Gas-discharge or vapour-discharge lamps

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

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Child Classifications

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• H01J 61/02 Details
• H01J 61/58 Lamps with both liquid anode and liquid cathode
• H01J 61/6 Lamps in which the discharge space is substantially filled with mercury before ignition
• H01J 61/62 Lamps with gaseous, e.g. plasma cathode
• H01J 61/64 Cathode glow lamps
• H01J 61/68 Lamps in which the main discharge is between parts of a current-carrying guide, e.g. halo lamp
• H01J 61/7 Lamps with low-pressure unconstricted discharge
• H01J 61/82 Lamps with high-pressure unconstricted discharge
• H01J 61/84 Lamps with discharge constricted by high pressure
• H01J 61/92 Lamps with more than one main discharge path
• H01J 61/95 Lamps with control electrode for varying intensity or wavelength of the light, e.g. for producing modulated light
• H01J 61/96 Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
• H01J 61/98 Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp