Card with rewriteable display

Details Card with rewriteable display Card with rewriteable display

2007-10-23

2007-10-23

Lee, Michael G. (Department: 2876)

Registers

Records

Conductive

C235S493000, C235S449000, C235S451000, C235S380000, C349S086000

Reexamination Certificate

active

11209479

ABSTRACT:
A transaction card is formed of an electrically-alterable display material. The display may be altered by the application of an external field, without requiring any circuiting on the card. The card also includes an information storage medium, and both the information storage medium and the display may be accessed by a card reader.

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