The past and present of USB connectors | FBelec
The past and present of USB connectors
2022-08-19
  • Electronic technology is changing with each passing day, and the USB connector interface, which is widely used in electronic computers and mobile phones, is naturally an exception.


    Before the advent of the USB interface , there were various interfaces on the computer. Such as the previous serial mouse, PS/2 interface keyboard, connecting serial game equipment, parallel port connecting needle printer, etc.



  • The characteristics of these interfaces are not only large block headers, but also slow transfer rates.1

    With the advancement of technology, the generation of USB 1.0 interface began to come out in 1996, in the early days, due to insufficient support of the windows system. Lack of software and hardware device support, although early computers were also equipped with USB ports, but due to poor compatibility, USB devices were scarce and mostly unused.


    Until 1998, two years later. With the appearance of USB 1.1 version , Microsoft began to build a support module for USB interface in Windows 98 system, which supports simultaneous connection of multiple devices, and has a real "plug and play" feature. The speed also reached 12Mbps, which is about 100 times faster than the standard serial transmission rate. Since then, USB devices have been generally favored by peripheral manufacturers. USB interface devices have gradually entered thousands of homes, and have gradually been accepted and known by people.


    With the footsteps of human beings entering the new century, USB devices have also entered the USB2.0 era. Not only the transmission rate of USB devices has been greatly improved, but the forms of interfaces have also become richer. Such as the common A-type port, the B-type port used on printing equipment, the new C-type used on mobile devices, etc. In addition, there are Micro usb interface, Mini usb interface and so on. As a result, USB has really entered a glorious period of rapid development.

    1. Support hot swap. In this way, when users use external devices, they can directly insert these USB cable devices into the USB interface and use them directly without restarting the computer.

    2, easy to carry. Most USB devices are known for being "small, light and thin". Such as the commonly used U disk equipment and so on.

    3. Unified standard. In the past, there were various interfaces on the computer, but after the emergence of the USB connector interface, the original standard was not uniform for various devices, such as PS/Q mouse, keyboard, etc., all used a unified USB interface.

    4. Multiple devices can be connected. At present, on a personal computer, a computer often has multiple USB interfaces, and several multiple USB devices can be connected at the same time. The convenience of using the device is greatly improved.


    After the USB interface appeared, the U disk eliminated the traditional 1.44-inch floppy disk, and also made the CD-ROM drive "glorious retirement". It turned out that the computer was broken and the CD-ROM drive was an inseparable device for reinstalling the system. Now, a small USB boot disk has all been done, and it is faster and easier to use.



  • Today's USB devices are not only brilliant, but also popular, such as Wi-Fi adapters, wireless mice, keyboards, etc. - making our computers more convenient to use, and the data transfer rate is higher, on desktops and laptops. Those old-fashioned interfaces are also starting to be phased out. The USB interface has begun to profoundly affect our lives, and it has also made us more and more convenient.

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