| 摘要 |
<p>The proximity switch has two signal transmitters and a signal receiver. The two transmitters are connected together at their first signal outputs and to a first signal input and via their individual second signal outputs and signal transmission paths to the second signal input of the signal receiver. At least one of the signal transmission paths can be influenced. The signal transmitters generate frequency spread signals. The proximity switch has two signal transmitters (1,2) and a signal receiver (3), whereby the two transmitters are connected together at their first signal outputs (4,5) and to a first signal input (6) on the one hand and on the other hand via their individual second signal outputs (7,8) and signal transmission paths (9,10) to the second signal input (11) of the signal receiver. At least one of the signal transmission paths can be influenced. The signal transmitters generate frequency spread signals.</p> |
