CN218182644U - 48G high definition data line and audio and video equipment - Google Patents
48G high definition data line and audio and video equipment Download PDFInfo
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- CN218182644U CN218182644U CN202222241646.1U CN202222241646U CN218182644U CN 218182644 U CN218182644 U CN 218182644U CN 202222241646 U CN202222241646 U CN 202222241646U CN 218182644 U CN218182644 U CN 218182644U
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Abstract
The utility model discloses a 48G high definition data line and audio video equipment, 48G high definition data line includes: the signal input end of the signal input connector is used for connecting external source equipment; the signal output connector is provided with a plurality of signal output ends, and the signal output end of each signal output connector is used for connecting an external display device; the optical fiber cable comprises four optical fiber wire cores, the four optical fiber wire cores are divided into two groups which are arranged in parallel, each group comprises two optical fiber wire cores, one end of the optical fiber cable is connected with the signal input connector, and the other end of the optical fiber cable is connected with the signal output connector; the signal input connector and the signal output connector are in communication connection through an optical fiber cable, so that the external source equipment outputs audio and video signals to the external display equipment through the optical fiber cable. The utility model discloses technical scheme aims at realizing high definition audio and video signal's remote nondestructive transmission.
Description
Technical Field
The utility model relates to a data communication field, in particular to 48G high definition data line and audio and video equipment.
Background
With the improvement of living standard, the requirements of people on the resolution and frame rate of the audio and video equipment are increasingly improved, and most of the traditional data lines adopt copper or silver-plated copper and pure silver as wire cores, so that the traditional data lines are heavy, can be influenced by environmental factors such as electromagnetic interference, temperature and the like, and can cause frame dropping and signal loss when the data volume of audio transmission is large or the communication distance is long.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a 48G high definition data line and audio and video equipment, aim at realizing high definition audio and video signal's remote nondestructive transmission.
In order to achieve the above object, the utility model provides a 48G high definition data line includes:
the signal input end of the signal input connector is used for connecting external source equipment;
the signal output connector is provided with a plurality of signal output ends, and each signal output end of the signal output connector is used for being connected with an external display device;
the optical fiber cable comprises four optical fiber wire cores, the four optical fiber wire cores are divided into two groups which are arranged in parallel, each group comprises two optical fiber wire cores, one end of the optical fiber cable is connected with the signal input connector, and the other end of the optical fiber cable is connected with the signal output connector;
the signal input connector and the signal output connector are in communication connection through the optical fiber cable, so that the external source equipment outputs audio and video signals to the external display equipment through the optical fiber cable.
Optionally, the signal input connector comprises:
the first shell is provided with a first accommodating cavity;
the first connector is arranged on the first shell and comprises a signal input pin and a signal output end, the signal input pin of the first connector is connected with the output end of the external source equipment, and the first connector is used for receiving audio and video signals output by the external source equipment and outputting the audio and video signals through the signal output end;
first photoelectric conversion chip set up in first holding intracavity, first photoelectric conversion chip's input with the signal output part of first joint is connected, first photoelectric conversion chip's output with fiber cable connects, first photoelectric conversion chip be used for with first joint input audio and video signal carries out photoelectric conversion back and passes through fiber cable output corresponds light signal extremely the signal output connector.
Optionally, the first connector further includes a power pin and a power output end, the power pin of the first connector is connected to the external source device, the power output end of the first connector is connected to the power supply end of the first photoelectric conversion chip, and the first connector is further configured to access a power supply of the external source device and supply power to the first photoelectric conversion chip through the power output end;
the signal input connector further comprises a first TVS tube, the cathode of the first TVS tube is connected with the power output end of the first joint and the power supply end of the first photoelectric conversion chip respectively, and the anode of the first TVS tube is grounded.
