CN214101666U - Audio data transmission electronic equipment - Google Patents
Audio data transmission electronic equipment Download PDFInfo
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- CN214101666U CN214101666U CN202120159384.7U CN202120159384U CN214101666U CN 214101666 U CN214101666 U CN 214101666U CN 202120159384 U CN202120159384 U CN 202120159384U CN 214101666 U CN214101666 U CN 214101666U
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Abstract
The utility model belongs to the technical field of the audio frequency technique and specifically relates to an audio data transmission electronic equipment, including box, power amplifier, speaker, bluetooth module, USB interface, TRS interface, card reader, audio filter, audio converter, temperature sensor, control treater, battery, the mouth that charges, change over switch, the inboard fixed installation panel that is equipped with of box, installation panel one side is equipped with the mounting hole, speaker fixed connection is inboard at the mounting hole, box one side is equipped with a plurality of through holes, the USB interface, TRS interface, card reader, the mouth that charges, the equal fixed connection of change over switch is inboard at the through hole. The utility model discloses, through setting up audio filter, audio converter, temperature sensor, control processor, inlet fan, netted mounting panel, dismantlement frame, guard gate, U type handle, make it have portable, have filtering, switch the audio, intelligence is dispelled the heat, be convenient for clear up, function such as dustproof.
Description
Technical Field
The utility model relates to an audio frequency technical field especially relates to an audio data transmission electronic equipment.
Background
Audio is a term of art, the term audio has been used to generally describe devices and their functions related to sound within an audio frequency range, a sound box refers to a device that can convert an audio signal into sound, and in popular terms, a sound box is a self-contained power amplifier in a main body or a bass box of the sound box, and the sound box itself emits sound after amplifying the audio signal, so that the sound becomes loud.
The sound box in the prior art is not convenient to carry, so that the sound box is not convenient to use when people go out, and due to the fact that the sound box is of a sealing structure, the heat dissipation effect is poor, so that in the using process, an electronic element inside the sound box is easy to burn due to the fact that the temperature cannot be timely dissipated, the sound box does not have a filtering function, the noise is more when the sound box is used, the sound quality is poor, the sound effect switching function is not available, the sound effect is single, and therefore the audio data transmission electronic equipment is provided and used for solving the problems.
Disclosure of Invention
The utility model aims at solving the audio amplifier that exists among the prior art and be not portable in order to be not convenient for go out to use, and owing to be seal structure, thereby it is not good to cause the radiating effect, thereby in the use, its inside electronic component takes place to burn out because of the unable timely effluvium of temperature easily, and do not have the filtering function, it is more to make its noise when using, it is not good to cause its tone quality, and no sound effect switching function, the shortcoming of audio singleness, and the audio data transmission electronic equipment who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electronic device for audio data transmission is designed, which comprises a box body, a power amplifier, a loudspeaker, a Bluetooth module, a USB interface, a TRS interface, a card reader, an audio filter, an audio converter, a temperature sensor, a control processor, a battery, a charging port and a change-over switch, wherein the inner side of the box body is fixedly provided with an installation panel, one side of the installation panel is provided with an installation hole, the loudspeaker is fixedly connected to the inner side of the installation hole, one side of the box body is provided with a plurality of through holes, the USB interface, the TRS interface, the card reader, the charging port and the change-over switch are all fixedly connected to the inner sides of the through holes, the battery is fixedly connected to one side in the box body, the charging port is electrically connected with the battery through a lead, the Bluetooth module, the USB interface, the TRS interface and the card reader are all electrically connected with the audio filter through leads, and the audio converter is electrically connected with the audio converter, the sound effect converter is electrically connected with the power amplifier through a wire, the power amplifier is electrically connected with the loudspeaker through a wire, the change-over switch is electrically connected with the sound effect converter through a wire, the inner side of the box body is provided with a closed box, an L-shaped air inlet pipe and an L-shaped exhaust pipe, one side of the box body and the closed box is provided with an air inlet hole, the L-shaped air inlet pipe is fixedly connected to the inner side of the air inlet hole, one side of the box body and the closed box is provided with an exhaust hole, the L-shaped exhaust pipe is fixedly connected to the inner side of the exhaust hole, the inner side of the L-shaped air inlet pipe is fixedly provided with a fixed plate, one side of the fixed plate is provided with a through hole, the inner side of the through hole is fixedly provided with an air inlet fan, the inner side of the L-shaped air inlet pipe is detachably connected with a disassembly frame, one side of the disassembly frame is provided with a quick disassembly device, the inner side of the disassembly frame is fixedly provided with a filter screen, and the inner side of the closed box is provided with a net-shaped installation plate, the fixed two connecting plates that are equipped with of netted mounting panel one side, the equal fixed connection in connecting plate one side is on one side in the closed box, the equal fixed connection of power amplifier, bluetooth module, audio filter, audio converter, control processor is on netted mounting panel one side, temperature sensor fixed connection is on netted mounting panel opposite side, the rotatable formula of box one side is connected and is equipped with the guard gate, box one side is equipped with the locking door device, temperature sensor, air intake fan all pass through wire and control processor electric connection, control processor, power amplifier, speaker, audio filter, audio converter all need pass through wire and battery electric connection.
