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.