| 摘要 |
A safety switching apparatus for power-operated equipment, for power-operated machinery and for power-operated windows, doors, sliding equipment and the like, in particular of vehicles, having at least a light source, an optical waveguide ( 1 ), a light sensor and an associated control unit that controls the driving of the equipment in dependence on the intensity of light received by the light sensor, the optical waveguide ( 1 ) having a light-guiding core ( 2 ) with a high refraction coefficient and an outer wall ( 3 ) surrounding the light-guiding core ( 2 ) and having a lower refraction coefficient than the light guiding core ( 2 ), the light-guiding core ( 2 ) and/or the outer wall ( 3 ) being fabricated from a material that is in a liquid or elastically deformable state in the optical waveguide ( 1 ) ready for service.
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