Downhole fluorescence detection apparatus

Dual beam photometer with rotating filter plate

Dual emission microscope

Dual wavelength photometric device

Dual-band sensor system utilizing a wavelength-selective...

Dual-wavelength absorption detector adapted for continuous-flow

Dye detection method and apparatus

Dynamic plasmonics-enabled signal enhancement, a device...

Easel for optimizing photographic color prints

Electro-optical detection system

Electro-optical system for scanning color documents

Electroluminescent color device

Electronic color matching apparatus and method of display

Ellipsoidal cylinder fluorescence analyzer

Emission filter X-Y array

Enhanced instrumentation and method for optical measurement...

Environmentally sealed colorimeter for industrial environments

Equivalent tone region detecting device

Facsimile remote diagnostic system

Fatigue-degree evaluation device