Optical position location apparatus

Optical position sensor

Optical position transducer

Optical reading apparatus for high resolution optical encoder

Optical sensor

Optical shaft encoder

Optical signal emitter assembly

Optical signal transmitter

Optical signal transmitter with multiple light source

Optical signalling device, more particularly for an article...

Optical smoke detector

Optical smoke detector

Optical smoke detector

Optical smoke detector

Optical smoke detector

Optical smoke detector

Optical smoke detector circuit

Optical smoke detector improvements

Optical smoke detector with active self-monitoring

Optical smoke detector with conical light beam source