IPC Main Group
H01J 61/00 Gas-discharge or vapour-discharge lamps
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Related Keywords
DISCHARGE lampsdischarge tubes using FLUORESCENCEelectric discharge LAMP(S)electric discharge lampsdischarge tubes for LIGHTINGdischarge tubes using VAPOUR(S)
13 direct subcodes
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