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Video Detector,
Detect Video Luminance Model 630 The Video Detector for video analysis, automatically can detect video luminance values that exceed desired maximum or minimum values within a window of adjustable size and position. The Model 630 Video Detector uses two signal level slicers. One slicer detects objects within the window that are brighter than an adjustable level. The other slicer detects objects that are darker than a similarly adjustable level. Objects outside the desired luminance limits are highlighted in the picture and will cause an LED to light. "Alarm" outputs are operated by both slicers. One, or the other, or both slicers can be operated at any given time.A filter can be switch on to cause the Model 630 Video Detector to respond to only rapid changes in the window. The filter will cause gradual changes to be ignored. The unit has a loop-through input so that a monitor can be connected directly to the signal at the input. This feature allows viewing of both the unprocessed video picture and the sliced picture simultaneously. Specifications
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