Display method and apparatus

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

Reexamination Certificate

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Details

C340S426330, C340S815400, C340S332000, C362S600000, C040S587000

Reexamination Certificate

active

07046131

ABSTRACT:
A display apparatus is for mounting on a rotatable object. The display apparatus comprises: (a) a display array for displaying at least one display pattern; (b) a self-contained rotational speed sensor for sensing a rotational speed of the rotatable object, the self-contained rotational speed sensor being entirely mounted on the rotatable object; (c) a wireless receiver for receiving information from a signal source spaced from the rotatable object and, (d) a microprocessor for controlling the display array based on the rotational speed of the rotatable object to display the at least one display pattern using persistence of vision of a viewer.

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