Preferably, a support net is fixedly arranged on the inner side of the L-shaped air inlet pipe.
Preferably, quick dismounting device is including tearing open the box, box one side is equipped with the tear-open hole, tear-open box fixed connection is inboard in the tear-open hole, the inboard slip of tear-open box is equipped with the slide, the fixed joint that is equipped with in slide one side, tear-open box, L type intake pipe one side all are equipped with the chuck hole, the equal sliding connection of joint is inboard in the chuck hole, it is equipped with the draw-in groove to dismantle frame one side, the joint can be dismantled and connect in the draw-in groove inboard, fixed A spring that is equipped with between slide one side and the interior one side of tear-open box, tear-open the fixed apron that is equipped with of box inside, apron one side is equipped with the slide hole, the slip connection that sideslips in the slide hole is equipped with T type and promotes the piece, T type promotes piece one side fixed connection on one side of slide.
Preferably, an air deflector is fixedly arranged on the inner side of the L-shaped air inlet pipe.
Preferably, an insect-proof net is fixedly arranged on the inner side of the L-shaped exhaust pipe.
Preferably, the door locking device comprises a rotating piece, one side of the rotating piece is provided with a shaft hole, the inner side of the shaft hole is rotatably connected with a T-shaped shaft, one end of the T-shaped shaft is fixedly connected to one side of the box body, one side of the rotating sheet is provided with a connecting hole, a door lock box is fixedly arranged on the inner side of the connecting hole, a sliding plate is movably connected and arranged in the inner side of the door lock box, one side of the sliding plate is fixedly provided with a locking block, one side of the door lock box is provided with a guide hole, the locking block can be connected to the inner side of the guide hole in a sliding way, one side of the protective door is provided with a locking groove, the locking block is detachably connected with the inner side of the locking groove, one side of the door lock box is fixedly provided with a supporting plate, a spring B is fixedly arranged between one side of the supporting plate and one side of the sliding plate, a handle hole is arranged at one side of the supporting plate, the handle hole is internally provided with a T-shaped handle in a sliding connection mode, and one end of the T-shaped handle is fixedly connected to one side of the sliding plate.
Preferably, one side of the protective door is provided with a mounting groove, and a sealing gasket is fixedly arranged on the inner side of the mounting groove.
Preferably, a U-shaped handle is fixedly arranged on one side of the box body, and a plurality of cushion blocks are fixedly arranged on one side of the box body.
The utility model provides a pair of audio data transmission electronic equipment, beneficial effect lies in: the audio filter has a filtering function, so that noise can be greatly reduced, so that the tone quality is improved, the audio converter is arranged, so that the audio filter has an audio switching function, the audio is diversified, various use requirements can be met, the temperature sensor, the control processor, the sealing box, the L-shaped air inlet pipe, the L-shaped exhaust pipe, the fixing plate, the air inlet fan, the net-shaped mounting plate and the connecting plate are arranged, when the temperature detected by the temperature sensor reaches a certain value, the control processor can automatically control the air inlet fan to work, so that the intelligent heat dissipation function is realized, the dust prevention function is realized by arranging the filter screen, dust can be prevented from entering the box body, the filter screen is convenient to disassemble and disassemble by arranging the disassembling frame and quick disassembling device, so that the filter screen is convenient to clean and has the function of convenient cleaning, and by arranging the protective door and the door locking device, make it when not needing the use, can protect it, further improve its dustproof, waterproof performance, through setting up box, U type handle, make it have portable, have the filtering, switch the audio, intelligent heat dissipation, be convenient for clear up, function such as dustproof.
