| 摘要 |
A directional antenna is provided that transmits an information signal to a light source (300) having a beam directing reflective surface (312). In an aspect, the information signal is impressed across a light filament (322) and the reflective surface (312) directs the electromagnetic radio waves in a predetermined direction. The radiated information signal may be used to detect an object or communicate with a receiver. The light source (300) can be attached to a fixed structure or to mobile vehicle. In the case of a mobile vehicle, the antenna is fully concealed and can operate with an unmodified, factory installed vehicle headlight (100). In an aspect, material costs, manufacturing costs and assembly costs are reduced as compared to presently available antennas. |
