Offset optical security sensor for a door

Offset optical security sensor for a door

Oil and gas well packer having fiber optic Bragg Grating sensors

Oil concentration detector

Oil content monitor/control system

Omnidirectional electro-optical receiver

Omnidirectional vision system for controllng mobile machines

On-axis film scanner with reflected illumination

One piece optical assembly for low cost optical scanner

Operating device and operating method for an electric...

Operating radiation sensors to avoid transfer loss

Operator input device

Operator interface for a photoelectric control unit

Optic sensor with reference and detecting optic circuits

Optic sensors

Optic switch and speed sensor

Optical absolute encoder

Optical addressing device and its use in electro-optical imaging

Optical amplifier control unit, optical amplification...

Optical angle measuring method and apparatus particularly for ma