| 摘要 |
<p>1. Device for calculating the ratio between two frequencies of two signals, comprising two frequency dividers (2, 3) receiving the two signals, respectively, and connected to computing means (1) known per se, for working out said ratio and comprising means (10) for determining without error the frequency of the input signal of one (2) of the two dividers from its output signal, device characterized by the fact that it is provided with other means (4, 5) connected between said determination means (10) and the other one (3) of the two dividers, for determining the frequency of the input signal of this other divider (3).</p> |
