Web defect continuous surveillance system

Details Web defect continuous surveillance system Web defect continuous surveillance system

1992-02-11

1993-08-24

Chin, Tommy

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358106, 358108, H04N 718

Patent

active

052393763

ABSTRACT:
A video surveillance system for monitoring a continuous web of material negotiating the tortuous path through a paper making machine employs a plurality of video cameras for the continuous monitoring of the web arranged in pairs, each pair addressing a different location of interest along the paper making path. All of the cameras are operated using a single external sync signal and produce video output signals which, in turn, are fed to a plurality of video image splitters, each splitting the video output from a pair of cameras. Video recorders are provided for recording and playing back the split video output signals from each video image splitter through video monitors. The system is computer controlled and responsive to input signals indicative of web failure.

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