CN113301475A - Sealed dustproof earphone - Google Patents
Sealed dustproof earphone Download PDFInfo
- Publication number
- CN113301475A CN113301475A CN202110853219.6A CN202110853219A CN113301475A CN 113301475 A CN113301475 A CN 113301475A CN 202110853219 A CN202110853219 A CN 202110853219A CN 113301475 A CN113301475 A CN 113301475A
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- earphone
- flexible layer
- groove
- magnetic stripe
- cavity
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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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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a sealed dustproof earphone which comprises a head beam, a first earphone and a second earphone, wherein the first earphone and the second earphone are respectively connected with the head beam in a sliding mode through elastic inserting strips, a first cavity and a second cavity are respectively arranged on two sides of the interior of the head beam, a first winding shaft is rotatably connected to the inner side of the first cavity, two ends of the first winding shaft are fixedly connected with the inner wall of the first cavity through a first socket spring, and a first flexible layer is wound on the first winding shaft. According to the invention, the first flexible layer and the second flexible layer are pulled out through the first magnetic strip and the second magnetic strip, the first earphone and the second earphone after being turned over are wrapped, and the first magnetic strip and the second magnetic strip are adsorbed and fixed, so that the stability of the first flexible layer and the second flexible layer after being pulled out is ensured, the first earphone and the second earphone are protected, and the first earphone and the second earphone are prevented from being polluted in the storage process.
Description
Technical Field
The invention belongs to the technical field of earphone equipment, and particularly relates to a sealed dustproof earphone.
Background
The headphone is the present comparatively common earphone type, and this type of earphone volume is great, relies on the cushion at the earphone medial surface to wrap up the ear, has reduced the interference of external noise to the travelling comfort that the earphone used has been improved.
However, since the volume of the headset is large, in order to prevent the headset from being contaminated, the storage of the headset becomes a problem in actual use, and a separate storage bag is often required to store the headset, which directly affects the convenience of the use of the headset.
Disclosure of Invention
In view of the above problems, the present invention provides a sealed dustproof earphone to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a sealed dustproof earphone comprises a head beam, a first earphone and a second earphone, wherein the first earphone and the second earphone are respectively connected with the head beam in a sliding mode through elastic insertion strips, a first cavity and a second cavity are respectively arranged on two sides of the interior of the head beam, a first winding shaft is rotatably connected to the inner side of the first cavity, two ends of the first winding shaft are fixedly connected with the inner wall of the first cavity through a first socket spring, a first flexible layer is wound on the first winding shaft, a second winding shaft is rotatably connected to the inner side of the second cavity, two ends of the second winding shaft are fixedly connected with the inner wall of the second cavity through a second socket spring, a second flexible layer is wound on the second winding shaft, sliding grooves are respectively formed in two sides of the head beam, the first flexible layer and the second flexible layer respectively penetrate through the sliding grooves and extend out, a first magnetic strip is fixedly connected to one side, far away from the first winding shaft, of the first flexible layer, one side that the second winding axle was kept away from to the second flexible layer is fixed to be linked with the second magnetic stripe, first flexible layer with the second flexible layer parcel is connected through first magnetic stripe and second magnetic stripe absorption behind first earphone and second earphone side.
Through adopting above-mentioned technical scheme, when the in-service use, inwards overturn first earphone and second earphone, and pulling first magnetic stripe and second magnetic stripe remove, pull out first flexible layer and second flexible layer through first magnetic stripe and second magnetic stripe, wrap up first earphone and second earphone after the upset, and adsorb fixedly between first magnetic stripe and the second magnetic stripe, guarantee the stability after first flexible layer and the flexible layer of second are pulled out, protect first earphone and second earphone with this, avoid first earphone and second earphone to receive the pollution depositing the in-process.
Preferably, the first and second liquid crystal materials are,
all install solid fixed ring on first earphone and the second earphone, gu be equipped with on the fixed ring with the head roof beam corresponds the draw-in groove, first earphone with the second earphone rotates to head roof beam one side and blocks the head roof beam into the draw-in groove.
