| 摘要 |
A speaker device has a first plate and a second plate disposed behind the first plate. A speaker membrane is disposed between the plates electrically coupled to a driver which supplies an electric signal causing the membrane to vibrate and create sound waves. The first and second plate have a first and second pattern, respectively, of regularly spaced and similarly sized openings. The openings of the first and second patterns may be similarly sized and spaced or the openings of the first pattern may be larger and spaced further apart than the openings of the second pattern. A support structure joins the first and second plates together in a fixed, spaced relationship and at a relative positional orientation, or at a relative rotational orientation. The orientation of the plates develops a repeating pattern of recurring geometric images.
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