Electronic message center (EMC), electronic message sign (EMS) and changeable copy board (CCB), signs that display illuminated messages that can change frequently, can flash, display and/or convey messages in text, graphics, pictures, symbols, multiple colors, rhythms, animation and/or patterns. This sign's message may be changed by the electronic switching of lamps, illuminated tubes, bulbs and/or through the apparent movement of light. These signs are capable of storing and/or displaying single or multiple messages in various formats at varying intervals.
[Amended 3-10-2009 by Amdt. No. 2]