Preferably, the first and second liquid crystal materials are,
the earphone comprises a head beam, wherein clamping grooves are formed in one sides, close to earphones, of the two ends of the head beam, the first earphones and the second earphones are clamped into the clamping grooves after the second earphones rotate, magnets are arranged at positions, corresponding to the clamping grooves, of the head beam, and a magnetic metal sheet is arranged at the bottom of the clamping grooves.
Through adopting above-mentioned technical scheme, when in-service use, can rotate simultaneously to first earphone and second earphone to first roof beam one side, go into the draw-in groove on first earphone and the second earphone with first roof beam card to through the cooperation of magnet and the relative magnetism sheetmetal, improved the stability that the draw-in groove was gone into to first roof beam card.
Preferably, the first and second liquid crystal materials are,
one side of the fixing ring, which is close to the middle of the head beam, is provided with an annular groove, and the annular groove is communicated with the edge of the sliding groove when the head beam is clamped into the clamping groove.
Through adopting above-mentioned technical scheme, when the in-service use, can dock sliding tray and ring channel cooperation to this makes first flexible layer and second flexible layer when being pulled out, can make sliding along the ring channel of first flexible layer and second flexible layer, thereby wraps up first earphone and second earphone.
Preferably, the first and second liquid crystal materials are,
the sliding groove is of a T-shaped groove structure, a first groove is formed in the edge of the first flexible layer and the edge of the second flexible layer, and the first flexible layer and the second flexible layer are connected with the sliding groove in a sliding mode through the first groove respectively.
Through adopting above-mentioned technical scheme, when in-service use, first recess and second recess and T type groove cooperate, have improved first flexible layer and second flexible layer and sliding tray sliding connection's stability, avoid first flexible layer and second flexible layer to break away from the sliding tray to this guarantees first flexible layer and second flexible layer to the parcel effect of first earphone and second earphone.
Preferably, the first and second liquid crystal materials are,
the two ends of the first magnetic strip and the two ends of the second magnetic strip are both provided with second grooves, and the first magnetic strip and the second magnetic strip are respectively connected with the sliding groove in a sliding mode through the second grooves.
Through adopting above-mentioned technical scheme, improved the stability that first magnetic stripe and second magnetic stripe and solid fixed ring are connected, guaranteed that first magnetic stripe and second magnetic stripe can remove along the ring channel.
Preferably, the first and second liquid crystal materials are,
the middle part of the head beam is provided with an air outlet, a first elastic flap is arranged in the air outlet, and the first elastic flap is used for controlling the air outlet to be unidirectionally discharged;
the air inlet is formed in the middle of the head beam, dustproof cotton is arranged on the inner side of the air inlet, a second elastic flap is connected to the bottom of the inner side of the air inlet, and the second elastic flap is used for controlling the air inlet to admit air in a single direction.
By adopting the technical scheme, when the first earphone and the second earphone are wrapped by the first flexible layer and the second flexible layer in actual use, the cavity in the stroke closed state inside the first flexible layer and the second flexible layer is pressed, and the gas in the cavity between the first earphone and the second earphone can be discharged and is discharged through the gas outlet; not after first flexible layer and the flexible layer of extrusion, first flexible layer and the flexible layer automatic recovery of second, inhale through the inlet port this moment, and filter the air through dustproof cotton to this reduces the dust in the reduction cavity.
Preferably, the first and second liquid crystal materials are,
the outer side of the first earphone and the outer side of the second earphone are both connected with annular elastic sealing rings.
Through adopting above-mentioned technical scheme, when first flexible layer and second flexible layer wrapped up first earphone and second earphone, first flexible layer and second flexible layer can press on elastic sealing ring, and the head roof beam also can press on elastic sealing ring to this improves the sealed effect of first flexible layer and second flexible layer to first earphone and second earphone parcel, effectively reduces the condition that dust and rainwater entered into in first earphone and the second earphone.
