Switching variable magnification finder

Swivel mirror assembly

Swivel-base sunlight reflector and kit for assembling same

Swollen gyricon displays and method of making same

Symmetric anastigmatic endoscope relay system

Symmetric, bi-aspheric lens for use in transmissive and...

Symmetrical lens system for use in copying machine

Symmetrical overfilled polygon laser scanner

Symmetrical prism beam deflector

Symmetrical projection screen

Synchronization apparatus for an optical communications network

Synchronization method as well as synchronizing units, terminal

Synchronization of digital systems using optical pulses and mdou

Synchronization signal generating circuit for an optical scannin

Synchronized XY laser scanner

Synchronizing screen

Synchronizing signal detecting method and device for...

Synchronous amplitude modulation for improved performance of...

Synchronous modulation method and apparatus for in-line regenera

Synchronous optical digital transmission system and method