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VGA cable is included, simply do not send, face this situation, consumers should also learn to "calm", then we will buy a vga line! The interface type needs to be noted: In addition to the VGA interface, DVI and HDMI are the current mainstream video interfaces. Take the DVI interface as an example. When purchasing, you should purchase the DVI-I line by name, which can transmit digital signals and analog signals at the same time. As for the HDMI interface, the three versions 1.1, 1.2,...
The syv video cable refers to the solid polyethylene insulated coaxial cable. The national standard code is the RF cable - also known as the "video cable". The video cable generally refers to the TV cable, and can also be used as a surveillance camera cable in the security field. Below are the parameters of the general video line 75 stands for resistance, and the rear 3 and 5 represent its insulated outer diameter (3mm/5mm) S---coaxial RF cable in SYV, Y---polyethylene, V---polyvinyl...
Same point 1. The same characteristic impedance - 75 ohms; 2. The outer sheath, the shielding layer structure, the outer diameter of the insulating layer, the number of the selection, the material selection, and the number of shielding layers are basically the same. Difference between SYV and SYWV 1. The physical properties of the insulating layer are different: syv is 100% polyethylene filled, dielectric constant ε = 2.2-2.4; and sywv is also filled with polyethylene, but filled with 80% of...
A high-definition video line is an HDMI cable that transmits both video and audio signals. If the playback device is a Blu-ray player or a high-definition hard disk player, directly from the HDMI output port of the player, use the HDMI cable to connect to the HDMI input port of the TV. If the playback device is a computer, you need a computer graphics card with an HDMI output connector that connects to the TV's HDMI input.
This article refers to the address: http:// Cypress Semiconductor Corp. (Cypress) today announced the addition of two new multi-rate video cable equalizers to its portfolio of diversified solutions for the professional video equipment market. The new HD/SD/DVB-ASI (HD/SD/Digital Video Broadcasting-Asynchronous Serial Interface) video equalizer products are used for shorter cable length applications, while the new SD/DVB-ASI video equalizer is only available. Requirements for broadcast equipment...
Some time ago, a lot of weak friends often asked about the transmission distance of the interface. Today, we have come to a variety of video interface transmission distance. First, the video signal interface monitoring video cable type description: SYV and SYWV are divided into two types according to the materials. The physical layer structure of the insulating layer is different. SYV is a solid polyethylene cable. SYWV is a high-physical foaming cable. The physical foaming cable has better...
Video signal transmission cable The video signal transmission cable shall meet the following requirements: Baseband transmission or RF transmission shall be adopted according to the image signal, and the selection of video cable or RF cable shall be determined; the protective layer of the selected cable shall be suitable for the requirements of the cable laying method and the use environment (such as climate and environment, whether or not Harmful substances, interference sources, etc.);...
Video surveillance is more and more widely used in today's life. The performance of the cable will also affect the stability of the monitoring operation. The effect of the screen transmission is also related to the cable. Below, we will introduce the common problems and solutions for video surveillance cables. Video monitoring cable common problems and solutions 1. For the coaxial cable with aluminum foil shielding, if the aluminum foil is not sticky when handling aluminum foil, all exposed...
At present, as domestic security cable companies continue to regulate the industry order and the market environment is gradually healthy, through the continuous improvement of their own strength and the continuous extension of products and services, the security cable industry will be like the spring breeze of China's security industry and will certainly receive With vigorous development, let us join hands and work together to deepen the security of this promising industry. Video monitoring...
As the main tool for high-rise passengers/cargoes, elevators will become more and more widely used in the future. It is the most common public place. Therefore, it is necessary to install surveillance cameras in elevators. In the past, elevator monitoring was to mix video cables in accompanying cables. The output from the elevator room was connected to the monitoring center. The system architecture was simple. However, the elevator shaft is a relatively complicated environment. The video...
The use of twisted pair transmission in elevator monitoring is the most important route, and it is best to exit from the middle of the hoistway. The cable needs to be laid in the hoistway and bundled with the accompanying cable. First, the accompanying cable is bundled with a wide cable tie, and then the small cable tie is fixed from the cable tie. 20-30CM bundled once, each reserved 3CM room (according to a finger can be accommodated), but the twisted-pair cable needs to be reserved and fixed...
In the era of 4K HD, mobile Internet and other concepts, the video consumer market is already a Red Sea. One side is Youku, iQIYI, Sohu, LeTV, PPS, Thunder and other online video sites, integrating vast amounts of content with capital advantages to attract users to form new viewing habits on PCs and mobiles. On the other hand, many off-line competitors such as telecommunications and China Unicom, as well as traditional operators, have continuously introduced many IPTVs with rich concessions and...