The invention has the technical effects and advantages that:
1. according to the invention, the first flexible layer and the second flexible layer are pulled out through the first magnetic stripe and the second magnetic stripe, the turned first earphone and the turned second earphone are wrapped, and the first magnetic stripe and the second magnetic stripe are adsorbed and fixed, so that the stability of the pulled first flexible layer and the pulled second flexible layer is ensured, the first earphone and the second earphone are protected, and the first earphone and the second earphone are prevented from being polluted in the storage process;
2. according to the invention, when the first earphone and the second earphone are wrapped by the first flexible layer and the second flexible layer, the first flexible layer and the second flexible layer can be pressed on the elastic sealing ring, and the head beam can also be pressed on the elastic sealing ring, so that the sealing effect of the first flexible layer and the second flexible layer on the wrapping of the first earphone and the second earphone is improved, and the condition that dust and rainwater enter the first earphone and the second earphone is effectively reduced;
3. according to the invention, after the first earphone and the second earphone are wrapped by the first flexible layer and the second flexible layer, the stroke of the cavity in the closed state inside the first flexible layer and the second flexible layer is pressed by the first flexible layer or the second flexible layer, so that the gas in the cavity between the first earphone and the second earphone can be discharged, and is discharged through the gas outlet; not after first flexible layer and the flexible layer of extrusion, first flexible layer and the flexible layer automatic recovery of second, inhale through the inlet port this moment, and filter the air through dustproof cotton to this reduces the dust in the reduction cavity.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a schematic of the overall structure of the present invention;
FIG. 2 shows an isometric view of the present invention after pulling the first and second flexible layers apart;
FIG. 3 shows a side view of the retaining ring of the present invention;
FIG. 4 shows an enlarged view of area A of FIG. 2;
FIG. 5 is a schematic sectional view showing the air intake hole of the present invention;
FIG. 6 is a schematic cross-sectional view of the head beam of the present invention;
FIG. 7 shows an enlarged view of area B of FIG. 6;
FIG. 8 shows an enlarged view of area C of FIG. 6;
fig. 9 shows a schematic cross-sectional structure of the retainer ring of the present invention.
In the figure: 1. a head beam; 2. a first earphone; 3. a second earphone; 4. elastic cutting; 5. a fixing ring; 6. an elastic sealing ring; 7. a first magnetic stripe; 8. a second magnetic stripe; 9. a first flexible layer; 10. a second flexible layer; 11. a first cavity; 12. a second cavity; 13. a first socket spring; 14. a second socket spring; 15. a first winding shaft; 16. a second winding shaft; 17. a sliding groove; 18. a card slot; 19. a magnet; 20. a magnetically attractable metal sheet; 21. an annular groove; 22. an air outlet; 23. a first resilient flap; 24. an air inlet; 25. a second resilient flap; 26. dustproof cotton; 27. a first groove; 28. a second groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, the present invention provides a sealed dustproof earphone, which includes a head beam 1, and a first earphone 2 and a second earphone 3, wherein the first earphone 2 and the second earphone 3 are respectively connected to the head beam 1 by an elastic insertion strip 4 in a sliding manner, a first cavity 11 and a second cavity 12 are respectively disposed on two sides of the interior of the head beam 1, a first winding shaft 15 is rotatably connected to the inner side of the first cavity 11, two ends of the first winding shaft 15 are both fixedly connected to the inner wall of the first cavity 11 by a first socket spring 13, a first flexible layer 9 is wound on the first winding shaft 15, a second winding shaft 16 is rotatably connected to the inner side of the second cavity 12, two ends of the second winding shaft 16 are both fixedly connected to the inner wall of the second cavity 12 by a second socket spring 14, a second flexible layer 10 is wound on the second winding shaft 16, two sides of the head beam 1 are both provided with sliding grooves 17, first flexible layer 9 with second flexible layer 10 passes sliding tray 17 respectively and stretches out, first flexible layer 9 keeps away from the first magnetic stripe 7 of one side fixedly connected with of first winding axle 15, one side fixed link that second winding axle 16 was kept away from to second flexible layer 10 has second magnetic stripe 8, first flexible layer 9 with second flexible layer 10 parcel is connected through first magnetic stripe 7 and second magnetic stripe 8 absorption behind first earphone 2 and second earphone 3 side.
