Inverter transformer

Details Inverter transformer Inverter transformer

2008-03-18

2008-03-18

Mai, Anh (Department: 2832)

Inductor devices

Plural part core

C336S178000, C336S208000

Reexamination Certificate

active

11809924

ABSTRACT:
Variation in inductance and leakage inductance between the secondary windings is reduced thereby making lamp currents uniform and thus preventing the occurrence of uneven brightness. A two-output inverter transformer comprises a bobbin having a primary winding wound around the middle and secondary windings wound on both sides thereof and having a pole-like core inserted into its winding shaft. A rectangle frame-like core is placed to surround the primary and secondary windings such that the pole-like core is opposite the rectangle frame-like core with a gap sheet interposed at either end. Their sizes are set such that L2−L1>2 t, where L1is the length of the rectangle frame-like core, L2is the length of the pole-like core, and t is the thickness of the gap sheet, and they are so combined that the pole-like core protrudes evenly from the opposite ends of the rectangle frame-like core.

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patent: 2000133531 (2000-05-01), None

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