Secure digital (SD) memory card with switchable chips and control method
A memory chip and security technology, applied in the protection of internal/peripheral computer components, etc., can solve the problems of loss of sensitive files, threat of use of ordinary SD card smart terminals, adverse effects, etc., to maintain the convenience of use and improve data security. Effect
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[0019] For the convenience of describing the present invention, the embodiment selects a computer as an intelligent terminal for implementation.
[0020] The present invention will be described in detail below through an embodiment on a computer in conjunction with the accompanying drawings.
[0021] The secure SD card of the present invention physically includes an SD controller, a public storage chip, and a secure storage chip. Users control the secure SD card by installing and running special control software in various intelligent terminals such as mobile phones, tablet computers, digital cameras, digital video cameras, personal digital assistants, multimedia players, and computers. figure 1 It is a schematic diagram of the secure SD card of the present invention.
[0022] After the secure SD card of the present invention is inserted into the computer, a removable storage drive letter is added to the computer file system, and the drive letter displays the file content of ...
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