Optical barrier formed of a set of optical emitter and...
Optical beam scanner with detector position adjustment means
Optical beam scanning device and image forming apparatus
Optical beam scanning device and image forming apparatus
Optical beam scanning device and image forming apparatus
Optical beam scanning unit with slit for producing horizontal sy
Optical beam-splitting arrangements on object side of a lens
Optical birefringment parameter measuring sensor
Optical block in smoke detectors
Optical bubble detection system
Optical bubble detection system
Optical cantilever having light shielding film and method of...
Optical card reader
Optical card reader for setting frequency division ratio of prog
Optical cavity emitter arrangements with spectral alignment...
Optical channel monitoring system with self-calibration
Optical channel monitoring system with simultaneous C-band...
Optical channel monitoring system with simultaneous C-band...
Optical cigarette end inspection method and device
Optical clock system with optical time delay means