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

Claim 0:
1. A noncontact communication medium comprising:
a processor; and
a memory incorporated in or connected to the processor,
wherein the noncontact communication medium performs noncontact communication with an external communication device,
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,
the storage block has an identifier storage field where an identifier specifying the noncontact communication medium is stored, and
the processor is configured to:
write the identifier given from the external communication device to the noncontact communication medium by noncontact communication, in the identifier storage field,
execute 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
switch between on and off of a flag indicating permission of the locking processing in response to an external instruction.