WO2012144040A1 - イヤホン - Google Patents
イヤホン Download PDFInfo
- Publication number
- WO2012144040A1 WO2012144040A1 PCT/JP2011/059761 JP2011059761W WO2012144040A1 WO 2012144040 A1 WO2012144040 A1 WO 2012144040A1 JP 2011059761 W JP2011059761 W JP 2011059761W WO 2012144040 A1 WO2012144040 A1 WO 2012144040A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vibration
- housing
- earphone according
- earphone
- vibrates
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 230000005284 excitation Effects 0.000 claims description 10
- 230000005236 sound signal Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 4
- 210000000613 ear canal Anatomy 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- H04R1/1016—Earpieces of the intra-aural type
-
- 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
- H04R1/1075—Mountings of transducers in earphones or headphones
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/066—Loudspeakers using the principle of inertia
Definitions
- the present invention relates to an earphone.
- the earphone as described in the following Patent Document 1 includes a unit having a sound conduit and an ear tip attached to the sound conduit of the unit, and is used in a state where the ear tip is inserted into a user's ear canal. is there.
- the speaker unit of the earphone is held by the ear chip inserted into the ear canal, so the speaker unit must be downsized in order to hold the speaker unit with an appropriate holding force.
- a small speaker unit has a problem that it is difficult to obtain necessary low-frequency vibrations, and a good sound quality cannot be obtained in the low-frequency range when reproducing a music source including the low-frequency range.
- the eartips provided in the conventional insertion type earphones are mainly focused on the adhesion to the inner surface of the ear canal (the ear canal), so the compliance in the direction along the ear canal is small, and the eartip itself vibrates and is effective.
- the eartip itself vibrates and is effective.
- the present invention is an example of a problem to deal with such a problem.
- even earphones with a relatively small speaker unit held in the ear hole can be reproduced in the low frequency range, so that even a small earphone can reproduce sound in a sense of presence by reproducing the low frequency range. It is an object of the present invention to enable reproduction and the like.
- the earphone according to the present invention has at least the following configuration.
- a vibration means that vibrates in a uniaxial direction; a housing that supports the vibration means and vibrates by vibration of the vibration means; and an ear tip that is attached to the housing.
- the ear tip is disposed around the uniaxial direction.
- An earphone comprising: a vibrating portion that is disposed and vibrates by vibration of the housing; and a holding portion that holds the housing in an ear hole.
- FIG. 1 is a conceptual diagram showing a basic configuration of an earphone according to an embodiment of the present invention.
- the earphone 1 includes a vibration unit (vibration unit) 10 that vibrates in one axis direction (X-axis direction in the drawing), a housing 20 that supports the vibration unit 10 and vibrates due to vibration of the vibration unit 10, and is attached to the housing 20.
- Eartip 40 is attached to the housing 20.
- the eartip 40 is disposed around one axis direction (X-axis direction in the drawing), that is, around the vibration direction of the vibration means 10.
- the eartip 40 holds the housing 20 in the ear canal (external ear canal) Y and vibrates itself by the vibration of the housing 20, and holds the vibrating portion 41 that vibrates by the vibration of the housing 20 and the housing 20 in the ear hole.
- a portion 42 is provided.
- the vibration means 10 (hereinafter referred to as a vibration unit) is supported by a vibration unit support portion 21 in the housing 20.
- the vibration unit 10 includes a magnetic circuit 11 including a magnetic gap 11G, an excitation coil 13 positioned in the magnetic gap 11G, and a suspension 14 that supports the magnetic circuit 11 on a vibration unit support portion 21 of the housing 20.
- the excitation coil 13 is fixed to the vibration unit support portion 21 of the housing 20 directly or via the coil support portion 13A.
- the vibration unit 10 vibrates along the X-axis direction by inputting a vibration signal to the vibration coil 13, and this vibration is transmitted to the housing 20, so that the housing 20 extends along the X-axis direction. Vibrate. And the ear tip 40 arrange
- the holding part 42 of the eartip 40 is held in the ear hole Y, and the entire circumference of the holding part 42 is in close contact with the inner surface of the ear hole Y.
