Antenna and printed-circuit board using waveguide structure

An antenna, comprising:

• a first conductive plane;
• a second conductive plane disposed in parallel with the first conductive plane;
• a power-supply unit applying a high frequency signal between the first conductive plane and the second conductive plane;
• and
• at least one shunt which is aligned in the second conductive plane and which comprises a transmission line including an open end aligned in a plane above or below the first conductive plane and a conductive via electrically connecting the transmission line to the second conductive plane.

An array antenna, including:

• a plurality of antennas which are aligned in a same plane,
• wherein each antenna comprises:
• a first conductive plane;
• a second conductive plane disposed in parallel with the first conductive plane;
• a power-supply unit applying a high frequency signal between the first conductive plane and the second conductive plane;
• and
• at least one shunt which is aligned in the second conductive plane and which comprises a transmission line including an open end aligned in a plane above or below the first conductive plane and a conductive via electrically connecting the transmission line to the second conductive plane.

A printed-circuit board, comprising:

• a first conductive plane;
• a second conductive plane which is smaller than the first conductive plane and which is disposed in parallel with the first conductive plane;
• a power-supply unit applying a high frequency signal between the first conductive plane and the second conductive plane;
• and
• at least one shunt which is aligned in the second conductive plane and which comprises a transmission line including an open end aligned in a plane below or above the first conductive plane and a conductive via electrically connecting the transmission line to the second conductive plane.

An electronic device, including:

• an antenna which comprises:
• a first conductive plane;
• a second conductive plane disposed in parallel with the first conductive plane;
• a power-supply unit applying a high frequency signal between the first conductive plane and the second conductive plane;
• and
• at least one shunt which is aligned in the second conductive plane and which comprises a transmission line including an open end aligned in a plane above or below the first conductive plane and a conductive via electrically connecting the transmission line to the second conductive plane.

An electronic device, including:

• a printed-circuit board which comprises a first conductive plane;
• a second conductive plane which is smaller than the first conductive plane and which is disposed in parallel with the first conductive plane;
• a power-supply unit applying a high frequency signal between the first conductive plane and the second conductive plane;
• and
• at least one shunt which is aligned in the second conductive plane and which comprises a transmission line including an open end aligned in a plane below or above the first conductive plane and a conductive via electrically connecting the transmission line to the second conductive plane.