Data communication systems, identification tags and methods...

Details Data communication systems, identification tags and methods... Data communication systems, identification tags and methods...

2006-08-08

2006-08-08

Le, Thien M. (Department: 2876)

Registers

Systems controlled by data bearing records

Credit or identification card systems

C235S492000, C235S487000

Reexamination Certificate

active

07086588

ABSTRACT:
A data communication system is provided comprising: a reader/writer device; and an identification tag that is capable of data communications with the reader/writer device, wherein: the reader/writer device has a first data communication section that is capable of data communications with the identification tag; the identification tag has a second data communication section that is capable of data communications with the reader/writer device, and a display section that is capable of displaying based on data received by the second data communication section, and the display section is capable of retaining a display content for a predetermined period of time in a state in which no drive voltage is applied; and a display retaining period of the display section is variable.

REFERENCES:
patent: 5055662 (1991-10-01), Hasegawa
patent: 5802015 (1998-09-01), Rothschild et al.
patent: 6118426 (2000-09-01), Albert et al.
patent: 6753830 (2004-06-01), Gelbman
patent: 6853412 (2005-02-01), Stephenson
patent: 2004/0222889 (2004-11-01), Hoshina et al.
patent: 10-305680 (1998-11-01), None
patent: 2004-280434 (2004-10-01), None

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