Patent ID: 7986282

Claim:
A sign display panel for displaying a sign display panel message, the sign display panel comprising: at least one set of display units connected in a closed serial loop, wherein each of the at least one set of display units includes a plurality of display units connected in a closed serial loop, each of the plurality of display units including: a display unit central processing unit (CPU) configured to execute software instructions associated with display of the sign display panel message, a display unit memory configured to store the software instructions for execution by the display unit CPU, and a plurality of display elements configured to respond to signals sent from the display unit CPU, at least one interconnect (IC) unit coupled to a first display unit and a second display unit included in the at least one set of display units, the at least one IC unit including: an IC unit central processing unit (CPU) configured to execute software instructions for determining a configuration of the at least one set of display units, wherein the IC unit CPU is further configured to execute software instructions for determining an updated configuration of at least a portion of the sign display panel message based on the message, one or more parameters associated with the at least one set of display units, and the configuration of the at least one set of display units; and an IC unit memory configured to store the software instructions for execution by the IC unit CPU; and a controller connected to the at least one IC unit.