2004-054473 is referenced by 2 patents.

PROBLEM TO BE SOLVED: To provide a memory card with a use limiting function capable of easily setting a user, a use apparatus, use conditions or the like, and to provide a device and a method applied therewith.SOLUTION: In the memory card 1 with a copyright protecting function incorporated with a controller LSI, a secure area 101 and a semi-secure area 102 are configured to store data for copyright protection such as key data or license data, and used as an area inaccessible with a command. On the other hand, a standard memory area 103 is used as an area accessible with a command, and encrypted contents or non-secure data are stored in a conventional memory card. This invention is configured by newly adding a use condition setting area part 104 in which use limit information is registered. An permitted user is limited to the reading of the data stored in the use condition setting area 104.

Memory card, information apparatus and information distribution method
Application Number
Publication Number
Application Date
July 18, 2002
Publication Date
February 19, 2004
Sakamoto Koji
Osabe Taro
Kawahara Takayuki
Hatae Hiroshi
Ota Masutomi
Hirano Yasuhiro
Renesas Technology
G06K 19/00
G06K 17/00
G06F 12/14
G06K 19/073