| 20090025041 | CHANGE-OVER SWITCH OF EXTERNAL UNITS OF FIXED AERIALS FOR SATELLITE SIGNAL RECEIVERS - For individual reception of signals of television, radio and other services provided for by means of geostationary telecommunication satellites there is designed a change-over switch of external units of fixed aerials with a system of individual switches controlled by means of standard pulses generated by a satellite receiver. The change-over switch is provided with a command decoding unit ( | 01-22-2009 |
