Identification authenticating system
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United States of America Patent
Stats
-
Feb 27, 1990
Grant Date -
N/A
app pub date -
Nov 16, 1987
filing date -
Nov 17, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An identification authenticating system includes a first memory for storing a program to perform a preselected calculation on an input value to obtain an expected result. An input value is supplied to the program wherein calculation is performed thereon. An external signal is supplied, and that signal is compared the expected result. A comparison determines whether the expected result and input value correspond to one another, thereby authenticating an identification.
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