Method of verification of a sheet element, such as a banknote
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 25, 1983
Issued Date -
N/A
app pub date -
May 22, 1980
filing date -
Mar 1, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sheet element, such as a banknote, has an incorporated authenticating device comprising a film having at least one edge which is provided with a non-rectilinear portion or portions shaped to provide coded information relating to the sheet element. The shape and proportions of said at least one edge of the shaped non-rectilinear portion or portions of said film are sensed to generate a signal dependant upon the shape and proportions of the edge of the film so as to derive the coded information.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully