Electrical properties and uniformity of bulk degaussing coils

Details Electrical properties and uniformity of bulk degaussing coils Electrical properties and uniformity of bulk degaussing coils

2006-06-20

2006-06-20

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

C361S143000

Reexamination Certificate

active

07064948

ABSTRACT:
A degaussing system for magnetic media is provided, the system comprising an erasing head connected to an LC circuit and the erasing head including an elongated form around which a coil is wound. The coil has two segments which are spaced apart a distance to provide adjustment of the electrical and/or magnetic properties of the coil.

REFERENCES:
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patent: 5270899 (1993-12-01), Saito
patent: 5529703 (1996-06-01), Sprenger et al.
patent: 5969933 (1999-10-01), Schultz et al.
patent: 2004/0112145 (2004-06-01), May
“Helmholtz Coils”, printed on Feb. 14, 2003 from the website of Walker LDJ Scientific, Inc. at http://www.walkerldjscientific.com/walker/Helmholtzcoils/index.html, 4 pages.

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