Optical scanning and encoding device
Optical sensor
Optical sensor and readout apparatus
Optical sensor element
Optical sensors and method for producing fibre optic...
Optical spectrum analyzer and encoder using a modulated...
Optical system
Optical system for a galvanometric recorder
Optical system for automatic meter reader
Optical writing device
Optically coupled remote sensor apparatus and system
Optically coupled sensor for application to combustible liquids
Optoelectric angle-measuring device
Optoelectronic angle sensor
Optoelectronic angle sensor and method for determining a...
Optoelectronic position measurement device and position...
Optoelectronic position measuring device and optoelectronic...
Orientating optical fibres
Outage indicating apparatus for meter telemetry systems...
Outage indicating apparatus for meter telemetry systems...