Circuit and method for protecting electronic devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 23, 2005
Issued Date -
N/A
app pub date -
Mar 1, 2002
filing date -
Sep 1, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The access time for the use of an electronic device, for example a chip, is prolonged after each unauthorized access attempt. The access time is determined by the time for the matching of the turn-on voltages of two floating gate cells. Before an access attempt, the turn-on voltage of one cell is set to a predefined initial value and the turn-on voltage of the other cell is set to a value which is higher in comparison and which is increased after each unauthorized access.
First Claim
Family
International Classification(s)
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