Vibratory scan optical display

Details Vibratory scan optical display Vibratory scan optical display

1980-02-07

1982-01-19

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340380, 340706, 340407, G06F 314

Patent

active

043119999

ABSTRACT:
A raster-type personal display is provided by vibrating an array of fiber optic filaments (32) between display limit (52, 54) by means of an electromechanical exciter (36). One end of the fiber optic filaments (32) is cantilever mounted to an array of light emitting diodes (34), with the second end of the filaments free to be vibrated by the exciter (36). Drive signals for energizing the light emitting diodes (34) are generated by a symbol generator (38) that receives synchronization pulses from a position detector consisting of a light source (58), a shutter (56) and a light responsive pickup (60).

REFERENCES:
patent: 2137888 (1938-11-01), Fuller
patent: 2176167 (1939-10-01), Comstock
patent: 2595701 (1952-05-01), Rotter
patent: 3436885 (1969-04-01), Conrose, Sr.
patent: 3463885 (1969-08-01), Upton
patent: 3609235 (1971-09-01), Sawyer
patent: 3803597 (1974-04-01), Kirner
patent: 3958235 (1976-05-01), Duffy

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