Patent ID: 7646357

Claim:
In a control system for a remote electronic sign, data distributor means, for receiving command, clock and data signals for controlling the display on a remote electric sign from a video link control unit, comprising; a. receiver means for generating data signals, responsive to display data, and clock signals having a varying characteristic according their functions, from a video link control unit, said receiver means including: (1) buffer means for storing said data signals; (2) clock signal decode means responsive to a first, column director latch, clock signal class for triggering an output control function signal; b. transmitter means, connected to said buffer means and responsive to said output control function signal to pass data signals stored in said buffer means and said clock signals decode means to an output port; and c. line controller means connected to said output port and responsive to data signals and clock signals at said output port for developing display element control signals effective to cause said data to be displayed an electronic sign.