Real three-dimension visual display arrangement

Details Real three-dimension visual display arrangement Real three-dimension visual display arrangement

1975-07-28

1977-05-10

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

250251, 331DIG1, 340324M, G06K 1518

Patent

active

040231585

ABSTRACT:
There is disclosed herein a 3-D visual display arrangement having a laser to produce a laser beam. This laser beam is intensity modulated either electro-optically or acoustic-optically by Z-coordinate information. The modulated laser beam is deflected electro-optically, acoustic-optically or by mechanically moved mirrors by the X and Y-coordinate control information. After deflection the laser beam is directed to a reference member supporting a plurality of particles, such as, glass spheres, which are levitated (raised from the surface of the reference member and supported and held in space above the reference member) by the laser beam to provide a real 3-D display of the X, Y and Z-coordinate information.

REFERENCES:
patent: 3524011 (1970-08-01), Korpel
patent: 3569988 (1971-03-01), Schmidt et al.
patent: 3614312 (1971-10-01), Fournier et al.
patent: 3661441 (1972-05-01), Uchida et al.
patent: 3710279 (1973-01-01), Ashkin
patent: 3829838 (1974-08-01), Lewis et al.
"Laser Beam Levitates Tiny Glass Spheres," Laser Sphere, vol. 1, No. 19, Nov. 15, 1971.
"Optical Levitation is Achieved with a Laser Beam," Optical Spectra, p. 18, Dec. 1971.

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