When in actual use, inwards overturn the first earphone 2 and the second earphone 3, and stimulate the first magnetic stripe 7 and the second magnetic stripe 8 to move, pull out the first flexible layer 9 and the second flexible layer 10 through the first magnetic stripe 7 and the second magnetic stripe 8, wrap up the first earphone 2 and the second earphone 3 after overturning, and adsorb fixedly between the first magnetic stripe 7 and the second magnetic stripe 8, guarantee the stability after the first flexible layer 9 and the second flexible layer 10 are pulled out, protect the first earphone 2 and the second earphone 3 with this, avoid the first earphone 2 and the second earphone 3 to receive the pollution in the storage process.
As an embodiment of the present invention, as shown in fig. 1, 3, and 4, the sealed dustproof earphone further includes fixing rings 5 mounted on the first earphone 2 and the second earphone 3, a slot 18 corresponding to the head beam 1 is disposed on the fixing rings 5, and the first earphone 2 and the second earphone 3 rotate to one side of the head beam 1 to clamp the head beam 1 into the slot 18.
As an embodiment of the present invention, as shown in fig. 1, 3, and 4, the sealed dustproof earphone further includes a clamping groove 18 disposed on one side of each of two ends of the head beam 1, the side being close to the earphone, the first earphone 2 and the second earphone 3 being clamped into the clamping groove 18 after rotating, a magnet 19 disposed on the head beam 1 corresponding to the clamping groove 18, and a magnetic metal sheet 20 disposed on the bottom of the clamping groove 18.
When the earphone is used, the first earphone 2 and the second earphone 3 can rotate towards one side of the head beam 1, the head beam 1 is clamped into the clamping groove 18 of the first earphone 2 and the second earphone 3, and the stability of clamping the head beam 1 into the clamping groove 18 is improved through the matching of the magnet 19 and the magnetic metal sheet 20.
As an embodiment of the present invention, as shown in fig. 1 to 8, the sealed dustproof earphone further includes that one side of the fixing ring 5 near the middle of the head beam 1 is provided with an annular groove 21, and when the head beam 1 is clamped into the clamping groove 18, the annular groove 21 is communicated with the edge of the sliding groove 17.
In use, the sliding groove 17 can be in fit and butt joint with the annular groove 21, so that when the first flexible layer 9 and the second flexible layer 10 are pulled out, the first flexible layer 9 and the second flexible layer 10 can slide along the annular groove 21, and the first earphone 2 and the second earphone 3 can be wrapped.
As an embodiment of the present invention, as shown in fig. 1 to 9, the sealed dustproof earphone further includes that the sliding groove 17 is a T-shaped groove structure, the edges of the first flexible layer 9 and the second flexible layer 10 are provided with first grooves 27, and the first flexible layer 9 and the second flexible layer 10 are slidably connected to the sliding groove 17 through the first grooves 27, respectively.
When the earphone is used, the first groove 27, the second groove 28 and the T-shaped groove are matched, so that the stability of the sliding connection between the first flexible layer 9 and the second flexible layer 10 and the sliding groove 17 is improved, the first flexible layer 9 and the second flexible layer 10 are prevented from being separated from the sliding groove 17, and the wrapping effect of the first flexible layer 9 and the second flexible layer 10 on the first earphone 2 and the second earphone 3 is guaranteed.
As an embodiment of the present invention, as shown in fig. 1 to 4, the sealed dustproof earphone further includes that second grooves 28 are respectively disposed at two ends of the first magnetic stripe 7 and the second magnetic stripe 8, and the first magnetic stripe 7 and the second magnetic stripe 8 are slidably connected to the sliding groove 17 through the second grooves 28, respectively.
