CN105812977A - Telescopic rotary headset - Google Patents
Telescopic rotary headset Download PDFInfo
- Publication number
- CN105812977A CN105812977A CN201610209404.0A CN201610209404A CN105812977A CN 105812977 A CN105812977 A CN 105812977A CN 201610209404 A CN201610209404 A CN 201610209404A CN 105812977 A CN105812977 A CN 105812977A
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- Prior art keywords
- card
- bit part
- circumference
- support portion
- headband
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
The application discloses a telescopic rotary headset. The headset comprises a movable rod body equipped with ear muffles, a headband, and a movable clamping component, wherein the headband is provided with a telescopic slot and a telescopic clamping hole, the movable rod body is provided with a rotary shaft hole and a rotary clamping hole, a first clamping part, a second clamping part and a third clamping part in the movable clamping component are assembled through a rotary shaft body, and the rotary shaft body penetrates the rotary shaft hole and the telescopic slot; the fixed end of a first elastic contact component is fixed on the first/second clamping part, the free end is contacted with the rotary clamping hole in a movable switching mode, the fixed end of a second elastic contact component is fixed on the second/third clamping part, and the free end is contacted with the telescopic clamping hole in the movable switching mode. therefore, the movable rod can telescopically move along the telescopic slot and rotate along the rotary shaft body with respect to the headband, thereby enabling the people to adjust the wearing position of the ear muffles, and the satisfaction degree of using the headset is improved.
Description
Technical field
The application relates to audio frequency export technique field, particularly relates to a kind of telescopic rotary type earphone.
Background technology
At present, along with the raising of people's living standard, earphone, as the conventional accessory of electronic product, its lifting not only needing to consider tonequality, it is also contemplated that the comfort level worn.
Usual circumaural earphone generally comprises headband and is positioned at the earmuff at headband two ends, is assembled by stationary structure between earmuff and headband.When people need to put on earphone listen to music time, owing to the physiological conditions such as the auricle size of different people, size, position are different, it is necessary to people are from the wearing position of Row sum-equal matrix earmuff, to reach relatively comfortable degree, so, people use the satisfaction of earphone not high.
Summary of the invention
The application is intended to solve at least to a certain extent one of above-mentioned technical problem.
The application provides a kind of telescopic rotary type earphone, including:
It is equipped with the movable body of rod of earmuff；
Headband；And,
Active card hyte part,
Wherein,
Described headband offers telescopic chute and along the flexible screens hole being parallel to the described discrete laying of telescopic chute bearing of trend,
The described movable body of rod offers rotary shaft hole and the rotation screens hole along the first discrete laying of circumference,
Described active card hyte part includes: the first card-bit part in the external side of described motion bar, the second card-bit part between the described movable body of rod and described headband；And, it being positioned at the 3rd card-bit part outside described headband, assembled mutually by rotary shaft body between described first card-bit part, described second card-bit part and described 3rd card-bit part, described rotary shaft body runs through described rotary shaft hole and described telescopic chute,
Being provided with the first elastic assembly that abuts on described first card-bit part or described second card-bit part, the described first elastic fixing end abutting assembly is fixed on described first card-bit part or described second card-bit part, and free-end switching movable with described rotation screens hole abuts,
Being provided with the second elastic assembly that abuts on described second card-bit part or described 3rd card-bit part, the described second elastic fixing end abutting assembly is fixed on described second card-bit part or described 3rd card-bit part, and free-end switching movable with described flexible screens hole abuts.
Further, the described movable body of rod is further opened with the rotary stopper groove laid along the second circumference, described first circumference and described second circumference concentric,
Being provided with spill spin block on described first card-bit part or described second card-bit part, described spill spin block rotary movable formula is placed in described rotary stopper groove.
Further, described headband is further opened with being parallel to the slip stopper slot of described telescopic chute bearing of trend,
Being provided with sliding shoe on described second card-bit part or described 3rd card-bit part, described sliding shoe is slidably movable to be placed in described slip stopper slot.
Further, when described second card-bit part is provided with the described first elastic abutting assembly, described sliding shoe has for housing the described first elastic cavity abutting assembly.
Further, described first/second elasticity abuts assembly and includes: abut spring, and be arranged at the abutting ball of the free one end of described abutting spring or abut bullet, the radial direction full-size of described abutting ball or described abutting bullet is more than the size in described flexible screens hole or described rotation screens hole.
