| 摘要 |
The method uses signal generators (ZG1, ZG2) which, advanced by a clock generator, supply reproducible text sequences with a long cycle according to a predefined formation law which can be set in parts. An original text sequence obtained from a first signal generator (ZG1) is modified through time-dependent selection of text elements depending on a time-variant control parameter from at least one signal generator (ZG1, ZG2), one of which is the first-mentioned signal generator (ZG1), by at least one control device (X) with a data input (E), a data output (A) and a control input (S). <IMAGE>
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