Through adopting above-mentioned technical scheme, improved the stability that first magnetic stripe 7 and second magnetic stripe 8 and solid fixed ring 5 are connected, guaranteed that first magnetic stripe 7 and second magnetic stripe 8 can remove along ring channel 21.
As an embodiment of the present invention, as shown in fig. 1 to 5, the sealed dustproof earphone further includes that an air outlet 22 is formed in the middle of the head beam 1, a first elastic flap 23 is disposed in the air outlet 22, and the first elastic flap 23 is used for controlling the air outlet 22 to discharge air in one direction;
an air inlet hole 24 is formed in the middle of the head beam 1, dustproof cotton 26 is arranged on the inner side of the air inlet hole 24, a second elastic flap 25 is connected to the bottom of the inner side of the air inlet hole 24, and the second elastic flap 25 is used for controlling the air inlet hole 24 to admit air in a single direction.
When the earphone is used, after the first flexible layer 9 and the second flexible layer 10 wrap the first earphone 2 and the second earphone 3, the inner sides of the first flexible layer 9 and the second flexible layer 10 are in a closed-stroke cavity, and the first flexible layer 9 or the second flexible layer 10 is pressed, so that air in the cavity between the first earphone 2 and the second earphone 3 can be discharged and is discharged through the air outlet 22; after the first flexible layer 9 and the second flexible layer 10 are not extruded, the first flexible layer 9 and the second flexible layer 10 automatically recover, at the moment, air is sucked through the air inlet hole 24, and air is filtered through the dustproof cotton 26, so that dust in the cavity is reduced.
As an embodiment of the present invention, as shown in fig. 1 to 9, the sealed dustproof earphone further comprises an annular elastic sealing ring 6 connected to the outer side of the first earphone 2 and the outer side of the second earphone 3.
When using, when first flexible layer 9 and second flexible layer 10 wrapped up first earphone 2 and second earphone 3, first flexible layer 9 and second flexible layer 10 can be pressed on elastic sealing ring 6, and nose beam 1 also can be pressed on elastic sealing ring 6 to this closed effect that first flexible layer 9 and second flexible layer 10 wrapped up first earphone 2 and second earphone 3 improves, effectively reduces the condition that dust and rainwater enter into in first earphone 2 and the second earphone 3.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The sealed dustproof earphone is characterized by comprising a head beam (1), a first earphone (2) and a second earphone (3), wherein the first earphone (2) and the second earphone (3) are respectively connected with the head beam (1) in a sliding manner through elastic inserting strips (4), a first cavity (11) and a second cavity (12) are respectively arranged on two sides of the interior of the head beam (1), a first winding shaft (15) is rotatably connected to the inner side of the first cavity (11), two ends of the first winding shaft (15) are fixedly connected with the inner wall of the first cavity (11) through a first socket spring (13), a first flexible layer (9) is wound on the first winding shaft (15), a second winding shaft (16) is rotatably connected to the inner side of the second cavity (12), two ends of the second winding shaft (16) are fixedly connected with the inner wall of the second cavity (12) through a second socket spring (14), the winding has second flexible layer (10) on second winding axle (16), the both sides of head roof beam (1) all are equipped with sliding tray (17), first flexible layer (9) with sliding tray (17) are passed respectively to second flexible layer (10) and are stretched out, first flexible layer (9) keep away from first magnetic stripe (7) of one side fixedly connected with of first winding axle (15), one side fixed link that second winding axle (16) was kept away from in second flexible layer (10) has second magnetic stripe (8), first flexible layer (9) with second flexible layer (10) parcel is connected through first magnetic stripe (7) and second magnetic stripe (8) absorption behind first earphone (2) and second earphone (3) side.
2. The sealed dust-proof earphone according to claim 1,
all install solid fixed ring (5) on first earphone (2) and second earphone (3), gu be equipped with on fixed ring (5) with first roof beam (1) corresponds draw-in groove (18), first earphone (2) with second earphone (3) rotate to first roof beam (1) one side and block into draw-in groove (18) with first roof beam (1).