Everyone knows that the emergence of online video has had a certain impact on traditional broadcast and television programs. Recently, Stream Media, a city research agency focused on online video, released a set of 2017 global online video research reports. In the research report, the impact of online video on traditional radio and television shows was disclosed. Let's look at it together. Unexpectedly, the duration of online video watch will be ultra-cable TV According to the research...
In this statement, the landlord is really an acute child. . . . . . The goods were raised by Taobao. They bought a package of 89 and included two heads and two data lines. Taobao crowd funding address is as follows: WSKEN Chrysanthemum Magnetic Wire Redefines Your Data Line! WSKEN metal magnetic wire is a high-quality wire that subverts traditional data lines. It uses neodymium iron boron magnets, wire separation, one second connection, first-line multi-purpose. Direct link to hi.taobao.com The...
The status of cable TV is being gradually marginalized, at least from the perspective of everyone's choice. According to authoritative data provided by Variety, the cumulative time for YouTube users to watch videos on TV every day exceeds 100 million hours, which means that cable TV is once again left out. Compared to CATV, video websites are richer in content and variety, and in addition to young users, old users can still find their favorite programs. This is also the main reason they...
Before we introduced "Common Home Theater Signal Line Classification and Connection Usage", explained various wires in detail, and today we will talk about common audio and video cable classifications in an easy-to-understand way. The speaker cable is used to connect the amplifier and the speaker. The current signal flowing in it is much larger than the video and audio cables mentioned above. Because of the large amplitude of the signal, such wires often have no shielding layer. For this kind...
Video signal transmission cable The video signal transmission cable shall meet the following requirements: Baseband transmission or RF transmission shall be adopted according to the image signal, and the selection of video cable or RF cable shall be determined; the protective layer of the selected cable shall be suitable for the cable laying method and the requirements of the use environment (eg Climatic environment, presence of harmful substances, interference sources, etc.); outdoor lines,...
Tags: video cable low frequency interference This article refers to the address: Visual appearance identification: 1. PVC sheath: The surface can be seen to have a regular "unevenness" in the inner mesh, indicating that the processing technology is good and there is no relative sliding, which is a good cable. The appearance is smooth, and the "unevenness" of the compacted net is not seen. The hand-pinched jacket has a loose feeling, which is a poor cable; 2. Check the shielding layer network:...
(1) Visual inspection of appearance: 1. PVC sheath: The cable is made of high-quality PVC with high temperature resistance of 70o and low temperature of minus 20o. The surface is smooth, smooth and fine, the color is black, and the tensile strength is very good. It should be able to see the pressure from the surface of the cable. Tightly inside the net has a regular "unevenness", which shows that the extrusion process of Ucoax cable is good, does not produce relative sliding, is a good cable....
In order to reduce mutual crosstalk and external interference between loops, the cable is shielded. The shielding requirements of cables are based on different occasions. They are: twisted-pair shielding, total twisted-pair cable shielding, twisted-pair shielding and total shielding and other methods. Shielding materials are round copper wire, copper tape, aluminum tape/plastic composite tape. The shielding pair and the shielding pair have better insulation performance. If the potential...
How to use the video cable in video surveillance? Many people will encounter problems on this issue. The following is a brief introduction to this issue by Ucoax Cable! The transmission mode plays an important role in the monitoring system. Different distances are selected from the perspective of cost to select different wire specifications. The transmission methods in the monitoring transmission include video lines, network cables and optical fibers. The Ucoax cables explain to everyone if you...
The first thing to buy a video cable is how to identify the video cable. In the actual project, how to identify the quality of the video line? First, visual appearance identification: 1. PVC sheath: The surface can be seen to have a regular "unevenness" in the inner mesh, indicating that the processing technology is good, and there is no relative sliding, which is a good cable. The appearance is smooth, and the "unevenness" of the compacted net is not seen. The hand-pinched jacket has a loose...
(1) Visual inspection of appearance: 1.PVC sheath: The cable is made of high-quality PVC with high temperature resistance of 70o and low temperature of minus 20o. The surface is smooth, smooth and fine, the color is black, and the tensile strength is very good. It should be able to see the pressure from the surface of the cable. Tightly inside the net has a regular "unevenness", which shows that the extrusion process of Zhenya cable is good, does not produce relative sliding, is a good cable....
At present, a major event has taken place in the electronics field of home appliances - the HDMI standard has undergone a huge upgrade. The HDMI Forum official officially announced the HDMI 2.1 technology standard. The new standard will target the future video output direction and can support lossless video at 4K/120Hz, 8K/60Hz, 10K resolution and refresh rates, and also supports dynamic HDR. Compared to HDMI 2.0, HDMI 2.1 has increased a lot in broadband, with a maximum of 48 Gbps. However,...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.