Drawings
Fig. 1 is a schematic view of a front axial measurement structure of an electronic device for audio data transmission according to the present invention;
fig. 2 is a schematic view of a back side axial measurement structure of an electronic device for audio data transmission according to the present invention;
fig. 3 is a schematic diagram of a front cut axial structure of an electronic device for audio data transmission according to the present invention;
fig. 4 is a schematic diagram of a front side partial cut axial measurement structure of the electronic device for audio data transmission according to the present invention;
fig. 5 is a schematic side view of a partial cutaway axial view structure of an electronic device for audio data transmission according to the present invention;
fig. 6 is a schematic diagram of a partial cutaway axial-measurement structure of an electronic device for audio data transmission according to the present invention;
fig. 7 is a schematic view of a front axial measurement structure of an electronic device for audio data transmission according to the present invention;
fig. 8 is a schematic diagram of a system structure of an electronic device for audio data transmission according to the present invention.
In the figure: 1 box body, 2 power amplifier, 3 loudspeaker, 4 Bluetooth module, 5USB interface, 6TRS interface, 7 card reader, 8 audio filter, 9 sound effect converter, 10 temperature sensor, 11 control processor, 12 battery, 13 charging port, 14 change-over switch, 15 installation panel, 16 closed box, 17L type air inlet pipe, 18L type air outlet pipe, 19 fixed plate, 20 air inlet fan, 21 disassembly frame, 22 filter screen, 23 net installation plate, 24 connection plate, 25 protective door, 26 support net, 27 disassembly box, 28 sliding sheet, 29 clamping joint, 30A spring, 31 cover plate, 32T type pushing sheet, 33 wind deflector, 34 insect-proof net, 35 rotary sheet, 36T type shaft, 37 door lock box, 38 sliding plate, 39 locking block, 40 locking groove, 41 support plate, 42B spring, 43T type handle, 44 sealing gasket, 45U type handle and 46 cushion block.
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.
Referring to fig. 1-8, an electronic device for audio data transmission includes a box 1, a power amplifier 2, a speaker 3, a bluetooth module 4, a USB interface 5, a TRS interface 6, a card reader 7, an audio filter 8, an audio transducer 9, a temperature sensor 10, a control processor 11, a battery 12, a charging port 13, and a switch 14, wherein an installation panel 15 is fixedly disposed inside the box 1, an installation hole is disposed on one side of the installation panel 15, the speaker 3 is fixedly connected inside the installation hole, a plurality of through holes are disposed on one side of the box 1, the USB interface 5, the TRS interface 6, the card reader 7, the charging port 13, and the switch 14 are all fixedly connected inside the through holes, the battery 12 is fixedly connected to one side inside the box 1, the charging port 13 is electrically connected to the battery 12 through a wire, the bluetooth module 4, the USB interface 5, the switch 14, and the battery 12 are electrically connected to the battery 12, The TRS interface 6 and the card reader 7 are both electrically connected with an audio filter 8 through leads, the audio filter 8 is electrically connected with an audio converter 9 through leads, the audio converter 9 is electrically connected with a power amplifier 2 through leads, the power amplifier 2 is electrically connected with a loudspeaker 3 through leads, the change-over switch 14 is electrically connected with the audio converter 9 through leads, a closed box 16, an L-shaped air inlet pipe 17 and an L-shaped air outlet pipe 18 are arranged at the inner side of the box 1, an air inlet hole is arranged at one side of the box 1 and one side of the closed box 16, the L-shaped air inlet pipe 17 is fixedly connected at the inner side of the air inlet hole, an air outlet hole is arranged at one side of the box 1 and one side of the closed box 16, the L-shaped air outlet pipe 18 is fixedly connected at the inner side of the air outlet hole, a fixing plate 19 is fixedly arranged at the inner side of the L-shaped air inlet pipe 17, and a through hole is arranged at one side of the fixing plate 