Optical recording medium, apparatus for reproducing the same and method of recording and reproducing the same
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United States of America Patent
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Aug 9, 1994
Grant Date -
N/A
app pub date -
Dec 17, 1992
filing date -
Jan 17, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The optical recording medium includes: an information recording substrate; and pits formed on the information recording substrate, each of the pits corresponding to a recording information unit comprising a plurality of bits, and having one of predetermined patterns for respectively generating different optical characteristics by projecting a light spot onto the pits.
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