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30-Year TRANSFORMATION by ProQuest

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What did surveillance look like and how did it function in the early 1970s and into the next decade? John Whiteman, vice president and general manager, ioimage North America, Denton, Texas, explained: "The old vidicon tube camera was used instead of a charge coupled device (CCD). This tube-based camera offered very basic video surveillance capabilities and poor image quality and issues with the images burning into the tube were common problems.

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