Articulated light guide

Education and demonstration – Vehicle operator instruction or testing – Flight vehicle

Patent

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Details

358104, G09B 908

Patent

active

044116276

ABSTRACT:
An articulated light guide having internal mirrors and rotatable joints, vides a transmission path to a helmet mounted projector wherefrom light is transmitted onto a retroreflective screen to produce images utilized in simulation training. Located at the screen are photodiodes which detect the orientation of said images with respect to a reference and provide alignment signals to a servo-controlled image rotation device.

REFERENCES:
patent: 3205303 (1965-09-01), Bradley
patent: 3283418 (1966-11-01), Brewer et al.
patent: 3367046 (1968-02-01), Neuberger
patent: 3459465 (1969-08-01), Rosin et al.
patent: 3811204 (1974-05-01), Marshall et al.
patent: 3892051 (1975-07-01), Bunker
patent: 4048653 (1977-09-01), Spooner
patent: 4100571 (1978-07-01), Dykes et al.
patent: 4103435 (1978-08-01), Herndon

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