Stereoscopic optical viewing system

Details Stereoscopic optical viewing system Stereoscopic optical viewing system

1986-05-02

1987-05-05

Albritton, C. L.

Electric heating

Metal heating

By arc

219121EL, 219121ED, 350510, 350514, 350515, B23K 1500

Patent

active

046635114

ABSTRACT:
An improved optical system which provides the operator a stereoscopic viewing field and depth of vision, particularly suitable for use in various machines such as electron or laser beam welding and drilling machines. The system features two separate but independently controlled optical viewing assemblies from the eyepiece to a spot directly above the working surface. Each optical assembly comprises a combination of eye pieces, turning prisms, telephoto lenses for providing magnification, achromatic imaging relay lenses and final stage pentagonal turning prisms. Adjustment for variations in distance from the turning prisms to the workpiece, necessitated by varying part sizes and configurations and by the operator's visual accuity, is provided separately for each optical assembly by means of separate manual controls at the operator console or within easy reach of the operator.

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patent: 3007371 (1961-11-01), Tallman
patent: 3169183 (1965-02-01), Radtke et al.
patent: 3637283 (1972-01-01), Tasaki et al.
patent: 3840721 (1974-10-01), Monk
patent: 3842236 (1974-10-01), Von Walter
patent: 3914057 (1975-10-01), Smith et al.
patent: 4571038 (1986-02-01), Jako

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