Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With decoration or ornamentation
Reexamination Certificate
2000-01-21
2001-05-01
Dang, Hung Xuan (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With decoration or ornamentation
C351S044000, C351S052000
Reexamination Certificate
active
06224208
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to devices worn to protect a person's eyes from exposure to the sun. More specifically, the present invention pertains to sunglass frames. The present invention is particularly, though not exclusively, useful as a means by which sunglass frames may change colors when exposed to ultraviolet light.
BACKGROUND OF THE INVENTION
As a result of the need to protect their eyes from exposure to harmful solar radiation, many people own at least one pair of sunglasses, however, sunglasses have become more than just a device for protecting eyes from ultraviolet radiation. Sunglasses have become a fashion accessory that allows people to express themselves through the styles that they choose to wear. Unfortunately, the sunglass market has become saturated with different styles and creative new ideas are minimal.
In an attempt to capitalize on the growing sunglass market, established sunglass manufacturers and newcomers to the industry introduce new styles of sunglass frames each year. The problem is that many of these new styles of at sunglass frames are somewhat ordinary and will not grab the attention of the consumer. Most of these manufactures concentrate on the shape of the sunglass frames and the color of the frames is an afterthought. Sunglass designers are limited to a static color applied to the frames and thus, the creativity of the sunglass frame design is based mostly on the shape of the frame.
Accordingly, it is an object of the present invention to provide sunglass frames which will change colors when exposed to ultraviolet light. It is another object of the present invention to provide sunglass frames which are stylish in shape and in color. It is another object of the present invention to provide sunglass designers another avenue for creativity when designing sunglass frames. It is yet another object of the present invention to provide sunglass frames which are easy to use, easy to manufacture, and comparatively cost effective.
SUMMARY OF THE INVENTION
In accordance with the present invention, Color Changing Sunglass Frames are provided and include two temple support members hingedly attached to a frame assembly. The frame assembly includes a left lens frame and a right lens frame which are identically shaped and attached in the middle by a center support structure. Each lens frame holds a corresponding sunglass lens. The temple support members extend beyond the user's ears to hold the sunglasses on his or her head.
The entire sunglass frame is treated with a photo-chromatic dye. As the sunglass frames are exposed to ultraviolet light the photo-chromatic dye will react to the light and the frames will change colors. When the sunglass frames are removed from the ultraviolet light exposure they will return to the original color.
The invention as described above will overcome the disadvantage of the current sunglass frames. For example, the present invention provides fashionable, stylish sunglass frames which will change colors when exposed to ultraviolet light. The present invention also provides a new avenue for sunglass designers to experiment with when designing sunglass frames. With its novelty, the present invention will attract new sales in an otherwise saturated market.
REFERENCES:
patent: 4828355 (1989-05-01), Lipson et al.
Dang Hung Xuan
Eastman Gary L.
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