CN103945295A - Headphone - Google Patents
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- Publication number
- CN103945295A CN103945295A CN201410121141.9A CN201410121141A CN103945295A CN 103945295 A CN103945295 A CN 103945295A CN 201410121141 A CN201410121141 A CN 201410121141A CN 103945295 A CN103945295 A CN 103945295A
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- China
- Prior art keywords
- rotating shaft
- main body
- hinge
- axle center
- upper bracket
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a headphone. The headphone comprises a head-mounted body, hanging rack bodies, hinge bodies, ear cup bodies and earcap bodies, wherein the hinge bodies are arranged at the two ends of the head-mounted body and used for being connected with the hanging rack bodies, the ear cup bodies are connected with the hanging rack bodies, and the earcap bodies are arranged on the ear cup bodies. Each hinge body comprises a hinge rotary shaft and a hinge sealing sleeve, wherein the hinge rotary shaft is sleeved with the hinge sealing sleeve. Each hinge rotary shaft comprises a shaft core, a compression spring, a friction plate, a rotary shaft lower support, a rotary shaft upper support and a fixing screw, wherein the rotary shaft lower support is connected with the corresponding hanging rack body, the rotary shaft upper support is connected with the head-mounted body, and the fixing screw is matched with the shaft core; the upper end of the shaft core is connected with the compression spring, the friction plate and the rotary shaft lower support sequentially in a sleeved mode, the shaft core is detachably connected to the rotary shaft upper support through the fixing screw, and the compression spring, the friction plate and the rotary shaft lower support abut against one another and can all rotate around the shaft core. Compared with the prior art, the headphone has the advantages that the ear cup bodies rotate around the shaft cores, certain friction damping exists between the ear cup bodies and the shaft cores, and after a user puts on the headphone, the earcap bodies can be well attached to the face of the user.
Description
Technical field
The present invention relates to a kind of headphone, relate in particular to the headphone of the adjustable damping size of a kind of user.
Background technology
At present, being seen headphone on the market, when user uses, ear muff main body directly covers the outside and direct extruding face of ear, the adjusting that user rotates ear cup in use, to coordinate and the laminating of user's appearance, but ear muff main body can not keep the laminating degree with face laminating for a long time, especially when user is during in activity, more can not keep ear muff main body effectively and face is fitted; Long-time while using this kind of headphone, people's ear and face can be felt because be squeezed for a long time pain or uncomfortable etc.
Summary of the invention
The present invention relates to a kind of headphone, relate in particular to a kind of headphone of adjustable damping size.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of headphone, comprise headband main body, hanger main body, be arranged at described headband main body two ends for the ear cup main body that connects the hinge body of described hanger main body, be connected with described hanger main body and the ear muff main body that is assemblied in ear cup main body, described hinge body comprises hinge rotating shaft and is socketed on the hinge big envelope of described hinge rotating shaft, one end of described hinge rotating shaft is connected with described headband main body, and the other end of described rotating assembly is connected with described hanger main body; Described hinge rotating shaft comprises axle center, Compress Spring, friction plate, the rotating shaft lower carriage being connected with described hanger main body and the rotating shaft upper bracket being connected with described headband main body; The upper end in described axle center is socketed with described Compress Spring, described friction plate and described rotating shaft lower carriage successively, and is connected in described rotating shaft upper bracket, described Compress Spring, described friction plate and the mutual butt of described rotating shaft lower carriage and all can be around the rotation of described axle center; Described hinge rotating shaft also comprises a threaded hold-down screw, and one end that described rotating shaft upper bracket is inserted in described axle center is provided with corresponding screw, and described axle center removably connects by described hold-down screw and described rotating shaft upper bracket.
Preferably, on described rotating shaft upper bracket, be provided with the first installing hole, described the first installing hole is for being fixedly connected with described headband main body with described hinge body.
Preferably, on described rotating shaft upper bracket, be provided with the location hole that inserts and locate for described axle center, by described hold-down screw, described axle center be connected with described upper bracket.
Preferably, on described rotating shaft lower carriage, be provided with the second installing hole, described the second installing hole is for being fixedly connected with described hanger main body with described hinge body.
