Adjustable reflector/director for fluorescent light fixture

Details Adjustable reflector/director for fluorescent light fixture Adjustable reflector/director for fluorescent light fixture

1994-09-15

1996-04-23

Gromada, Denise L.

Illumination

Elongated source light unit or support

With or including transparent or translucent member

362260, 362278, 362311, 362320, F21S 300

Patent

active

055109659

ABSTRACT:
Fluorescent tube lights have improved reflectors and light directors or dimming devices characterized by elongated light element protection tubes sleeved over the light elements and having a reflective and/or variable opacity surface formed thereon whereby the direction and intensity of light may be varied by rotating the protection tubes with respect to the light fixture. The light element protection tubes have a variable light blocking surface formed thereon or on a flexible plastic film insert which may be sleeved within the tubes to provide for improved projection of light direction and intensity. The light blocking surface is formed by an opaque portion and opposed variable opacity portions having a dot matrix pattern. The modified light reflecting and light blocking protection tubes may be otherwise conventional protection tubes which are usable in many applications including fluorescent light fixtures at office workstations.

REFERENCES:
patent: 3805053 (1974-04-01), Julinot
patent: 4186431 (1980-01-01), Engel et al.
patent: 4280170 (1981-07-01), Baldwin
patent: 4432044 (1984-02-01), Lautzenheiser
patent: 4562517 (1985-12-01), Pankin
patent: 4642741 (1987-02-01), Cohn
patent: 4796169 (1989-01-01), Shemitz
patent: 4833575 (1989-05-01), Hamilton
patent: 5282091 (1994-01-01), Grabowski

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