Light sensitive validating identification badge system
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United States of America Patent
Stats
-
Sep 24, 1985
Issued Date -
N/A
app pub date -
Feb 1, 1984
filing date -
Oct 21, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A temporary security badge fabrication system is provided comprising a badge having at least one surface coated with an ambient light sensitive coating which when exposed to ambient light conditions for a specified predetermined period of time will change to a specified color. A means is also provided for printing information on the badge. An attachment means is provided which is mounted to the badge for attaching the badge to a wearer and permitting exposure of the badge to ambient light. Thus when the badge is attached to the wearer and exposed to ambient light for the specified period of time, the badge changes to the specified color.
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Family
International Classification(s)
Cited Art Landscape
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