Further, described earphone also includes: stretch cord,
The position assembled mutually with described earmuff on the described movable body of rod has at least two stretch support portion, the position assembled mutually with the described movable body of rod on described earmuff has at least two extension section, described at least two of which, the distance between stretch support portion is more than the ultimate range between two described extension sections, and described stretch support portion is assembled by described stretch cord mutually with described extension section.
Further, described stretch support portion is centered around on the 3rd circumference, and described extension section is centered around on the 4th circumference, and described 3rd circle diameter is more than described 4th circle diameter.
Further, described stretch support portion is the first crozier being parallel to corresponding 3rd disc of described 3rd circumference, and described extension section is the second crozier being perpendicular to corresponding 4th disc of described 4th circumference, or,
Described stretch support portion is the first crozier being perpendicular to corresponding 3rd disc of described 3rd circumference, and described extension section is the second crozier being parallel to corresponding 4th disc of described 4th circumference.
Further, described stretch support portion is uniformly distributed on described 3rd circumference, and described extension section is uniformly distributed on described 4th circumference, or,
The described stretch support portion quantity that the described stretch support portion quantity that the non-homogeneous formula in described stretch support portion is distributed on described 3rd circumference and nearly described headband side is distributed is distributed further away from described headband side, the described extension section quantity that the described extension section quantity that the non-homogeneous formula of described extension section is distributed on described 4th circumference and nearly described headband side is distributed is distributed further away from described headband side.
Further, described earphone includes: stretch cord described at least one,
When described earphone includes a described stretch cord, described stretch cord is through all described stretch support portions and all described extension sections；When stretch cord quantity is equal with described stretch support portion/described extension section quantity, described stretch cord is through a described stretch support portion and a described extension section.
The application provides the benefit that:
By providing a kind of telescopic rotary type earphone, including: it is equipped with the movable body of rod of earmuff；Headband；And, active card hyte part, headband offers telescopic chute and flexible screens hole, the movable body of rod offers rotary shaft hole and rotates screens hole, the first card-bit part in active card hyte part, assembled mutually by rotary shaft body between second card-bit part and the 3rd card-bit part, rotary shaft body runs through rotary shaft hole and telescopic chute, the first elastic fixing end abutting assembly is fixed on first/second card-bit part, free-end abuts with rotating the movable switching in screens hole, the second elastic fixing end abutting assembly is fixed on the second/the 3rd card-bit part, free-end switching movable with flexible screens hole abuts.So, it may be achieved the movable body of rod relative headband stretching motion along telescopic chute and the rotary motion along rotary shaft body, so that people can carry out the adjustment of earmuff wearing position, the satisfaction using earphone is improved；And, the screens of the movable body of rod and headband is carried out stretching and rotary course abutting assembly by first/second elasticity, ensure after people put on earphone and carry out the adjustment of earmuff wearing position, position between earmuff and headband just can be made to be relatively fixed, ensure in earphone use procedure and do not have the change easily of position between earmuff and headband, further increase people and use the satisfaction of earphone.
Accompanying drawing explanation
Fig. 1 is the part isometric schematic diagram of the telescopic rotary type earphone of the embodiment of the present application one.
Fig. 2 is the decomposed schematic diagram of the telescopic rotary type earphone of the embodiment of the present application one.
Fig. 3 is the side view of the telescopic rotary type earphone of the embodiment of the present application one.
Fig. 4 is the AA line profile of Fig. 3.
Fig. 5 is the BB line profile of Fig. 3.
Detailed description of the invention
Being described below in detail embodiments herein, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining the application, and it is not intended that restriction to the application.
In the description of the present application, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is for only for ease of description the application and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to the application.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In the description of the present application, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In this application, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this application as the case may be.
In this application, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height less than second feature.
The application is described in further detail in conjunction with accompanying drawing below by detailed description of the invention.