19, the inside of the through hole is fixedly provided with an air inlet fan 20, the inside of the L-shaped air inlet pipe 17 is detachably connected with a disassembly frame 21, one side of the disassembly frame 21 is provided with a quick disassembly device, the inside of the disassembly frame 21 is fixedly provided with a filter screen 22, the inside of the sealing box 16 is provided with a net-shaped mounting plate 23, one side of the net-shaped mounting plate 23 is fixedly provided with two connecting plates 24, one side of each connecting plate 24 is fixedly connected with one side in the sealing box 16, the power amplifier 2, the Bluetooth module 4, the audio filter 8, the audio converter 9 and the control processor 11 are fixedly connected with one side of the net-shaped mounting plate 23, the temperature sensor 10 is fixedly connected with the other side of the net-shaped mounting plate 23, one side of the box body 1 is rotatably connected with a protective door 25, one side of the box body 1 is provided with a door locking device, and the temperature sensor 10 and the air inlet fan 20 are electrically connected with the control processor 11 through wires, the control processor 11, the power amplifier 2, the speaker 3, the audio filter 8 and the sound effect converter 9 are electrically connected to the battery 12 through wires.
Specifically, a support net 26 is fixedly arranged on the inner side of the L-shaped air inlet pipe 17.
Specifically, quick dismounting device is including connecing box 27, 1 one side of box is equipped with the hole of connecing, it is inboard at the hole of connecing to connect box 27 fixed connection, it is equipped with slide 28 to connect box 27 inboard slip, the fixed joint 29 that is equipped with in slide 28 one side, it all is equipped with the chuck hole to connect box 27, L type intake pipe 17 one side, the equal sliding connection of chuck 29 is inboard in the chuck hole, it is equipped with the draw-in groove to dismantle frame 21 one side, the connection can be dismantled at the draw-in groove inboard to the chuck 29, slide 28 one side with connect box 27 in between one side fixed A spring 30 that is equipped with, it is equipped with apron 31 to connect box 27 inboard fixed, apron 31 one side is equipped with the slide hole, the movable connection that sideslips in the slide is equipped with T type and promotes piece 32, T type promotes piece 32 one side fixed connection on one side of slide 28.
Specifically, an air deflector 33 is fixedly arranged inside the L-shaped air inlet pipe 17.
Specifically, an insect-proof net 34 is fixedly arranged on the inner side of the L-shaped exhaust pipe 18.
Specifically, the door locking device comprises a rotating plate 35, a shaft hole is formed in one side of the rotating plate 35, a T-shaped shaft 36 is rotatably connected to the inner side of the shaft hole, one end of the T-shaped shaft 36 is fixedly connected to one side of the box body 1, a connecting hole is formed in one side of the rotating plate 35, a door lock box 37 is fixedly arranged on the inner side of the connecting hole, a sliding plate 38 is slidably connected to the inner side of the door lock box 37, a locking block 39 is fixedly arranged on one side of the sliding plate 38, a guide hole is formed in one side of the door lock box 37, the locking block 39 can be slidably connected to the inner side of the guide hole, a locking groove 40 is formed in one side of the protective door 25, the locking block 39 is detachably connected to the inner side of the locking groove 40, a supporting plate 41 is fixedly arranged on one side of the door lock box 37, a B spring 42 is fixedly arranged between one side of the supporting plate 41 and one side of the sliding plate 38, a handle hole is formed in one side of the supporting plate 41, a T-shaped handle 43 is movably connected to the handle hole, one end of the T-shaped handle 43 is fixedly connected to one side of the sliding plate 38.
Specifically, one side of the protective door 25 is provided with a mounting groove, and a sealing gasket 44 is fixedly arranged on the inner side of the mounting groove.
Specifically, a U-shaped handle 45 is fixedly arranged on one side of the box body 1, and a plurality of cushion blocks 46 are fixedly arranged on one side of the box body 1.
