Patent ID: 7142808
Filing Date: 2006-11-28
Classification: H04H,Y02D

Abstract:
1. A satellite broadcast receiver apparatus comprising: a plurality of signal conversion units provided corresponding to a plurality of signals transmitted from a satellite, respectively, each signal conversion unit frequency-converting a corresponding signal for output, a signal terminal that can input/output an electrical signal, a signal select circuit provided between said plurality of signal conversion units and said signal terminal to selectively transmit a signal output from said plurality of signal conversion units to said signal terminal in accordance with a control signal applied to said signal terminal to select at least one of said plurality of signals, and a power supply control unit controlling voltage supply to said plurality of signal conversion units, wherein said power supply control unit supplies an operating voltage to at least one of said plurality of signal conversion units selected in accordance with information based on said control signal, and suppresses supply of said operating voltage to other signal conversion units.