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    • 8. 发明授权
    • Operating theater lamp for producing a brightly illuminated main light
field and a less brightly illuminated outer light field
    • 操作剧场灯,用于产生明亮的主光场和较不明亮的外部光场
    • US6132067A
    • 2000-10-17
    • US958807
    • 1997-10-28
    • Manfred Scholz
    • Manfred Scholz
    • F21S8/00F21V7/22F21N131/205
    • F21V7/22F21W2131/205Y10S362/804
    • The invention relates to an operating theater lamp comprising a housing having a light outlet opening at the bottom with a light source being arranged centrally in the housing and deflecting light all around it to a concave reflector, preferably a ring-like concave reflector arranged in the housing, which reflects the incident light rays to the light outlet opening and concentrates them as uniformly as possible onto a main light field arranged at a distance from the light outlet opening. The invention hereby provides that the concave reflector, and/or at least one auxiliary concave reflector arranged in its vicinity and in particular concentric to it, is or are so designed and/or arranged that a part of the light rays transmitted from the light source is reflected into an outer light field extending around the main light field and preferably adjoining the latter, in such a way that a brightly illuminated main light field and a stepped-down, less brightly illuminated outer light field is present.
    • 本发明涉及一种操作剧场灯,其包括在底部具有出光口的壳体,其中光源位于壳体的中心并将其周围的光全部偏转到凹面反射器,优选为布置在其中的环状凹面反射器 壳体,其将入射的光线反射到光出口,并将它们尽可能均匀地集中到与光出口开口一定距离的主光场上。 因此,本发明提供了设置在其附近并且特别与其同轴的至少一个辅助凹面反射器和/或设计和/或布置为使得从光源发射的光线的一部分 被反射到围绕主光场延伸的外部光场中,并且优选地与主光场相邻,以使得存在明亮照明的主光场和逐渐降低的不太明亮的外部光场。