Inventor

POWELL KARLTON

US21 patents

⚠️ This page may combine multiple inventors who share the name “POWELL KARLTON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

POWELL KARLTON

MICROSOFT TECHNOLOGY LICENSING LLC

Display edge emission compensation

Computer vision depth sensing at video rate using depth from defocus

See-through IR frontlight with embedded partially reflective facets

Control of polarization and diffractive artifact resolution in retro-imaging systems

Increased accuracy corner cube arrays for high resolution retro-reflective imaging applications

Increased accuracy corner cube arrays for high resolution retro-reflective imaging applications

MICROSOFT CORP

Infrared vision with liquid crystal display device

Rear-projection display

Reducing ghosting and other image artifacts in a wedge-based imaging system

Auto-aligned illumination for interactive sensing in retro-reflective imaging applications

Systems and methods for wedge-based imaging using flat surfaces

POWELL KARLTON

Touch-pressure sensing in a display panel

Touch sensing liquid crystal display compatible with linearly polarized sunglasses

Illuminator for touch- and object-sensitive display

Angularly-selective sensor-in-pixel image detection

BALL SEMICONDUCTOR INC

Maskless exposure system

Total internal reflection holography method and apparatus for lithography on 3-D spherical shaped integrated circuit

Optical element for imaging a flat mask onto a nonplanar substrate

Apparatus for producing uniform coating thickness on a spherical substrate

LARGE TIMOTHY

Hover detection in an interactive display device

LIU ZHIQIANG

Rear-projection display