Luminaire

Details Luminaire Luminaire

1994-09-13

1996-08-06

Yeung, James C.

Illumination

Light source and modifier

Including reflector

362346, 362304, 362348, 362217, F21V 712

Patent

active

055440304

ABSTRACT:
The luminaire has a concave reflector (1) built up from plane facets (4). The facets are arranged in rows (7) which extend between first parallel planes (8) towards the light emission window (3). The facets are also bounded by second parallel planes (9). The first and the second parallel planes extend parallel to the axis (2) of the reflector, but transversely to one another. A lamp holder is (30) 204 present for holding an electric light source (31') in a plane transverse to the plane of symmetry (6) of the reflector. The luminaire is suitable for concentrating the light generated by the light source into a comparatively wide beam and for illuminating a field from a small distance with a high degree of homogeneity.

REFERENCES:
patent: 4021659 (1977-05-01), Wiley
patent: 4087682 (1978-05-01), Kolodziej
patent: 4447865 (1984-05-01), Van Horn et al.
patent: 4855886 (1989-08-01), Eijkelenboom et al.
patent: 4905133 (1990-02-01), Mayer
patent: 4929863 (1990-05-01), Verbeek et al.
patent: 4994948 (1991-02-01), Gooch
patent: 5278744 (1994-01-01), Geboers
Casey et al., "Heterostructure Lasers", Part B: Materials and Operating Characteristics, 1978, pp. 206-217.

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