Reduction of vertical segregation in a discharge lamp
An apparatus for reducing vertical segregation of a discharge lamp. A current/voltage input sweeps through a frequency range between the first azimuthal acoustic resonance mode and a first radial acoustic resonance mode of the discharge lamp. The current/voltage input is subsequently amplitude modul...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | An apparatus for reducing vertical segregation of a discharge lamp. A current/voltage input sweeps through a frequency range between the first azimuthal acoustic resonance mode and a first radial acoustic resonance mode of the discharge lamp. The current/voltage input is subsequently amplitude modulated. Alternatively, the current/voltage input sweeps through the frequency range for a first portion of the period, and then for a second portion of the period drops to a relatively constant frequency. |
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