CN214851749U - Split type Bluetooth earphone - Google Patents
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- CN214851749U CN214851749U CN202120744495.4U CN202120744495U CN214851749U CN 214851749 U CN214851749 U CN 214851749U CN 202120744495 U CN202120744495 U CN 202120744495U CN 214851749 U CN214851749 U CN 214851749U
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Abstract
The utility model discloses a split type bluetooth headset, including left earphone and right earphone, this left earphone includes first controller and first antenna circuit, this right earphone includes second controller and second antenna circuit, this left earphone and right earphone pass through antenna circuit and establish bluetooth wireless connection, this first controller and one of second controller and control terminal bluetooth are connected, this first controller and/or second controller connect grafting circuit, the miaow pole of pegging graft is connected to the controller that corresponds through this grafting circuit. The utility model discloses a split type bluetooth headset, left and right earphone independent setting can be wireless interconnected to can dismantle grafting miaow pole, the vice microphone of miaow pole installation more presses close to the sound source and makes split type bluetooth headset conversation more clear tone quality better.
Description
Technical Field
The utility model relates to an intelligent equipment technical field, concretely relates to split type bluetooth headset.
Background
The TWS (true Wireless) Bluetooth headset has the advantages that two headsets do not need to be connected to work, data transmission is achieved through the Bluetooth function, the size of the headset is greatly reduced without actual connection, and portability is improved.
Because the inside electronic components such as battery, circuit board, microphone, loudspeaker that have of fuselage of TWS bluetooth headset to need directly to plug in left earphone and right earphone or one in the ear when using, consequently, the high preparation of TWS bluetooth headset internal device integrated level is very miniaturized, and the appearance structure must also be small and exquisite be suitable for wearing.
Go into the TWS bluetooth headset that ear used because of the structure is small and exquisite, hugs closely the ear, keeps away from the mouth during the conversation and makes the sound wave signal that the inside microphone of earphone acquireed weaken, and the circumstances that the unclear tone quality of occasionally converses is relatively poor takes place in noisy environment.
Therefore, the design of the existing split bluetooth headset is in need of improvement.
Disclosure of Invention
Based on this, for foretell technical problem in solving the conventional art, the technical scheme of the utility model for two earphones set up the grafting module, can dismantle the miaow pole of grafting through this grafting module, and it is more accurate that the sound source is pressed close to from the vice microphone of taking to the miaow pole on extendible to mouth limit, provides the split type bluetooth headset that the clear tone quality of conversation is better, charge more convenient stability.
The utility model relates to a split type bluetooth headset, including left earphone and right earphone, this left earphone includes first controller and first antenna circuit, this right earphone includes second controller and second antenna circuit, this left earphone and right earphone pass through antenna circuit and establish bluetooth wireless connection, this first controller and one of second controller and control terminal bluetooth are connected, this first controller and/or second controller connect plug circuit, the miaow pole of pegging graft is connected to the controller that corresponds through this plug circuit.
In hardware construction, the left earphone of the split type Bluetooth earphone comprises a first circuit board, the first controller and the first antenna circuit are arranged on the first circuit board, the right earphone comprises a second circuit board, the second controller and the second antenna circuit are arranged on the second circuit board, a switching seat is arranged on the first circuit board and/or the second circuit board, the plug-in circuit is arranged on the switching seat, and the microphone rod is detachably plugged in the left earphone or the right earphone through the switching seat.
When the earphone is specifically implemented, the left earphone comprises a first earphone shell, a first loudspeaker shell and a first earphone plug, the first earphone shell comprises a first base and a first face shell, a first function key is arranged on the first face shell, a first rechargeable battery and a first circuit board are arranged in a cavity defined by the first base and the first face shell, the first rechargeable battery is electrically connected with the first circuit board, and a first positive electrode block and a first negative electrode block are symmetrically arranged on two sides of the first circuit board.
When the earphone is specifically implemented, the right earphone comprises a second earphone shell, a second loudspeaker shell and a second earphone, the second earphone shell comprises a second base and a second face shell, a second function key is arranged on the second face shell, a second rechargeable battery and a second circuit board are arranged in a cavity defined by the second base and the second face shell, the second rechargeable battery is electrically connected with the second circuit board, and a second positive electrode block and a second negative electrode block are symmetrically arranged on two sides of the second circuit board.
