Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
Inventor
active
Apparatus for ensuring operational clearance between a...
Correcting for comatic aberration in an optical head of an optic
Disc recording system
Focus error detection apparatus utilizing focusing an front and
Prism optics stable with respect to wavelength and temperature v
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Profile ID: LFUS-PAI-P-1509258