Preferably, described headband main body two ends are provided with the slide unit being fixedly connected with described hinge body.
Preferably, described hanger main body comprises hanger big envelope, and described hanger big envelope is fixedly connected with described rotating shaft lower carriage.
Preferably, the lower end in described axle center is provided with step, and for described Compress Spring, described friction plate and described rotating shaft lower carriage, in the location of axis direction, described Compress Spring is connected to described step.Wherein, described Compress Spring is according to Hooke's law F=kx, k is coefficient of elasticity, wherein spring dynamics F is directly proportional to its decrement x, can realize the change of damping due to rotation by changing the decrement of Compress Spring, can there is the Compress Spring of different reduction lengths and Compress Spring that unlike material is made changes spring dynamics F by selecting in addition.
Preferably, described rotating shaft lower carriage is provided with the boss of certain arc length towards a side of described rotating shaft upper bracket, and described rotating shaft upper bracket is provided with stop section towards a side of described rotating shaft lower carriage, and described boss rotates to being connected to described stop section around described axle center.
Preferably, described friction plate can be set to the waveform parts of annular flat part or annular.
Beneficial effect of the present invention: adjustable damping size headphone with respect to prior art, by Compress Spring being set in hinge rotating shaft, when hanger main body is rotated with respect to headband main body, there is certain damping between the two, can make user well fit wearing the shape of face of ear muff main body and user after this headphone, and there is suitable laminating comfort level, in addition, axle center in the present invention removably connects by hold-down screw and rotating shaft upper bracket, which can realize the adjusting of user oneself to damping due to rotation size, make hanger main body in the time that headband main body is rotated, there is location more accurately, make can better fit user's shape of face of ear muff main body, make it have the comfort level of more suitably fitting, the present invention, can relative positioning between headband main body and ear cup main body in the time not using, and can arbitrarily relatively not rotate, and can effectively protect other annexes such as earphone cord that connect ear cup main body.
Brief description of the drawings
Fig. 1, structural representation of the present invention;
The conjunctive decomposition schematic diagram of Fig. 2, hinge body of the present invention;
The structural representation of Fig. 3, hinge rotating shaft of the present invention;
The STRUCTURE DECOMPOSITION schematic diagram of Fig. 4, hinge rotating shaft of the present invention;
Fig. 5, the present invention are along the generalized section of A-A line;
Wherein hinge body-1, hinge rotating shaft-11, hinge big envelope-10, Compress Spring-111, axle center-112, step-112a, screw-112b, friction plate-113, rotating shaft lower carriage-114, projection-114a, the first through hole-114b, the second installing hole-114c, rotating shaft upper bracket-115, stop section-115a, the first location hole-115b, the first installing hole-115c, hold-down screw-116, headband main body-2, slide unit-21, mount pad-211, hanger main body-3, hanger big envelope-31, the second location hole-311, the second through hole-312, ear cup main body-32, ear muff main body-33.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As depicted in figs. 1 and 2, headphone of the present invention, comprise headband main body 2, be connected in the hanger main body 3 at headband main body 2 two ends, the ear cup main body 32 being connected with hanger main body 3 and the ear muff main body 33 that is assemblied in ear cup main body 32, ear muff main body 33 is socketed on ear cup main body 32, the two ends of headband main body 2 are provided with the rotatable hinge rotating shaft 11 for connection suspension frame body 3, by hinge rotating shaft 11, headband main body 2 is connected with hanger main body 3, so that hanger main body 3 can be rotated relative to headband main body 2, ear muff main body 33 is rotated with the rotation of hanger main body 3 with ear cup main body 32.For making this headphone attractive in appearance, also be provided with hinge big envelope 10, be connected in hinge rotating shaft 11, hinge big envelope 10 forms hinge body 1 with hinge rotating shaft 11, hinge body 1 and headband main body 2 and hanger main body 3 structure that is connected to form one, and when hanger main body 3 is rotated relative to headband main body 2, hinge big envelope 10 can not affect the motion of hinge rotating shaft 11.
