Some network camera malfunctions and solutions

The network camera is also called IP CAMERA (abbreviated as IPC) and is composed of a network coding module and an analog camera. The network coding module encodes and compresses the analog video signal collected by the analog camera into a digital signal so that it can directly access the network

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Galena

PbS [Chemical composition] The composition often contains Ag, Cu, Zn, Tl, As, Bi, Sb, Se, etc., among which Ag is the most important; Se is replaced by the isomorphism of S; there is a complete series of PbS-PbSe homology . [crystal structure] equiaxed crystal system; -Fm3m; a0 = 0.593 nm; Z = 4

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