Optionally, the signal output connector comprises:
the second shell is provided with a second accommodating cavity;
the input end of the second photoelectric conversion chip is connected with the optical fiber cable, and the second photoelectric conversion chip is used for performing photoelectric conversion on the received optical signal and then outputting the corresponding audio/video signal;
a plurality of second connects, and is a plurality of the second connect set up in on the second casing, each the second connects including signal input part and signal output pin, each the signal input part that the second connects with the output of second photoelectric conversion chip is connected, each the signal output pin that the second connects with one external display device's input is connected, each the second connects and is used for receiving the audio and video signal of second photoelectric conversion chip output and passes through signal output pin exports to one external display device.
Optionally, the second connector further includes a power pin and a power output end, the power pin of the second connector is connected to the external display device, the power output end of the second connector is connected to the power supply end of the second photoelectric conversion chip, and the second connector is further configured to access a power supply of the external display device and supply power to the second photoelectric conversion chip through the power output end;
the signal output connector further comprises a plurality of second TVS tubes, the cathode of each second TVS tube is respectively connected with the power output end of the second joint and the power supply end of the second photoelectric conversion chip, and the anodes of the plurality of second TVS tubes are all grounded.
Optionally, the fiber optic cable comprises:
the optical fiber cable comprises an optical fiber cable core, wherein a protective sleeve is arranged on the outer side of the optical fiber cable core, a waterproof layer is arranged on the outer side of the protective sleeve, and an insulating layer is arranged on the outer side of the waterproof layer.
Optionally, the waterproof layer is an asphalt waterproof layer, and the insulating layer is an insulating glue layer.
The utility model also provides an audio and video equipment, audio and video equipment includes as above 48G high definition data line.
The 48G high-definition data line of the technical scheme of the utility model is connected with external source equipment through the signal input connector, receives audio and video signals output by the external source equipment and transmits the audio and video signals to the signal output connector through the optical fiber cable, and a plurality of signal output ends of the signal output connector can output the audio and video signals to a plurality of external display equipment; the 48G high-definition data line can be free from external electromagnetic interference in the audio and video signal transmission process by adopting the optical fiber cable, the high fidelity of the audio and video signals is ensured, and the optical fiber is light in weight, good in flexibility and suitable for cable embedding. The utility model discloses aim at realizing high definition audio and video signal's remote nondestructive transmission.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of functional modules of an embodiment of a 48G high definition data line of the present invention;
fig. 2 is a schematic diagram of functional modules of another embodiment of the 48G high-definition data line of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a 48G high definition data line. With the improvement of living standard, the requirements of people on the resolution and frame rate of the audio and video equipment are increasingly improved, and the traditional data line has the situations of frame drop and signal loss when the data volume of audio transmission is large or the communication distance is long.
In order to solve the above problem, referring to fig. 1, in an embodiment of the present invention, the 48G high definition data line 100 includes:
a signal input connector 10, wherein a signal input end of the signal input connector 10 is used for connecting an external source device;
a signal output connector 20, said signal output connector 20 having a plurality of signal output terminals, each signal output terminal of said signal output connector 20 being for connection to an external display device;
the optical fiber cable 30 comprises four optical fiber wire cores, the four optical fiber wire cores are divided into two groups which are arranged in parallel, each group comprises two optical fiber wire cores, one end of the optical fiber cable 30 is connected with the signal input connector 10, and the other end of the optical fiber cable 30 is connected with the signal output connector 20;
the signal input connector 10 and the signal output connector 20 are in communication connection through the optical fiber cable 30, so that the external source device outputs audio and video signals to the external display device through the optical fiber cable 30.
In this embodiment, the signal input connector 10, the plurality of signal output connectors 20, and the optical fiber cable 30 may form a 48G high-definition data line 100, which may also be referred to as an HDMI line, the signal output connector 20 is connected to an external source device to receive audio/video data output by the external source device, the external source device may be a video device or an audio device such as a computer or a television, after receiving an audio/video signal output by the external source device, the signal output connector 20 may output the audio/video signal to the signal output connector 20 through the optical fiber cable 30, and then output the audio/video data to an external display device through the signal output connector 20, so that the external display device may display a video frame and play a same audio as the external source device, the external display device may be a video device or an audio device such as a television or a sound box, and the plurality of signal output terminals of the signal output connector 20 are connected to a plurality of external display devices, so that one external source device may output the audio/video signal to the plurality of external display devices, so as to meet requirements of users in special cases.
