Apparatus for dynamic magnetic field control

Details Apparatus for dynamic magnetic field control Apparatus for dynamic magnetic field control

1990-10-03

1991-08-13

Pascal, Robert J.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Pulse storing

H01J 2906

Patent

active

050399110

ABSTRACT:
A method and apparatus for controlling the magnetic field value within a specified volume subject to an external ambient magnetic field wherein the apparatus includes a number of magnetic field generators each associated with one of a number of magnetic sensors. The disposition of the magnetic field generators with respect to one another and to the associated sensors is such that the total effect of current selectively applied to the generators is to produce within the volume a magnetic field in opposition to the ambient external magnetic field.

REFERENCES:
patent: 2925524 (1960-02-01), Heil
patent: 3757154 (1973-09-01), Okita et al.
patent: 4380716 (1983-04-01), Romeo et al.

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