Module for parallel lighting and balancer coil for discharge...

Details Module for parallel lighting and balancer coil for discharge... Module for parallel lighting and balancer coil for discharge...

2008-12-01

2010-11-16

Vo, Tuyet Thi (Department: 2821)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C335S224000, C335S222000, C335S221000, C335S209000

Reexamination Certificate

active

07834726

ABSTRACT:
A small balancer coil for cold-cathode florescent lamps having sufficient shunt/balance effects, comprises a discharge lamp, a conductor located close to the discharge lamp, and two coils whose magnetic fluxes face each other. The magnetic fluxes generated in the coils face and cancel each other. Lamp currents of the discharge lamps are balanced by making the sum of the reactances of the mutual inductance of the balancer coil larger than the negative resistance of the discharge lamp. Section winding is applied to each coil of the balancer coil so as to maintain shunt and balance effects even in a small/flat balancer coil by making self-resonance frequency of each of the coils higher.

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