It can be understood that the optical fiber cable 30 has less loss in signal transmission process than a copper core cable, and is not affected by electromagnetic radiation and other factors of the external environment, and the longest transmission distance of the optical fiber can reach more than 300 m. Due to the adoption of optical signal transmission, the characteristics of strong interference resistance and stable transmission in the transmission process of the optical fiber high-definition data line are particularly important for home cinemas, and even in a living room cinema, the embedded high-definition data line is at least more than 10 meters. At present, the optical fiber high-definition data line meets the HDMI2.1 standard, can directly transmit 8K 60FPS ultra-clear signals and is not influenced by distance, and can be applied to various occasions requiring high-definition image display equipment output and large-area wiring connection, such as: the system comprises a home theater system, a remote information release system, a broadcast television control system, a public security high-definition monitoring system, a high-definition video conference office system, a multimedia system, a large-scale medical image system, an industrial automation system and the like.
Further, since the optical fiber cable 30 is for transmitting optical signals, and the audio/video signals are usually electrical signals, photoelectric conversion modules may be disposed in the signal input connector 10 and the signal output connector 20, so that the audio/video signals can be converted from electrical signals to optical signals and then to electrical signals in the 48G high-definition data line 100. The optical fiber cable 30 comprises four optical fiber cores, each of which can work at a frequency of 12Gbps, so that the total bandwidth is 48Gbps; four optic fibre sinle silks divide into parallel arrangement's two sets ofly, and each group includes that two optic fibre sinle silks can make the optic fibre sinle silk wrap up better, more conveniently bends and folding etc. for it is more convenient to bury the line.
The 48G high definition data line 100 of the technical scheme of the utility model is connected with external source equipment through the signal input connector 10, receives the audio and video signal output by the external source equipment and transmits the audio and video signal to the signal output connector 20 through the optical fiber cable 30, and a plurality of signal output ends of the signal output connector 20 can output the audio and video signal to a plurality of external display equipment; the adoption of the optical fiber cable 30 can prevent the 48G high-definition data line 100 from being interfered by external electromagnetic interference in the audio and video signal transmission process, ensure the high fidelity of the audio and video signals, and the optical fiber has lighter weight and better flexibility and is suitable for embedding the line. The utility model discloses aim at realizing high definition audio and video signal's remote nondestructive transmission.
Referring to fig. 2, in one embodiment, the signal input connector 10 includes:
the first shell is provided with a first accommodating cavity;
the first connector 11 is arranged on the first shell, the first connector 11 includes a signal input pin and a signal output end, the signal input pin of the first connector 11 is connected with the output end of the external source device, and the first connector 11 is used for receiving the audio and video signals output by the external source device and outputting the audio and video signals through the signal output end;
first photoelectric conversion chip 12 set up in first holding intracavity, the input of first photoelectric conversion chip 12 with the signal output part of first joint 11 is connected, the output of first photoelectric conversion chip 12 with optical fiber cable 30 is connected, first photoelectric conversion chip 12 be used for with first joint 11 is inputed audio and video signal carries out photoelectric conversion back and passes through optical fiber cable 30 output corresponding light signal extremely signal output connector 20.
In this embodiment, the housing may be used to fix the position relationship of each device, so as to ensure the safety and stability inside the accommodating cavity formed by the housing of the signal input connector 10, and when the signal input connector 10 works, the position relationship of each device does not change, and external gas or objects cannot fall on the circuit board, which affects the circuit work on the circuit board; the housing also protects the exterior of the signal input connector 10, and the housing has a better bearing effect on external force mainly through the middle surface stress uniformly distributed along the thickness. The input pin of the first connector 11 is connected to an audio/video interface of an external source device, and then receives an audio/video signal output by the external source device, and outputs the audio/video signal to the first photoelectric conversion chip 12, where the photoelectric conversion chip is a device capable of implementing photoelectric conversion or electro-optical conversion, converts the electrical signal, that is, the audio/video signal, into an optical signal representing audio/video, and then outputs the optical signal to the signal output connector 20 through the optical fiber cable 30, and then outputs the optical signal to an external display device through the signal output connector 20, thereby completing signal transmission. In this embodiment, the first connector 11 and the first photoelectric conversion chip 12 can convert the audio/video signal output by the external source device into an optical signal and output the optical signal to the signal output connector 20 through the optical fiber cable 30.
