| 摘要 |
The invention relates to a light grid having a transmitter strip for the transmission of a plurality of light beams and a receiver strip for the reception of these light beams, an evaluation unit for the processing of received signals generated in dependence on the light beams received and a memory for reference values which can be compared with the received signals by means of the evaluation unit, with a position transducer being provided for the determination of the position of an object introduced into the monitored zone of the evaluation unit being able to be supplied with position signals supplied by the position transducer and the comparison of the reference values with the received values being able to be carried out in dependence on the position signals.
|
