Importance

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Abstract

A lamp, in particular a lamp for medical applications (operating lamps), having at least one light source, and at least two reflectors, is provided where in order to form a low-shadow illuminated area, light emerging from the lamp impinges upon the illuminated area by at least two different angles of incidence, such that the angles of incidence of the light can be adjusted by changing the distance between the at least two reflectors or between one reflector and the source of the light. The at least two reflectors may be arranged so that they can shift in the radial direction on carrier rails that extend radially from the center of the lamp. In this arrangement, the reflectors always lie on a common circular circumference, and the reflectors can be shifted through manually activated gears or through electric drive motors. Two ring-shaped reflectors may also be provided coaxially to the lamp-longitudinal axes, where an outer ring-reflector surrounds the light source affixed along the longitudinal axis, while on the side that faces away from the illuminated area, an inner ring-reflector is provided. The inner ring reflector is arranged so that it can be shifted along the longitudinal axis. Alternatively, two ring-shaped reflectors are provided coaxially to the lamp-longitudinal axes, where an outer ring-reflector surrounds the light source arranged along the longitudinal axis, while on the side that faces away from the illuminated area, an inner ring-reflector is provided in a fixed position. The light source is arranged so that it can be shifted along the longitudinal axis.

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First Claim