Large scale programmable electronic variable message sign systems comprising either one or more modular display panels containing a matrix of illuminated pixels or one or more scrolling film modules and computer hardware and operating software for controlling either of said systems
Large scale programmable electronic variable message sign systems comprising either one or more modular display panels containing a matrix of illuminated pixels or one or more scrolling film modules and computer hardware and operating software for controlling either of said systems
Large scale programmable electronic variable message sign systems comp...