Optical system for optical memory device
Optical system for recording, reproducing, and/or erasing inform
Optical system having a precision angular displacement mechanism
Optical system in a track-following servo system having an ellip
Optical system with tracking controller
Optical tape apparatus with a tracking control mechanism and/or
Optical tape drive systems
Optical tape recorder using a resonant flexure scanner
Optical tape recording and reproducing apparatus
Optical tape test system
Optical track follower device with sampling
Optical track segment intercept apparatus
Optical track sensing device
Optical tracking apparatus
Optical tracking apparatus with photodetector disposed outside p
Optical tracking servo apparatus
Optical tracking system
Optical tracking system for an optical recording arrangement wit
Optical unit actuator for information recording/reproducing appa
Optical unit for optically scanning an information surface, and