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US 2003/0156069 A1Published application
Antenna system
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsJunzo Ooe, Kansei Mizutani, Kazuo Sato, Shin-Ichiro Matsuzawa, Kunitoshi Nishikawa
Life of this patent
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Abstract
The invention is an antenna system that transmits and receives image signals audio signal and/or data signals. The antenna system has at least one antenna element and one or more power supply elements. A power supply switching device switches the power supply element or elements to select at least one antenna element and a power supply cable supplies power to the power supply switching device.
Claims15
An antenna system that transmits and receives at least one of an image signal, audio signal, and data signal, the antenna system comprising:
- at least one antenna element,
- a plurality of power supply elements for supplying power to the at least one antenna element,
- a power supply switching device that includes at least one switch and switches the power supply elements using the at least one switch, so as to select at least one antenna element from the at least one antenna element, and
- a power supply cable connected to the power supply switching device.
1 more element
Dependencies are inferred from the claim text.