- the space Ys in the ear hole Y is in a sealed or semi-sealed state, and pressure fluctuations are effectively generated in the space Ys due to the vibration of the vibrating portion 41 in the eartip 40, and the space Ys in the sealed or semi-sealed space Ys.
- the volume can be driven to enable better quality bass reproduction.
- FIG. 2 is an explanatory view showing a more specific configuration example of the earphone 1 according to the embodiment of the present invention.
- the earphone 1 has a housing 20 in which a speaker unit 30 and a vibration unit 10 are accommodated.
- the speaker unit 30 emits sound by an audio signal and includes a voice coil 31 to which the audio signal is input.
- the voice coil 31 vibrates along the vibration direction (X-axis direction) of the vibration unit (vibration means) 10.
- the speaker unit 30 includes a magnetic circuit 32 having a magnetic gap 32G, and a voice coil 31 is disposed in the magnetic gap 32G.
- the magnetic circuit 32 includes, for example, a magnet 32A, a yoke 32B, and a plate 32C, and a magnetic gap 32G is formed between the yoke 32B and the plate 32C.
- a diaphragm 33 is attached to the voice coil 31, and the diaphragm 33 is supported by a frame 34.
- the frame 34 is provided with an opening 34 ⁇ / b> A for emitting sound radiated from the diaphragm 33.
- the vibration unit 10 includes the magnetic circuit 11, the excitation coil 13, and the suspension 14.
- the magnetic circuit 11 is attached to the vibration unit support portion 21 of the housing 20 to which the excitation coil 13 is fixed. Is supported through.
- the magnetic circuit 11 includes a magnet 11A, a yoke 11B, and a plate 11C, and a magnetic gap 11G is formed between the yoke 11B and the plate 11C.
- the magnetic circuit 11 is provided with a weight portion 12, and the mass of the magnetic circuit 11 including the weight portion 12 is substantially equal to the mass of the housing 20 and the speaker unit 30 combined.
- the housing 20 includes a cylindrical sound guide portion 22 that guides sound emitted from the speaker unit 30, and an opening 23 formed at one end of the sound guide portion 22.
- the sound guide portion 22 and the opening 23 are provided inside the eartip 40. Further, the position of the speaker unit 30 in the housing 20 is closer to the sound guide portion 22 than the position of the vibration unit 10 in the housing 20.
- the vibration part 41 of the ear tip 40 is an inner peripheral part 41A that is supported on the housing 20 on the inner end side, and includes an edge part 43 between the vibration part 41 and the holding part 42.
- the sound guide portion 22 and the opening portion 23 described above are provided inside the inner peripheral portion 41 ⁇ / b> A of the eartip 40.
- an effective vibration area Va when the ear tip 40 vibrates is obtained by a part of the vibration part 41 and the edge part 43. By increasing the effective vibration area Va, the sound pressure due to the vibration of the ear tip 40 can be increased.
- the ear tip 40 is annularly provided around the housing 20, and the outer peripheral side of the vibration part 41 is connected to the inner peripheral side of the edge part 43, and the outer peripheral side of the edge part 43 is connected to the inner peripheral side of the holding part 42. Yes.
- Such a form can be obtained by integrally molding the vibration part 41, the edge part 43, and the holding part 42.
- the ear tip 40 itself is soft and has desired elasticity, and has a large compliance with respect to the force in the axial direction (X-axis direction). Further, as described above, it is preferable that the holding portion 42 of the earphone 1 is in close contact with the inner surface of the ear hole so that the space in the ear hole is sealed or semi-sealed.
- the form of the edge portion 43 is important.
- the edge portion 43 has a waveform in cross section along the uniaxial direction (X-axis direction). Further, the thickness tb of the edge portion 43 is formed thinner than the thickness ta of the vibrating portion 41.
