Communications transformer

Inductor devices – Winding formed of plural coils – Two windings

Reexamination Certificate

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Details

C336S212000

Reexamination Certificate

active

07969270

ABSTRACT:
A communications transformer in which the primary and secondary windings are each divided into equal halves is disclosed. One primary and one secondary half winding is disposed about one section of a magnetic core, while the other halves are disposed about a second, parallel section. Voltages in the primary half windings and secondary half windings caused by stray magnetic fields are subtracted.

REFERENCES:
patent: 4893227 (1990-01-01), Gallios et al.
patent: 5229652 (1993-07-01), Hough
patent: 5338332 (1994-08-01), Baran et al.
patent: 5563922 (1996-10-01), Beltz et al.
patent: 7034647 (2006-04-01), Yan et al.
patent: 2000296254 (2000-10-01), None

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