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

Optical: systems and elements – Optical aperture or tube – or transparent closure

Friction-free bistable device for use in space application, in p

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...

Front converter lens

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...

Front converter lens system using a diffractive surface

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

Front end for a broadband optical receiver

Optical: systems and elements – Projection screen – Unitary sheet comprising plural refracting areas

Front faceplate used in rear projection type screen,...

Optical: systems and elements – Light interference – Produced by coating or lamina

Front filter in plasma display panel

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

Front projection image display screen with improved contrast...

Optical: systems and elements – Projection screen

Front projection screen

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

Front projection screen with lenticular front surface

Optical: systems and elements – Projection screen – Embedded particles

Front projection screen with lenticular front surface

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

Front projection screens including reflecting and refractive...

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

Front projection screens including reflecting and refractive...

Optical: systems and elements – Projection screen – Unitary sheet comprising plural refracting areas

Front projection screens including reflective layer and an...

Optical: systems and elements – Projection screen – Unitary sheet comprising plural reflecting areas

Front projection type screen

Optical: systems and elements – Image stabilization – By movable refractive structure

Front tele-converter, and front tele-converter having...

Optical: systems and elements – Image stabilization – By movable refractive structure

Front tele-converter, and front tele-converter having...

Optical: systems and elements – Diffraction – From grating

Front teleconverter lens system

Optical: systems and elements – Polarization without modulation – Polarization using a time invariant electric – magnetic – or...

Front-end circulator for an optical device

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

Front-lit liquid crystal display having brightness enhancing fil