Color temperature meter for use in photographing

Colorimeter for dental applications

Colorimeter instrument with fiber optic ring illuminator

Device and method for optically measuring the characteristics of

Dye detection method and apparatus

Electro-optical system for scanning color documents

Facsimile remote diagnostic system

Handheld, portable color measuring device with display

Image processing using media white point and black point

Image-splitting color meter

LED luminaire with light sensor configurations for optical...

Light measurement apparatus with resiliently biased sheath for d

Light measuring apparatus and colorimeter

Light source type discriminating method, image forming...

Method and apparatus for expressing relative brightness of artif

Method and apparatus for sensing color

Method and apparatus for sensing the color of an object

Method and device for the colorimetric measurement of a...

Modeling properties of flake finishes using directional resoluti

Optical systems for use in sorting apparatus