Visual simulator projection system

Details Visual simulator projection system Visual simulator projection system

1979-02-05

1980-12-16

Shepperd, John W.

Optics: image projectors

Lamp control

Lamp position adjustable

353 11, 434 40, 434 44, G03B 2120

Patent

active

042393558

ABSTRACT:
Disclosed is a mechanical translation linkage and lamp support apparatus for maintaining the projection light source inside a gimballed transparency displaced from the geometric center of the transparency and in a fixed spatial relation with the center of the transparency as the transparency rotates about any of its three mutually perpendicular axes. The translation apparatus employs only a mechanical linkage to ground and reacts to rotation of the support gimbal about either the X or Y axis to maintain the projection light source at the required position regardless of the attitude of the gimbal.

REFERENCES:
patent: 3718989 (1973-03-01), McKnight

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