| 摘要 |
FIELD: cable television. ^ SUBSTANCE: system is made with possible reversed transfer of signals to local networks, included in system, back to main station of system in preset range of carrying frequencies, system has means for controlling interference, which include detection means, which are made with possible comparison of signals power level to one preset control level, and with possible generation of logic signals, memory devices, and also means in main station of system, using which information stored in memory means of local networks can be queried for transfer to main station for estimating this information at main station. ^ EFFECT: higher efficiency, broader functional capabilities. ^ 10 cl, 3 dwg |
