| 摘要 |
The present invention relates to an image signal transmission method in a network camera system, and more particularly, to a network camera system and an image signal transmission method in which a low resolution image formed by down-scaling a high resolution image photographed by a high resolution camera is displayed via a display means of a DVR system, and the high resolution image is compressed to be stored in a memory means of the DVR system, thereby preventing overload on the system that may occur due to compressing, transmitting, or decompressing a plurality of high resolution image signals. The network camera system including: a high resolution image photographing unit photographing an object to generate a high resolution image signal; an A/D converter converting the high resolution image signal into a digital image signal; an image signal compression unit receiving the digital image signals from the A/D conversion unit and generating a first image signal by compressing the digital image signal in high resolution; a network interface unit connected to a predetermined network cable, for transmitting the first image signal to a predetermined DVR system connected by the network cable; a down-scaling unit receiving the digital image signal from the A/D conversion unit and generating a second image signal by down-scaling the digital image signal; an image signal encoding unit converting the second image signal into an analog signal to be encoded to a second analog image signal; and an interface unit transmitting the first image signal and the second analog image signal to the DVR system.
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