LED display device for displaying pattern on rotatable...

Details LED display device for displaying pattern on rotatable... LED display device for displaying pattern on rotatable...

2011-07-12

2011-07-12

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Physically movable array

C345S082000, C340S463000, C340S468000, C362S035000

Reexamination Certificate

active

07978152

ABSTRACT:
An LED display device for displaying a pattern on a rotatable object by light-scanning; wherein when the rotating object rotates with a high speed, the pattern will display; the device comprising: a display device for displaying at least one pattern; the display device being fixed without rotation in operation; the display device including a screen, a processor and a memory; the processor serving to control displaying of patterns on the display device; the memory serving to store patterns to be displayed and other processing programs; a rotating printed circuit board having at least one bank of LEDs; a control circuit board controlling electric conduction of each LED; and an image scanner connected to the control circuit board; the image scanner can scan through the screen of the display device so as to sense the pattern on the screen.

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