IC card and IC card system

Details IC card and IC card system IC card and IC card system

2006-03-28

2006-03-28

Fureman, Jared J. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S492000, C713S400000, C375S354000

Reexamination Certificate

active

07017810

ABSTRACT:
An interface is connectable between a main unit and an IC card and includes a data transmission path and a clock signal transmission path. The IC card receives a clock signal transmitted from the main unit over the clock signal transmission path and returns the clock signal to the main unit over the clock signal transmission path. A data transmission unit of the IC card receives the clock signal and outputs data over the data transmission path for delivery to the main unit. A data receiving unit of the main unit receives the returned clock signal and receives the data transmitted by the data transmission unit.

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