Embodiment one:
As Figure 1-5, present embodiments provide a kind of telescopic rotary type earphone, including:
It is equipped with the movable body of rod 2 of earmuff 1；
Headband 3；And,
Active card hyte part 4,
Wherein,
Headband 3 offers telescopic chute 31 and along the flexible screens hole 32 being parallel to the telescopic chute 31 discrete laying of bearing of trend,
The movable body of rod 2 offers rotary shaft hole 21 and the rotation screens hole 22 along the first discrete laying of circumference,
Active card hyte part 4 includes: the first card-bit part 41 outside the movable body of rod 2, the second card-bit part 42 between the movable body of rod 2 and headband 3；And, it being positioned at the 3rd card-bit part 43 outside headband 3, by the assembling of rotary shaft body 44 phase between first card-bit part the 41, second card-bit part 42 and the 3rd card-bit part 43, rotary shaft body 44 runs through rotary shaft hole 21 and telescopic chute 31,
Being provided with the first elastic abutting assembly 45 on second card-bit part 42, the first elastic fixing end abutting assembly 45 is fixed on the second card-bit part 42, and free-end abuts with rotating the movable switching in screens hole 22,
Being provided with the second elastic abutting assembly 46 on 3rd card-bit part 43, the second elastic fixing end abutting assembly 46 is fixed on the 3rd card-bit part 43, and free-end switching movable with flexible screens hole 32 abuts.
So, it may be achieved the movable body of rod relative headband stretching motion along telescopic chute and the rotary motion along rotary shaft body, so that people can carry out the adjustment of earmuff wearing position, the satisfaction using earphone is improved；And, the screens of the movable body of rod and headband is carried out stretching and rotary course abutting assembly by first/second elasticity, ensure after people put on earphone and carry out the adjustment of earmuff wearing position, position between earmuff and headband just can be made to be relatively fixed, ensure in earphone use procedure and do not have the change easily of position between earmuff and headband, further increase people and use the satisfaction of earphone.
In the present embodiment, the movable body of rod 2 being further opened with the rotary stopper groove 23 laid along the second circumference, the first circumference and the second circumference concentric, and is provided with spill spin block 421 on the second card-bit part 42, spill spin block 421 rotary movable formula is placed in rotary stopper groove 23.
So, by the setting of rotary stopper groove 23 with spill spin block 421, it may be achieved the rotary moveable of the movable body of rod 2 is carried out spacing.
Headband 3 is further opened with being parallel to the slip stopper slot 33 of telescopic chute 31 bearing of trend, second card-bit part 42 is provided with sliding shoe 422, sliding shoe 422 is slidably movable to be placed in slip stopper slot 33, and, sliding shoe 422 has for housing the first elastic cavity abutting assembly 45.
So, by the setting of slip stopper slot 33 with sliding shoe 422, it may be achieved the telescopic movable of the movable body of rod 2 is carried out spacing.
First elastic abutting assembly 45 and the second elastic assembly 46 that abuts all include: abut spring 100, and be arranged at abut spring 100 dissociate one end abutting ball or abut bullet 200, abut ball or abut bullet 200 radial direction full-size more than flexible screens hole 32 or rotate screens hole 22 size.
It addition, in the present embodiment, earphone also includes: stretch cord 5,
The movable body of rod 2 has at least two stretch support portion 24 with the position of earmuff 1 phase assembling, in the present embodiment, stretch support portion 24 quantity is 8, but in other embodiments, stretch support portion 24 quantity is not limited only to this, earmuff 1 has at least two extension section 11 with the position of the movable body of rod 2 phase assembling, in the present embodiment, extension section 11 quantity is 8, but in other embodiments, extension section 11 quantity is not limited only to this, it is also not limited to identical with stretch support portion 24 quantity, distance between at least two of which stretch support portion 24 is more than the ultimate range between two extension sections 11, stretch support portion 24 and extension section 11 are by the assembling of stretch cord 5 phase.
So, when people put on earphone, stretch cord can make earmuff rotate relative to headband, make the size of earmuff self adaptation auricle, size and position, without people's wearing position from Row sum-equal matrix earmuff, it is possible to reach comfortable degree, thus improve people to use the satisfaction of earphone.
In the present embodiment, stretch support portion 24 is centered around on the 3rd circumference, and extension section 11 is centered around on the 4th circumference, and the 3rd circle diameter is more than the 4th circle diameter.
Stretch support portion 24 is the first crozier being parallel to corresponding 3rd disc of the 3rd circumference, and extension section 11 is the second crozier being perpendicular to corresponding 4th disc of the 4th circumference.
Stretch support portion 24 is uniformly distributed on the 3rd circumference, and extension section 11 is uniformly distributed on the 4th circumference.
Earphone includes a stretch cord 5, and stretch cord 5 is through all stretch support portions 24 and all extension sections 11.
