| 摘要 |
PCT No. PCT/JP88/00613 Sec. 371 Date Feb. 16, 1989 Sec. 102(e) Date Feb. 16, 1989 PCT Filed Jun. 21, 1988.The present is to provide an optical information recording/reproducing apparatus which includes a multi-beam optical head extremely reducible of generation of a tracking offset caused by the inclination of a disc or track follow-up, so that the spot-wobbling method and the push-pull method are used to fetch a tracking error signal with respect to one reading light beam, the reading light beam being tracking-controlled by use of the tracking error signal obtained by the spot-wobbling method and then the tracking control for other light beams is performed by use of both the tracking error signal obtained by the push-pull method and that obtained by the push-pull method with respect to the reproducing light beam.
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