Lighting apparatus

Details Lighting apparatus Lighting apparatus

1997-03-20

1999-09-14

Cariaso, Alan

Illumination

Curvilinear light source

362222, 362225, 362226, 362247, 362304, 362408, F21S 500

Patent

active

059511451

ABSTRACT:
A lighting apparatus comprises a circular fluorescent lamp having inner and outer circular portions arranged coaxially and having outer diameters different each other, the inner circular portion having an outer meter of 285 mm to 310 mm and comprising a first arc tube having a tube diameter of 15 mm to 21 mm and the outer circular portion having an outer diameter of 360 to 390 mm comprising a second arc tube having a tube diameter of 15 to 21 mm. The lighting apparatus further comprises an apparatus body to which the circular fluorescent lamp is assembled. The apparatus body is provided with light reflection member adapted to reflect a light from the fluorescent lamp means.

REFERENCES:
patent: 1437448 (1922-12-01), Ruttle
patent: 1995700 (1935-03-01), Butler
patent: 2309676 (1943-02-01), Schmidling
patent: 2406896 (1946-09-01), Owen
patent: 2589760 (1952-03-01), Zelt
patent: 4225905 (1980-09-01), Moriyama et al.
patent: 4410930 (1983-10-01), Yachabach
patent: 5105118 (1992-04-01), Shinada et al.
patent: 5282118 (1994-01-01), Lee

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