- the edge portion 43 having such a configuration has a relatively large compliance with respect to the force in the X-axis direction, and has a force that elastically expands toward the outside of the holding portion 42, thereby holding the holding portion on the inner surface of the ear hole. 42 can be brought into close contact with each other.
- the maximum diameter of the holding portion 42 in the eartip 40 is larger than the maximum diameter of the housing 20. According to this, the holding
- Such an earphone 1 can be driven by using the audio signal input to the voice coil 31 of the speaker unit 30 and the excitation signal input to the excitation coil 13 of the vibration unit 10 as a common signal. According to this, since the vibration part 41 of the ear tip 40 effectively reproduces bass sound, even a small earphone can reproduce a sufficient bass range with both vibration and sound pressure. Since the eartip 40 with large compliance easily cuts the mid-low range that causes extra turbidity, it is possible to reproduce low sound with high sound quality by vibration of the vibration part 41 without using an electrical filter. Furthermore, since the diaphragm 33 of the speaker unit 30 can reproduce a relatively high sound range, the reproduction band can be expanded.
- FIG. 3 is an example of a sound pressure frequency characteristic obtained by the earphone 1 according to the embodiment of the present invention.
- a high sound pressure level is shown in a low range of 100 Hz or less.
- the earphone 1 according to the embodiment of the present invention has the mass of the magnetic circuit 11 including the weight portion 12 of the vibration unit 10, the mass of the housing 20 including the speaker unit 30, the spring constant of the suspension 14, the spring constant and compliance of the ear chip 40.
- a necessary band and sound pressure can be adjusted by appropriately setting.
- the resonance frequency of the mass of the magnetic circuit 11 including the weight portion 12 of the vibration unit 10 and the resonance frequency of the mass of the housing 20 including the speaker unit 30 become sound (vibration), and peaks of the two resonance frequencies. Becomes frequency characteristics. Arbitrary frequency characteristics can be easily obtained by adjusting the spring constant to make the two resonance bands closer to each other, or by adding resistance to adjust the resonance sharpness. .
- the performance required for the eartip 40 in the earphone 1 is to increase the effective vibration diameter Va in order to increase the sound pressure due to vibration, to have a shape with a wide compliance design range so that the frequency characteristics can be arbitrarily set, In order to efficiently convert the vibration of the ear tip 40 into the pressure fluctuation in the ear hole volume, it is possible to improve the adhesion of the ear hole to the wall surface.
- the sound pressure sensitivity due to vibration can be increased.
- FIG. 4 and FIG. 5 are explanatory diagrams showing examples of the shape of the eartip when only the vibration unit of the earphone according to the embodiment of the present invention is driven.
- the compliance of the ear tip 40 can be increased not only with the ear tip 40 having the corrugated cross-sectional edge 43 of the example shown in FIG. 2 but also with various shapes shown in FIGS. 4 and 5.
- FIGS. 4 (a) to 4 (c) and FIGS. 5 (a) and 5 (b) show cross-sectional shapes along the vibration direction (X-axis direction) of the vibration unit 10 in the eartip 40.
- FIG. The ear tips 40 (40A to 40E) shown in FIGS. 4 (a) to 4 (c) and FIGS. 5 (a) and 5 (b) are similar to the example described above in the vibration direction of the vibration unit 10 (X-axis direction in the drawing).
- a holding part 42 that holds the housing 20 in the ear hole.
- an edge portion 43 is provided between the vibrating portion 41 and the holding portion 42.
- the ear tip 40 (40A) shown in FIG. 4A is a direction in which the edge portion 43 extends in a direction intersecting the X axis and is provided in an annular shape around the X axis, and intersects the vibration direction (X axis direction).
- the edge portion 43 has a cross-sectional shape that is convex (or concave) along the X-axis.
