Westinghouse Sign, Computer-controlled advertising sign in Pittsburgh, United States.
The Westinghouse Sign featured illuminated elements that created patterns through 90 different combinations of sequential lighting across its large surface.
Installed in 1967, the Westinghouse Sign marked a turning point as the first computer-controlled advertising display in the United States.
This advertising structure represented the industrial innovation of Pittsburgh and remained a central element of the city landscape until 1998.
The sign stood prominently on a building near the current location of PNC Park, visible to pedestrians and vehicles crossing the downtown bridges.
Engineers programmed the sign's computer system to generate sequences of light patterns that created an illusion of continuous motion throughout the display.
Location: Pennsylvania
Inception: 1967
GPS coordinates: 40.44820,-80.00490
Latest update: May 10, 2025 21:40
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