This split type bluetooth headset still includes the box that charges for this left earphone and have the earphone to charge, and this box that charges includes the control circuit board that charges, sets up first group's support electrode and second group's support electrode on this control circuit board that charges, thereby this first group's support electrode is used for supporting and switches on this first positive electrode piece and first negative electrode piece and charges for this first rechargeable battery, and this second group's support electrode is used for supporting and switches on second positive electrode piece and second negative electrode piece to charge for this second rechargeable battery.
In order to stably fix the earphone, a first magnet is arranged in the first loudspeaker shell, a second magnet is arranged in the second loudspeaker shell, a first magnetic attraction piece matched with the first magnet and a second magnetic attraction piece matched with the second magnet are arranged in the charging box, and therefore magnetic attraction charging is achieved.
Wherein, the charging control circuit board of this box that charges is connected the interface that charges.
In terms of circuits, the first circuit board of the split type bluetooth headset comprises a first controller, a first crystal oscillator circuit, a first antenna circuit, a first touch circuit, a first charging protection circuit, a first loudspeaker circuit, a first main silicon microphone circuit, a first indicator light circuit and a first plug circuit, wherein the first crystal oscillator circuit, the first antenna circuit, the first touch circuit, the first charging protection circuit, the first loudspeaker circuit, the first main silicon microphone circuit, the first indicator light circuit and the first plug circuit are connected with the first controller; the second circuit board comprises a second controller, a second crystal oscillator circuit, a second antenna circuit, a second touch circuit, a second charging protection circuit, a second loudspeaker circuit, a second main silicon microphone circuit, a second indicator light circuit and a second plug circuit, wherein the second crystal oscillator circuit, the second antenna circuit, the second touch circuit, the second charging protection circuit, the second loudspeaker circuit, the second main silicon microphone circuit, the second indicator light circuit and the second plug circuit are connected with the second controller, and the first controller and the second controller automatically establish wireless connection between the two earphones through the first antenna circuit and the second antenna circuit.
In a control scheme of the main microphone, the triggering end of the first touch circuit or the second touch circuit is linked with a function key on the face shell of the corresponding earphone through the adapter plate, and the main silicon microphone circuit can be triggered by a user to close the function key.
In another control scheme of the main microphone, the first main silicon microphone circuit is connected with a first plug circuit, the second main silicon microphone circuit is connected with a second plug circuit, after a microphone rod is inserted, the first controller controls the first main silicon microphone circuit to be closed, a secondary microphone arranged on the microphone rod works, or the second controller controls the second main silicon microphone circuit to be closed, and the secondary microphone arranged on the microphone rod works.
Preferably, the plug circuit is arranged on the first circuit board and/or the second circuit board, or the plug circuit is separated from the first circuit board and/or the second circuit board and connected by a wire.
The utility model discloses a split type bluetooth headset, left earphone and right earphone set up grafting module respectively, and this grafting module includes grafting circuit and plug socket, and the miaow pole can be dismantled through this grafting module and be connected to one of two earphones, and it is more accurate to extend to the mouth limit through grafting miaow pole with the microphone of gathering sound signal and catch the signal, and it is better to provide the more clear tone quality of conversation.
