Optical ranging anti-collision technique and system

Optical ranging apparatus

Optical ranging camera

Optical receiver/transmitter system employing a common optical a

Optical reflectance proximity sensor

Optical rotary device and manufacturing method thereof and image

Optical scanner with large depth of focus

Optical scrambler for depolarizing light

Optical sensing arrangements

Optical sensing device

Optical sensor arrangement

Optical sensor for distance measurement

Optical sensor for monitoring the partial pressure of oxygen

Optical sensor operating on the transit time principle

Optical sight

Optical sight

Optical sights

Optical signal enhancement system

Optical spectrum analyzer

Optical surface topography mapping system