Method for designing color filters which improve or modify...

Details Method for designing color filters which improve or modify... Method for designing color filters which improve or modify...

2007-10-23

2007-10-23

Dang, Hung Xuan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S163000, C351S213000

Reexamination Certificate

active

10432809

ABSTRACT:
The invention relates to a method for designing color filters which improve or modify color vision of the human eye. According to the invention a desired opponent signal function to be attained is divided by a real opponent signal function characteristic of the eye color vision to be improved or modified, the negative range of the resulting function is replaced by zero, the whole function is normalized to give a spectral transmission function, and, if desired, one or more section(s) of this spectral transmission function is modified. The invention also relates to color filter means designed by the above method.

REFERENCES:
patent: 5774202 (1998-06-01), Abraham et al.
patent: 5846457 (1998-12-01), Hoffman
patent: 6149270 (2000-11-01), Hayashi

Affiliated with

Also associated with

Rating

Method for designing color filters which improve or modify... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for designing color filters which improve or modify..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for designing color filters which improve or modify... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3886709