Ultra-high reduction microfiche layout and positioning mechanism
Uniform speckle reduced laser projection using spatial and...
Uninterrupted power supply for projection lamp protection
Unique optical projection system
Unit for mounting electro-optical device and projector using...
Unitary prepolarizing prism assembly for a four color liquid cry
Unitary prepolarizing prism assembly for a four color liquid cry
Unpolished optical element with periodic surface roughness
Untethered laser pointer for use with computer display
Use of a CCD camera in a projector platform for smart screen...
Use of distorting optics in imaging systems
User-interface for a projection device
User-interface for a projection device
User-interface for projection devices