- the holding portion 42 provided outside the edge portion 43 is raised from the outer end of the edge portion 43 along the X axis and from the end of the standing portion 42 a.
- An umbrella-like portion 42b extending on the opposite side to the portion 42a is provided.
- the compliance can be increased and the effective vibration diameter can be increased. Further, even if the compliance of the edge portion 43 is increased, by providing the standing portion 42a, the adhesion force to the inner surface of the ear hole can be increased by the elastic force of the standing portion 42a and the umbrella-like portion 42b.
- the edge portion 43 extends in the direction along the X axis, is provided in an annular shape around the X axis, and intersects the vibration direction (X axis direction).
- the cross-sectional shape of the edge portion 43 is convex (or concave) in the direction intersecting the X axis. According to this, the position of the edge part 43 is arrange
- the edge portion 43a includes an upright portion 42a extending along the X-axis from the end of the edge portion 43 and an umbrella-shaped portion 42b extending from the end of the upright portion 42a to the opposite side of the upright portion 42a. Even if the compliance is increased by 43, the adhesion force to the inner surface of the ear canal can be enhanced by the elastic force of the standing portion 42a and the umbrella-like portion 42b.
- the edge portion 43 extends in the direction along the X axis and is provided in an annular shape around the X axis, and intersects the vibration direction (X axis direction).
- the cross-sectional shape of the edge portion 43 is formed to be uneven in a direction intersecting the X axis.
- the edge portion 43 has a rectangular unevenness. According to this, the vibration of the housing 20 can be changed to the sound pressure by the uneven surface intersecting the X axis of the edge portion 43, so that the amplitude of the housing 20 can be effectively changed to the sound pressure.
- the edge portion 43 is formed in a cylindrical shape along the periphery in the X-axis direction, and is provided in an annular shape around the X-axis.
- the inside of the cylindrical (tube-shaped) edge portion 43 can be filled with air, other gas, liquid, or solid as necessary.
- the vibration part 41 for attaching the ear tip 40 (40D) to the housing 20 extends in the direction intersecting the X axis.
- FIG. 5B shows the ear tip 40 (40E).
- To the housing 20 extends along the X axis, and the edge portion 43 is supported in a cantilevered manner.
- an appropriate spring constant can be obtained by the cylindrical edge portion 43 in addition to a large compliance.
- a large compliance can be taken in the X-axis direction, and the adjustment of the compliance can be easily performed by adjusting the diameter of the cylindrical edge portion 43.
- the housing 20 is easily supported horizontally along the ear hole.
- the eartip 40 (40D, 40E) shown in FIG. 5 also includes a holding portion 42 that spreads out in an umbrella shape outside the edge portion 43.
- a holding portion 42 that spreads out in an umbrella shape outside the edge portion 43.
- the eartip 40 vibrates on the basis of the inner surface (human body) of the ear hole Y via the housing 20 by vibrating the vibration unit 10 in the X-axis direction, and is sealed or semi-sealed.
- the air volume in the space Ys in the ear hole can be effectively driven.
- the eartip 40 having a large compliance with the force in the X-axis direction functions as a diaphragm, and high-quality bass reproduction with less muddy sound is possible.
- the vibration of the eartip 40 causes a pressure fluctuation in the space Ys in the ear hole, and the low frequency range can be reproduced by this pressure fluctuation.
- the earphone 1 according to the embodiment of the present invention enables realistic sound reproduction even if it is small.
