Filter device

Filter device

Filter device for color optical scanners

Filter for a display system

Filter for a low-pressure mercury vapor lamp

Filter for display system

Filter holder

Filter lens device for optical color scanner

Filter, color wheel using the filter, and manufacturing...

Filters of electronic displays

Flexible rejection filter (U)

Free floating filter clamp

Gaseous laser power limiter initiated by nuclear radiation

Gem identification viewer

Gem identification viewer

Graded order-sorting filter for hyperspectral imagers and...

Gradient filter

Heat conducting laser resistant structures

High pass optical filter

Hybrid thermal-defocusing/nonlinear-scattering broadband...