Furthermore, the utility model discloses a split type bluetooth headset, the bilateral symmetry of the circuit board in each earphone sets up positive electrode piece and negative electrode piece, and when the earphone was put into the box that charges, this positive electrode piece and negative electrode piece stable support combined the magnet and the magnetism of setting to inhale the piece on the support electrode that the box that charges corresponds for the earphone is more stable and convenient to use with the electric connection before the box that charges.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is a schematic view of a three-dimensional structure of the split type bluetooth headset of the present invention;
fig. 2 is a schematic view of the left earphone decomposition structure of the split bluetooth earphone of the present invention;
fig. 3 is a detailed structure diagram of the left earphone decomposition structure of the split bluetooth earphone of the present invention;
fig. 4 is an exploded structural view of the right earphone combining with the microphone rod of the split bluetooth earphone of the present invention;
fig. 5 is a schematic structural view of the TWS real wireless earphone of the split bluetooth earphone of the present invention;
fig. 6 is a partial structure diagram of the charging box and the embedded earphone of the split bluetooth earphone of the present invention;
fig. 7 is a schematic structural view of the inner frame electrode of the charging box of the split bluetooth headset of the present invention;
fig. 8 is a control circuit diagram of the left earphone or the right earphone of the split bluetooth earphone of the present invention;
fig. 9 is a circuit diagram of the left earphone or the right earphone plug-in circuit of the split bluetooth earphone of the present invention;
fig. 10 is a circuit diagram of a left earphone or a right earphone circuit of the split bluetooth earphone of the present invention;
fig. 11 is a charging protection circuit diagram of the left earphone or the right earphone of the split bluetooth earphone of the present invention;
fig. 12 is the speaker circuit diagram of the left earphone or the right earphone of the split bluetooth headset.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1 to fig. 5 together, which show the structure diagram of the split bluetooth headset of the present invention; fig. 6 to 7 are structural diagrams of charging boxes of the split type bluetooth headset. Fig. 8 to 12 show the specific circuit on the first circuit board by taking the left earphone as an example. The circuit structure of the second circuit board of the right earphone is the same as that of the left earphone, and repeated description is omitted.
The utility model discloses a split type bluetooth headset, including independent setting and left earphone and right earphone that the bluetooth is connected. The left earphone and the right earphone are in Bluetooth wireless connection through the antenna circuit, and one of the left earphone and the right earphone is in Bluetooth connection with a control terminal, such as a mobile phone or a tablet computer. The first circuit board of left earphone and/or the second circuit board of right earphone all set up plug circuit. The plug circuit is arranged on the switching seat, and the microphone rod is detachably plugged on the left earphone or the right earphone through the switching seat and is connected to the corresponding circuit board through the plug circuit. The utility model discloses a split type bluetooth headset, the vice microphone of miaow pole installation more presses close to user's mouth limit, and consequently the more clear tone quality of talkbacking is better.
The embodiments are described in detail below.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Please refer to fig. 1 to fig. 5, which show the structure diagram of the split bluetooth headset of the present invention.
The split type Bluetooth headset comprises a left headset 1, a right headset 2 and a microphone rod 7 which can be plugged on the left headset 1 or the right headset 2.
Referring to fig. 5, the stem 7 includes a stem, one end of which is provided with a microphone 73 and the other end of which is provided with a connection terminal 71. A secondary microphone is provided in the microphone 73 that extends to the corners of the user's mouth.
The structure of the right earphone 1 is the same as the structure and circuit of the left earphone 2, and the left earphone 1 is described in detail below as an example. The structure and circuitry of the right earpiece 2 is described with reference to the left earpiece 1.
As shown in fig. 1, 2 and 3, the left earphone 1 includes a first earphone shell 11, a first speaker housing 12 and a first ear plug 13 from the viewpoint of hardware structure. The first earphone shell 11 includes a first base 112 and a first face shell 111. The first panel 111 is provided with a lamp hole 114 and a first function key 115. A first rechargeable battery 5 and the first circuit board 4 are installed in a cavity surrounded by the first base 112 and the first panel 111, the first rechargeable battery is electrically connected to the first circuit board 4, a specific circuit is disposed on the first circuit board 4, and a circuit portion will be described later. The first circuit board 4 is provided with an indicator lamp 45 on a side facing the lamp hole 114 and an activation terminal 44 on a side facing the function key 115. The first circuit board 4 is symmetrically provided with a first positive electrode block 41 and a first negative electrode block 42 on both sides.
Referring to fig. 8 to 12, in terms of circuit structure, the first circuit board 4 of the split bluetooth headset includes a first controller 100, and a first crystal oscillator circuit 101, a first antenna circuit 102, a first touch circuit 121, a first charging protection circuit 140, a first speaker circuit 130, a first main microphone circuit 151, a first indicator light circuit, and a first plug circuit 152 connected to the first controller 100.