Headband main body 2 comprises headband and is arranged at slidably the slide unit 21 at headband two ends, slide unit 21 is connected with hinge rotating shaft 11, the lower end of slide unit 21 is provided with the mount pad 211 being connected with hinge rotating shaft 11, so that mount pad 211 is inserted and is positioned in hinge rotating shaft 11; Can move up and down by the slip of slide unit 21 relative headbands, drive hinge rotating shaft 11 relative headbands thus, and then drive the relative headband of hanger main body 3 to slide, finally make the relative headband main body 2 of ear cup main body 32 slide up and down, make headphone in use ear muff main body 33 more fit user, use more comfortable; The upper end of hanger main body 3 is provided with a hanger big envelope 31 for being connected with hinge rotating shaft 11, and hanger big envelope 31 is connected with hinge rotating shaft 11 by the second through hole 312 disposed thereon and the second location hole 311 is located with hinge rotating shaft 11.
As shown in Figure 3 and Figure 4, hinge rotating shaft 11 comprises axle center 112, Compress Spring 111, friction plate 113, rotating shaft lower carriage 114 and rotating shaft upper bracket 115 and hold-down screw 116, Compress Spring 111 is socketed on axle center 112, the one end in axle center 112 is connected with rotating shaft upper bracket 115, the other end in axle center 112 is formed with a step 112a, the second location hole 311 of offering on the hanger big envelope 31 of hanger main body 3 can be inserted and be positioned in axle center 112, make hanger main body 3 be articulated in axle center 112 and can rotate around axle center 112, one end of Compress Spring 111 and friction plate 113 butts, the other end of Compress Spring 111 and step 112a connect.
It is the installation in order to facilitate hinge rotating shaft 11 that rotating shaft upper bracket 115 and rotating shaft lower carriage 114 arrange, rotating shaft upper bracket 115 is for being connected with the mount pad 211 on slide unit 21, on rotating shaft upper bracket 115, be provided with the first location hole 115b that inserts and locate for axle center 112, the first location hole 115b is for being connected with axle center 112, by tool control, axle center 112 is inserted into the first location hole 115b, itself and rotating shaft upper bracket 115 are connected together, one end that rotating shaft upper bracket 115 is inserted in axle center 112 is provided with corresponding screw 112b, after the elasticity stable of Compress Spring 111, by coordinating of hold-down screw 116 and screw 112, realizing axle center 112 removably connects with rotating shaft upper bracket 115.On rotating shaft upper bracket 115, be also provided with the first installing hole 115c for being fixedly connected with mount pad 211, can through the first installing hole 115c, rotating shaft upper bracket 115 be fixed on mount pad 211 by screw, pin etc.; Rotating shaft lower carriage 114 is connected in hanger main body 3 upper ends, which is provided with the first through hole 114b of passing for axle center 112 and the second installing hole 114c corresponding to the second through hole 312 of hanger big envelope 31, can select equally screw, pin etc. by the second through hole 312 together with the second through hole 114c cross-under, in order to hanger big envelope 31 and rotating shaft lower carriage 114 are fixed together, realize being connected of rotating shaft lower carriage 114 and hanger main body 3; Can realize rotating shaft upper bracket 115 by above structure and be connected with the slide unit 21 in headband main body 2 with rotating shaft lower carriage 114 and be connected with the hanger big envelope 31 in hanger main body 3, make headband main body 2 and the counterrotating more convenient operation of hanger main body 3.
