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Patent Searching and Data


Title:
NON-CONTACT TYPE IC CARD
Document Type and Number:
Japanese Patent JPH10171953
Kind Code:
A
Abstract:

To provide a non-contact type IC card capable of displaying approximate remaining units.

A magnetic display medium 13 and a display electromagnet part 4 are provided on an IC card base material. The medium 13 is coated with back coat liquid 9 that consists of coloring pigment and transparent binder after many micro capsule layers 8 which contain liquid (fluid) and flat metallic magnetic powders on a transparent base material (PET) 7 surface are formed by dispersing and applying the liquid and powders together with transparent binder. The flat metallic magnetic powders are oriented by the part 4 and subjected to magnetic display. As a result, the remaining units can be displayed.


Inventors:
MATSUDA KAZUO
Application Number:
JP32501996A
Publication Date:
June 26, 1998
Filing Date:
December 05, 1996
Export Citation:
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Assignee:
TOKIN CORP
International Classes:
B42D15/10; G06K19/07; G06K19/077; H01F1/24; H01F27/00; (IPC1-7): G06K19/07; B42D15/10; G06K19/077; H01F1/24; H01F27/00
Attorney, Agent or Firm:
Yosuke Goto (2 outside)