Terry J. Scheffer

VARIABLE LIGHT DIFFUSING FILTER FOR CAMERAS

Augmented reality headset including viewing direction independent single-layer, pixelated light dimming filter

Viewing direction independent single-layer, pixelated light dimming filter

High contrast liquid crystal light control device providing angle independent variable transmission of incident light for uniform gray shades

High contrast electro-optic liquid crystal camera iris including liquid crystal material mixed with a dye to improve achromatic performance

Electro-optic guest-host liquid crystal variable transmission filter with wide viewing angle

High contrast electro-optic liquid crystal camera iris providing angle independent transmission for uniform gray shades

Rapid switching optical shutter alternately transmitting visible radiation and near infrared radiation

Electro-optic liquid crystal camera iris providing angle independent transmission for uniform gray shades

Enhanced vision system implemented with optical shutter alternately transmitting visible radiation and near infrared radiation

Optical polarization state modulator assembly for use in stereoscopic three-dimensional image projection system

High-speed liquid crystal polarization modulator

Self-compensating, quasi-homeotropic liquid crystal device with high contrast ratio

High-speed liquid crystal polarization modulator

Self-compensating, quasi-homeotropic liquid crystal device

Transmissive, optically addressed, photosensitive spatial light modulators and color display systems incorporating same