Embodiment two:
The present embodiment essentially consists in above-described embodiment difference: in the present embodiment, first card-bit part 41 is provided with the first elastic abutting assembly 45, the first elastic fixing end abutting assembly 45 is fixed on the first card-bit part 41, and free-end abuts with rotating the movable switching in screens hole 22.
And the first card-bit part 41 is provided with spill spin block 421, spill spin block 421 rotary movable formula is placed in rotary stopper groove 23.
Embodiment three:
The present embodiment essentially consists in above-described embodiment difference: in the present embodiment, second card-bit part 42 is provided with the second elastic abutting assembly 46, the second elastic fixing end abutting assembly 46 is fixed on the second card-bit part 42, and free-end switching movable with flexible screens hole 32 abuts.
And the 3rd card-bit part 43 is provided with sliding shoe 422, sliding shoe 422 is slidably movable to be placed in slip stopper slot 33.
Embodiment four:
The present embodiment essentially consists in above-described embodiment difference: in the present embodiment, and stretch support portion 34 is the first crozier being perpendicular to corresponding 3rd disc of the 3rd circumference, and extension section 11 is the second crozier being parallel to corresponding 4th disc of the 4th circumference.
Embodiment five:
The present embodiment essentially consists in above-described embodiment difference: in the present embodiment, stretch support portion 24 quantity that stretch support portion 24 quantity that the non-homogeneous formula in stretch support portion 24 is distributed on the 3rd circumference and nearly headband 3 side is distributed is distributed further away from headband 3 side, extension section 11 quantity that extension section 11 quantity that the non-homogeneous formula of extension section 11 is distributed on the 4th circumference and nearly headband 3 side is distributed is distributed further away from headband 3 side.
So, can make headband 3 that earmuff 1 produces good carrying effect.
Embodiment six:
The present embodiment essentially consists in above-described embodiment difference: in the present embodiment, when stretch cord 5 quantity is equal with stretch support portion 24 or extension section 11 quantity, stretch cord 5 is through a stretch support portion 24 and an extension section 11.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the application.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Above content is further description the application made in conjunction with specific embodiment, it is impossible to assert the application be embodied as be confined to these explanations.For the application person of an ordinary skill in the technical field, under the premise conceived without departing from the application, it is also possible to make some simple deduction or replace.
Claims (10)
1. a telescopic rotary type earphone, it is characterised in that including:
It is equipped with the movable body of rod of earmuff；
Headband；And,
Active card hyte part,
Wherein,
Described headband offers telescopic chute and along the flexible screens hole being parallel to the described discrete laying of telescopic chute bearing of trend,
The described movable body of rod offers rotary shaft hole and the rotation screens hole along the first discrete laying of circumference,
Described active card hyte part includes: the first card-bit part in the external side of described motion bar, the second card-bit part between the described movable body of rod and described headband；And, it being positioned at the 3rd card-bit part outside described headband, assembled mutually by rotary shaft body between described first card-bit part, described second card-bit part and described 3rd card-bit part, described rotary shaft body runs through described rotary shaft hole and described telescopic chute,
Being provided with the first elastic assembly that abuts on described first card-bit part or described second card-bit part, the described first elastic fixing end abutting assembly is fixed on described first card-bit part or described second card-bit part, and free-end switching movable with described rotation screens hole abuts,
Being provided with the second elastic assembly that abuts on described second card-bit part or described 3rd card-bit part, the described second elastic fixing end abutting assembly is fixed on described second card-bit part or described 3rd card-bit part, and free-end switching movable with described flexible screens hole abuts.
2. telescopic rotary type earphone as claimed in claim 1, it is characterised in that be further opened with the rotary stopper groove laid along the second circumference, described first circumference and described second circumference concentric on the described movable body of rod,
Being provided with spill spin block on described first card-bit part or described second card-bit part, described spill spin block rotary movable formula is placed in described rotary stopper groove.
3. telescopic rotary type earphone as claimed in claim 1, it is characterised in that be further opened with being parallel to the slip stopper slot of described telescopic chute bearing of trend on described headband,
Being provided with sliding shoe on described second card-bit part or described 3rd card-bit part, described sliding shoe is slidably movable to be placed in described slip stopper slot.
4. telescopic rotary type earphone as claimed in claim 3, it is characterised in that when being provided with the described first elastic abutting assembly on described second card-bit part, has in described sliding shoe for housing the described first elastic cavity abutting assembly.
