Apparatus for lighting fluorescent lamp

Details Apparatus for lighting fluorescent lamp Apparatus for lighting fluorescent lamp

2006-10-17

2006-10-17

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S307000, C315S2090SC, C363S021030, C363S021080

Reissue Patent

active

RE039341

ABSTRACT:
A fluorescent lamp lighting apparatus in accordance with the present invention has first switching means (M1) driven by a high-voltage-side pulse signal input from a drive-signal generation circuit and second switching means (M2) driven by a low-voltage-side pulse signal input from the drive-signal generation circuit, wherein the first switching means (M1) is connected in series with the second switching means (M2), and a first capacity (C5) and an inductance element (L1) and the above-mentioned second switching means (M2) are provided between the high-voltage-side terminals of a pair of filament electrodes of a light-emitting tube (4), whereby a constant luminous flux can be maintained immediately after lighting.

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patent: 6031342 (2000-02-01), Ribarich et al.
patent: 6087782 (2000-07-01), Majid et al.

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