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

Projection screen with retro-reflective calibration points, plac

Patent

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

Projection screen, and projection type display system

Optical: systems and elements – Projection screen – Embedded particles

Projection screens and methods for making such projection...

Projection screens and the like

Projection screens, methods for forming a projection screen...

Projection surface

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

Projection system

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

Projection system

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

Projection system

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

Projection system

Optical: systems and elements – Lens – With light limiting or controlling means

Projection system

Projection system and method comprising a fluorescence...

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

Projection system and method of controlling a square-wave...

Optical: systems and elements – Deflection using a moving element – By moving a reflective element

Projection system and optical actuator thereof

Optical: systems and elements – Compound lens system – With curved reflective imaging element

Projection system comprising a free form reflector and a free fo

Patent

Projection system employing a screen with moving water

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

Projection system field lens

Optical: systems and elements – Compound lens system – With curved reflective imaging element

Projection system for a lithographic apparatus

Optical: systems and elements – Polarization without modulation – Polarization by optical activity

Projection system including intrinsic polarizer