Rotating shaft upper bracket 115 is connected to rotating shaft lower carriage 114, one end elasticity of Compress Spring 111 is connected to friction plate 113, friction plate 113 butt rotating shaft lower carriages 114, the other end elasticity of Compress Spring 111 is connected to step 112a, form the damping of hanger main body 3 in the time that axle center 112 rotates, and insert in axle center 112 and be positioned the first location hole 115b, by coordinating of hold-down screw 116 and screw 112b, realize removably connecting of axle center 112 and rotating shaft upper bracket 115.Be specially as in Figure 3-5, rotating shaft upper bracket 115 is provided with a threaded hold-down screw 116, one end that the second installing hole 115b is inserted in axle center 112 is provided with screw 112b accordingly, by tool control, axle center 112 and rotating shaft upper bracket 115 are connected together, hold-down screw 116 is pegged graft and rotate into screw 112b, Compress Spring 111 is compressed in after a certain deformation length, the mode that adopts screw to connect is connected axle center 112 with upper bracket 115, can regulate as required the degree of depth that coordinates of hold-down screw 116 and screw 112b by above connected mode user, in order to regulate the deformation of Compress Spring 111, and then the damping due to rotation of change hanger main body 3 in the time that headband main body 2 is rotated.By selecting this kind of dismountable mode to regulate the elastic force of Compress Spring 111, the degree of depth of utilizing hold-down screw 116 to fit into screw 112b regulates the compressive deformation of Compress Spring 111, and then regulate the damping due to rotation between headband main body 2 and hanger main body 31, this damping due to rotation can need to be made adjusting to it voluntarily according to user, meets user's different needs.Specific implementation is: in the time that user need to regulate damping due to rotation, take off hinge big envelope 10, reach the needed damping due to rotation dynamics of user self by the decrement of 116 batches of whole Compress Springs of key of hold-down screw.Damping due to rotation in the present embodiment can be according to the Hooke's law F=kx of Compress Spring 111, k is coefficient of elasticity, wherein spring dynamics F is directly proportional to its decrement x, can realize the change of damping due to rotation by changing the decrement of Compress Spring 111, can there is the Compress Spring 111 of different reduction lengths and Compress Spring 111 that unlike material is made changes spring dynamics F by selecting in addition.
As in Figure 3-5, hanger main body 3 is in the time that headband main body 2 is rotated, consider actual needs, only the anglec of rotation of hanger main body 3 relative headband main bodys 2 need be less than to 180 °, or select to be more accurately less than 90 °, one side that can be connected to rotating shaft lower carriage 114 in rotating shaft upper bracket 115 at this arranges stop section 115a, the side that rotating shaft lower carriage 114 is connected to rotating shaft upper bracket 115 arranges the projection 114a of certain arc length accordingly, the raised step that stop section 115a in the present embodiment is semi-annular shape, projection 114a rotates around axle center 112, and another relative semi-circumference of the raised step that its rotate path is semi-annular shape, the stop section 115a that rotates to be of projection 114a limits, the anglec of rotation of rotating shaft upper bracket 115 phase countershaft lower carriages 114 is defined, its anglec of rotation is less than or equal to 90 ° or 180 °, and then the relative headband main body 2 of hanger main body 3 is defined in the anglec of rotation, can there is not the phenomenon of earphone cord from being wound, equally also stop section 115a can be arranged to rotating shaft lower carriage 114, stop section 115a is set to other and has the raised step of barrier effect, and projection 114a is set accordingly on rotating shaft upper bracket 115, can realize this function.
For making hanger main body 3 there is preferably feel in the time that axle center 112 rotates, hinge rotating shaft 11 also arranges friction plate 113 between rotating shaft lower carriage 114 and Compress Spring 111, friction plate 113 is socketed on axle center 112, the waveform parts that can be set to annular flat part or annular, friction plate 113 is specially annular flat ferric piece in this embodiment.
The headphone of above structure in use hanger main body 3 can rotate freely with respect to headband main body 2, the existence of Compress Spring 111 can make hanger main body 3 in the time that headband main body 2 is rotated, produce damping, so that ear muff main body 33 is fitted, wearer's shape of face and relative headband 2 are located, can directly not push wearer's ear, wear comfortable and meet ergonomics, use at the volley also can well fit wearer's face of ear muff main body 33, can arbitrarily there are not displacement or rotation etc. in its hanger main body 3, can too not push face; And hold-down screw 116 can be realized the adjusting of user oneself to damping due to rotation size with the fit system of screw 112b, make hanger main body 3 in the time that headband main body 2 is rotated, there is location more accurately, make can better fit user's shape of face of ear muff main body 33, make it have the comfort level of more suitably fitting.
Above-described embodiment, is preferred embodiment of the present invention, is not used for limiting the scope of the present invention, and the equivalence of being done with the structure described in the claims in the present invention, feature and principle therefore all changes or modifies, within all should being included in the claims in the present invention scope.