5. telescopic rotary type earphone as claimed in claim 1, it is characterized in that, described first/second elasticity abuts assembly and includes: abut spring, and be arranged at the abutting ball of the free one end of described abutting spring or abut bullet, the radial direction full-size of described abutting ball or described abutting bullet is more than the size in described flexible screens hole or described rotation screens hole.
6. the telescopic rotary type earphone as according to any one of claim 1-5, it is characterised in that described earphone also includes: stretch cord,
The position assembled mutually with described earmuff on the described movable body of rod has at least two stretch support portion, the position assembled mutually with the described movable body of rod on described earmuff has at least two extension section, described at least two of which, the distance between stretch support portion is more than the ultimate range between two described extension sections, and described stretch support portion is assembled by described stretch cord mutually with described extension section.
7. telescopic rotary type earphone as claimed in claim 6, it is characterised in that described stretch support portion is centered around on the 3rd circumference, and described extension section is centered around on the 4th circumference, and described 3rd circle diameter is more than described 4th circle diameter.
8. telescopic rotary type earphone as claimed in claim 7, it is characterized in that, described stretch support portion is the first crozier being parallel to corresponding 3rd disc of described 3rd circumference, and described extension section is the second crozier being perpendicular to corresponding 4th disc of described 4th circumference, or
Described stretch support portion is the first crozier being perpendicular to corresponding 3rd disc of described 3rd circumference, and described extension section is the second crozier being parallel to corresponding 4th disc of described 4th circumference.
9. telescopic rotary type earphone as claimed in claim 7, it is characterised in that described stretch support portion is uniformly distributed on described 3rd circumference, and described extension section is uniformly distributed on described 4th circumference, or,
The described stretch support portion quantity that the described stretch support portion quantity that the non-homogeneous formula in described stretch support portion is distributed on described 3rd circumference and nearly described headband side is distributed is distributed further away from described headband side, the described extension section quantity that the described extension section quantity that the non-homogeneous formula of described extension section is distributed on described 4th circumference and nearly described headband side is distributed is distributed further away from described headband side.
10. telescopic rotary type earphone as claimed in claim 6, it is characterised in that described earphone includes: stretch cord described at least one,
When described earphone includes a described stretch cord, described stretch cord is through all described stretch support portions and all described extension sections；When stretch cord quantity is equal with described stretch support portion/described extension section quantity, described stretch cord is through a described stretch support portion and a described extension section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209404.0A CN105812977B (en) | 2016-04-06 | 2016-04-06 | Telescopic rotary type earphone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610209404.0A CN105812977B (en) | 2016-04-06 | 2016-04-06 | Telescopic rotary type earphone |
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| CN105812977A true CN105812977A (en) | 2016-07-27 |
| CN105812977B CN105812977B (en) | 2019-03-15 |
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| CN201610209404.0A Active CN105812977B (en) | 2016-04-06 | 2016-04-06 | Telescopic rotary type earphone |
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| CN106899909A (en) * | 2017-04-25 | 2017-06-27 | 杭州双弯月电子科技有限公司 | Osteoacusis earmuff earphone |
| 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 |
| US11134328B2 (en) | 2017-11-20 | 2021-09-28 | Apple Inc. | Headphones with magnetic sensor |
| US11252492B2 (en) | 2017-11-20 | 2022-02-15 | Apple Inc. | Headphones with removable earpieces |
| 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 |
| US11985462B2 (en) | 2018-04-02 | 2024-05-14 | Apple Inc. | Headphones |
| WO2020087460A1 (en) * | 2018-10-29 | 2020-05-07 | 声电电子科技(惠州)有限公司 | Structure capable of adjusting position and angle of ear housing |
| CN110881151A (en) * | 2019-10-24 | 2020-03-13 | 歌尔股份有限公司 | Clamping force adjustable headset |
| CN110769344A (en) * | 2019-10-31 | 2020-02-07 | 歌尔科技有限公司 | Headset pulling structure and headset |
| CN110769344B (en) * | 2019-10-31 | 2021-03-19 | 歌尔科技有限公司 | Headset pulling structure and headset |
| CN111385703A (en) * | 2020-04-14 | 2020-07-07 | 天键电声股份有限公司 | Rotary telescopic folding earphone |
| CN111385702A (en) * | 2020-04-14 | 2020-07-07 | 天键电声股份有限公司 | Rotary folding earphone |
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|---|---|
| CN105812977B (en) | 2019-03-15 |
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