Optical information recording/reproducing system, optical information storage medium, and manufacturing method thereof
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United States of America Patent
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Jul 27, 1999
Issued Date -
N/A
app pub date -
Nov 9, 1998
filing date -
Jun 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical information storage medium is provided which may be employed as a prepaid card usable as money in limited stores. The optical information storage medium includes a function writable chip which consists of a plurality of memory areas each including a writable region in which information can be written once by a scan of a given beam of light and a read-only region storing therein given information which can be read out by a scan of a given beam of light. Each of the read-only regions includes a scanning guide section and an address storage section.
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