Photographing apparatus balancing brightness for microscopes
Photolithography system having multiple adjustable light...
Photomask positioning device
Photosensitive element having supplementary light sensitive regi
Photosensitive position sensor with logarithmic conversion
Photosensor and output control therefor
Photosensor control unit for a lighting module
Photosensor device including means for designating a plurality o
Photosensor for detecting the position of incident light in two
Photosensor for optical observing or photographing devices
Photosensor to detect the direction of incidence and intensity o
Phototracing system
Photovoltaic array with two-axis power maximization tracking
Picture scanning and recording using a photoelectric focusing sy
Piston error estimation method for segmented aperture optical sy
Piston error sensor for phased optical arrays
Planar optical scanning head having deficiency-correcting gratin
Plural arc radiation protector
Pointer/tracker for a phased array laser system
Polarization hologram lens, optical pickup, information...