The USB Connector Explains Why Users Have to Plug the USB Device

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Universal serial Bus (USB) standard was born more than 20 years ago by Ajay Bhatt, chief engineer at IBM and Intel engineers. It has opened the popular USB era to the present.

In an interview with NPR Friday recently, Ajay Bhatt admitted that designing this connection port makes it easy for users to confuse the right direction. However, there is a reason for it to be designed so.

Bhatt said: ' Choosing the right way to plug in the USB properly makes many people uncomfortable. If the USB is designed in the same way, can be plugged in any way, it will help users avoid unpleasant situations but make the production cost doubled because the number of wires and circuits must double. '

At that time, in order for USB to be universally popular, researchers tried to get its price to the lowest level so it did not design the same way.

Over the years, USB has become a common, popular standard all over the world. Now we have a USB-C connector, which allows users to plug the connection port in both directions, but to completely replace regular USB ports, it will probably be very very long time.