The display terminal (monitor)

The video signal transmitted to the terminal by the front camera is reproduced as an image by the monitor. According to the different functions can be divided into the image monitor and TV monitor. Image monitor. Compared with the TV receiver with high frequency tuning, intermediate frequency amplification, demodulation, audio amplification circuit. Its features are: video bandwidth of up to 7 ~ 8MHz, the level of the definition of 500 ~ 600 lines above. The size of the picture in the frame of the picture frame can be adjusted freely in the horizontal and vertical direction so that the whole picture of the picture can be checked. TV monitor. This kind of monitor has the function of the image monitor and the television receiver. The characteristic is that the monitoring receiver can be used as a video recorder, and the broadcast television signal is converted into a video signal, and the video signal is sent to the video recorder at the same time as the screen is displayed. Image display device for playback of video signal of a video recorder. The video signal and the audio signal can be transmitted directly from the video camera, and the video signal and the audio signal can be monitored and recorded simultaneously.

Video recorder

The working principle of the VCR is passed between the head and the tape coated with strong magnetic material effect, the video and audio signals with magnetic information recorded on the tape, and the reduction of magnetic information on magnetic tape for audio and video signals. TV monitoring system in general use long time recorder, it is in addition to the recording and playback at normal speed, but also has the following functions: image to speed records can be standard playback speed or slow mode still. The image can be used long time recording or playback mode still fast.

The above is a small series to share with you about the CCTV monitoring system of the structure of the whole content, we want to help.