Patent ID: 9113224
Filing Date: 2015-08-18
Classification: H04H,H04N

Abstract:
1. An optical-LNB (Low-Noise Block down-converter) for a satellite television system, comprising: a first down-conversion module coupled to a satellite antenna of the satellite television system for converting a vertically polarized signal received by the satellite antenna into a first IF (Intermediate Frequency) signal; a second down-conversion module coupled to the satellite antenna for converting a horizontally polarized signal received by the satellite antenna into a second IF signal; and a third down-conversion module comprising a first input terminal coupled between the satellite antenna and a first down-converter of the first down-conversion module and a second input terminal coupled between the satellite antenna and a second down-converter of the second down-conversion module for draining out part of the vertically polarized signal and the horizontally polarized signal to combine and convert into a legacy electrical signal.