The above is a circuit diagram of the first circuit board 4 of the left earphone 1, and similarly, the circuit of the second circuit board of the right earphone 2 is the same as that of the first circuit board. The second circuit board 4 includes a second controller, and a second crystal oscillator circuit, a second antenna circuit, a second touch circuit, a second charging protection circuit, a second speaker circuit, a second main silicon microphone circuit, a second indicator circuit, and a second plug circuit connected to the second controller.
As shown in fig. 9, the connection terminals MIC-VDD and MIC + of the first main silicon microphone circuit 151 are indirectly connected to the first controller through the connection terminals GPI09 and MICIN of the first plug circuit.
The charge protection circuit 140 manages monitoring of the playback process and status of the first rechargeable battery 5.
The first circuit board 4 is provided with a first switch seat 43, the first plug circuit 152 is arranged in the switch seat 43, and the microphone rod 7 is detachably plugged on the left earphone 1 through the switch seat 43 and is connected to the first controller 100 through the first plug circuit 152.
Similarly, the hardware configuration and the circuit configuration of the right headphone 2 are the same as those of the left headphone 1, and detailed description thereof is omitted. The right earphone comprises a second circuit board and a second antenna circuit, the left earphone 1 and the right earphone 2 establish a bluetooth wireless connection through the first antenna circuit and the second antenna circuit, a controller of one of the left earphone 1 and the right earphone 2 is connected with a control terminal bluetooth, the first circuit board 4 and/or the second circuit board is connected with a plug-in circuit, the plug-in circuit is installed on a switching seat, and a microphone rod is detachably plugged in the left earphone 1 or the right earphone 2 through the switching seat 43 and is connected to a corresponding controller, such as the first plug-in circuit 152, such as the first controller 100.
Similarly, the right earphone comprises a second earphone shell, a second loudspeaker shell and a second earphone, the second earphone shell comprises a second base and a second face shell, a second function key is arranged on the second face shell, a second rechargeable battery and a second circuit board are arranged in a cavity defined by the second base and the second face shell, the second rechargeable battery is electrically connected with the second circuit board, and a second positive electrode block and a second negative electrode block are symmetrically arranged on two sides of the second circuit board.
In order to charge the Bluetooth headset in time, the split type Bluetooth headset further comprises a charging box 9.
The charging box 9 is provided with a first bluetooth headset accommodating groove and a second bluetooth headset accommodating groove which are matched in shape and used for accommodating a left headset and a right headset for charging.
The charging box 9 includes a charging control circuit board 91 on which a first set of holder electrodes including a first positive electrode tab 931 and a first negative electrode tab 932 and a second set of holder electrodes are disposed. The second set of stent electrodes includes a second positive electrode sheet 941 and a second negative electrode sheet 942.
The first set of standoff electrodes is used to support and conduct the first circuit board 4. Specifically, the first positive electrode tab 931 contacts the first positive electrode block 41, and the first negative electrode tab 932 contacts the first negative electrode block 42 to charge the first rechargeable battery of the left earphone 1. The second set of support electrodes is used to support and conduct the second circuit board, specifically, the second positive electrode plate 941 contacts the second positive electrode block, and the second negative electrode plate 942 contacts the second negative electrode block, so as to charge the second rechargeable battery of the right earphone.
As shown in fig. 4, in order to fix the electrical connection between the headset and the charging box 9, the first magnet 8 is disposed in the cavity surrounded by the first speaker housings 121 and 122 of the left headset 1. Similarly, the second speaker housing of the right earphone is provided with a second magnet, and the charging box 9 is internally provided with a first magnetic attraction piece matched with the first magnet 8 and a second magnetic attraction piece matched with the second magnet, so as to realize magnetic attraction charging.
In this embodiment, the charging control circuit board of the charging box 9 is connected to a charging interface 92, and the charging interface 92 may be a type C interface, a mini USB interface, an apple interface, or the like.
The first controller 100 and the second controller automatically establish a wireless connection between the two headsets through the first antenna circuit 102 and the second antenna circuit.
