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

Optical: systems and elements – Projection screen – With reflector or additional screen

Projector screen having an improved horizontal view angle

Optical: systems and elements – Projection screen

Projector screen made from a composite glass

Optical: systems and elements – Projection screen

Projector screen structure

Optical: systems and elements – Absorption filter

Projector slides for night vision training

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

Projector using a hologram

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface

Projector using a light-selective prism

Optical: systems and elements – Lens – With field curvature shaping

Projector with flat light sources

Optical: systems and elements – Projection screen – Rear projection screen

Projector with improved screen

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface

Projector with sealed inner compartment

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface

Projector with spectral filter

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface

Projector with total cross total internal reflection (TIR)...

Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements

Projector-type display device

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Prolonged coloration electrochromic assembly

Optical: systems and elements – Having significant infrared or ultraviolet property

Protected airborne window for infrared radiation and method of m

Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements

Protected lenticular product

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface

Protecting eyes and instruments from laser radiation

Optical: systems and elements – Absorption filter

Protecting eyes and instruments from short pulse laser radiation

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

Protection arrangement for an optical transmitter/receiver devic

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

Protection for MEMS cross-bar switch