Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent
1991-01-11
1992-05-19
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With antiglare or shading
351 41, 351158, G02C 710
Patent
active
051142180
ABSTRACT:
LC sunglasses with selectively color adjustable lenses comprising an energy cell (30) attached to one butt-strap (22) of a rim (10), a color changing switch (28) supported by another butt-strap (24), a memory chip (26) supported by a bridge portion (16) of the glasses rim, and lenses (12 and 14) of a laminated structure. Each lens consists of a color mosaic mask (43), an input polarizing plate (44), a liquid crystal cell (50) sandwiched between voltage-controlled active matrices (52a and 52b), and an output polarizing plate (46). When the wearer of the sunglasses wants to change the color of the lenses (12 and 14), he/she installs the switch (28) into the position of a selected color, whereby the battery cell (30) is electrically connected with respective pixel sets of the active matrices (52a and 52b) via the memory chip (26). As a result, the lenses will pass only the component of the white light (W) which corresponds to the selected color.
REFERENCES:
patent: 4201450 (1980-05-01), Trapani
patent: 4279474 (1981-07-01), Belgorod
patent: 4511225 (1985-04-01), Lipson
patent: 4595262 (1986-06-01), Ogle
patent: 4703522 (1987-11-01), Shurle
patent: 4786125 (1988-11-01), Magarinos
patent: 4802719 (1989-02-01), Magarinos
patent: 4835796 (1989-06-01), Weider
patent: 5015086 (1991-05-01), Okaue et al.
Black Michael
Kupershmidt Vladimir
Bovernick Rodney B.
Pressman D.
Reliant Laser Corp.
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