- the earphone 1 moves to the low frequency range where the resonance frequency of vibration is lower by increasing the compliance of the eartip 40 in the X-axis direction. Therefore, since the frequency of the sound pressure induced by the vibration of the vibration unit 10 is in a lower sound range, it is possible to reproduce a low sound that has not been conventionally achieved. Further, by increasing the effective vibration diameter of the ear tip 1, it is possible to increase the sound pressure sensitivity due to vibration.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Headphones And Earphones (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
Claims (17)
- 一軸方向に振動する振動手段と、
前記振動手段を支持して、当該振動手段の振動によって振動するハウジングと、
前記ハウジングに装着されるイヤチップとを有し、
前記イヤチップは、前記一軸方向の周囲に配置され、前記ハウジングの振動によって振動する振動部と前記ハウジングを耳穴内に保持する保持部を備えることを特徴とするイヤホン。 - 前記振動部と前記保持部との間にはエッジ部を備えることを特徴とする請求項1記載のイヤホン。
- 前記エッジ部は、前記一軸方向に沿った断面形状が波形であることを特徴とする請求項2記載のイヤホン。
- 前記エッジ部は前記振動部の厚さより薄く形成されていることを特徴とする請求項3記載のイヤホン。
- 前記エッジ部は前記一軸方向の周囲に沿って筒状に形成されていることを特徴とする請求項2記載のイヤホン。
- 前記イヤチップは前記ハウジングの周囲に環状に備えられ、
前記振動部の外周側が前記エッジ部の内周側に繋がり、前記エッジ部の外周側が前記保持部の内周側に繋がることを特徴とする請求項2に記載のイヤホン。 - 前記振動部と前記エッジ部と前記保持部は一体成形されていることを特徴とする請求項6記載のイヤホン。
- 前記保持部の最大径は前記ハウジングの最大径よりも大きいことを特徴とする請求項1記載のイヤホン。
- 前記ハウジングには、
オーディオ信号に応じて音を放出するスピーカユニットと、加振信号に応じて振動する前記振動手段としての振動ユニットとが収容されていることを特徴とする請求項1記載のイヤホン。 - 前記ハウジングは、前記スピーカユニットから放出された音を導く筒状の音導部と、該音導部の一端に形成される開口とを備えることを特徴とする請求項9記載のイヤホン。
- 前記音導部及び前記開口は前記振動部の内側に設けられていることを特徴とする請求項10記載のイヤホン。
- 前記ハウジング内における前記スピーカユニットの位置は、前記ハウジング内の前記振動ユニットの位置より前記音導部側にあることを特徴とする請求項10記載のイヤホン。
- 前記振動ユニットは、
磁気ギャップを含む磁気回路と、
前記磁気ギャップに位置する加振コイルと、
前記磁気回路を前記ハウジングに支持するサスペンションとを備え、
前記加振コイルは、前記ハウジングに固定されていることを特徴とする請求項9記載のイヤホン。 - 前記スピーカユニットは前記オーディオ信号が入力されるボイスコイルを備え、該ボイスコイルは前記振動手段の振動方向に沿って振動することを特徴とする請求項9記載のイヤホン。
- 前記磁気回路には重り部が備えられることを特徴とする請求項9記載のイヤホン。
- 前記重り部を含む前記磁気回路の質量と、
前記ハウジングと前記スピーカユニットを合わせた質量とが略等しいことを特徴とする請求項15に記載のイヤホン。 - 前記スピーカユニットに入力されるオーディオ信号と前記振動ユニットに入力される加振信号は共通の信号であることを特徴とする請求項9記載のイヤホン。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2011/059761 WO2012144040A1 (ja) | 2011-04-20 | 2011-04-20 | イヤホン |
EP11863718.0A EP2701399B1 (en) | 2011-04-20 | 2011-04-20 | Earphones |
JP2013510783A JPWO2012144040A1 (ja) | 2011-04-20 | 2011-04-20 | イヤホン |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2011/059761 WO2012144040A1 (ja) | 2011-04-20 | 2011-04-20 | イヤホン |
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WO2012144040A1 true WO2012144040A1 (ja) | 2012-10-26 |
Family
ID=47041189
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PCT/JP2011/059761 WO2012144040A1 (ja) | 2011-04-20 | 2011-04-20 | イヤホン |
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EP (1) | EP2701399B1 (ja) |
JP (1) | JPWO2012144040A1 (ja) |