In an embodiment, the first connector 11 further includes a power pin and a power output end, the power pin of the first connector 11 is connected to the external source device, the power output end of the first connector 11 is connected to the power supply end of the first photoelectric conversion chip 12, and the first connector 11 is further configured to access a power supply of the external source device and supply power to the first photoelectric conversion chip 12 through the power output end;
the signal input connector 10 further includes a first TVS tube, a cathode of the first TVS tube is connected to the power output end of the first connector 11 and the power supply end of the first photoelectric conversion chip 12, and an anode of the first TVS tube is grounded.
In this embodiment, since the first photoelectric conversion chip 12 needs a working voltage, the first connector 11 may be connected to an external source device through a power pin to provide the working voltage to the first photoelectric conversion chip 12, and a protocol between the HDMI data line and the external device may support the external source device to provide a +5V power supply to the data line; the first TVS tube is a transient voltage suppression diode, under the specified reverse application condition, when a high-energy transient overvoltage pulse is borne, the working impedance of the first TVS tube can be immediately reduced to a very low conduction value, a large current is allowed to pass through, and the voltage is clamped to a preset level, so that precision components in an electronic circuit are effectively protected from being damaged; the cathode of the first TVS tube is connected to the power output end of the first connector 11 and the power supply end of the first photoelectric conversion chip 12, and the anode of the first TVS tube is grounded, so that the first photoelectric conversion chip 12 is protected from being damaged when the circuit static electricity is large, and the overall ESD rating is improved. In this embodiment, the power pin of the first connector 11 can be connected to a power supply of an external source device to supply power to the first photoelectric conversion chip 12, and the ESD rating of the circuit can be improved by setting the first TVS tube, so that the first photoelectric conversion chip 12 can also work normally when the static electricity is large.
Referring to fig. 2, in one embodiment, the signal output connector 20 includes:
the second shell is provided with a second accommodating cavity;
the input end of the second photoelectric conversion chip 21 is connected with the optical fiber cable 30, and the second photoelectric conversion chip 21 is used for performing photoelectric conversion on the received optical signal and then outputting the corresponding audio/video signal;
a plurality of second joints 22, it is a plurality of second joint 22 set up in on the second casing, each second joint 22 includes signal input part and signal output pin, each the signal input part of second joint 22 with the output of second photoelectric conversion chip 21 is connected, each the signal output pin of second joint 22 with one the input of external display equipment is connected, each second joint 22 is used for receiving the audio and video signal of second photoelectric conversion chip 21 output and pass through signal output pin is exported to one external display equipment.
In this embodiment, the function of the second housing can refer to the function of the first housing in the above embodiments, which is not described herein; the second photoelectric conversion chip 21 may adopt the same device as the first photoelectric conversion chip 12, and after receiving the optical signal transmitted by the first photoelectric conversion chip 12 through the optical fiber cable 30, the second photoelectric conversion chip 21 may convert the optical signal into an audio/video signal and output the audio/video signal to the second connector 22, and after an output pin of the second connector 22 is connected to an audio/video interface of an external display device, the audio/video signal output by the second photoelectric conversion chip 21 may be output to the external display device, so that the external display device may play audio information same as the external source device or display video information same as the external source device, and the plurality of second connectors 22 may be connected to a plurality of external display devices, so that a user may output audio/video of one external source device to the plurality of external display devices, and may be applied to a special scene. In this embodiment, the second photoelectric conversion chip 21 and the plurality of second connectors 22 can receive the optical signal transmitted by the signal input connector 10 through the optical fiber cable 30, convert the optical signal into an audio/video signal, and output the audio/video signal to the plurality of external display devices.
