Electrical transformer

Details Electrical transformer Electrical transformer

2005-10-04

2005-10-04

Donovan, Lincoln (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S223000, C336S232000, C336S083000

Reexamination Certificate

active

06952153

ABSTRACT:
An electrical transformer having primary winding segments and secondary winding segments interconnected, respectively, by first and second multilevel printed circuit boards disposed in a pair of overlaying planes and additional segments disposed perpendicular to the overlaying planes.

REFERENCES:
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patent: 5973923 (1999-10-01), Jitaru
patent: 5990776 (1999-11-01), Jitaru
patent: 5999078 (1999-12-01), Herbert
patent: 6198374 (2001-03-01), Abel
patent: 6285273 (2001-09-01), Morikawa
patent: 6388551 (2002-05-01), Morikawa
patent: 2003/0011458 (2003-01-01), Nuytkens et al.
patent: 0 756 298 (1997-01-01), None
patent: 0 851 439 (1998-07-01), None
patent: 1 085 536 (2001-03-01), None
PCT International Search Report PCT/US2004/002465, no date.
PCT International Search Report PCT/US2004/002465.

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