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:
Aug. 15, 2000
Filed:
Apr. 10, 1998
Applicant:
Inventors:
James L Blesener, White Bear Lake, MN (US);
Amir Amighi, St. Louis Park, MN (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F / ;
U.S. Cl.
CPC ...
40448 ; 40452 ; 34081553 ; 345 59 ;
Abstract
A changeable portable, solar powered message sign is disclosed which offers reduced power consumption and enhanced visibility to intended observers especially during the difficult hours about dawn and dusk. The system features character matrices and two independent types of pixel defining systems. The system also includes an automatic solar tracking and control system.