In an embodiment, the second connector 22 further includes a power pin and a power output end, the power pin of the second connector 22 is connected to the external display device, the power output end of the second connector 22 is connected to the power supply end of the second photoelectric conversion chip 21, and the second connector 22 is further configured to access a power supply of the external display device and supply power to the second photoelectric conversion chip 21 through the power output end;
the signal output connector 20 further includes a plurality of second TVS tubes, a cathode of each of the second TVS tubes is connected to a power output end of the second connector 22 and a power supply end of the second photoelectric conversion chip 21, and anodes of the plurality of second TVS tubes are all grounded.
In this embodiment, the power pin of the second connector 22 is also used for accessing a power supply of the display device, and specific reference may be made to the function of the power pin of the first connector 11 in the above embodiment, which is not described herein again; the function of the second TVS tube can also refer to the function of the first TVS tube in the above embodiments, and is not described herein again; when a plurality of second connectors 22 are connected to the external display device, a plurality of voltages are connected to the second photoelectric conversion chip 21, and when the voltage is too large, the second photoelectric conversion chip 21 may be damaged, so that a voltage reduction circuit, such as a DC-DC circuit, may be disposed between the power output terminals of the plurality of second connectors 22 and the second photoelectric conversion chip 21, so as to prevent the second photoelectric conversion chip 21 from being damaged due to the too large voltage.
In one embodiment, the fiber optic cable 30 includes:
the optical fiber cable comprises an optical fiber cable core, wherein a protective sleeve is arranged on the outer side of the optical fiber cable core, a waterproof layer is arranged on the outer side of the protective sleeve, and an insulating layer is arranged on the outer side of the waterproof layer.
In this embodiment, the protective sleeve disposed outside the optical fiber core may prevent the core from scattering, and the protective sleeve may be a flexible protective sleeve such as a plastic protective sleeve, so that the optical fiber cable 30 may be bent, because the optical fiber core is flexible and has bending resistance; the outer side of the protective sleeve can be provided with a waterproof layer, so that the optical fiber core is prevented from being contacted by water or other liquid to influence data transmission, and the waterproof layer can be made of a material with better sealing property; the insulating layer is arranged on the outer side of the waterproof layer, so that voltage and current which are leaked from the outside can be prevented from entering the signal input connector 10 or the signal output connector 20 through the optical fiber cable 30 to influence data transmission, and the insulating layer can be made of insulating materials such as rubber. This embodiment is provided with the protective sheath through the optical fiber core outside, and the protective sheath outside sets up the waterproof layer, and the waterproof layer outside sets up the insulating layer, can play effectual guard action to the optical fiber core.
In one embodiment, the waterproof layer is an asphalt waterproof layer, and the insulating layer is an insulating glue layer.
In the embodiment, the waterproof layer can adopt asphalt which is a dark brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids and mostly exists in a liquid or semisolid petroleum form, and the asphalt is arranged on the protective sleeve of the optical fiber wire core and can effectively prevent water after being solidified; the insulating layer can adopt insulating cement, the insulating cement is a composite cement with good electrical insulation performance, the conformality and the integrity of the insulating cement are good, and the insulating cement is excellent in heat resistance, heat conduction and electrical performance and is more suitable for the optical fiber cable 30.
The utility model discloses still provide an audio and video equipment.
