Antenna for detecting magnetic field, and gate for detecting detection tag employing the antenna
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 25, 2007
app pub date -
Jun 9, 2004
filing date -
Jul 18, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention discloses: an antenna for detecting a magnetic field, wherein a plurality of loop antennas wound in opposite directions are connected in series and placed in a plane, a magnetic field detector comprising a plurality of the above antennas for detecting a magnetic field and an output circuit for taking out a differential output between the outputs of the plurality of antennas, and a gate for detecting detection tag comprising the above magnetic field detector and a coil for magnetic field generation.
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