3. The sealed dust-proof earphone according to claim 2,
one side that first roof beam (1) both ends are close to the earphone all is equipped with draw-in groove (18), first earphone (2) with second earphone (3) rotate the back card go into in draw-in groove (18), the position that first roof beam (1) corresponds draw-in groove (18) is provided with magnet (19), the bottom of draw-in groove (18) is equipped with parent's magnetism sheetmetal (20).
4. The sealed dust-proof earphone according to claim 2,
one side of the fixing ring (5) close to the middle of the head beam (1) is provided with an annular groove (21), and the annular groove (21) is communicated with the edge of the sliding groove (17) when the head beam (1) is clamped into the clamping groove (18).
5. The sealed dust-proof earphone according to claim 1,
the sliding groove (17) is of a T-shaped groove structure, the edges of the first flexible layer (9) and the second flexible layer (10) are provided with first grooves (27), and the first flexible layer (9) and the second flexible layer (10) are respectively connected with the sliding groove (17) in a sliding mode through the first grooves (27).
6. The sealed dust-proof earphone according to claim 1,
first magnetic stripe (7) with the both ends of second magnetic stripe (8) all are equipped with second recess (28), first magnetic stripe (7) with second magnetic stripe (8) respectively through second recess (28) with sliding tray (17) sliding connection.
7. The sealed dust-proof earphone according to claim 1,
an air outlet hole (22) is formed in the middle of the head beam (1), a first elastic flap (23) is arranged in the air outlet hole (22), and the first elastic flap (23) is used for controlling the air outlet hole (22) to give out air in a single direction;
an air inlet hole (24) is formed in the middle of the head beam (1), dustproof cotton (26) is arranged on the inner side of the air inlet hole (24), a second elastic flap (25) is connected to the bottom of the inner side of the air inlet hole (24), and the second elastic flap (25) is used for controlling the air inlet hole (24) to admit air in a single direction.
8. The sealed dust-proof earphone according to claim 1,
the outer side of the first earphone (2) and the outer side of the second earphone (3) are both connected with annular elastic sealing rings (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853219.6A CN113301475B (en) | 2021-07-27 | 2021-07-27 | Sealed dustproof earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853219.6A CN113301475B (en) | 2021-07-27 | 2021-07-27 | Sealed dustproof earphone |
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| Publication Number | Publication Date |
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| CN113301475A true CN113301475A (en) | 2021-08-24 |
| CN113301475B CN113301475B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110853219.6A Active CN113301475B (en) | 2021-07-27 | 2021-07-27 | Sealed dustproof earphone |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190281380A1 (en) * | 2018-03-06 | 2019-09-12 | Nghia Tran | Novel Headphone with canopy cover |
| US20190387299A1 (en) * | 2018-06-14 | 2019-12-19 | Apple Inc. | Display System Having An Audio Output Device |
| CN111669677A (en) * | 2020-06-19 | 2020-09-15 | 刘知迪 | Head-wearing earphone |
| CN212572905U (en) * | 2020-07-27 | 2021-02-19 | 深圳市天行电子有限公司 | Earphone head beam protective sleeve |
-
2021
- 2021-07-27 CN CN202110853219.6A patent/CN113301475B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190281380A1 (en) * | 2018-03-06 | 2019-09-12 | Nghia Tran | Novel Headphone with canopy cover |
| US20190387299A1 (en) * | 2018-06-14 | 2019-12-19 | Apple Inc. | Display System Having An Audio Output Device |
| CN111669677A (en) * | 2020-06-19 | 2020-09-15 | 刘知迪 | Head-wearing earphone |
| CN212572905U (en) * | 2020-07-27 | 2021-02-19 | 深圳市天行电子有限公司 | Earphone head beam protective sleeve |
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| Publication number | Publication date |
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| CN113301475B (en) | 2021-09-28 |
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