Claims (9)
1. a headphone, comprise headband main body, hanger main body, be arranged at described headband main body two ends for the ear cup main body that connects the hinge body of described hanger main body, be connected with described hanger main body and the ear muff main body that is assemblied in ear cup main body, it is characterized in that:
Described hinge body comprises hinge rotating shaft and is socketed on the hinge big envelope of described hinge rotating shaft, and one end of described hinge rotating shaft is connected with described headband main body, and the other end of described rotating assembly is connected with described hanger main body; Described hinge rotating shaft comprises axle center, Compress Spring, friction plate, the rotating shaft lower carriage being connected with described hanger main body and the rotating shaft upper bracket being connected with described headband main body; The upper end in described axle center is socketed with described Compress Spring, described friction plate and described rotating shaft lower carriage successively, and is connected in described rotating shaft upper bracket, described Compress Spring, described friction plate and the mutual butt of described rotating shaft lower carriage and all can be around the rotation of described axle center; Described hinge rotating shaft also comprises a threaded hold-down screw, and one end that described rotating shaft upper bracket is inserted in described axle center is provided with corresponding screw, and described axle center is connected with described rotating shaft upper bracket by described hold-down screw.
2. headphone according to claim 1, is characterized in that: on described rotating shaft upper bracket, be provided with the first installing hole, described the first installing hole is for being fixedly connected with described headband main body with described hinge body.
3. headphone according to claim 1, is characterized in that: on described rotating shaft upper bracket, be provided with the location hole that inserts and locate for described axle center, by described hold-down screw, described axle center and described upper bracket removably connected.
4. headphone according to claim 1, is characterized in that: on described rotating shaft lower carriage, be provided with the second installing hole, described the second installing hole is for being fixedly connected with described hanger main body with described hinge body.
5. headphone according to claim 1, is characterized in that: described headband main body two ends are provided with the slide unit being fixedly connected with described hinge body.
6. headphone according to claim 1, is characterized in that: described hanger main body comprises hanger big envelope, and described hanger big envelope is fixedly connected with described rotating shaft lower carriage.
7. headphone according to claim 1, is characterized in that: the lower end in described axle center is provided with step, and for described Compress Spring, described friction plate and described rotating shaft lower carriage, in the location of axis direction, described Compress Spring is connected to described step.
8. headphone according to claim 1, it is characterized in that: described rotating shaft lower carriage is provided with the boss of certain arc length towards a side of described rotating shaft upper bracket, described rotating shaft upper bracket is provided with stop section towards a side of described rotating shaft lower carriage, and described boss rotates to being connected to described stop section around described axle center.
9. headphone according to claim 1, is characterized in that: described friction plate can be set to the waveform parts of annular flat part or annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121141.9A CN103945295A (en) | 2014-03-27 | 2014-03-27 | Headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121141.9A CN103945295A (en) | 2014-03-27 | 2014-03-27 | Headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103945295A true CN103945295A (en) | 2014-07-23 |
Family
