The non-contact IC card intelligence water meter is a new type of automated water meter system.

Based on the background of development access of access control system, the paper introduces the working principle, design and producing of access control system based on non-contact IC card, and focuses on the description and design of access system controller.

The design of practical contactless IC card reader-writer;

Research and Application of Contactless IC Cards in Expressway;

Design of contactless IC card reader with USB interface;

This paper proposes system designation and implemented method of security management information system based on network architecture which combines computer, untouched IC card, network and database etc.

This paper introduces the working principle and design method of bill collecting power meter with untouched IC card.

By comparing untouched IC card with touched one, this paper, in accordance with the special characteristics of vehicles access at bus station, makes a design for IC card management system from the aspects of network structure and system functions, etc.

The application of non-touched IC card in hotel s charging system;

On the base of function requirements, the paper gives a kind of hardware design of non-touched IC card charge machines.

Base on the presentation of strongpoint of non-touched IC card, the paper explores hardware design of Chinese non-touched IC timecard machine, especially the design of circuit of RC500, X1227.