Method and apparatus for dynamic magnetic field neutralization
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 17, 1991
Issued Date -
N/A
app pub date -
Oct 3, 1990
filing date -
May 1, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for controlling the magnetic field value within a specified volume, subject to an external ambient magnetic field, wherein the method and apparatus employ a plurality of magnetic field sensors and an associated plurality of coils, together with an electrical drive circuit connecting each of the sensors to the associated coil and including a feedback coupling the output of each of said coils to all of said sensors.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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