Fish tank with illuminating light guide device

Details Fish tank with illuminating light guide device Fish tank with illuminating light guide device

1997-12-04

2000-01-18

Tso, Laura K.

Illumination

With fluid distributer

119267, 362101, 362562, F21V 800

Patent

active

060152168

ABSTRACT:
A water tank with an illuminating device comprises a source of light and a condenser positioned outside the water tank and below the bottom thereof, a light guide made of a transparent material to guide the condensed light upwards, with the top end of the light guide positioned above the level of water filled in the water tank, and a reflecting surface to reflect the guided light toward the water tank below. The water tank is illuminated from above without locating any illuminating device atop.

REFERENCES:
patent: 3749901 (1973-07-01), Clough
patent: 4749126 (1988-06-01), Kessener et al.
patent: 4901922 (1990-02-01), Kessener et al.
patent: 5067059 (1991-11-01), Hwang
patent: 5165778 (1992-11-01), Matthias et al.
patent: 5546289 (1996-08-01), Gordon
patent: 5597228 (1997-01-01), Boyle

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