Display board assembly

Details Display board assembly Display board assembly

G - Physics

09

F

40/37

G09F 7/16 (2006.01) G09F 9/33 (2006.01) G09F 13/22 (2006.01)

Patent

CA 2011424

DISPLAY BOARD ASSEMBLY ABSTRACT A display board assembly, which includes a start unit connected to an end unit with a variety of intermediate display units set in therebetween in a line. By means of color contrast and diaphaneity differentiate the symbols on the intermediate which show a certain meaning collectively can be clearly seen in the day. When in the dark, a photosensor control power supply automatically turn on the light emitting diodes of the intermediate display units to illuminate the symbols thereon. cont'd / 2

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