Patent ID: 8607062

Claim:
A lock system, comprising: a locker device comprising a first USB connector, a password input unit configured for allowing a user to input a password, and a control unit configured for unlocking the locker device, the locker device comprising a unique first serial number; a USB key comprising a second USB connector for connection to the first USB connector, a memory unit, and a decrypting unit, the memory unit being configured for storing a password for unlocking the locker device and a unique second serial number, the decrypting unit comprising a serial number identification unit configured for determining whether the second serial number matches the first serial number, a password identification unit configured for determining whether a password inputted into the password input unit matches the password stored in the memory unit and producing a decrypting instruction to unlock the locker device if the inputted password matches the stored password, the locker device configured for transmitting the inputted password to the USB key through the connected first and second USB connectors, the USB key configured for transmitting the decrypted instruction to the locker device through the connected first and second USB connectors to enable the control unit to unlock the locker device; and a network database and a computer, the locker device and the computer being in connection with the network database, the locker device further comprising an information output unit, the information output unit being configured for transmitting lock status information of the locker device to the network database, the computer comprising a third USB connector for connection to the second USB connector, to allow the USB key to access the network database, the network database comprising a memory module, a password input module and an identification module, the memory module being configured for storing historical access information of the locker device and a plurality of serial numbers of the USB key, the password input module being configured for inputting a password for accessing the network database, the identification module being configured for determining whether the second serial number of the USB key electrically connected to the computer is stored in the memory module and whether a password input into the password input module is correct.