H - Electricity – 01 – J
Patent
H - Electricity
01
J
315/55
H01J 61/32 (2006.01) H01J 61/56 (2006.01)
Patent
CA 1241991
A B S T R A C T An adapter for connecting a compact gas va- pour electric-discharge lamp to standardized incand- escent lamp fittings. The adapter (11) comprises a coupling housing (12), a holder part (13) for the base (14) of the lamp, and a conventional incandescent-lamp base (15). The adapter has a basic form corresponding substantially to the lower part of a standard incand- escent lamp. The upper part of the adapter is formed by the holder part (13), which presents a central re- cess (21) into which the base (14) of the lamp (17) can be inserted, and a reflective cover plate (22), which surrounds the recess (21). The ignition and drive circuits (16) of the electric-discharge lamp includes an electronic frequency converter for converting mains frequency to a high frequency. The constituent electric- al components are incorporated both around the recess (21) and in the lamp base (15) and are mutually connect- ed via a circuit card (18) arranged between these parts. (Figure 1 for Publication.)
501323
Fetherstonhaugh & Co.
Lumalampan Aktiebolag
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