The utility model has the advantages that the audio filter 8 is arranged to have the filtering function when in use, thereby greatly reducing the noise and improving the tone quality, the audio converter 9 is arranged to have the audio switching function, the audio is diversified, and various use requirements can be met, the temperature sensor 10, the control processor 11, the closed box 16, the L-shaped air inlet pipe 17, the L-shaped exhaust pipe 18, the fixed plate 19, the air inlet fan 20, the net-shaped mounting plate 23 and the connecting plate 24 are arranged, when the temperature detected by the temperature sensor 10 reaches a certain value, the control processor 11 can automatically control the air inlet fan 20 to work, thereby having the intelligent heat dissipation function, the dust-proof function is arranged by the filter screen 22, the dust can be prevented from entering the box body 1, the filter screen 22 is convenient to disassemble by the disassembly frame 21 and the quick disassembly device, thereby being convenient to clean, have the clearance function of being convenient for, through setting up guard gate 25, lock a device, make it when not needing to use, can protect it, further improve its dustproof, waterproof performance, through setting up box 1, U type handle 45, make it have portable, have filtering, switch the audio, intelligence heat dissipation, be convenient for clear up, function such as dustproof.
When the sound source input device is used, a sound source input mode is selected from the Bluetooth module 4, the USB interface 5, the TRS interface 6 and the card reader 7, after a sound source signal is input, the sound source signal needs to be transmitted to the audio filter 8 for filtering, then the sound source signal is transmitted to the sound effect converter 9 for changing the sound effect, then the sound source signal is transmitted to the power amplifier 2 for amplifying power, and then the sound source signal is transmitted to the loudspeaker 3 for playing.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. An electronic device for audio data transmission comprises a box body (1), a power amplifier (2), a loudspeaker (3), a Bluetooth module (4), a USB interface (5), a TRS interface (6), a card reader (7), an audio filter (8), a sound effect converter (9), a temperature sensor (10), a control processor (11), a battery (12), a charging port (13) and a change-over switch (14), and is characterized in that an installation panel (15) is fixedly arranged on the inner side of the box body (1), an installation hole is formed in one side of the installation panel (15), the loudspeaker (3) is fixedly connected to the inner side of the installation hole, a plurality of through holes are formed in one side of the box body (1), the USB interface (5), the TRS interface (6), the card reader (7), the charging port (13) and the change-over switch (14) are fixedly connected to the inner side of the through holes, the battery (12) is fixedly connected to one side of the inner side of the box body (1), the charging port (13) is electrically connected with the battery (12) through a wire, the Bluetooth module (4), the USB interface (5), the TRS interface (6) and the card reader (7) are electrically connected with the audio filter (8) through wires, the audio filter (8) is electrically connected with the audio converter (9) through wires, the audio converter (9) is electrically connected with the power amplifier (2) through wires, the power amplifier (2) is electrically connected with the loudspeaker (3) through wires, the change-over switch (14) is electrically connected with the audio converter (9) through wires, the inner side of the box body (1) is provided with a closed box (16), an L-shaped air inlet pipe (17) and an L-shaped air outlet pipe (18), one side of the box body (1) and one side of the closed box (16) are provided with air inlets, and the L-shaped air inlet pipe (17) is fixedly connected to the inner side of the air inlets, box (1), closed box (16) one side all are equipped with the exhaust hole, the equal fixed connection in exhaust hole inboard of L type blast pipe (18), L type intake pipe (17) inboard is fixed and is equipped with fixed plate (19), fixed plate (19) one side is equipped with the through-hole, through-hole inboard is fixed and is equipped with air intake fan (20), the inboard detachable connection of L type intake pipe (17) is equipped with dismantles frame (21), it is equipped with quick dismounting device to dismantle frame (21) one side, it is fixed and is equipped with filter screen (22) to dismantle frame (21) inboard, closed box (16) inboard is equipped with netted mounting panel (23), netted mounting panel (23) one side is fixed and is equipped with two connecting plates (24), the equal fixed connection in connecting plate (24) one side is on one side in closed box (16), power amplifier (2), bluetooth module (4), Audio filter (8), audio converter (9), the equal fixed connection of control processor (11) are on netted mounting panel (23) one side, temperature sensor (10) fixed connection is on netted mounting panel (23) opposite side, the rotatable formula connection in box (1) one side is equipped with guard gate (25), box (1) one side is equipped with the locking door device, temperature sensor (10), air intake fan (20) all pass through wire and control processor (11) electric connection, control processor (11), power amplifier (2), speaker (3), audio filter (8), audio converter (9) all need pass through wire and battery (12) electric connection.
