초록 ▼

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 exte

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.

대표청구항 ▼

A luminaire comprising: a concave reflector having an optical axis, an optical center on said axis, a light emission window, and a reflecting surface which surrounds the optical axis, is built up from plane facets, and has a plane of symmetry, said facets being (i) arranged in rows which each extend

A luminaire comprising: a concave reflector having an optical axis, an optical center on said axis, a light emission window, and a reflecting surface which surrounds the optical axis, is built up from plane facets, and has a plane of symmetry, said facets being (i) arranged in rows which each extend to the light emission window, between first planes, and (ii) bounded by second planes which are substantially parallel to one another and transverse to the first planes, the first planes being mutually substantially parallel and substantially parallel to the plane of symmetry, and the second planes being substantially parallel to the optical axis; and lampholder means for accommodating an electric light source inside the reflector in a plane transverse to the plane of symmetry and in the optical center the first planes (8) are mutually substantially parallel and substantially parallel to the plane of symmetry (6), and the second planes (9) are substantially parallel to the optical axis.