Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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65/00
Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
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H01J65/04
Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating; plasma display panels
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H01J65/042
by an external electromagnetic field
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H01J65/048
the field being produced by using an excitation coil
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