Abstract: The present invention is a modular electronic sign having a plurality of display units assembled on a mounting track and connected to a sign controller. Each display unit has a circuit board having a plurality of light emitting diodes arranged in a pattern thereon. A microprocessor in each display unit is in communication with the sign controller and adjacent display units. Each display unit is hermetically sealed to avoid a separate enclosure for the modular sign. A plurality of clips are used to electrically connect the display units to power and communications conductors. A plurality of compression clips mechanically connect the display units to the mounting track. Each display unit is mountable to the mounting track either horizontally or vertically.
April 14, 1997
Date of Patent:
January 16, 2001
Timothy J. Nicholson, Gordon M. Melby, Paul C. Freeberg