Portable message sign

Details Portable message sign Portable message sign

1998-04-10

2000-08-15

Green, Brian K.

Card, picture, or sign exhibiting

Changing exhibitor

Alphanumeric device

40452, 34081553, 345 59, G09F 900

Patent

active

061017507

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.

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