Device for generating a magnetic field in a goal area for...

Details Device for generating a magnetic field in a goal area for... Device for generating a magnetic field in a goal area for...

2011-03-29

2011-03-29

Patidar, Jay M (Department: 2858)

Electricity: measuring and testing

Magnetic

Displacement

C324S207260

Reexamination Certificate

active

07915887

ABSTRACT:
A device for generating a magnetic field in a goal area with at least two coils arranged in parallel to a goal area defined and bounded by a goal, wherein a first coil is attached in an area behind the goal and a second coil is attached closer to the goal than the first coil or identical to the goal, wherein the first coil and the second coil respectively have a coil impedance, wherein the coil impedance of the second coil is set so that a magnetic field of the second coil generated due to a magnetic field of the first coil reduces the magnetic field of the first coil at a location within the second coil by at least 20%.

REFERENCES:
patent: 4375289 (1983-03-01), Schmall et al.
patent: 2006/0247076 (2006-11-01), Petersen
patent: 2008/0085790 (2008-04-01), Englert
patent: 2008/0090683 (2008-04-01), Englert et al.
patent: 2732543 (1977-07-01), None
patent: WO 9532774 (1995-12-01), None
patent: WO 00/47291 (2000-08-01), None

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