In this paper,the influences of the core heat treatment conditions which contained the temperature conditions and the temperature dropping conditions on the electro magnetic properties for the video heads used in VTR have been discussed.

Digitized work condition and wireless video supervision in oil field;

Mine long-range video supervision system based on DSP;

A comparative study of Oro-tracheal intubation with glidescope videolaryngoscope and Macintosh direct laryngoscope;

Research and Implementation of Video Frequency Buffer and Attemper Policy;

The application of long-distance digital video supervisory and control technique in building construction project;

New method of signal design of digital video;

An improved collusion-secure digital ringerprinting scheme for digital video;