Patent ID: 11948032
Assignee: FUJIFILM CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A method for operating a noncontact communication medium that includes a memory incorporated in or connected to a processor and performs noncontact communication with an external communication device,
in which the memory has a storage block where information determined depending on a specification of a magnetic tape cartridge, in which the noncontact communication medium is mounted, is stored, and
the storage block has an identifier storage field where an identifier capable of specifying the noncontact communication medium is stored,
the method comprising:
writing the identifier given from the external communication device to the noncontact communication medium by the noncontact communication in the identifier storage field;
executing locking processing of locking the identifier storage field in response to a specific command given from the external communication device to the noncontact communication medium by the noncontact communication; and
switching between on and off of a flag indicating permission of the locking processing in response to an external instruction.