Card having retroreflective bar codes and a magnetic stripe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 17, 1993
Issued Date -
N/A
app pub date -
Dec 4, 1991
filing date -
May 12, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A card having retroreflective bar codes is comprised of a card substrate on which there are provided a first information recording portion formed of a retroreflective material portion of a predetermined pattern and a second information recording portion which can be read out from a nearby place. Also, a card having retroreflective bar codes is formed of recorded tracks comprised of retroreflective material portions and nonretroreflective portions which are formed on a heat distortion material formed of a retroreflective member or retroreflective material by a selective heating and distortion process in response to information to be recorded.
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Cited Art Landscape
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