Electromagnetic transponder read terminal operating in very close coupling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 18, 2003
Grant Date -
N/A
app pub date -
Apr 5, 2000
filing date -
Apr 7, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A terminal for generating an electromagnetic field adapted to cooperating with at least one transponder when the latter enters its field, the terminal including an oscillating circuit adapted to receiving a high frequency A.C. excitation voltage, and circuitry for detuning this oscillating circuit with respect to a determined transmission frequency when a transponder is very close to the terminal.
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