History of the invention of U disk

When U disk instead of floppy disk become people's common mobile storage tools, few people know that U disk is not a product name but a company registered flash disk trademark, and this invention of the world's first flash disk, and thus won the flash disk global basic invention patent company, its founder, one of the invention patent holders, Harbin Lang Ke Technology Co., LTD. President Lv Zhengbin, At the beginning of the business, we set up a home in Harbin Development Zone Overseas Scholars Pioneer Park, and led the development trend of the global mobile storage industry together with Shenzhen Lang Ke Company.

The OnlyDisk launched by Ronco is the world's first new generation of storage products based on USB interface and using Flash Memory media. Flash disk is the only original invention patent achievement of Chinese in the field of computer storage in the past 20 years.

USB flash drive, USB interface and plug and play
Generally speaking,USB is one of the interface types of peripheral devices connected to the computer host. In addition to the USB interface, there are interfaces such as parallel bus. However, the USB interface has a great advantage that makes it very popular in this field, that is, the device with this interface can be plugged and played on the computer (plug and play is sometimes called hot plug).
When the computer is turned on, the peripheral devices should be turned on before the host power supply, and the order is reversed when the computer is turned off. The reason to follow this power-on sequence is that before the computer starts, all peripheral devices must be powered on and ready, and then wait for the host to check these devices one by one and install the corresponding software. This is the only way for the computer to function properly, otherwise the peripheral device may not be available or the computer may not recognize the peripheral device.
The emergence of the USB interface has changed this situation, if a device is a USB interface, then it can be inserted into the computer host at any time, no matter what state the computer is in at this time, and if you want to take the device, just in accordance with the standard operation can safely remove the device from the computer. This undoubtedly provides great convenience for people's study and life.
Therefore, from the name of the U disk, we can see that the storage disk is a USB interface, because the storage disk is a USB interface, so the storage disk can be plugged and played on the computer, that is to say, the storage disk is a removable storage disk, it can be carried. Therefore, the U disk in the broad sense is actually a mobile storage device. And the narrow sense of U disk only refers to flash disk.
Flash disk is a removable storage disk that uses flash memory technology to store data information. Flash memory technology is a memory technology that has just emerged in the computer field for a few years. It has many advantages compared with the traditional electromagnetic storage technology: first, this storage technology has no mechanical movement in the process of storing information, which makes its operation very stable, thereby improving its seismic performance, making it the most afraid of vibration of all storage devices. Second, because it does not exist similar to floppy disks, hard disks, optical disks and other high-speed rotating platters, so its volume can often be made very small. Today's MP3 players can be made very small because of the use of this storage technology.
For example, if someone says he has a USB flash drive, it may be an ordinary portable hard drive, it may be a micro-hard drive that has just emerged in recent years, and it may be a flash drive. Of course, as mentioned earlier, the current U disk generally refers to a flash disk, so we usually understand that what he has is a flash disk.