Data processing system

Details Data processing system Data processing system

1993-03-05

1994-11-29

Beausoliel, Jr., Robert W.

Boots, shoes, and leggings

3642222, 235382, B29C 3340, G06K 500

Patent

active

053697600

ABSTRACT:
In a system for serially transmitting data between a card reader/writer and an IC card, when a data string is transmitted from the card reader/writer to the IC card, the data row is divided into a plurality of data strings. Data (control code) representing continuity of data transmission is added to each of the divided data strings. When a data string is transmitted from the IC card to the card reader/writer, the data string is divided into a plurality of data strings. IC card encodes the divided data string, and transmits the encoded data with the data (control code) representing continuity of data transmission is added to the encoded data string. Data transmission between the card reader/writer and the IC card is controlled such that the divided data string and encoded data string are alternately transmitted in units of one.

REFERENCES:
patent: 4841131 (1989-06-01), Iijima
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patent: 4939353 (1990-07-01), Iijima
patent: 5093785 (1992-03-01), Iijima
patent: 5202923 (1993-04-01), Kuriyama
patent: 5248924 (1993-09-01), Niwa
Naoki Matsuo 'Personal Telephone Services Using IC-Cards 1990 IEEE pp. 41-48.
Richard A. Williams, "Communication Systems Analysis and Design-A System Approach", Prentice-Hall Inc., USA, 1987, pp. 406-410.

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