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Electronic ballast that manages switching frequencies for extrinsic purposes
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Heat spreader for electronic ballast
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Electronic ballast with reversely wound filament winding
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Electronic ballast producing voltage having trapezoidal envelope for instant start lamps
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In-rush surge limiting electronic ballast
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Lamp protective, electronic ballast
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Electronic ballast that monitors direct current through lamp filaments
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Capacitive lamp out detector
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Externally dimmable electronic ballast
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Self-dimming electronic ballast
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Low height ballast for fluorescent lamps
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Booster driven inverter ballast employing the output from the inverter to trigger the booster
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Electronic Ballast with low harmonic distortion
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