ID=51192736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410121141.9A Pending CN103945295A (en) | 2014-03-27 | 2014-03-27 | Headphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103945295A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412741A (en) * | 2016-09-19 | 2017-02-15 | 歌尔科技有限公司 | Head-wearing device capable of automatically adapting to human ear angle and headphone |
| WO2018057907A1 (en) * | 2016-09-23 | 2018-03-29 | Inserio Technology Llc | Headphones |
| CN109936788A (en) * | 2017-12-19 | 2019-06-25 | 深圳市冠旭电子股份有限公司 | Support arm stretching structure and earphone |
| US10945076B2 (en) | 2016-09-23 | 2021-03-09 | Apple Inc. | Low spring-rate band |
| US11102567B2 (en) | 2016-09-23 | 2021-08-24 | Apple Inc. | Foldable headphones |
| US11134327B2 (en) | 2017-11-20 | 2021-09-28 | Apple Inc. | Headphones with telescoping stem assembly |
| US11323793B2 (en) | 2016-09-23 | 2022-05-03 | Apple Inc. | Synchronized telescoping headphones |
| CN114449399A (en) * | 2021-12-31 | 2022-05-06 | 安徽金河电子科技有限公司 | Head-wearing earphone |
| US11985462B2 (en) | 2018-04-02 | 2024-05-14 | Apple Inc. | Headphones |
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| CN202218374U (en) * | 2011-09-02 | 2012-05-09 | 东莞市金润和电子实业有限公司 | Headphone with improved structure |
| US20120140388A1 (en) * | 2010-12-01 | 2012-06-07 | Samsung Electronics Co., Ltd. | Swivel hinge apparatus for an electronic device |
| CN102777487A (en) * | 2012-08-08 | 2012-11-14 | 摩尔菲（深圳）科技开发有限公司 | Rotating shaft with damping system |
| CN203813929U (en) * | 2014-03-27 | 2014-09-03 | 广东欧珀移动通信有限公司 | Headphone |
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| WO2010008829A1 (en) * | 2008-06-23 | 2010-01-21 | Koss Corporation | Soft-opening hinge and headphone set including same |
| US20120140388A1 (en) * | 2010-12-01 | 2012-06-07 | Samsung Electronics Co., Ltd. | Swivel hinge apparatus for an electronic device |
| CN202218374U (en) * | 2011-09-02 | 2012-05-09 | 东莞市金润和电子实业有限公司 | Headphone with improved structure |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412741A (en) * | 2016-09-19 | 2017-02-15 | 歌尔科技有限公司 | Head-wearing device capable of automatically adapting to human ear angle and headphone |
| CN106412741B (en) * | 2016-09-19 | 2022-11-15 | 歌尔科技有限公司 | Headset capable of automatically adapting to angle of human ear and headset |
| US11477575B2 (en) | 2016-09-23 | 2022-10-18 | Apple Inc. | Headphones |
| US11323793B2 (en) | 2016-09-23 | 2022-05-03 | Apple Inc. | Synchronized telescoping headphones |
| US10945076B2 (en) | 2016-09-23 | 2021-03-09 | Apple Inc. | Low spring-rate band |
| US11102567B2 (en) | 2016-09-23 | 2021-08-24 | Apple Inc. | Foldable headphones |
| US11570549B2 (en) | 2016-09-23 | 2023-01-31 | Apple Inc. | Headphones |
| US10848847B2 (en) | 2016-09-23 | 2020-11-24 | Apple Inc. | Off-center pivoting earpiece |
| US11184695B2 (en) | 2016-09-23 | 2021-11-23 | Apple Inc. | Automatic left/right earpiece determination |
| WO2018057907A1 (en) * | 2016-09-23 | 2018-03-29 | Inserio Technology Llc | Headphones |
| US11330354B2 (en) | 2016-09-23 | 2022-05-10 | Apple Inc. | Off-center pivoting earpiece |
| US11134328B2 (en) | 2017-11-20 | 2021-09-28 | Apple Inc. | Headphones with magnetic sensor |
| US11259107B2 (en) | 2017-11-20 | 2022-02-22 | Apple Inc. | Headphone earpads with textile layer having a low porosity region |
| US11375306B2 (en) | 2017-11-20 | 2022-06-28 | Apple Inc. | Headphones with increased back volume |
| US11252492B2 (en) | 2017-11-20 | 2022-02-15 | Apple Inc. | Headphones with removable earpieces |
| US11134327B2 (en) | 2017-11-20 | 2021-09-28 | Apple Inc. | Headphones with telescoping stem assembly |
| US11700471B2 (en) | 2017-11-20 | 2023-07-11 | Apple Inc. | Headphones with an anti-buckling assembly |
| US11985463B2 (en) | 2017-11-20 | 2024-05-14 | Apple Inc. | Headphones with increased back volume |
| CN109936788A (en) * | 2017-12-19 | 2019-06-25 | 深圳市冠旭电子股份有限公司 | Support arm stretching structure and earphone |
| US11985462B2 (en) | 2018-04-02 | 2024-05-14 | Apple Inc. | Headphones |
| CN114449399A (en) * | 2021-12-31 | 2022-05-06 | 安徽金河电子科技有限公司 | Head-wearing earphone |
| CN114449399B (en) * | 2021-12-31 | 2024-06-14 | 安徽金河电子科技有限公司 | Headset |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140723 |
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| RJ01 | Rejection of invention patent application after publication |