Optics: image projectors – Plural
Patent
1992-06-03
1993-11-23
Cuchlinski, Jr., William A.
Optics: image projectors
Plural
353 30, 352 69, G03B 2128
Patent
active
052648818
ABSTRACT:
An inexpensive surround display system. In most general terms, the invention (10) includes a projector arrangement (12, 14, 16) for providing at least one beam of energy representative of an image. A beamsplitter arrangement (18, 20, 22) splits the beam into a first beam and a second beam. A screen (24) is provided for displaying a first image in response to the first beam and for displaying a second image in response to the second beam. More particularly, the method of the invention may be described as: a) determining a viewing angle of a viewer; b) determining whether an image or the mirror image thereof should be projected within the field-of-view of the viewer based on the viewing angle of the viewer; c) providing first, second and third beams of energy representative of a first, second and third images or the mirror images thereof based on step b); d) splitting the first beam to provide a first image and a diametrically opposed second image; e) splitting the second beam to provide a third image and a diametrically opposed fourth image; f) splitting the third beam to provide a fifth image and a diametrically opposed sixth image; and g) simultaneously displaying the first, second, third, fourth, fifth and sixth images.
REFERENCES:
patent: 2942516 (1960-06-01), Disney et al.
patent: 3055265 (1962-09-01), Smith
patent: 3144806 (1964-08-01), Smith
patent: 3313068 (1967-04-01), Pinto
patent: 4129365 (1978-12-01), Aversano et al.
patent: 4641918 (1987-02-01), Moffatt et al.
patent: 4991955 (1991-02-01), Vetter
patent: 4995718 (1991-02-01), Jachimowicz et al.
Cuchlinski Jr. William A.
Denson-Low Wanda K.
Dowling William C.
Hughes Training, Inc.
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