Title:
IC CARD READER AND WRITER
Document Type and Number:
Japanese Patent JP2001222689
Kind Code:
A
Abstract:
To solve a problem that a recent IC card is apparently normally operated even when contact defect occurs at a VCC contact point and a malfunction occurs consequently at the point of time when current consumption is increased.
The contact point for monitoring the voltage of a power source terminal in the IC card is independently arranged, the level of the voltage is monitored simultaneously with power feeding and a proper processing is applied to the IC card when the lowering of the voltage is detected.
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Inventors:
SANO MASAAKI
Application Number:
JP2000031415A
Publication Date:
August 17, 2001
Filing Date:
February 09, 2000
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G06K17/00; (IPC1-7): G06K17/00
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)
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