Surface texture reading access checking system
Number of patents in Portfolio can not be more than 2000
United States of America
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-
Mar 12, 1991
Grant Date -
N/A
app pub date -
Oct 5, 1988
filing date -
Jul 23, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Surface texture reading access checking system. The identification information attached to each support object serving as a key is constituted by the texture of a surface portion of said object. A reader reads this information and communicates it to the processing means, which carry out a comparison between the signal read and recorded signals. Application to the production of locks or access checking means for data processing, telematic, banking and similar systems.
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