Optical distance measuring device and printing apparatus...

Optical height detector with coaxial irradiation and image axes

Optical image scanning apparatus detecting sheet size and displa

Optical inspection system employing a staring array scanner

Optical measurement and inspection method and apparatus...

Optical measurement apparatus

Optical measuring apparatus for measuring objects on machines

Optical measuring apparatus for measuring objects on machines

Optical measuring apparatus for measuring objects on machines

Optical metrology device for precision angular measurement...

Optical notch detector head for photographic film

Optical object identification apparatus, and printing...

Optical object identifying device and printing apparatus

Optical paper sheet checking apparatus having an automatic...

Optical path array and angular filter for translation and...

Optical position detection device and distance measurement...

Optical probe for scanning surfaces within constricted spaces

OPTICAL PROXIMITY EFFECT CORRECTING METHOD IN SEMICONDUCTOR...

Optical recording and reproducing apparatus, optical head,...

Optical reflection sensor