Chip card reader having contact and contactless operating modes

Details Chip card reader having contact and contactless operating modes Chip card reader having contact and contactless operating modes

2005-01-04

2005-01-04

Huynh, Kim (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C710S005000, C710S014000, C710S041000, C710S063000, C710S065000, C712S029000

Reexamination Certificate

active

06839772

ABSTRACT:
The invention relates to a chip card reader (10) comprising a central processing unit (20) comprising means (MP2, MEM2, PG20, 23) for emitting and receiving, on a communication bus (60), binary messages with a first format determined by a communication protocol for contact chip card, a card receiving device (40) comprising a contact card connector (42) connected to the central processing unit (20) by means of the communication bus (60), and a read head (30) for contactless chip card (53) comprising a serial interface (31). According to the invention, the serial interface (31) of the contactless read head (30) is directly connected at least to a data wire (I/O) of the communication bus, and the contactless read head (30) is arranged in a hardware and/or software way so that it does not respond to a contact chip card activation command and responds to a specific activation command (ACTIV) different from a contact chip card activation command.

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