Title:
記憶装置及びプログラム
Document Type and Number:
Japanese Patent JP4140905
Kind Code:
B2
Abstract:
System, method and program product for protecting access to a portable memory or storage device. There can be detection if the portable memory or storage device is more than a predetermined distance from a reference location. If so, access to a portion or all of data within the portable memory or storage device is automatically prevented. The reference location can be the location of a computing apparatus which is authorized to access the portable memory or storage device. Also, there can be detection of lapse of a predetermined time the portable memory or storage device has been unable to communicate with a predetermined computing apparatus. In response, access to a portion or all of data stored on the portable memory or storage device is prevented. Also, there can be detection of lapse of a predetermined time since the portable memory or storage device has been accessed by an information processing apparatus in which the device is installed. In response, access to a portion or all of data stored on the portable memory or storage device is prevented.
Inventors:
Yasuhiko Sengoku
Application Number:
JP2004082674A
Publication Date:
August 27, 2008
Filing Date:
March 22, 2004
Export Citation:
Assignee:
INTERNATIONAL BUSINESS MASCHINES CORPORATION
International Classes:
G06F21/62; G06F12/14; G06F21/60; G06K19/073; G06K19/10; G09C1/00; H02J7/00
Domestic Patent References:
| JP6020114A | ||||
| JP2002175355A | ||||
| JP63054294A | ||||
| JP2002216099A |
Attorney, Agent or Firm:
Takeshi Ueno
Tasaichi Tanae
Yoshihiro City
Hiroshi Sakaguchi
Tasaichi Tanae
Yoshihiro City
Hiroshi Sakaguchi