Tuning fork oscillator driven light emitting diode display unit

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

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340814, G06F 314

Patent

active

042258626

ABSTRACT:
A display unit is disclosed which utilizes at least one line of oscillated light sources such as LED's selectively turned on and off to create an alphanumeric display. The display unit comprises a supporting member from which a display unit base is resiliently suspended. A pair of display arms is fixed to said base and extend therefrom and a plurality of light sources are mounted on these display arms in at least one line. One or more counterbalancing arms are also fixed to and extend from the base parallel to the display arms. Means are provided for oscillating the display arms and the light sources and for oscillating the counterbalancing arm in the opposite direction so as to counterbalance the display arms, and pulsing means are provided for each of the plurality of light sources, preferably light emitting diodes, to permit at least one "on" light for each of a plurality of positions through which the oscillator moves the line of light emitting diodes.

REFERENCES:
patent: 3737722 (1973-06-01), Scharlack
patent: 3846784 (1974-11-01), Sinclair
patent: 3958235 (1976-05-01), Duffy
Sam's Modern Dictionary of Electronics, Pub.: Bobbs-Merrill Co., Inc., p. 31.

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