LandOfFree - US Patents - Listing for Optical: systems and elements

Optical: systems and elements – Glare or unwanted light reduction – Display window

Filter assembly

Optical: systems and elements – Lens – With support

Filter change-over device

Optical: systems and elements – Absorption filter – With support or frame

Filter device

Optical: systems and elements – Absorption filter – Filters in optical parallel

Filter device

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element

Filter device employing a holographic element

Optical: systems and elements – Absorption filter – Movable in or out of optical path

Filter device for color optical scanners

Optical: systems and elements – Absorption filter – Fluid

Filter for a display system

Optical: systems and elements – Absorption filter

Filter for a low-pressure mercury vapor lamp

Optical: systems and elements – Absorption filter – Fluid

Filter for display system

Optical: systems and elements – Polarization without modulation – By relatively adjustable superimposed or in series polarizers

Filter for enhancing vision and/or protecting the eyes and...

Optical: systems and elements – Glare or unwanted light reduction – With absorption means

Filter for illusion apparatus

Optical: systems and elements – Optical amplifier – Correction of deleterious effects

Filter for selectively processing optical and other signals

Optical: systems and elements – Lens – Selective wavelength transmitting or blocking

Filter for selectively processing optical and other signals

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element

Filter having adjustable spectral transmittance function

Optical: systems and elements – Absorption filter – With support or frame

Filter holder

Optical: systems and elements – Absorption filter – Movable in or out of optical path

Filter lens device for optical color scanner

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

Filter Selector

Optical: systems and elements – Optical amplifier – Optical fiber

Filter with preselected attenuation/wavelength characteristic

Optical: systems and elements – Optical amplifier – Correction of deleterious effects

Filter with variable transmission character, optical...