In this paper,it is discussed that the veranda aegis net of intelligence invisible is made by use of microprocessor and infrared detector.

Application of GPS in the guard against theft;

The Design of an Automatic Switch to Guard Against Theft with "an Empty House;

This paper introduces the structure ,virtue,installation and use of a sampling valves which can guard against theft and be hided in the oil pipe line.

Design of the multimedia theft-proof and fireproof monitor system for residential area;

Design of the intelligent theft-proof and fireproof alarm system for residential area;

Research on a New Generation of Intelligent Theft-proof Technology for Construction Machinery;

In view of the deficiency in anti-theft measures for WTGs and the operational characteristics of wind farms,this paper contrives a scheme for WTG theftproof system to improve the security of WTGs.

The author describes basic principle of theftproof system of automotive audio system and its decoding method with detailed introduction to the decoding processes of seven representative vehicles while their audio systems are dead locked.

Describe new theftproof structre of valves and the characteristics.

This paper introduces the composition,principle,matching and diagnostic way of the anti-theft control system on SANTANA 2000GSi.

The paper introduces the characteristics of security and anti-theft measures in construction of electrified railways and illustrates the monitoring principle, main technical performance and status of application of wire broken and anti-theft alarming device under principle of strengthening the police forces by means of technologies.

This paper describes the basic structure and working principle of distributing transformer anti-theft system based on GSM-SMS technology,including hardware and PC software.