Power supply device, power cable, and reception device

A reception device comprising:

• a mainframe, which includes a connector to be connected to a power supply device, configured to receive desired broadcast waves using a built-in tuner;
• and
• said power supply device, which is connected to said mainframe via said connector, configured to supply the power of said mainframe to said mainframe;
• wherein said power supply device includes
• a power supply unit configured to output the power of the mainframe, and
• a power transmission cable configured to transmit the power to be output from said power supply unit to the mainframe via a connector disposed on one end thereof;
• and wherein said power transmission cable includes a plurality of transmission cables configured to transmit the power of said mainframe, connected to the mainframe via the power supply terminal of said connector;
• and wherein, with said plurality of transmission cables, a mainframe side high-frequency cutoff portion is disposed between said power supply terminal corresponding to each thereof;
• and wherein, with said power transmission cable, a power supply unit side high-frequency cutoff portion configured to restrict the length of a portion serving as an antenna is disposed on said power supply unit side at a predetermined length from said connector;
• and wherein at least one of said transmission cables is connected to a tuner of said mainframe via said connector.

A power cable comprising:

• a power transmission cable configured to transmit power between a mainframe and an external device;
• a mainframe side connector, which is disposed on one end side of said power transmission cable, configured to connect said power transmission cable to said mainframe;
• and
• an external device side connector, which is disposed on the other end side of said power transmission cable, configured to connect said power transmission cable to said external device;
• wherein said power transmission cable includes a plurality of transmission cables, which are connected to the mainframe via the power supply terminal of said mainframe side connector, configured to transmit the power of said mainframe;
• and wherein, with said plurality of transmission cables, a mainframe side high-frequency cutoff portion is disposed between said power supply terminal corresponding to each thereof;
• and wherein, with said power transmission cable, an external device side high-frequency cutoff portion configured to restrict the length of a portion serving as an antenna is disposed on said external device side at a predetermined length from said mainframe side connector;
• and wherein at least one of said transmission cables is connected to the antenna input end of a built-in tuner of said mainframe via said mainframe side connector.

A reception device comprising:

• a power cable configured to supply power;
• and
• a built-in tuner configured to receive broadcast waves;
• wherein said power cable includes a power transmission cable including a plurality of transmission cables configured to transmit said power;
• and wherein at least one of said transmission cables included in said power transmission cable is separated into a first portion and a second portion at a partway relay portion in a high-frequency manner;
• and wherein, with at least one of said transmission cables included in said power transmission cable,
• the side opposite to said relay portion side of said first portion, and the side opposite to said relay portion side of said second portion are insulated from other portions in a high-frequency manner, and
• at least one of said relay portion side of said first portion, and said relay portion side of said second portion is connected to said tuner via a coaxial cable or parallel cable.

A reception device comprising:

• a power cable configured to supply power;
• and
• a built-in tuner configured to receive broadcast waves;
• wherein said power cable includes a power transmission cable including
• a plurality of core wire cables configured to transmit said power, and
• a covered wire configured to cover said plurality of core wire cables;
• and wherein said covered wire is separated into a first portion and a second portion at a partway relay portion of said power transmission cable;
• and wherein, with said covered wire,
• the side opposite to said relay portion side of said first portion, and the side opposite to said relay portion side of said second portion are formed as an open end,
• at least one of said relay portion side of said first portion, and said relay portion side of said second portion is connected to said tuner via a coaxial cable or parallel cable.

A reception device comprising:

• a power cable configured to supply power;
• and
• a built-in tuner configured to receive broadcast waves;
• wherein said power cable includes a first cable and a second cable which are configured to transmit said power;
• and wherein at least one of said first cable and said second cable is separated into a first portion and a second portion at a partway relay portion in a high-frequency manner;
• and wherein, with at least one of said first cable and said second cable, at least one of said relay portion side of said first portion, and said relay portion side is connected to said tuner via a coaxial cable or parallel cable.

A power cable comprising:

• a power transmission cable including a plurality of transmission cables configured to transmit power to a mainframe;
• wherein at least one of said plurality of transmission cables included in said power transmission cable is separated into a first portion and a second portion at a partway relay portion in a high-frequency manner;
• and wherein, with at least one of said plurality of transmission cables included in said power transmission cable,
• the side opposite to said relay portion side of said first portion, and the side opposite to said relay portion side of said second portion are insulated from other portions in a high-frequency manner, and
• at least one of said relay portion side of said first portion, and said relay portion side of said second portion is connected to a tuner of said mainframe via a coaxial cable or parallel cable.

