Direction adjustment manner of satellite broadcast reception antenna, device null for direction adjustment of satellite broadcast receiver and satellite broadcast reception

摘要

PROBLEM TO BE SOLVED: To inform a person adjusting the direction of an antenna 70 about the strength of a received signal of the antenna 70 without the need for connecting or adding a special device to the antenna 70 and a connection cable 74. ;SOLUTION: The satellite broadcast receiver 20 consists of a reception strength information output means 22 that outputs reception strength information denoting the strength of a received signal of the antenna 70, a modulation means 30 that multiplexes the reception strength information with a carrier, and a superimposing means 40 that superimposes the carrier with which the reception strength information is multiplexed onto the connection cable 74.;COPYRIGHT: (C)2001,JPO