| 摘要 |
An apparatus for providing an output of at least one of electromagnetic waves and sound waves comprises a power supply, a support structure, a controller, and a plurality of transmitters arranged in a linear array on the support structure and in electrical contact with the controller. Each transmitter is controllable individually and independently from other transmitters. To provide a colored lighting effect, the apparatus can comprise a first source of light of a first color, a second source of light of a second color, different from the first color and a diffuser for diffusing the light from the first and second sources so that the diffused light from the diffuser is perceived to have a different color, shade or hue. Uses of the apparatus are described, for applications such as entertainment, safety, directional and speed control, such as in providing a linear sound and/or lighting effect in which the output is perceived as emanating from a substantially continuous sound and/or light source rather than from a plurality of individual sources.
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