| 摘要 |
<p>PURPOSE:To enable the advance wiring in an indoor side of television wiring by mixing the receiving output of antennas for BS and UHF/VHF to lead it in a house by one leasing wire. CONSTITUTION:Antennas L1 and L2 from antennas A1-A3 are led to the inside of a house through an antenna leading-in device E. The receiving output of the antennas A1 and A2 for VHF/UHF and antenna A3 for BS is mixed by the antenna leading-in device E to lead it in a house with one leading wire L3. Thus, television wiring is commonly made through the antenna leading-in device E irrespective of BS and UHF/VHF. According to the constitution, television wiring can be omitted, specially advance wiring can be made in an indoor side.</p> |
