Apparatus and a method for determining the color stimulus...

Details Apparatus and a method for determining the color stimulus... Apparatus and a method for determining the color stimulus...

2007-12-25

2007-12-25

Punnoose, Roy M. (Department: 2886)

Optics: measuring and testing

By shade or color

C356S405000, C356S416000, C356S420000

Reexamination Certificate

active

11173272

ABSTRACT:
The Apparatus for determining the color stimulus specification of a translucent object, for example of a tooth, comprises an illumination device as well as an image capture device. For illuminating the object under test with light in different wave length portions, the illumination device comprises an LED array with a plurality of sequentially energizable light emitting diodes. Several different types of light emitting diodes are provided, each emitting light in a different wave length portion.

REFERENCES:
patent: 5241170 (1993-08-01), Field, Jr. et al.
patent: 5963333 (1999-10-01), Walowit et al.
patent: 6038024 (2000-03-01), Berner
patent: 6525819 (2003-02-01), Delawter et al.
patent: 2005/0254704 (2005-11-01), Komiya et al.
patent: 10256188 (2004-06-01), None
patent: 0928957 (1999-07-01), None
European Search Report for Application 05405406.9, dated Nov. 11, 2005.

Affiliated with

Also associated with

Rating

Apparatus and a method for determining the color stimulus... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and a method for determining the color stimulus..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and a method for determining the color stimulus... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3854284