| 摘要 |
A region in a metallic panel that facilitates the transmission of radio frequency signals. The metallic panel may be included in a window (10) such as the window of a vehicle or building. For example, the metallic panel may be used for heating or to reflect infrared radiation. An aperture (16) is formed in the metallic panel to enable radio frequency signals to be transmitted through the metallic panel. The design of the aperture may be selected to enable the transmission of the desired frequency band. In an embodiment in which the metallic panel is used to conduct electric current, the aperture may be oriented such that the current may flow between the openings (32, 2) of the aperture. Accordingly, there may be uniform heating across the metallic panel without blocking the transmission of radio frequency signals in the desired frequency band. |
