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

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

Focal length transitional method, auxiliary lens for transiting

Optical: systems and elements – Diffusing of incident light

Focal plates and method of manufacturing the same

Optical: systems and elements – Prism – With reflecting surface

Focal point adjusting device for zoom lens

Optical: systems and elements – Single channel simultaneously to or from plural channels

Focal point detection apparatus

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

Focus adjustable head mounted display system and method and...

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

Focus adjustable head mounted display system for displaying...

Optical: systems and elements – Lens – Multiple component lenses

Focus adjustable optical system

Optical: systems and elements – Lens – With variable magnification

Focus adjusting apparatus of zoom lens

Optical: systems and elements – Lens – With variable magnification

Focus adjusting apparatus of zoom lens

Optical: systems and elements – Lens – With variable magnification

Focus adjusting mechanism and portable electronic device...

Optical: systems and elements – Lens – With support

Focus adjustment apparatus

Optical: systems and elements – Lens – With support

Focus adjustment assemblies for projection television

Optical: systems and elements – Lens – With variable magnification

Focus adjustment method of zoom lens system

Optical: systems and elements – Having significant infrared or ultraviolet property – Lens – lens system or component

Focus compensating lens for use in extreme temperatures

Optical: systems and elements – Lens – With variable magnification

Focus corrector for zoom projection lenses used with...

Utility Patent

Optical: systems and elements – Compound lens system – Telescope

Focus detecting apparatus for a telescope system

Optical: systems and elements – Diffraction – From grating

Focus detecting optical system

Optical: systems and elements – Single channel simultaneously to or from plural channels

Focus detecting optical system

Optical: systems and elements – Lens – With reflecting element

Focus detecting optical system including eccentrically disposed