WO (1) | WO2012144040A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016178627A (ja) * | 2015-03-19 | 2016-10-06 | パナソニックIpマネジメント株式会社 | 体感振動ヘッドホン |
WO2020158802A1 (ja) * | 2019-01-29 | 2020-08-06 | 株式会社オーディオテクニカ | イヤピースおよびイヤホン |
US11039236B2 (en) | 2017-05-23 | 2021-06-15 | Nec Platforms, Ltd. | Ear pad and earphone using the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6084096A (ja) * | 1983-10-15 | 1985-05-13 | Pioneer Electronic Corp | 体感音響振動システム付ヘツドホン |
JPS6374398A (ja) * | 1986-09-18 | 1988-04-04 | Sony Corp | ヘツドホン |
JPH0244899A (ja) * | 1988-08-04 | 1990-02-14 | Matsushita Electric Ind Co Ltd | インナーイヤー型ヘッドホン |
WO2009141912A1 (ja) * | 2008-05-23 | 2009-11-26 | 日本エムエムアイテクノロジー株式会社 | イヤホン装置 |
JP2010010885A (ja) | 2008-06-25 | 2010-01-14 | Star Micronics Co Ltd | イヤーチップおよび挿入型イヤホン |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5194220A (en) * | 1975-02-15 | 1976-08-18 | Denkishingo shindohenkansochi | |
US4456797A (en) * | 1982-11-18 | 1984-06-26 | Olsen Eric E | Submersible personal stereo system |
JP4151157B2 (ja) * | 1999-05-31 | 2008-09-17 | ソニー株式会社 | イヤホン |
JP2003092789A (ja) * | 2001-09-18 | 2003-03-28 | Sony Corp | 振動モータを利用した重低音増強装置 |
US8693720B2 (en) * | 2006-08-31 | 2014-04-08 | Red Tail Hawk Corporation | Wireless earplug with improved sensitivity and form factor |
TW201106718A (en) * | 2009-08-06 | 2011-02-16 | Merry Electronics Co Ltd | In-ear earphone |
-
2011
- 2011-04-20 JP JP2013510783A patent/JPWO2012144040A1/ja active Pending
- 2011-04-20 WO PCT/JP2011/059761 patent/WO2012144040A1/ja active Application Filing
- 2011-04-20 EP EP11863718.0A patent/EP2701399B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6084096A (ja) * | 1983-10-15 | 1985-05-13 | Pioneer Electronic Corp | 体感音響振動システム付ヘツドホン |
JPS6374398A (ja) * | 1986-09-18 | 1988-04-04 | Sony Corp | ヘツドホン |
JPH0244899A (ja) * | 1988-08-04 | 1990-02-14 | Matsushita Electric Ind Co Ltd | インナーイヤー型ヘッドホン |
WO2009141912A1 (ja) * | 2008-05-23 | 2009-11-26 | 日本エムエムアイテクノロジー株式会社 | イヤホン装置 |
JP2010010885A (ja) | 2008-06-25 | 2010-01-14 | Star Micronics Co Ltd | イヤーチップおよび挿入型イヤホン |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016178627A (ja) * | 2015-03-19 | 2016-10-06 | パナソニックIpマネジメント株式会社 | 体感振動ヘッドホン |
US11039236B2 (en) | 2017-05-23 | 2021-06-15 | Nec Platforms, Ltd. | Ear pad and earphone using the same |
WO2020158802A1 (ja) * | 2019-01-29 | 2020-08-06 | 株式会社オーディオテクニカ | イヤピースおよびイヤホン |
JP7487940B2 (ja) | 2019-01-29 | 2024-05-21 | 株式会社オーディオテクニカ | イヤピースおよびイヤホン |
Also Published As
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EP2701399A1 (en) | 2014-02-26 |
EP2701399A4 (en) | 2014-12-17 |
EP2701399B1 (en) | 2017-08-09 |
JPWO2012144040A1 (ja) | 2014-07-28 |
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