Louvered light control

Details Louvered light control Louvered light control

1996-10-03

1998-03-31

Sember, Thomas M.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362284, 362325, 362324, F21V 1702

Patent

active

057330360

ABSTRACT:
A louvered light control controls the light emitted by a standard drop-in fluorescent light fixture. The fluorescent light fixture is removed and a louver frame containing first and second louver assemblies stacked within the louver frame is inserted in place of the lens. The louver assemblies are oriented so that the louver vanes of the first louver assembly are at a right angle with respect to the louver vanes of the second louver assembly. Adjusting means for adjusting the movable vanes of the first and second louver assemblies between a relatively open position and a relatively closed position permit control of light emitted by the fluorescent light fixture.

REFERENCES:
patent: 1176120 (1916-03-01), Wilson
patent: 1326393 (1919-12-01), D'Humy
patent: 3333094 (1967-07-01), Steel
patent: 3604922 (1971-09-01), Steel
patent: 4222094 (1980-09-01), Wolar
patent: 4314320 (1982-02-01), Wolar
patent: 4567549 (1986-01-01), Lemme
patent: 4800473 (1989-01-01), Tremblay
patent: 5276601 (1994-01-01), Holzhacker

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