No glasses 3-D viewer

Details No glasses 3-D viewer No glasses 3-D viewer

1976-09-22

1978-09-05

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 382, 96 45, 96 27R, 96 81, 350132, 350167, G03C 504, G03C 900

Patent

active

041116950

ABSTRACT:
An apparatus for three-dimensional viewing of stored color information. A microfiche (lensfiche) formed by known techniques is viewed without the requirement of special glasses worn by an individual viewing the display. Each lens of a lenticular lensplate is associated with a pair of apertures, the apertures receiving light polarized in two mutually orthogonal directions. One aperture of each aperture pair passes only polarized light of one kind and images this light at a point in front of the lensplate corresponding to the normal viewing position of one eye. The other aperture of each aperture pair passes only polarized light of the other kind and images this light at a point in front of the lensplate corresponding to the normal viewing position of the other eye. This is a Division of application Ser. No. 582,170 filed May 30, 1975, now U.S. Pat. No. 4,012,116.

REFERENCES:
patent: 2144649 (1939-01-01), Eggert et al.
patent: 2560538 (1951-07-01), Ayres
patent: 2724312 (1955-11-01), Gruetzner
patent: 2763551 (1956-09-01), Smith
patent: 3520588 (1970-07-01), Salyer et al.
patent: 3751258 (1973-08-01), Howe et al.
patent: 3824609 (1974-07-01), Tevick
patent: 4012116 (1977-03-01), Tevick

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