommodated in the opening 42A of the accommodation member 42, the attachment portion 24D of the earphone main body 2 abuts against the inner wall of the opening 42A of the accommodation member 42, and the connecting member 4 is supported. The rotation range of the earphone main body 2 can be restricted.
  • the opening 42A of the housing member 42 is formed in a long shape.
  • the contact portion 24F provided in the earphone body 2 reliably contacts the inner wall of the opening 42A of the housing member 42.
  • the housing member 42 is provided with a spherical convex surface
  • the lower housing 24 is provided with a spherical concave surface 24 ⁇ / b> C that faces the convex outer surface of the housing member 42.
  • the outer surface of the accommodating member 42 can be fitted into the concave surface 24C provided in the lower housing 24, the accommodating member 42 and the earphone main body 2 are arranged close to each other, and the earphone main body 2 and the ear hooking portion 3 are arranged close to each other. be able to. For this reason, it is possible to prevent the earphone 1 from dropping from the ear.
  • the spherical joint ball 41 is used as the rotating member, and the rotating member is provided so as to be rotatable in any direction.
  • the rotating member may have a circular cross section.
  • the rotating member may be provided in a columnar shape so as to be rotatable only around the central axis Z in the housing member 42.
  • the earphone main body 2 cannot be rotated around the connecting member 4 as in the embodiment, but can be rotated around the central axis Z.
  • the mounting portion 24D of the earphone main body 2 is inserted into the opening 42A of the housing member 42, and the mounting portion 24D and the inner wall of the opening 42A come into contact with each other.
  • the rotation range is restricted, the present invention is not limited to this.
  • the attachment portion 24 ⁇ / b> D may not be inserted into the opening 42 ⁇ / b> A of the housing member 42. In this case, the screw 43 comes into contact with the inner wall of the opening 42A, and the rotation range and rotation range of the earphone body 2 are restricted.
  • the housing member 42 is formed integrally with the ear hook 3 and the screw 43 protruding outside the housing member 42 is connected to the earphone body 2.
  • the housing member 42 may be formed integrally with the earphone main body 2 and the screw 43 protruding from the housing member 42 may be connected to the ear hook 3.
  • the screw 43 protruding from the housing member 42 may be connected to the ear hook 3.
  • one screw 43 protruding from the joint ball 41 is provided, and the mounting portion 24D inserts the screw 43 into one insertion shaft 24E and two abutments protruding from the side surface of the insertion shaft 24E.
  • the present invention is not limited to this.
  • a plurality of screws 43 may protrude from the joint ball 41, and a plurality of insertion shafts 24E may be provided on the attachment portion 24D. In this case, the plurality of insertion shafts 24E come into contact with the inner wall of the opening 42A, and the rotation / rotation range of the earphone body 2 is restricted.
  • the connecting member 4 is composed of the joint ball 41, but the present invention is not limited to this.
  • the earphone main body 2 may be provided so as to be rotatable and rotatable with respect to the ear hook 3 by using an elastic member such as rubber as the connecting member 4.
  • an elastic member such as rubber
  • the connecting member 4 since the connecting member 4 has elasticity, a self-centering effect (no fluttering movement) can be expected, and the structure is simplified.
  • the opening 42A of the housing member 42 is provided in a rectangular long shape, but the present invention is not limited to this.
  • the opening 42A only needs to be provided in a long shape, and may not be rectangular.
  • the speaker unit 21 is inserted into the housing 22, but the present invention is not limited to this.
  • the speaker unit 21 may be provided in a sound conduit attached to the housing 22.
  • the ear holder 24G is provided, but the present invention is not limited to this.
  • the ear holder 24G may not be provided.
  • the screw 43 is used as the protruding portion, but the present invention is not limited to this.
  • the protruding portion only needs to protrude from the joint ball 41, and may be formed integrally with the joint ball 41, for example.
  • the ear hook 3 is used as the mounting member, but the present invention is not limited to this.
  • the attachment member may be any member that is attached to the head, that is, the portion above the neck, and may be a band attached to the back of the head or chin, for example.
  • Earphone electronic equipment
  • Earphone body 3
  • Connecting member 21
  • Speaker unit 22 Housing (housing) 24C Concave surface 24G
  • Ear holder auricle contact part
  • Joint ball Rivesting member
  • Housing member 42A opening (rotation stop)
  • Screw protrusion

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

Abstract

[Problème] Fournir un dispositif électronique dans lequel la torsion ou la déconnexion d'un cordon est empêchée. [Solution] Un écouteur (1) est pourvu : d'un corps d'écouteur (2) ; d'une oreillette (3) pour placer le corps d'écouteur (2) sur l'oreille ; et d'un élément de liaison (4) reliant le corps d'écouteur (2) et l'oreillette (3). L'élément de liaison (4) est du type joint à rotule et permet de relier le corps d'écouteur (2) à l'oreillette (3) de manière rotative autour d'un axe central (Z) du corps d'écouteur (2) et de régler simultanément la plage de rotation du corps d'écouteur (2).
PCT/JP2012/073230 2012-09-11 2012-09-11 Dispositif électronique WO2014041610A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014535260A JP5979234B2 (ja) 2012-09-11 2012-09-11 電子機器
PCT/JP2012/073230 WO2014041610A1 (fr) 2012-09-11 2012-09-11 Dispositif électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/073230 WO2014041610A1 (fr) 2012-09-11 2012-09-11 Dispositif électronique

Publications (1)

Publication Number Publication Date
WO2014041610A1 true WO2014041610A1 (fr) 2014-03-20

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ID=50277768

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/073230 WO2014041610A1 (fr) 2012-09-11 2012-09-11 Dispositif électronique

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JP (1) JP5979234B2 (fr)
WO (1) WO2014041610A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020051497A1 (fr) * 2018-09-07 2020-03-12 Plantronics, Inc. Tour d'oreille de casque confortable pour la stabilité et le confort

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007135175A (ja) * 2005-11-09 2007-05-31 Cotron Corp イヤハンガー付きインイヤ型イヤホン
JP2007134815A (ja) * 2005-11-08 2007-05-31 Audio Technica Corp ヘッドホン
JP2011234102A (ja) * 2010-04-27 2011-11-17 Pioneer Electronic Corp 携帯用スピーカ装置及び電子機器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09307983A (ja) * 1996-05-10 1997-11-28 J M C Kk イヤホン型送受話器
JPH10243492A (ja) * 1997-02-21 1998-09-11 Life Sci Shiya:Kk イヤホン
JP3941057B2 (ja) * 2003-05-28 2007-07-04 フォスター電機株式会社 耳掛け式イヤホン
JP2009171303A (ja) * 2008-01-17 2009-07-30 Sony Corp ヘッドホン
JP5079881B2 (ja) * 2008-07-09 2012-11-21 パイオニア株式会社 イヤホン

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007134815A (ja) * 2005-11-08 2007-05-31 Audio Technica Corp ヘッドホン
JP2007135175A (ja) * 2005-11-09 2007-05-31 Cotron Corp イヤハンガー付きインイヤ型イヤホン
JP2011234102A (ja) * 2010-04-27 2011-11-17 Pioneer Electronic Corp 携帯用スピーカ装置及び電子機器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020051497A1 (fr) * 2018-09-07 2020-03-12 Plantronics, Inc. Tour d'oreille de casque confortable pour la stabilité et le confort
US10687138B2 (en) 2018-09-07 2020-06-16 Plantronics, Inc. Conformable headset earloop for stability and comfort

Also Published As

Publication number Publication date
JPWO2014041610A1 (ja) 2016-08-12
JP5979234B2 (ja) 2016-08-24

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