The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 22, 1999
Filed:
Apr. 15, 1996
Timothy Nicholson, Roseville, MN (US);
Gordon Melby, Woodbury, MN (US);
Paul Cobain, Woodbury, MN (US);
ADDCO Manufacturing, Inc., St. Paul, MN (US);
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 environmentally sealed to avoid a separate enclosure for the modular sign. A plurality of standoffs are used to electrically connect the display units to power and communications conductors and mechanically connect the display units to the mounting track.