Opto-magnetic pick-up device including phase difference correcting means
 An opto-magnetic pick-up device for use in an information recording and reproducing device is disclosed. The device comprises a phase difference correcting device capable of correcting the phase difference between the linearly polarized component of the reflected light from the recording medium and a polarized component vertical to the linearly polarized component. 
Olympus Optical Company Ltd.
G G
G11B G11B
inventional inventional
Tsuneo Kiichi Nobuhide
Yanagida Kato Matsubayashi