2. Electronic equipment for audio data transmission according to claim 1, characterized in that a support net (26) is fixed inside the L-shaped air inlet pipe (17).
3. The electronic device for audio data transmission according to claim 1, wherein the quick-release device comprises a detachable box (27), a detachable hole is formed in one side of the box body (1), the detachable box (27) is fixedly connected to the inner side of the detachable hole, a sliding sheet (28) is slidably arranged on the inner side of the detachable box (27), a clamping head (29) is fixedly arranged on one side of the sliding sheet (28), clamping head holes are formed in the detachable box (27) and one side of the L-shaped air inlet pipe (17), the clamping head (29) is slidably connected to the inner side of the clamping head hole, a clamping groove is formed in one side of the detachable frame (21), the clamping head (29) is detachably connected to the inner side of the clamping groove, an A spring (30) is fixedly arranged between one side of the sliding sheet (28) and one side of the detachable box (27), a cover plate (31) is fixedly arranged on the inner side of the detachable box (27), apron (31) one side is equipped with the slide opening, slide connection is equipped with T type and promotes piece (32) inside the slide opening, T type promotes piece (32) one side fixed connection on one side of slide piece (28).
4. The electronic audio data transmission device according to claim 1, wherein an air deflector (33) is fixed inside the L-shaped air inlet pipe (17).
5. The audio data transmission electronic device according to claim 1, wherein an insect-proof net (34) is fixed inside the L-shaped exhaust pipe (18).
6. The electronic device for audio data transmission according to claim 1, wherein the door locking device comprises a rotating plate (35), a shaft hole is formed in one side of the rotating plate (35), a T-shaped shaft (36) is rotatably connected to the inner side of the shaft hole, one end of the T-shaped shaft (36) is fixedly connected to one side of the box body (1), a connecting hole is formed in one side of the rotating plate (35), a door lock box (37) is fixedly arranged inside the connecting hole, a sliding plate (38) is slidably connected to the inner side of the door lock box (37), a locking block (39) is fixedly arranged on one side of the sliding plate (38), a guide hole is formed in one side of the door lock box (37), the locking block (39) is slidably connected to the inner side of the guide hole, a locking groove (40) is formed in one side of the protective door (25), and the locking block (39) is detachably connected to the inner side of the locking groove (40), the door lock is characterized in that a supporting plate (41) is fixedly arranged on one side of the door lock box (37), a B spring (42) is fixedly arranged between one side of the supporting plate (41) and one side of the sliding plate (38), a handle hole is formed in one side of the supporting plate (41), a T-shaped handle (43) is movably connected with the inside of the handle hole in a sliding mode, and one end of the T-shaped handle (43) is fixedly connected to one side of the sliding plate (38).
7. Electronic equipment for audio data transmission according to claim 1, characterized in that a mounting groove is provided on one side of the protective door (25), and a sealing gasket (44) is fixedly provided inside the mounting groove.
8. The electronic device for audio data transmission according to claim 1, wherein a U-shaped handle (45) is fixed on one side of the box body (1), and a plurality of pads (46) are fixed on one side of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159384.7U CN214101666U (en) | 2021-01-21 | 2021-01-21 | Audio data transmission electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159384.7U CN214101666U (en) | 2021-01-21 | 2021-01-21 | Audio data transmission electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214101666U true CN214101666U (en) | 2021-08-31 |
Family
ID=77439326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120159384.7U Active CN214101666U (en) | 2021-01-21 | 2021-01-21 | Audio data transmission electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214101666U (en) |
-
2021
- 2021-01-21 CN CN202120159384.7U patent/CN214101666U/en active Active
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