Apparatus for assisting viewing of stereoscopic displays

Details Apparatus for assisting viewing of stereoscopic displays Apparatus for assisting viewing of stereoscopic displays

1988-05-20

1990-05-15

Henry, Jon W.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

350133, 350143, 351 57, 351201, G02B 2722, G02B 718

Patent

active

049252704

ABSTRACT:
A stereoscopic viewing device to induce the line of sight of a viewer's eyes to converge on a three dimensional image formed from a pair of stereoscopic images. The device includes a pair of prisms and blinders to block out ghost images which form to the sides of the superimposed image. The device further includes adjustment means to narrow or widen the viewing window which the prisms form. One embodiment of the adjustment means includes blinders that are slidable panels within a guide track while another embodiment of the adjustment means are separate prisms slidable within a guide track.

REFERENCES:
patent: 2267952 (1941-12-01), Sauer
patent: 2759395 (1956-08-01), Wofford
patent: 2766656 (1956-10-01), Better
patent: 3741634 (1973-06-01), Stoltze
W. L. Berssenbrugge, "Framing . . . , Part I", American Photo., May 1948, pp. 276-279.
W. L. Berssenbrugge, "Framing . . . , Part II", American Photo., May 1948, pp. 350-354.

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