Color imaging convergence projector

Details Color imaging convergence projector Color imaging convergence projector

1995-01-12

1996-12-17

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351223, 351246, A61B 302, A61B 300

Patent

active

055858740

ABSTRACT:
Color imaging projection apparatus for projecting a pair of laterally spaced, collimated, colored light beams onto the iris portion of an individual's eyes while viewing him/herself in a two-way mirror. A housing is provided wherein is located a light source, a color wheel, a pair of laterally spaced, optical collimating rods, and a front-surfaced mirror. Light from the light source passes through a selected color filter of the color wheel, through the optical collimating rods which transmit two discreet, colored beams of light onto the front-surfaced mirror which, in turn, directs the beams of colored light through the two-way mirror to the individual located on the opposite side thereof. The individual positions him/herself with the colored light beams impinging the iris portion of their eyes as the individual views him/herself in the two-way mirror. The invention is useful in marketing colored contact lenses in that it enables an individual to visualize him/herself with different colored eyes without the need for application of trial colored lenses onto the individual's eyes.

REFERENCES:
patent: 3479937 (1969-11-01), Sullivan
patent: 3801188 (1974-04-01), Hunt et al.
patent: 3804528 (1974-04-01), Kilmer et al.
patent: 3876293 (1975-04-01), Ramos
patent: 5024520 (1991-06-01), Akiyama
patent: 5050966 (1991-09-01), Berman
patent: 5129716 (1992-07-01), Holakovszky

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