Referring to fig. 3, the first main silicon microphone circuit 151 serves as a main microphone of the left earphone 1. In the control embodiment of the primary microphone, the triggering end 44 of the first touch control circuit 121 is linked with the function key 115 on the front shell of the left earphone 1 through the adapter plate 118, and the first primary microphone circuit can be triggered by the user to turn off the function key 115. Similarly, the second main microphone circuit may be turned off by the user triggering the function key of the right earphone 2.
Referring to fig. 9, in another control scheme of the main microphone, the first main silicon microphone circuit 151 is connected to the first plug circuit 152, the second main silicon microphone circuit is connected to the second plug circuit, and after the microphone stick is inserted, the first controller 100 controls the first main silicon microphone circuit 151 to be turned off, and the sub microphone set by the microphone stick 7 is operated, or the second controller controls the second main silicon microphone circuit to be turned off, and the sub microphone set by the microphone stick is operated.
In this embodiment, the first indicator light circuit includes a red indicator light circuit 161 and a blue indicator light circuit 162. The combined flash time of the red and blue indicator lights represents different functions of the headset.
For example, the left earphone 1 or the right earphone 2 is automatically turned on when the earphone itself is taken up from the charging box 9, and the blue light in the light hole 114 flashes; when the left earphone 1 or the right earphone 2 is placed back to the charging box 9, the earphone is automatically turned off, and the red light in the light hole 114 is normally on for 1 second; when entering the pairing state, the red and blue lights at the lamp hole 114 flash alternately; when the earphone is in use and the electric quantity of the earphone is low, the indicator light is turned on for flashing once in 3 seconds; in a power-off state, clearing the earphone pairing for 10 seconds by pressing a 'function key' for a long time until the earphone is automatically powered off after the red light and the blue light of the indicator light flash for one time at the same time to complete factory setting; when the earphone is disconnected, the function keys of the left earphone 1 and the right earphone 2 are pressed for 5 seconds at the same time in the power-off state, the red and blue indicator lamps flash alternately, and the function keys of the earphones on two sides are double-clicked simultaneously, so that the earphones are automatically connected; putting the left earphone 1 and the right earphone 2 into a charging seat, and starting charging the earphones; in the charging process of the earphone, the red light is always on, and the full light is off.
The utility model discloses a split type bluetooth headset, left earphone 1 and right earphone 2 set up grafting module respectively, and this grafting module includes grafting circuit and plug socket, and the miaow pole can be dismantled one of being connected to two earphones through this grafting module, and it is more accurate to extend to the mouth limit through grafting miaow pole with the microphone of gathering sound signal and catch the signal, and it is better to provide the more clear tone quality of conversation.
Furthermore, the utility model discloses a split type bluetooth headset, the bilateral symmetry of the circuit board in each earphone sets up positive electrode piece and negative electrode piece, and when the earphone was put into and is charged box 9, this positive electrode piece and negative electrode piece outrigger combined the magnet and the magnetism of setting to inhale the piece on the support electrode that charges box 9 corresponds for the earphone is more stable and convenient to use with the electric connection before charging box 9.
It is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof.
Claims (10)
1. The utility model provides a split type bluetooth headset, its characterized in that, includes left earphone and right earphone, left side earphone includes first controller and first antenna circuit, right side earphone includes second controller and second antenna circuit, bluetooth wireless connection is established through antenna circuit to left side earphone and right earphone, one of first controller and second controller and control terminal bluetooth connection, first controller and/or second controller connect plug circuit, and the miaow pole of pegging graft passes through plug circuit is connected to the controller that corresponds.
2. The split type bluetooth headset of claim 1, wherein the left headset comprises a first circuit board, the first controller and the first antenna circuit are disposed on the first circuit board, the right headset comprises a second circuit board, the second controller and the second antenna circuit are disposed on the second circuit board, a switch seat is disposed on the first circuit board and/or the second circuit board, the plug-in circuit is disposed on the switch seat, and the microphone rod is detachably plugged into the left headset or the right headset through the switch seat.
