Title:
COMPUTER MODIFICATION PREVENTING SYSTEM
Document Type and Number:
Japanese Patent JPH11249891
Kind Code:
A
Abstract:
To prevent a computer from being modified by limiting the operation of the computer even if a case is closed again in the case of opening the case that includes the computer, etc.
This computer modification preventing system is provided with a computer 1, a monitoring device 3 which monitors a signal outputted from the computer 1 and limits the operation of the computer 1 when the signal changes in quality and an energizing module 2 which is connected between a case that includes at least the computer 1 and the device 3 and changes the signal in quality so that it can not be repaired.
Inventors:
ITOU YUUKI
Application Number:
JP6460898A
Publication Date:
September 17, 1999
Filing Date:
February 27, 1998
Export Citation:
Assignee:
AICHI MACHINE IND
International Classes:
G06F21/75; G06F9/06; G06F12/14; G06F21/10; G06F21/12; G06F21/86; (IPC1-7): G06F9/06
Attorney, Agent or Firm:
Yoshihisa Shimizu
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