Luminaire and lamellae louver

Details Luminaire and lamellae louver Luminaire and lamellae louver

2011-03-15

2011-03-15

Ton, Anabel M (Department: 2875)

Illumination

Light modifier

Reflector

C362S217010, C362S217020, C362S217030

Reexamination Certificate

active

07905636

ABSTRACT:
The luminaire and the lamellae louver (20) have lamellae (10) which enclose an acute angle δ with a main plane S. The lamellae (10) may have a kink (13) in plane S, and additional kinks (14) laterally of the plane S. The lamellae (10) prevent glare in plane S and in surrounding planes and thereby allow the luminaire to meet the Unified Glare Rating.

REFERENCES:
patent: 2221954 (1940-11-01), Schepmoes
patent: 2429141 (1947-10-01), Taylor
patent: 2837632 (1958-06-01), Lipscomb
patent: 3135472 (1964-06-01), Helmholz
patent: 3628007 (1971-12-01), Rosenberg
patent: 4516197 (1985-05-01), Yonkers
patent: 5493826 (1996-02-01), Keller et al.
patent: 29913663 (1999-11-01), None
patent: 1013003 (1952-07-01), None
patent: 2862124 (2005-05-01), None
patent: 753295 (1956-07-01), None
patent: 96/25623 (1996-08-01), None
patent: 2005/098309 (2005-10-01), None
patent: 2005/108862 (2005-11-01), None

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