In one embodiment, the audio video device includes a 48G high definition data line 100 as described above. The specific structure of the 48G high-definition data line 100 refers to the above embodiments, and since the audio and video device adopts all the technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the technical ideas of the present invention are utilized, the equivalent structure transformation made by the contents of the specification and the drawings, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A48G high definition data line, the 48G high definition data line comprising:
the signal input end of the signal input connector is used for connecting external source equipment;
the signal output connector is provided with a plurality of signal output ends, and each signal output end of the signal output connector is used for being connected with an external display device;
the optical fiber cable comprises four optical fiber wire cores, the four optical fiber wire cores are divided into two groups which are arranged in parallel, each group comprises two optical fiber wire cores, one end of the optical fiber cable is connected with the signal input connector, and the other end of the optical fiber cable is connected with the signal output connector;
the signal input connector and the signal output connector are in communication connection through the optical fiber cable, so that the external source equipment outputs audio and video signals to the external display equipment through the optical fiber cable.
2. The 48G high definition data line of claim 1 wherein the signal input connector comprises:
the first shell is provided with a first accommodating cavity;
the first connector is arranged on the first shell and comprises a signal input pin and a signal output end, the signal input pin of the first connector is connected with the output end of the external source equipment, and the first connector is used for receiving audio and video signals output by the external source equipment and outputting the audio and video signals through the signal output end;
first photoelectric conversion chip set up in first holding intracavity, first photoelectric conversion chip's input with the signal output part of first joint is connected, first photoelectric conversion chip's output with fiber cable connects, first photoelectric conversion chip be used for with first joint input audio and video signal carries out after the photoelectric conversion through fiber cable output corresponds the light signal extremely the signal output connector.
3. The 48G high-definition data line according to claim 2, wherein the first connector further comprises a power pin and a power output end, the power pin of the first connector is connected with the external source device, the power output end of the first connector is connected with the power supply end of the first photoelectric conversion chip, and the first connector is further used for connecting a power supply of the external source device and supplying power to the first photoelectric conversion chip through the power output end;
the signal input connector further comprises a first TVS tube, the cathode of the first TVS tube is connected with the power output end of the first joint and the power supply end of the first photoelectric conversion chip respectively, and the anode of the first TVS tube is grounded.
4. The 48G high definition data line of claim 3 wherein the signal output connector comprises:
the second shell is provided with a second accommodating cavity;
the input end of the second photoelectric conversion chip is connected with the optical fiber cable, and the second photoelectric conversion chip is used for performing photoelectric conversion on the received optical signal and then outputting the corresponding audio/video signal;
and the second connectors are arranged on the second shell, each second connector comprises a signal input end and a signal output pin, each signal input end of the second connector is connected with the output end of the second photoelectric conversion chip, each signal output pin of the second connector is connected with the input end of the external display equipment, and each second connector is used for receiving the audio and video signals output by the second photoelectric conversion chip and outputting the audio and video signals to the external display equipment through the signal output pin.
5. The 48G high-definition data line according to claim 4, wherein the second connector further comprises a power pin and a power output end, the power pin of the second connector is connected with the external display device, the power output end of the second connector is connected with the power supply end of the second photoelectric conversion chip, and the second connector is further used for connecting a power supply of the external display device and supplying power to the second photoelectric conversion chip through the power output end;
the signal output connector further comprises a plurality of second TVS tubes, the cathode of each second TVS tube is respectively connected with the power output end of the second joint and the power supply end of the second photoelectric conversion chip, and the anodes of the plurality of second TVS tubes are all grounded.
6. The 48G high definition data line of claim 1, wherein the fiber optic cable comprises:
the optical fiber cable comprises an optical fiber cable core, wherein a protective sleeve is arranged on the outer side of the optical fiber cable core, a waterproof layer is arranged on the outer side of the protective sleeve, and an insulating layer is arranged on the outer side of the waterproof layer.
7. The 48G high definition data line of claim 6, wherein the waterproof layer is an asphalt waterproof layer, and the insulating layer is an insulating glue layer.
8. An audio-visual device characterized in that it comprises a 48G high definition data line according to any one of claims 1 to 7.
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| CN202222241646.1U CN218182644U (en) | 2022-08-24 | 2022-08-24 | 48G high definition data line and audio and video equipment |
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| CN202222241646.1U CN218182644U (en) | 2022-08-24 | 2022-08-24 | 48G high definition data line and audio and video equipment |
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