F-&thgr; lens, beam scanning device, and imaging apparatus

Fabric inspection system

Fabric pile lay detector using mirror system with means to rotat

Fabrication and applications of long-lifetime, holographic grati

Fabry-perot resonator apparatus and method including an...

Facet tracking using wavelength variations and a dispersive...

Fail safe one wire interface for optical emitter-detector...

Fail-safe scanning circuit and multi-axis light beam-type sensor

Failsafe sensing edge for automatic doors and gates

Failsafe sensing edge for automatic doors and gates

Failsafe sensing edge for automatic doors and gates having a U-s

Far field construction for optical fourier transforms

Faraday effect current sensor having two polarizing fibers at an

Fast automated spectral fitting method

Fast dither detector for fiber optic sensor

Fast laser scanning optical CT apparatus

Fault detection apparatus for material webs

Fault detection apparatus for material webs

Fault detection apparatus for material webs

Fault locator for testing a complex optical circuit