3. The split type bluetooth headset of claim 2, wherein the left headset comprises a first headset housing, a first speaker housing and a first ear plug, the first headset housing comprises a first base and a first face housing, the first face housing is provided with a first function key, a first rechargeable battery and the first circuit board are installed in a cavity surrounded by the first base and the first face housing, the first rechargeable battery is electrically connected to the first circuit board, and a first positive electrode block and a first negative electrode block are symmetrically arranged on two sides of the first circuit board; the right earphone comprises a second earphone shell, a second loudspeaker shell and a second earplug, the second earphone shell comprises a second base and a second face shell, a second function key is arranged on the second face shell, a second rechargeable battery is arranged in a cavity defined by the second base and the second face shell, and the second circuit board is electrically connected with the second rechargeable battery.
4. The split type bluetooth headset of claim 3, further comprising a charging box for charging the left headset and the other headset, wherein the charging box comprises a charging control circuit board, the charging control circuit board is provided with a first set of support electrodes and a second set of support electrodes, the first set of support electrodes is used for supporting and conducting the first positive electrode block and the first negative electrode block so as to charge the first rechargeable battery, and the second set of support electrodes is used for supporting and conducting the second positive electrode block and the second negative electrode block so as to charge the second rechargeable battery.
5. The split type Bluetooth headset of claim 4, wherein a first magnet is disposed in the first speaker housing, a second magnet is disposed in the second speaker housing, and a first magnetic attraction member cooperating with the first magnet and a second magnetic attraction member cooperating with the second magnet are disposed in the charging box, so as to achieve magnetic attraction charging.
6. The split type Bluetooth headset of claim 4, wherein the charging control circuit board of the charging box is connected to the charging interface.
7. The split type bluetooth headset according to claim 2, wherein the first circuit board comprises a first controller, and a first crystal oscillator circuit, a first antenna circuit, a first touch circuit, a first charging protection circuit, a first speaker circuit, a first main silicon microphone circuit, a first indicator light circuit, and a first plug circuit connected to the first controller; the second circuit board comprises a second controller, a second crystal oscillator circuit, a second antenna circuit, a second touch circuit, a second charging protection circuit, a second loudspeaker circuit, a second main silicon microphone circuit, a second indicator light circuit and a second plug circuit, wherein the second crystal oscillator circuit, the second antenna circuit, the second touch circuit, the second charging protection circuit, the second loudspeaker circuit, the second main silicon microphone circuit, the second indicator light circuit and the second plug circuit are connected with the second controller, and the first controller and the second controller automatically establish wireless connection between the two earphones through the first antenna circuit and the second antenna circuit.
8. The split type bluetooth headset of claim 7, wherein the trigger end of the first touch circuit or the second touch circuit is linked with a function key on the face shell of the corresponding headset through an adapter plate, and the main microphone circuit can be triggered by a user to close the function key.
9. The split type bluetooth headset of claim 7, wherein the first main microphone circuit is connected to a first plug circuit, the second main microphone circuit is connected to a second plug circuit, and when a microphone rod is inserted, the first controller controls the first main microphone circuit to be turned off and a sub microphone provided by the microphone rod to be operated, or the second controller controls the second main microphone circuit to be turned off and a sub microphone provided by the microphone rod to be operated.
10. The split type bluetooth headset according to any one of claims 2 to 8, wherein the plug circuit is disposed on the first circuit board and/or the second circuit board, or the plug circuit is separated from the first circuit board and/or the second circuit board and connected by a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744495.4U CN214851749U (en) | 2021-04-12 | 2021-04-12 | Split type Bluetooth earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744495.4U CN214851749U (en) | 2021-04-12 | 2021-04-12 | Split type Bluetooth earphone |
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| Publication Number | Publication Date |
|---|---|
| CN214851749U true CN214851749U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120744495.4U Active CN214851749U (en) | 2021-04-12 | 2021-04-12 | Split type Bluetooth earphone |
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| CN (1) | CN214851749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117692842A (en) * | 2024-01-31 | 2024-03-12 | 大象声科（深圳）科技有限公司 | Device and method for enhancing noise reduction effect of earphone conversation in robust manner |
-
2021
- 2021-04-12 CN CN202120744495.4U patent/CN214851749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117692842A (en) * | 2024-01-31 | 2024-03-12 | 大象声科（深圳）科技有限公司 | Device and method for enhancing noise reduction effect of earphone conversation in robust manner |
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