A power cable comprising:

• a power transmission cable including
• a plurality of core wire cables configured to transmit said power, and
• a covered wire configured to cover said plurality of core wire cables;
• wherein said covered wire is separated into a first portion and a second portion at a partway relay portion of said power transmission cable;
• and wherein, with said covered wire,
• the side opposite to said relay portion side of said first portion, and the side opposite to said relay portion side of said second portion are formed as an open end, and
• at least one of said relay portion side of said first portion, and said relay portion side of said second portion is connected to a tuner of said mainframe via a coaxial cable or parallel cable.

A power supply device comprising:

• a power supply unit configured to generate the power of a mainframe;
• and
• a power transmission cable including a plurality of transmission cables configured to transmit the power of said power supply unit to said mainframe;
• wherein at least one of said plurality of cables included in said power transmission cable is separated into a first portion and a second portion at a partway relay portion in a high-frequency manner;
• and wherein, at least one of said plurality of cables included in said power transmission cable,
• the side opposite to said relay portion side of said first portion, and the side opposite to said relay portion side of said second portion are insulated from other portions in a high-frequency manner, and
• at least one of said relay portion side of said first portion, and said relay portion side of said second portion is connected to a tuner of said mainframe via a coaxial cable or parallel cable.

A power supply device comprising:

• a power supply unit configured to generate the power of a mainframe;
• and
• a power transmission cable including
• a plurality of core wire cables configured to transmit the power source of said power supply unit to said mainframe, and
• a covered wire configured to cover said plurality of core wire cables;
• wherein said covered wire is separated into a first portion and a second portion at a partway relay portion of said power transmission cable;
• and wherein, with said covered wire,
• the side opposite to said relay portion side of said first portion, and the side opposite to said relay portion side of said second portion are formed as an open end, and
• at least one of said relay portion side of said first portion, and said relay portion side of said second portion is connected to a tuner of said mainframe via a coaxial cable or parallel cable.

A power supply device comprising:

• a power supply unit configured to generate the power of a mainframe;
• and
• first and second cables configured to transmit the power of said power supply unit to said mainframe;
• wherein at least one of said first cable and said second cable is separated into a first portion and a second portion at a partway relay portion in a high-frequency manner;
• and wherein, with at least one of said first cable and said second cable, at least one of said relay portion side of said first portion, and said relay portion side of said second portion is connected to a tuner of said mainframe via a coaxial cable or parallel cable.

A power cable comprising:

• a power transmission cable including a plurality of transmission cables configured to transmit power to a framework;
• and
• a board portion disposed so as to fix said plurality of transmission cables at an intermediate portion of said power transmission cable;
• wherein, with said board portion,
• a high-frequency cutoff portion is disposed in said transmission cables, and
• one of said transmission cables cut off at said high-frequency cutoff portion in a high-frequency manner is connected to a tuner of said mainframe via a coaxial cable or parallel cable so as to form a dipole antenna.

A power supply device comprising:

• a power supply unit configured to generate the power of a mainframe;
• a power transmission cable including a plurality of transmission cables configured to transmit the power of said power supply unit to said mainframe;
• and
• a board portion disposed so as to fix said plurality of transmission cables at an intermediate portion of said power transmission cable;
• wherein, with said board portion,
• a high-frequency cutoff portion is disposed in said transmission cable, and
• one of said transmission cables cut off by said high-frequency cutoff portion in a high-frequency manner is connected to a tuner of said mainframe via a coaxial cable or parallel cable so as to form a dipole antenna.

A reception device comprising:

• a power cable configured to supply power;
• and
• a built-in tuner configured to receive broadcast waves;
• wherein said power cable includes
• a power transmission cable including a plurality of transmission cables configured to transmit the power of said power supply unit to said mainframe, and
• a board portion disposed so as to fix said plurality of transmission cables at an intermediated portion of said power transmission cable;
• wherein, with said board portion,
• a high-frequency cutoff portion is disposed in said transmission cable, and
• one of said transmission cables cut off by said high-frequency cutoff portion in a high-frequency manner is connected to a tuner of said mainframe via a coaxial cable or parallel cable so as to form a dipole antenna.