| 摘要 |
In a workplace light fixture, in particular for illuminating a workplace at industrial sewing machines, comprising a lamp shade having a reflector for the directional illumination of a workplace area and devices for adjusting the brightness of the lighting fixture, provision is made, for the purpose of optimally adjusting the workplace illumination to the subjective brightness sensation of the operating person, for a sensor (7) to be provided for measuring the light intensity (I) which is reflected from the illuminated work area (A), and for the device for adjusting the brightness of the lighting fixture to be constructed as the control arrangement (11) comprising the sensor (7), in such a manner that the brightness of the lighting fixture (1) is controlled so that the intensity (I) of the reflected light is constantly held at a specific value. <IMAGE>
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