Optical data recording and reproducing apparatus
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United States of America Patent
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Oct 26, 1993
Grant Date -
N/A
app pub date -
Aug 12, 1992
filing date -
Aug 13, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical data recording and reproducing apparatus including an objective lens for converging light onto an optical disc, and a lens holder which supports the objective lens. The lens holder has a circular opening and a lens holding surface provided on a periphery of the circular opening. One of either the objective lens or the lens holding surface of the lens holder has a symmetrical tapered surface which is adapted to come into contact with the other of either the lens holding surface or objective lens, respectively.
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