In the early years of the 1980’s, the public existence of the Digital Signage Video Walls surfaced. Because it was something new and the technology back then was not as advanced as it is today, it needed improvements to its core problems:

1)  The monitors were CRTs which meant that the thickness of the gap between the screens was very noticeable – the diagonal display it had was approx twenty-eight inches.

2)  They planned to split one image into different sections. For example, arranging four by four monitors or sixteen monitors that show pieces of a single image, so much as they wanted to, it could not be done. The technology was not capable of doing it.

This problem was solved with the introductions of Laser Discs. It does this by the use of computers to process the entire image and then split the signals accordingly. The only companies that provided this, were Philips and Delcom, and since there was more demand than supply, they priced their products well. Though high-priced as it was, laser disc technology helped solve this problem of the video wall, which later brought so much improvements over the years.

The method starts with many laser discs each encoded in them an individual image in completing the picture prepared by a production team. Each monitor…





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