Patent ID: 8949972
Filing Date: 2015-02-03
Classification: G06F

Abstract:
1. An information recording system including a non-transitory recording medium capable of limiting a function by password and an information recording device for controlling the non-transitory recording medium, wherein the non-transitory recording medium comprises: a password register operable to store an input password; a password update counter operable to count each updating event of a password, the password being stored in the password register; a password comparator operable to compare an input password with a password stored in the password register; and a function limiter operable to limit a predetermined function of the recording medium according to the comparison result from the password comparator, and the information recording device comprises: a password manager operable to store a password and a password identification ID which is associated with the update count of the password; and a limitation cancel requester operable to: select a password stored in the password manager with reference to the update count of the password and the password identification ID output from the password related information provider; and output the selected password into the recording medium in order to cause the password comparator of the recording medium to compare the passwords.