One-way data transmission systems

Operation unit of electronic equipment utilizing visually displa

Optical anti-reflective information record

Optical color analysis process

Optical control system for read out from information recording m

Optical data communication system and printer

Optical detection system for simultaneously interrogating a plur

Optical device for projecting a radiation beam onto a data carri

Optical disc reader having diffraction minima at non-interrogate

Optical disk reader with means for correcting errors due to ecce

Optical encoding of imaging data

Optical fiber inspection system

Optical filter device

Optical high density FM recording device with corrective signal

Optical illumination and distortion compensator

Optical indexing system

Optical information recording apparatus

Optical inspection apparatus for moving articles

Optical inspection apparatus for moving articles

Optical inspection system