Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
携帯可能電子装置および携帯可能電子装置の制御方法
Document Type and Number:
Japanese Patent JP4896837
Kind Code:
B2
Abstract:
An IC card stores history information indicating information relating to a command executed for each logical channel in a storage portion and determines the validity of the command based on history information of a logical channel specified by the command stored in the storage portion when the command is supplied from an external device, performs a process corresponding to the command when the validity of the command is determined, and stores information relating to the executed command in the storage portion as history information of the logical channel.

Inventors:
Sekiya Satoshi
Application Number:
JP2007213879A
Publication Date:
March 14, 2012
Filing Date:
August 20, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Toshiba Corporation
International Classes:
G06K19/073; G06F21/60; G06F21/77; G06K19/07
Domestic Patent References:
JP60207957A
JP2007122289A
Attorney, Agent or Firm:
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto



 
Previous Patent: JPS4896836

Next Patent: JPS4896838