Write-once data writing system for optical recording medium
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
Aug 21, 1987
filing date -
Aug 22, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a write-once data writing method for optical recording medium of a type wherein a data track includes a plurality of sectors each having at least a preamble and data. A deceleration region is provided at a position following the last recorded sector on a track including both recorded and blank areas, the length of the deceleration region corresponding to a deceleration time necessary to change the relative moving rate of a writing/reading head with respect to the optical recording medium from one for reading to another for writing, and then additional data is recorded sector by sector at region following said deceleration region. Also, disclosed is an apparatus for achieving the method.
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