Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Load children
61/00
Gas-discharge or vapour-discharge lamps
Load children Filter patents View analytics View as hierarchy
H01J61/84
Lamps with discharge constricted by high pressure
Load children Filter patents View analytics View as hierarchy
H01J61/90
Lamps suitable only for intermittent operation, e.g. flash lamp
Filter patents View analytics View as hierarchy