This section provides an overview for adapter cables as well as their applications and principles. Also, please take a look at the list of 11 adapter cable manufacturers and their company rankings.
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Adapter cables are used to take signals from input/output terminals for video, audio, data, etc. and connect them to other devices.
There are three types of conversion cables: one is used to convert only the connector between the transmitting and receiving devices while leaving the signals themselves unchanged, the other is used to convert the contents of the signals themselves, and the other is a combination of the two.
Adapter cables work in a similar way to conversion connectors, which only convert signals or physical connectors, but do not include a cable to connect devices that are separated from each other.
Adapter cables with HDMI terminals for transmitting video, audio, and control signals and USB terminals for sending and receiving data when connected to a PC or peripheral devices are among the most commonly used conversion cables.
Adapter cables may be used between devices with different terminal shapes in the case of HDMI terminals.
In addition to the above, adapter cables are also available to convert between different signal formats. These cables are often used to bridge signals between devices with VGA or RCA terminals that transmit analog video signals, DVI terminals that transmit video signals digitally, and DisplayPort terminals that transmit digital video and audio signals. Adapter cables exist for HDMI terminals on one side and VGA terminals, RCA terminals, DVI terminals, and terminals for DisplayPort on the other side.
In the case of USB terminals, as with HDMI, there are many with multiple terminal shapes, so adapter cables are used to convert the shapes of these terminals.
The following is an overview of the HDMI and USB technical standards on which HDMI and USB adapter cables are based.
HDMI is an interface standard for digital consumer electronics that allows video, audio, and control signals, including authentication between devices, to be transmitted over a single signal; before the HDMI standard was created, these signals had to be transmitted separately.
HDMI has multiple connector configurations, as well as multiple standards, and is classified as Type A through Type E. Type A has 19 pins and is the standard. Type A is the standard size with 19 pins and is used in PCs, notebooks, and BD players.
Type C, also known as mini HDMI, has 19 pins and is used with cameras and digital video cameras. Type D, also known as micro-HDMI, and Type E, used for in-vehicle equipment, are also available.
Like HDMI, USB also has multiple standards. Type A is the standard size and is used for PCs and notebooks.
Type B is slightly larger, almost square, and is used in printers and scanners. Type C is a type that can be plugged in either up or down and is beginning to be used in smartphones and PCs, and is expected to increase in the future.
There is also a micro USB, which is a more compact version of Type A and is used in PCs and digital cameras.
*Including some distributors, etc.
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