Assembly of a fluorescent lamp and an extension means

Details Assembly of a fluorescent lamp and an extension means Assembly of a fluorescent lamp and an extension means

2008-03-18

2008-03-18

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices

With gas or vapor

Having a particular total or partial pressure

C315S058000, C315S129000

Reexamination Certificate

active

07345423

ABSTRACT:
An energy-saving assembly of an elongate low-pressure mercury vapor discharge lamp (1) and at least one elongate extension (2). The low-pressure mercury vapor discharge lamp includes a light-transmitting discharge vessel (10) enclosing, in a gastight manner, a discharge space (15) provided with a filling of mercury and a rare gas mixture. The rare gas mixture includes at least 50% by volume of krypton. The discharge vessel is provided with a luminescent layer (13). Electrodes (4a;4b) are arranged in the discharge space for maintaining a discharge in the discharge space. The extensions are provided for connection to the low-pressure mercury vapor discharge lamp. The extension includes an inductance (3). The length of the low-pressure mercury vapor discharge lamp together with the length of the extension is adapted to fit a pre-determined mounting distance of tow-pressure mercury vapor discharge lamps.

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