Inductor devices – Plural part core
Patent
1982-06-10
1984-12-04
Pellinen, A. D.
Inductor devices
Plural part core
336215, 336221, 336232, 235492, 235493, H01F 2724
Patent
active
044867310
ABSTRACT:
A coil assembly with reduced anisotropy has a pancake type loop winding of one or more turns with which is interrelated one or more strips or bodies of magnetically permeable material. The permeable material provides as compared with air a lower reluctance flux path that passes through the pancake coil from one side to the other thereof. The permeable strips are shown and described generally in the shape of an open or interrupted "cross".
REFERENCES:
patent: 3448440 (1969-06-01), Wiegand
patent: 3521280 (1970-07-01), Janco et al.
patent: 3624311 (1971-11-01), Emden
patent: 3634799 (1972-01-01), Straugh
Pellinen A. D.
Sensormatic Electronics Corporation
Steward S.
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