Device and method for inputting password using random keypad
OwnerHwa-Shik Shininventor
Life of this patent
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Abstract
A device and a method for inputting passwords in ATM or door-lock and etc, having display means are provided. In particular, said device comprises a keypad in display means where numbers or letters for passwords are arranged randomly, and further comprises a keypad providing an indirect password numbers or letters randomly arranged, according to an original password, to be input in another indirect password keypad such that the original password of a user can be protected effectively from the others eye.
Claims17
An unmanned terminal comprising:
- a display unit which provides information on the sequence and procedure of usage for financial transaction and according to user's input, displays a next screen;
- a card or bankbook recognition unit which recognizes a card or a bankbook when the card or bankbook is inserted according to the procedure displayed on the display unit;
- a user detail retrieval unit which reads out the account number of the card or bankbook inserted into the card or bankbook recognition unit and retrieves financial information of the user from the main server of a financial institution;
- an input unit with which transaction details and a password are input according to a procedure information screen displayed on the display unit;
- a memory which stores a program for displaying usage procedure information sequentially on the display unit;
- a CPU which executes the program stored in the memory;
- and
- a comparison unit which compares a password input through the input unit with the password of the user retrieved from the main server,
- wherein the memory stores cases of numbers to randomly arrange 10 numbers from 0 to 9, and a program to provide a randomly arranged password keypad on the display unit by using the cases of numbers, and the CPU drives the program to randomly arrange 10 numbers stored in the memory to display a randomly arranged password keypad on the display unit.
A locking device in which a password is input by using a randomly arranged keypad to be authenticated as an authorized user, the locking device comprising:
- a display unit which displays a password keypad in order to set a password or input a set password;
- an input unit with which a password is input through a password keypad displayed on the display unit;
- a memory which stores cases of numbers or letters for randomly arranging 10 numbers or letters, and a program to display a password keypad randomly arranged by using the cases of numbers or letters on the display unit;
- a CPU which drives the program stored in the memory, displays a password keypad on the display unit for setting a password or inputting a set password, and obtains an input password;
- a comparison unit which sets and stores the password and compares it with a password input through the input unit;
- a locking unit which locks or unlocks according to the comparison result of the comparison unit;
- and
- a power supply unit which operates the locking device.
Dependencies are inferred from the claim text.